diff --git a/README.md b/README.md index f2bb8e1..7055c1d 100644 --- a/README.md +++ b/README.md @@ -14,11 +14,9 @@ This package can be used as a GitHub action or a standalone node.js module None. Prints out the validated YAML on success. Prints out errors on invalid YAML -The time we greeted you. - ### Example usage ``` -- uses: RoadieHQ/backstage-entity-validator@v0.2.5 +- uses: RoadieHQ/backstage-entity-validator@v0.2.6 with: path: 'catalog-info-1.yaml' ``` @@ -36,8 +34,6 @@ The time we greeted you. None. Prints out the validated YAML on success. Prints out errors on invalid YAML -The time we greeted you. - ### Example config ``` description: > @@ -45,7 +41,7 @@ description: > usage: version: 2.1 orbs: - entity-validator: "roadiehq/backstage-entity-validator@0.2.5" + entity-validator: "roadiehq/backstage-entity-validator@0.2.6" workflows: use-entity-validator: jobs: diff --git a/dist/index.js b/dist/index.js index cecf0b5..3db602b 100644 --- a/dist/index.js +++ b/dist/index.js @@ -47145,10 +47145,22 @@ const VALIDATORS = { user: userEntityV1alpha1Validator, } +function modifyPlaceholders(obj) { + for (let k in obj) { + if (typeof obj[k] === "object") { + if(obj[k].$text){ + obj[k] = "DUMMY TEXT" + return; + } + modifyPlaceholders(obj[k]) + } + } +} + exports.validate = async (filepath = './sample/catalog-info.yml') => { const validator = ajv.compile(annotationSchema) - const validateAnnotations = (entity) => { - console.log('Validating entity annotations') + const validateAnnotations = (entity, idx) => { + console.log(`Validating entity annotations for file ${filepath}, document ${idx}`) const result = validator(entity) if (result === true) { return true @@ -47165,25 +47177,29 @@ exports.validate = async (filepath = './sample/catalog-info.yml') => { } - console.log(`Validating Entity Schema for file ${filepath}\n`) try { const fileContents = fs.readFileSync(filepath, 'utf8') - const data = yaml.load(fileContents) + const data = yaml.loadAll(fileContents) + data.forEach(it => { + modifyPlaceholders(it) + }) const entityPolicies = EntityPolicies.allOf([ new DefaultNamespaceEntityPolicy(), new FieldFormatEntityPolicy(), new NoForeignRootFieldsEntityPolicy(), new SchemaValidEntityPolicy()] ) - const respo = await entityPolicies.enforce(data) - console.log('Running file through validators\n') + const responses = await Promise.all(data.map((it, idx) => { + console.log(`Validating Entity Schema policies for file ${filepath}, document ${idx}`) + return entityPolicies.enforce(it) + })) const validateEntityKind = async (entity) => { const results = {} for (const validator of Object.entries(VALIDATORS)) { const result = await validator[1].check(entity) results[validator[0]] = result if (result === true) { - console.log(`Validated entity kind '${validator[0]}' successfully.\n`) + console.log(`Validated entity kind '${validator[0]}' successfully.`) } } return results @@ -47192,11 +47208,12 @@ exports.validate = async (filepath = './sample/catalog-info.yml') => { const results = await Promise.all(entities.map(validateEntityKind)) return Object.values(results[0]).filter((r) => r === false).length > 0 } - const validKind = await validateEntities([data]) - const validAnnotations = validateAnnotations(data) + const validKind = await validateEntities(data) + const validAnnotations = data.map((it, idx) => validateAnnotations(it, idx)) if (validKind && validAnnotations) { - console.log('Entity Schema policy validated\n', yaml.dump(respo)) + console.log('Entity Schema policies validated\n') + responses.forEach(it => console.log(yaml.dump(it))) } } catch (e) { core.setFailed(`Action failed with error ${e}`) diff --git a/dist/index.js.map b/dist/index.js.map index 1099894..b7fe8f6 100644 --- a/dist/index.js.map +++ b/dist/index.js.map @@ -1 +1 @@ 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return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\n return new (P || (P = Promise))(function (resolve, reject) {\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\n step((generator = generator.apply(thisArg, _arguments || [])).next());\n });\n};\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\n result[\"default\"] = mod;\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst command_1 = require(\"./command\");\nconst file_command_1 = require(\"./file-command\");\nconst utils_1 = require(\"./utils\");\nconst os = __importStar(require(\"os\"));\nconst path = __importStar(require(\"path\"));\n/**\n * The code to exit an action\n */\nvar ExitCode;\n(function (ExitCode) {\n /**\n * A code indicating that the action was successful\n */\n ExitCode[ExitCode[\"Success\"] = 0] = \"Success\";\n /**\n * A code indicating that the action was a failure\n */\n ExitCode[ExitCode[\"Failure\"] = 1] = \"Failure\";\n})(ExitCode = exports.ExitCode || (exports.ExitCode = {}));\n//-----------------------------------------------------------------------\n// Variables\n//-----------------------------------------------------------------------\n/**\n * Sets env variable for this action and future actions in the job\n * @param name the name of the variable to set\n * @param val the value of the variable. Non-string values will be converted to a string via JSON.stringify\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction exportVariable(name, val) {\n const convertedVal = utils_1.toCommandValue(val);\n process.env[name] = convertedVal;\n const filePath = process.env['GITHUB_ENV'] || '';\n if (filePath) {\n const delimiter = '_GitHubActionsFileCommandDelimeter_';\n const commandValue = `${name}<<${delimiter}${os.EOL}${convertedVal}${os.EOL}${delimiter}`;\n file_command_1.issueCommand('ENV', commandValue);\n }\n else {\n command_1.issueCommand('set-env', { name }, convertedVal);\n }\n}\nexports.exportVariable = exportVariable;\n/**\n * Registers a secret which will get masked from logs\n * @param secret value of the secret\n */\nfunction setSecret(secret) {\n command_1.issueCommand('add-mask', {}, secret);\n}\nexports.setSecret = setSecret;\n/**\n * Prepends inputPath to the PATH (for this action and future actions)\n * @param inputPath\n */\nfunction addPath(inputPath) {\n const filePath = process.env['GITHUB_PATH'] || '';\n if (filePath) {\n file_command_1.issueCommand('PATH', inputPath);\n }\n else {\n command_1.issueCommand('add-path', {}, inputPath);\n }\n process.env['PATH'] = `${inputPath}${path.delimiter}${process.env['PATH']}`;\n}\nexports.addPath = addPath;\n/**\n * Gets the value of an input. The value is also trimmed.\n *\n * @param name name of the input to get\n * @param options optional. See InputOptions.\n * @returns string\n */\nfunction getInput(name, options) {\n const val = process.env[`INPUT_${name.replace(/ /g, '_').toUpperCase()}`] || '';\n if (options && options.required && !val) {\n throw new Error(`Input required and not supplied: ${name}`);\n }\n return val.trim();\n}\nexports.getInput = getInput;\n/**\n * Sets the value of an output.\n *\n * @param name name of the output to set\n * @param value value to store. Non-string values will be converted to a string via JSON.stringify\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction setOutput(name, value) {\n process.stdout.write(os.EOL);\n command_1.issueCommand('set-output', { name }, value);\n}\nexports.setOutput = setOutput;\n/**\n * Enables or disables the echoing of commands into stdout for the rest of the step.\n * Echoing is disabled by default if ACTIONS_STEP_DEBUG is not set.\n *\n */\nfunction setCommandEcho(enabled) {\n command_1.issue('echo', enabled ? 'on' : 'off');\n}\nexports.setCommandEcho = setCommandEcho;\n//-----------------------------------------------------------------------\n// Results\n//-----------------------------------------------------------------------\n/**\n * Sets the action status to failed.\n * When the action exits it will be with an exit code of 1\n * @param message add error issue message\n */\nfunction setFailed(message) {\n process.exitCode = ExitCode.Failure;\n error(message);\n}\nexports.setFailed = setFailed;\n//-----------------------------------------------------------------------\n// Logging Commands\n//-----------------------------------------------------------------------\n/**\n * Gets whether Actions Step Debug is on or not\n */\nfunction isDebug() {\n return process.env['RUNNER_DEBUG'] === '1';\n}\nexports.isDebug = isDebug;\n/**\n * Writes debug message to user log\n * @param message debug message\n */\nfunction debug(message) {\n command_1.issueCommand('debug', {}, message);\n}\nexports.debug = debug;\n/**\n * Adds an error issue\n * @param message error issue message. Errors will be converted to string via toString()\n */\nfunction error(message) {\n command_1.issue('error', message instanceof Error ? message.toString() : message);\n}\nexports.error = error;\n/**\n * Adds an warning issue\n * @param message warning issue message. Errors will be converted to string via toString()\n */\nfunction warning(message) {\n command_1.issue('warning', message instanceof Error ? message.toString() : message);\n}\nexports.warning = warning;\n/**\n * Writes info to log with console.log.\n * @param message info message\n */\nfunction info(message) {\n process.stdout.write(message + os.EOL);\n}\nexports.info = info;\n/**\n * Begin an output group.\n *\n * Output until the next `groupEnd` will be foldable in this group\n *\n * @param name The name of the output group\n */\nfunction startGroup(name) {\n command_1.issue('group', name);\n}\nexports.startGroup = startGroup;\n/**\n * End an output group.\n */\nfunction endGroup() {\n command_1.issue('endgroup');\n}\nexports.endGroup = endGroup;\n/**\n * Wrap an asynchronous function call in a group.\n *\n * Returns the same type as the function itself.\n *\n * @param name The name of the group\n * @param fn The function to wrap in the group\n */\nfunction group(name, fn) {\n return __awaiter(this, void 0, void 0, function* () {\n startGroup(name);\n let result;\n try {\n result = yield fn();\n }\n finally {\n endGroup();\n }\n return result;\n });\n}\nexports.group = group;\n//-----------------------------------------------------------------------\n// Wrapper action state\n//-----------------------------------------------------------------------\n/**\n * Saves state for current action, the state can only be retrieved by this action's post job execution.\n *\n * @param name name of the state to store\n * @param value value to store. Non-string values will be converted to a string via JSON.stringify\n */\n// eslint-disable-next-line @typescript-eslint/no-explicit-any\nfunction saveState(name, value) {\n command_1.issueCommand('save-state', { name }, value);\n}\nexports.saveState = saveState;\n/**\n * Gets the value of an state set by this action's main execution.\n *\n * @param name name of the state to get\n * @returns string\n */\nfunction getState(name) {\n return process.env[`STATE_${name}`] || '';\n}\nexports.getState = getState;\n//# sourceMappingURL=core.js.map","\"use strict\";\n// For internal use, subject to change.\nvar __importStar = (this && this.__importStar) || function (mod) {\n if (mod && mod.__esModule) return mod;\n var result = {};\n if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];\n result[\"default\"] = mod;\n return result;\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\n// We use any as a valid input type\n/* eslint-disable @typescript-eslint/no-explicit-any */\nconst fs = __importStar(require(\"fs\"));\nconst os = __importStar(require(\"os\"));\nconst utils_1 = require(\"./utils\");\nfunction issueCommand(command, message) {\n const filePath = process.env[`GITHUB_${command}`];\n if (!filePath) {\n throw new Error(`Unable to find environment variable for file command ${command}`);\n }\n if (!fs.existsSync(filePath)) {\n throw new Error(`Missing file at path: ${filePath}`);\n }\n fs.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os.EOL}`, {\n encoding: 'utf8'\n });\n}\nexports.issueCommand = issueCommand;\n//# sourceMappingURL=file-command.js.map","\"use strict\";\n// We use any as a valid input type\n/* eslint-disable @typescript-eslint/no-explicit-any */\nObject.defineProperty(exports, \"__esModule\", { value: true });\n/**\n * Sanitizes an input into a string so it can be passed into issueCommand safely\n * @param input input to sanitize into a string\n */\nfunction toCommandValue(input) {\n if (input === null || input === undefined) {\n return '';\n }\n else if (typeof input === 'string' || input instanceof String) {\n return input;\n }\n return JSON.stringify(input);\n}\nexports.toCommandValue = toCommandValue;\n//# sourceMappingURL=utils.js.map","function _defineProperties(target, props) {\n for (var i = 0; i < props.length; i++) {\n var descriptor = props[i];\n descriptor.enumerable = descriptor.enumerable || false;\n descriptor.configurable = true;\n if (\"value\" in descriptor) descriptor.writable = true;\n Object.defineProperty(target, descriptor.key, descriptor);\n }\n}\n\nfunction _createClass(Constructor, protoProps, staticProps) {\n if (protoProps) _defineProperties(Constructor.prototype, protoProps);\n if (staticProps) _defineProperties(Constructor, staticProps);\n return Constructor;\n}\n\nmodule.exports = _createClass;\nmodule.exports[\"default\"] = module.exports, module.exports.__esModule = true;","function _extends() {\n module.exports = _extends = Object.assign || function (target) {\n for (var i = 1; i < arguments.length; i++) {\n var source = arguments[i];\n\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n\n return target;\n };\n\n module.exports[\"default\"] = module.exports, module.exports.__esModule = true;\n return _extends.apply(this, arguments);\n}\n\nmodule.exports = _extends;\nmodule.exports[\"default\"] = module.exports, module.exports.__esModule = true;","function _interopRequireDefault(obj) {\n return obj && obj.__esModule ? obj : {\n \"default\": obj\n };\n}\n\nmodule.exports = _interopRequireDefault;\nmodule.exports[\"default\"] = module.exports, module.exports.__esModule = true;","var _typeof = require(\"@babel/runtime/helpers/typeof\")[\"default\"];\n\nfunction _getRequireWildcardCache(nodeInterop) {\n if (typeof WeakMap !== \"function\") return null;\n var cacheBabelInterop = new WeakMap();\n var cacheNodeInterop = new WeakMap();\n return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) {\n return nodeInterop ? cacheNodeInterop : cacheBabelInterop;\n })(nodeInterop);\n}\n\nfunction _interopRequireWildcard(obj, nodeInterop) {\n if (!nodeInterop && obj && obj.__esModule) {\n return obj;\n }\n\n if (obj === null || _typeof(obj) !== \"object\" && typeof obj !== \"function\") {\n return {\n \"default\": obj\n };\n }\n\n var cache = _getRequireWildcardCache(nodeInterop);\n\n if (cache && cache.has(obj)) {\n return cache.get(obj);\n }\n\n var newObj = {};\n var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;\n\n for (var key in obj) {\n if (key !== \"default\" && Object.prototype.hasOwnProperty.call(obj, key)) {\n var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;\n\n if (desc && (desc.get || desc.set)) {\n Object.defineProperty(newObj, key, desc);\n } else {\n newObj[key] = obj[key];\n }\n }\n }\n\n newObj[\"default\"] = obj;\n\n if (cache) {\n cache.set(obj, newObj);\n }\n\n return newObj;\n}\n\nmodule.exports = _interopRequireWildcard;\nmodule.exports[\"default\"] = module.exports, module.exports.__esModule = true;","function _objectWithoutPropertiesLoose(source, excluded) {\n if (source == null) return {};\n var target = {};\n var sourceKeys = Object.keys(source);\n var key, i;\n\n for (i = 0; i < sourceKeys.length; i++) {\n key = sourceKeys[i];\n if (excluded.indexOf(key) >= 0) continue;\n target[key] = source[key];\n }\n\n return target;\n}\n\nmodule.exports = _objectWithoutPropertiesLoose;\nmodule.exports[\"default\"] = module.exports, module.exports.__esModule = true;","function _taggedTemplateLiteralLoose(strings, raw) {\n if (!raw) {\n raw = strings.slice(0);\n }\n\n strings.raw = raw;\n return strings;\n}\n\nmodule.exports = _taggedTemplateLiteralLoose;\nmodule.exports[\"default\"] = module.exports, module.exports.__esModule = true;","function _typeof(obj) {\n \"@babel/helpers - typeof\";\n\n if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n module.exports = _typeof = function _typeof(obj) {\n return typeof obj;\n };\n\n module.exports[\"default\"] = module.exports, module.exports.__esModule = true;\n } else {\n module.exports = _typeof = function _typeof(obj) {\n return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n };\n\n module.exports[\"default\"] = module.exports, module.exports.__esModule = true;\n }\n\n return _typeof(obj);\n}\n\nmodule.exports = _typeof;\nmodule.exports[\"default\"] = module.exports, module.exports.__esModule = true;","'use strict';\n\nObject.defineProperty(exports, '__esModule', { value: true });\n\nvar lodash = require('lodash');\nvar Ajv = require('ajv');\nvar uuid = require('uuid');\nvar yup = require('yup');\n\nfunction _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }\n\nvar lodash__default = /*#__PURE__*/_interopDefaultLegacy(lodash);\nvar Ajv__default = /*#__PURE__*/_interopDefaultLegacy(Ajv);\n\nconst ENTITY_DEFAULT_NAMESPACE = \"default\";\nconst ENTITY_META_GENERATED_FIELDS = [\n \"uid\",\n \"etag\",\n \"generation\"\n];\nconst VIEW_URL_ANNOTATION = \"backstage.io/view-url\";\nconst EDIT_URL_ANNOTATION = \"backstage.io/edit-url\";\n\nclass DefaultNamespaceEntityPolicy {\n constructor(namespace = ENTITY_DEFAULT_NAMESPACE) {\n this.namespace = namespace;\n }\n async enforce(entity) {\n if (entity.metadata.namespace) {\n return entity;\n }\n return lodash__default['default'].merge({metadata: {namespace: this.namespace}}, entity);\n }\n}\n\nclass CommonValidatorFunctions {\n static isValidPrefixAndOrSuffix(value, separator, isValidPrefix, isValidSuffix) {\n if (typeof value !== \"string\") {\n return false;\n }\n const parts = value.split(separator);\n if (parts.length === 1) {\n return isValidSuffix(parts[0]);\n } else if (parts.length === 2) {\n return isValidPrefix(parts[0]) && isValidSuffix(parts[1]);\n }\n return false;\n }\n static isJsonSafe(value) {\n try {\n return lodash__default['default'].isEqual(value, JSON.parse(JSON.stringify(value)));\n } catch {\n return false;\n }\n }\n static isValidDnsSubdomain(value) {\n return typeof value === \"string\" && value.length >= 1 && value.length <= 253 && value.split(\".\").every(CommonValidatorFunctions.isValidDnsLabel);\n }\n static isValidDnsLabel(value) {\n return typeof value === \"string\" && value.length >= 1 && value.length <= 63 && /^[a-z0-9]+(\\-[a-z0-9]+)*$/.test(value);\n }\n static isValidUrl(value) {\n if (typeof value !== \"string\") {\n return false;\n }\n try {\n new URL(value);\n return true;\n } catch {\n return false;\n }\n }\n static isValidString(value) {\n var _a;\n return typeof value === \"string\" && ((_a = value == null ? void 0 : value.trim()) == null ? void 0 : _a.length) >= 1;\n }\n}\n\nclass KubernetesValidatorFunctions {\n static isValidApiVersion(value) {\n return CommonValidatorFunctions.isValidPrefixAndOrSuffix(value, \"/\", CommonValidatorFunctions.isValidDnsSubdomain, (n) => n.length >= 1 && n.length <= 63 && /^[a-z0-9A-Z]+$/.test(n));\n }\n static isValidKind(value) {\n return typeof value === \"string\" && value.length >= 1 && value.length <= 63 && /^[a-zA-Z][a-z0-9A-Z]*$/.test(value);\n }\n static isValidObjectName(value) {\n return typeof value === \"string\" && value.length >= 1 && value.length <= 63 && /^[a-z0-9A-Z]+([-_.][a-z0-9A-Z]+)*$/.test(value);\n }\n static isValidNamespace(value) {\n return CommonValidatorFunctions.isValidDnsLabel(value);\n }\n static isValidLabelKey(value) {\n return CommonValidatorFunctions.isValidPrefixAndOrSuffix(value, \"/\", CommonValidatorFunctions.isValidDnsSubdomain, KubernetesValidatorFunctions.isValidObjectName);\n }\n static isValidLabelValue(value) {\n return value === \"\" || KubernetesValidatorFunctions.isValidObjectName(value);\n }\n static isValidAnnotationKey(value) {\n return CommonValidatorFunctions.isValidPrefixAndOrSuffix(value, \"/\", CommonValidatorFunctions.isValidDnsSubdomain, KubernetesValidatorFunctions.isValidObjectName);\n }\n static isValidAnnotationValue(value) {\n return typeof value === \"string\";\n }\n}\n\nconst defaultValidators = {\n isValidApiVersion: KubernetesValidatorFunctions.isValidApiVersion,\n isValidKind: KubernetesValidatorFunctions.isValidKind,\n isValidEntityName: KubernetesValidatorFunctions.isValidObjectName,\n isValidNamespace: KubernetesValidatorFunctions.isValidNamespace,\n isValidLabelKey: KubernetesValidatorFunctions.isValidLabelKey,\n isValidLabelValue: KubernetesValidatorFunctions.isValidLabelValue,\n isValidAnnotationKey: KubernetesValidatorFunctions.isValidAnnotationKey,\n isValidAnnotationValue: KubernetesValidatorFunctions.isValidAnnotationValue,\n isValidTag: CommonValidatorFunctions.isValidDnsLabel\n};\nfunction makeValidator(overrides = {}) {\n return {\n ...defaultValidators,\n ...overrides\n };\n}\n\nclass FieldFormatEntityPolicy {\n constructor(validators = makeValidator()) {\n this.validators = validators;\n }\n async enforce(entity) {\n var _a, _b, _c, _d, _e, _f, _g;\n function require(field, value, validator) {\n if (value === void 0 || value === null) {\n throw new Error(`${field} must have a value`);\n }\n let isValid;\n try {\n isValid = validator(value);\n } catch (e) {\n throw new Error(`${field} could not be validated, ${e}`);\n }\n if (!isValid) {\n let expectation;\n switch (validator.name) {\n case \"isValidLabelValue\":\n case \"isValidObjectName\":\n expectation = \"a string that is sequences of [a-zA-Z0-9] separated by any of [-_.], at most 63 characters in total\";\n break;\n case \"isValidLabelKey\":\n case \"isValidApiVersion\":\n case \"isValidAnnotationKey\":\n expectation = \"a valid prefix and/or suffix\";\n break;\n case \"isValidNamespace\":\n case \"isValidDnsLabel\":\n expectation = \"a string that is sequences of [a-z0-9] separated by [-], at most 63 characters in total\";\n break;\n case \"isValidAnnotationValue\":\n expectation = \"a string\";\n break;\n case \"isValidKind\":\n expectation = \"a string that is a sequence of [a-zA-Z][a-z0-9A-Z], at most 63 characters in total\";\n break;\n case \"isValidUrl\":\n expectation = \"a string that is a valid url\";\n break;\n case \"isValidString\":\n expectation = \"a non empty string\";\n break;\n default:\n expectation = void 0;\n break;\n }\n const message = expectation ? ` expected ${expectation} but found \"${value}\".` : \"\";\n throw new Error(`\"${field}\" is not valid;${message} To learn more about catalog file format, visit: https://github.com/backstage/backstage/blob/master/docs/architecture-decisions/adr002-default-catalog-file-format.md`);\n }\n }\n function optional(field, value, validator) {\n return value === void 0 || require(field, value, validator);\n }\n require(\"apiVersion\", entity.apiVersion, this.validators.isValidApiVersion);\n require(\"kind\", entity.kind, this.validators.isValidKind);\n require(\"metadata.name\", entity.metadata.name, this.validators.isValidEntityName);\n optional(\"metadata.namespace\", entity.metadata.namespace, this.validators.isValidNamespace);\n for (const [k, v] of Object.entries((_a = entity.metadata.labels) != null ? _a : [])) {\n require(`labels.${k}`, k, this.validators.isValidLabelKey);\n require(`labels.${k}`, v, this.validators.isValidLabelValue);\n }\n for (const [k, v] of Object.entries((_b = entity.metadata.annotations) != null ? _b : [])) {\n require(`annotations.${k}`, k, this.validators.isValidAnnotationKey);\n require(`annotations.${k}`, v, this.validators.isValidAnnotationValue);\n }\n const tags = (_c = entity.metadata.tags) != null ? _c : [];\n for (let i = 0; i < tags.length; ++i) {\n require(`tags.${i}`, tags[i], this.validators.isValidTag);\n }\n const links = (_d = entity.metadata.links) != null ? _d : [];\n for (let i = 0; i < links.length; ++i) {\n require(`links.${i}.url`, (_e = links[i]) == null ? void 0 : _e.url, CommonValidatorFunctions.isValidUrl);\n optional(`links.${i}.title`, (_f = links[i]) == null ? void 0 : _f.title, CommonValidatorFunctions.isValidString);\n optional(`links.${i}.icon`, (_g = links[i]) == null ? void 0 : _g.icon, KubernetesValidatorFunctions.isValidObjectName);\n }\n return entity;\n }\n}\n\nconst defaultKnownFields = [\"apiVersion\", \"kind\", \"metadata\", \"spec\"];\nclass NoForeignRootFieldsEntityPolicy {\n constructor(knownFields = defaultKnownFields) {\n this.knownFields = knownFields;\n }\n async enforce(entity) {\n for (const field of Object.keys(entity)) {\n if (!this.knownFields.includes(field)) {\n throw new Error(`Unknown field ${field}`);\n }\n }\n return entity;\n }\n}\n\nvar $schema = \"http://json-schema.org/draft-07/schema\";\nvar $id = \"Entity\";\nvar description = \"The format envelope that's common to all versions/kinds of entity.\";\nvar examples = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"Component\",\n\t\tmetadata: {\n\t\t\tname: \"LoremService\",\n\t\t\tdescription: \"Creates Lorems like a pro.\",\n\t\t\tlabels: {\n\t\t\t\tproduct_name: \"Random value Generator\"\n\t\t\t},\n\t\t\tannotations: {\n\t\t\t\tdocs: \"https://github.com/..../tree/develop/doc\"\n\t\t\t}\n\t\t},\n\t\tspec: {\n\t\t\ttype: \"service\",\n\t\t\tlifecycle: \"production\",\n\t\t\towner: \"tools\"\n\t\t}\n\t}\n];\nvar type = \"object\";\nvar required = [\n\t\"apiVersion\",\n\t\"kind\",\n\t\"metadata\"\n];\nvar additionalProperties = false;\nvar properties = {\n\tapiVersion: {\n\t\ttype: \"string\",\n\t\tdescription: \"The version of specification format for this particular entity that this is written against.\",\n\t\tminLength: 1,\n\t\texamples: [\n\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\"my-company.net/v1\",\n\t\t\t\"1.0\"\n\t\t]\n\t},\n\tkind: {\n\t\ttype: \"string\",\n\t\tdescription: \"The high level entity type being described.\",\n\t\tminLength: 1,\n\t\texamples: [\n\t\t\t\"API\",\n\t\t\t\"Component\",\n\t\t\t\"Domain\",\n\t\t\t\"Group\",\n\t\t\t\"Location\",\n\t\t\t\"Resource\",\n\t\t\t\"System\",\n\t\t\t\"Template\",\n\t\t\t\"User\"\n\t\t]\n\t},\n\tmetadata: {\n\t\t$ref: \"EntityMeta\"\n\t},\n\tspec: {\n\t\ttype: \"object\",\n\t\tdescription: \"The specification data describing the entity itself.\"\n\t},\n\trelations: {\n\t\ttype: \"array\",\n\t\tdescription: \"The relations that this entity has with other entities.\",\n\t\titems: {\n\t\t\t$ref: \"common#relation\"\n\t\t}\n\t}\n};\nvar entitySchema = {\n\t$schema: $schema,\n\t$id: $id,\n\tdescription: description,\n\texamples: examples,\n\ttype: type,\n\trequired: required,\n\tadditionalProperties: additionalProperties,\n\tproperties: properties\n};\n\nvar $schema$1 = \"http://json-schema.org/draft-07/schema\";\nvar $id$1 = \"EntityMeta\";\nvar description$1 = \"Metadata fields common to all versions/kinds of entity.\";\nvar examples$1 = [\n\t{\n\t\tuid: \"e01199ab-08cc-44c2-8e19-5c29ded82521\",\n\t\tetag: \"lsndfkjsndfkjnsdfkjnsd==\",\n\t\tgeneration: 13,\n\t\tname: \"my-component-yay\",\n\t\tnamespace: \"the-namespace\",\n\t\tlabels: {\n\t\t\t\"backstage.io/custom\": \"ValueStuff\"\n\t\t},\n\t\tannotations: {\n\t\t\t\"example.com/bindings\": \"are-secret\"\n\t\t},\n\t\ttags: [\n\t\t\t\"java\",\n\t\t\t\"data\"\n\t\t]\n\t}\n];\nvar type$1 = \"object\";\nvar required$1 = [\n\t\"name\"\n];\nvar additionalProperties$1 = true;\nvar properties$1 = {\n\tuid: {\n\t\ttype: \"string\",\n\t\tdescription: \"A globally unique ID for the entity. This field can not be set by the user at creation time, and the server will reject an attempt to do so. The field will be populated in read operations. The field can (optionally) be specified when performing update or delete operations, but the server is free to reject requests that do so in such a way that it breaks semantics.\",\n\t\texamples: [\n\t\t\t\"e01199ab-08cc-44c2-8e19-5c29ded82521\"\n\t\t],\n\t\tminLength: 1\n\t},\n\tetag: {\n\t\ttype: \"string\",\n\t\tdescription: \"An opaque string that changes for each update operation to any part of the entity, including metadata. This field can not be set by the user at creation time, and the server will reject an attempt to do so. The field will be populated in read operations. The field can (optionally) be specified when performing update or delete operations, and the server will then reject the operation if it does not match the current stored value.\",\n\t\texamples: [\n\t\t\t\"lsndfkjsndfkjnsdfkjnsd==\"\n\t\t],\n\t\tminLength: 1\n\t},\n\tgeneration: {\n\t\ttype: \"integer\",\n\t\tdescription: \"A positive nonzero number that indicates the current generation of data for this entity; the value is incremented each time the spec changes. This field can not be set by the user at creation time, and the server will reject an attempt to do so. The field will be populated in read operations.\",\n\t\texamples: [\n\t\t\t1\n\t\t],\n\t\tminimum: 1\n\t},\n\tname: {\n\t\ttype: \"string\",\n\t\tdescription: \"The name of the entity. Must be unique within the catalog at any given point in time, for any given namespace + kind pair.\",\n\t\texamples: [\n\t\t\t\"metadata-proxy\"\n\t\t],\n\t\tminLength: 1\n\t},\n\tnamespace: {\n\t\ttype: \"string\",\n\t\tdescription: \"The namespace that the entity belongs to.\",\n\t\t\"default\": \"default\",\n\t\texamples: [\n\t\t\t\"default\",\n\t\t\t\"admin\"\n\t\t],\n\t\tminLength: 1\n\t},\n\tdescription: {\n\t\ttype: \"string\",\n\t\tdescription: \"A short (typically relatively few words, on one line) description of the entity.\"\n\t},\n\tlabels: {\n\t\ttype: \"object\",\n\t\tdescription: \"Key/value pairs of identifying information attached to the entity.\",\n\t\tadditionalProperties: true,\n\t\tpatternProperties: {\n\t\t\t\"^.+$\": {\n\t\t\t\ttype: \"string\"\n\t\t\t}\n\t\t}\n\t},\n\tannotations: {\n\t\ttype: \"object\",\n\t\tdescription: \"Key/value pairs of non-identifying auxiliary information attached to the entity.\",\n\t\tadditionalProperties: true,\n\t\tpatternProperties: {\n\t\t\t\"^.+$\": {\n\t\t\t\ttype: \"string\"\n\t\t\t}\n\t\t}\n\t},\n\ttags: {\n\t\ttype: \"array\",\n\t\tdescription: \"A list of single-valued strings, to for example classify catalog entities in various ways.\",\n\t\titems: {\n\t\t\ttype: \"string\",\n\t\t\tminLength: 1\n\t\t}\n\t},\n\tlinks: {\n\t\ttype: \"array\",\n\t\tdescription: \"A list of external hyperlinks related to the entity. Links can provide additional contextual information that may be located outside of Backstage itself. For example, an admin dashboard or external CMS page.\",\n\t\titems: {\n\t\t\ttype: \"object\",\n\t\t\trequired: [\n\t\t\t\t\"url\"\n\t\t\t],\n\t\t\tproperties: {\n\t\t\t\turl: {\n\t\t\t\t\ttype: \"string\",\n\t\t\t\t\tdescription: \"A url in a standard uri format.\",\n\t\t\t\t\texamples: [\n\t\t\t\t\t\t\"https://admin.example-org.com\"\n\t\t\t\t\t],\n\t\t\t\t\tminLength: 1\n\t\t\t\t},\n\t\t\t\ttitle: {\n\t\t\t\t\ttype: \"string\",\n\t\t\t\t\tdescription: \"A user friendly display name for the link.\",\n\t\t\t\t\texamples: [\n\t\t\t\t\t\t\"Admin Dashboard\"\n\t\t\t\t\t],\n\t\t\t\t\tminLength: 1\n\t\t\t\t},\n\t\t\t\ticon: {\n\t\t\t\t\ttype: \"string\",\n\t\t\t\t\tdescription: \"A key representing a visual icon to be displayed in the UI.\",\n\t\t\t\t\texamples: [\n\t\t\t\t\t\t\"dashboard\"\n\t\t\t\t\t],\n\t\t\t\t\tminLength: 1\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n};\nvar entityMetaSchema = {\n\t$schema: $schema$1,\n\t$id: $id$1,\n\tdescription: description$1,\n\texamples: examples$1,\n\ttype: type$1,\n\trequired: required$1,\n\tadditionalProperties: additionalProperties$1,\n\tproperties: properties$1\n};\n\nvar $schema$2 = \"http://json-schema.org/draft-07/schema\";\nvar $id$2 = \"common\";\nvar type$2 = \"object\";\nvar description$2 = \"Common definitions to import from other schemas\";\nvar definitions = {\n\treference: {\n\t\t$id: \"#reference\",\n\t\ttype: \"object\",\n\t\tdescription: \"A reference by name to another entity.\",\n\t\trequired: [\n\t\t\t\"kind\",\n\t\t\t\"namespace\",\n\t\t\t\"name\"\n\t\t],\n\t\tadditionalProperties: false,\n\t\tproperties: {\n\t\t\tkind: {\n\t\t\t\ttype: \"string\",\n\t\t\t\tdescription: \"The kind field of the entity.\"\n\t\t\t},\n\t\t\tnamespace: {\n\t\t\t\ttype: \"string\",\n\t\t\t\tdescription: \"The metadata.namespace field of the entity.\"\n\t\t\t},\n\t\t\tname: {\n\t\t\t\ttype: \"string\",\n\t\t\t\tdescription: \"The metadata.name field of the entity.\"\n\t\t\t}\n\t\t}\n\t},\n\trelation: {\n\t\t$id: \"#relation\",\n\t\ttype: \"object\",\n\t\tdescription: \"A directed relation from one entity to another.\",\n\t\trequired: [\n\t\t\t\"type\",\n\t\t\t\"source\",\n\t\t\t\"target\"\n\t\t],\n\t\tadditionalProperties: false,\n\t\tproperties: {\n\t\t\ttype: {\n\t\t\t\ttype: \"string\",\n\t\t\t\tminLength: 1,\n\t\t\t\tpattern: \"^\\\\w+$\",\n\t\t\t\tdescription: \"The type of relation.\"\n\t\t\t},\n\t\t\tsource: {\n\t\t\t\t$ref: \"#reference\"\n\t\t\t},\n\t\t\ttarget: {\n\t\t\t\t$ref: \"#reference\"\n\t\t\t}\n\t\t}\n\t}\n};\nvar commonSchema = {\n\t$schema: $schema$2,\n\t$id: $id$2,\n\ttype: type$2,\n\tdescription: description$2,\n\tdefinitions: definitions\n};\n\nclass SchemaValidEntityPolicy {\n async enforce(entity) {\n if (!this.validate) {\n const ajv = new Ajv__default['default']({allowUnionTypes: true});\n this.validate = ajv.addSchema([commonSchema, entityMetaSchema], void 0, void 0, true).compile(entitySchema);\n }\n const result = this.validate(entity);\n if (result === true) {\n return entity;\n }\n const [error] = this.validate.errors || [];\n if (!error) {\n throw new Error(`Malformed envelope, Unknown error`);\n }\n throw new Error(`Malformed envelope, ${error.dataPath || \"\"} ${error.message}`);\n }\n}\n\nfunction parseRefString(ref) {\n var _a, _b;\n const match = /^([^:/]+:)?([^:/]+\\/)?([^:/]+)$/.exec(ref.trim());\n if (!match) {\n throw new TypeError(`Entity reference \"${ref}\" was not on the form [:][/]`);\n }\n return {\n kind: (_a = match[1]) == null ? void 0 : _a.slice(0, -1),\n namespace: (_b = match[2]) == null ? void 0 : _b.slice(0, -1),\n name: match[3]\n };\n}\nfunction getEntityName(entity) {\n return {\n kind: entity.kind,\n namespace: entity.metadata.namespace || ENTITY_DEFAULT_NAMESPACE,\n name: entity.metadata.name\n };\n}\nfunction parseEntityName(ref, context = {}) {\n const {kind, namespace, name} = parseEntityRef(ref, {\n defaultNamespace: ENTITY_DEFAULT_NAMESPACE,\n ...context\n });\n if (!kind) {\n throw new Error(`Entity reference ${namespace}/${name} did not contain a kind`);\n }\n return {kind, namespace, name};\n}\nfunction parseEntityRef(ref, context = {}) {\n var _a, _b;\n if (!ref) {\n throw new Error(`Entity reference must not be empty`);\n }\n if (typeof ref === \"string\") {\n const parsed = parseRefString(ref);\n return {\n kind: (_a = parsed.kind) != null ? _a : context.defaultKind,\n namespace: (_b = parsed.namespace) != null ? _b : context.defaultNamespace,\n name: parsed.name\n };\n }\n const {kind, namespace, name} = ref;\n if (kind === \"\") {\n throw new Error(\"Entity reference kinds must not be empty\");\n } else if (namespace === \"\") {\n throw new Error(\"Entity reference namespaces must not be empty\");\n } else if (!name) {\n throw new Error(\"Entity references must contain a name\");\n }\n return {\n kind: kind != null ? kind : context.defaultKind,\n namespace: namespace != null ? namespace : context.defaultNamespace,\n name\n };\n}\nfunction serializeEntityRef(ref) {\n let kind;\n let namespace;\n let name;\n if (\"metadata\" in ref) {\n kind = ref.kind;\n namespace = ref.metadata.namespace;\n name = ref.metadata.name;\n } else {\n kind = ref.kind;\n namespace = ref.namespace;\n name = ref.name;\n }\n if ((kind == null ? void 0 : kind.includes(\":\")) || (kind == null ? void 0 : kind.includes(\"/\")) || (namespace == null ? void 0 : namespace.includes(\":\")) || (namespace == null ? void 0 : namespace.includes(\"/\")) || name.includes(\":\") || name.includes(\"/\")) {\n return {kind, namespace, name};\n }\n return `${kind ? `${kind}:` : \"\"}${namespace ? `${namespace}/` : \"\"}${name}`;\n}\nfunction stringifyEntityRef(ref) {\n var _a, _b;\n let kind;\n let namespace;\n let name;\n if (\"metadata\" in ref) {\n kind = ref.kind;\n namespace = (_a = ref.metadata.namespace) != null ? _a : ENTITY_DEFAULT_NAMESPACE;\n name = ref.metadata.name;\n } else {\n kind = ref.kind;\n namespace = (_b = ref.namespace) != null ? _b : ENTITY_DEFAULT_NAMESPACE;\n name = ref.name;\n }\n return `${kind.toLowerCase()}:${namespace.toLowerCase()}/${name.toLowerCase()}`;\n}\nfunction compareEntityToRef(entity, ref, context) {\n const entityKind = entity.kind;\n const entityNamespace = entity.metadata.namespace || ENTITY_DEFAULT_NAMESPACE;\n const entityName = entity.metadata.name;\n let refKind;\n let refNamespace;\n let refName;\n if (typeof ref === \"string\") {\n const parsed = parseRefString(ref);\n refKind = parsed.kind || (context == null ? void 0 : context.defaultKind);\n refNamespace = parsed.namespace || (context == null ? void 0 : context.defaultNamespace) || ENTITY_DEFAULT_NAMESPACE;\n refName = parsed.name;\n } else {\n refKind = ref.kind || (context == null ? void 0 : context.defaultKind);\n refNamespace = ref.namespace || (context == null ? void 0 : context.defaultNamespace) || ENTITY_DEFAULT_NAMESPACE;\n refName = ref.name;\n }\n if (!refKind || !refNamespace) {\n throw new Error(`Entity reference or context did not contain kind and namespace`);\n }\n return entityKind.toLowerCase() === refKind.toLowerCase() && entityNamespace.toLowerCase() === refNamespace.toLowerCase() && entityName.toLowerCase() === refName.toLowerCase();\n}\n\nfunction generateEntityUid() {\n return uuid.v4();\n}\nfunction generateEntityEtag() {\n return Buffer.from(uuid.v4(), \"utf8\").toString(\"base64\").replace(/[^\\w]/g, \"\");\n}\nfunction entityHasChanges(previous, next) {\n const e1 = lodash__default['default'].cloneDeep(previous);\n const e2 = lodash__default['default'].cloneDeep(next);\n if (!e1.metadata.labels) {\n e1.metadata.labels = {};\n }\n if (!e2.metadata.labels) {\n e2.metadata.labels = {};\n }\n if (!e1.metadata.annotations) {\n e1.metadata.annotations = {};\n }\n if (!e2.metadata.annotations) {\n e2.metadata.annotations = {};\n }\n if (!e1.metadata.tags) {\n e1.metadata.tags = [];\n }\n if (!e2.metadata.tags) {\n e2.metadata.tags = [];\n }\n delete e1.metadata.uid;\n delete e1.metadata.etag;\n delete e1.metadata.generation;\n delete e2.metadata.uid;\n delete e2.metadata.etag;\n delete e2.metadata.generation;\n delete e1.relations;\n delete e2.relations;\n return !lodash__default['default'].isEqual(e1, e2);\n}\nfunction generateUpdatedEntity(previous, next) {\n const {uid, etag, generation} = previous.metadata;\n if (!uid || !etag || !generation) {\n throw new Error(\"Previous entity must have uid, etag and generation\");\n }\n const result = lodash__default['default'].cloneDeep(next);\n const bumpEtag = entityHasChanges(previous, result);\n const bumpGeneration = !lodash__default['default'].isEqual(previous.spec, result.spec);\n result.metadata.uid = uid;\n result.metadata.etag = bumpEtag ? generateEntityEtag() : etag;\n result.metadata.generation = bumpGeneration ? generation + 1 : generation;\n return result;\n}\n\nclass AllEntityPolicies {\n constructor(policies) {\n this.policies = policies;\n }\n async enforce(entity) {\n let result = entity;\n for (const policy of this.policies) {\n const output = await policy.enforce(result);\n if (!output) {\n throw new Error(`Policy ${policy.constructor.name} did not return a result`);\n }\n result = output;\n }\n return result;\n }\n}\nclass AnyEntityPolicy {\n constructor(policies) {\n this.policies = policies;\n }\n async enforce(entity) {\n for (const policy of this.policies) {\n const output = await policy.enforce(entity);\n if (output) {\n return output;\n }\n }\n throw new Error(`The entity did not match any known policy`);\n }\n}\nconst EntityPolicies = {\n allOf(policies) {\n return new AllEntityPolicies(policies);\n },\n oneOf(policies) {\n return new AnyEntityPolicy(policies);\n }\n};\n\nfunction schemaValidator(kind, apiVersion, schema) {\n return {\n async check(envelope) {\n if (kind !== envelope.kind || !apiVersion.includes(envelope.apiVersion)) {\n return false;\n }\n await schema.validate(envelope, {strict: true});\n return true;\n }\n };\n}\nfunction ajvCompiledJsonSchemaValidator(kind, apiVersion, schema, extraSchemas) {\n const ajv = new Ajv__default['default']({allowUnionTypes: true});\n if (extraSchemas) {\n ajv.addSchema(extraSchemas, void 0, void 0, true);\n }\n const validate = ajv.compile(schema);\n return {\n async check(envelope) {\n if (kind !== envelope.kind || !apiVersion.includes(envelope.apiVersion)) {\n return false;\n }\n const result = validate(envelope);\n if (result === true) {\n return true;\n }\n const [error] = validate.errors || [];\n if (!error) {\n throw new TypeError(`Malformed ${kind}, Unknown error`);\n }\n throw new TypeError(`Malformed ${kind}, ${error.dataPath || \"\"} ${error.message}`);\n }\n };\n}\n\nvar $schema$3 = \"http://json-schema.org/draft-07/schema\";\nvar $id$3 = \"ApiV1alpha1\";\nvar description$3 = \"An API describes an interface that can be exposed by a component. The API can be defined in different formats, like OpenAPI, AsyncAPI, GraphQL, gRPC, or other formats.\";\nvar examples$2 = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"API\",\n\t\tmetadata: {\n\t\t\tname: \"artist-api\",\n\t\t\tdescription: \"Retrieve artist details\",\n\t\t\tlabels: {\n\t\t\t\tproduct_name: \"Random value Generator\"\n\t\t\t},\n\t\t\tannotations: {\n\t\t\t\tdocs: \"https://github.com/..../tree/develop/doc\"\n\t\t\t}\n\t\t},\n\t\tspec: {\n\t\t\ttype: \"openapi\",\n\t\t\tlifecycle: \"production\",\n\t\t\towner: \"artist-relations-team\",\n\t\t\tsystem: \"artist-engagement-portal\",\n\t\t\tdefinition: \"openapi: \\\"3.0.0\\\"\\ninfo:...\"\n\t\t}\n\t}\n];\nvar allOf = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"API\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"type\",\n\t\t\t\t\t\"lifecycle\",\n\t\t\t\t\t\"owner\",\n\t\t\t\t\t\"definition\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\ttype: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The type of the API definition.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"openapi\",\n\t\t\t\t\t\t\t\"asyncapi\",\n\t\t\t\t\t\t\t\"graphql\",\n\t\t\t\t\t\t\t\"grpc\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tlifecycle: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The lifecycle state of the API.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"experimental\",\n\t\t\t\t\t\t\t\"production\",\n\t\t\t\t\t\t\t\"deprecated\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\towner: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the owner of the API.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"artist-relations-team\",\n\t\t\t\t\t\t\t\"user:john.johnson\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tsystem: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the system that the API belongs to.\",\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tdefinition: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The definition of the API, based on the format defined by the type.\",\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema = {\n\t$schema: $schema$3,\n\t$id: $id$3,\n\tdescription: description$3,\n\texamples: examples$2,\n\tallOf: allOf\n};\n\nconst API_VERSION = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND = \"API\";\nconst apiEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND, API_VERSION, schema, [commonSchema, entityMetaSchema, entitySchema]);\n\nvar $schema$4 = \"http://json-schema.org/draft-07/schema\";\nvar $id$4 = \"ComponentV1alpha1\";\nvar description$4 = \"A Component describes a software component. It is typically intimately linked to the source code that constitutes the component, and should be what a developer may regard a \\\"unit of software\\\", usually with a distinct deployable or linkable artifact.\";\nvar examples$3 = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"Component\",\n\t\tmetadata: {\n\t\t\tname: \"LoremService\",\n\t\t\tdescription: \"Creates Lorems like a pro.\",\n\t\t\tlabels: {\n\t\t\t\tproduct_name: \"Random value Generator\"\n\t\t\t},\n\t\t\tannotations: {\n\t\t\t\tdocs: \"https://github.com/..../tree/develop/doc\"\n\t\t\t}\n\t\t},\n\t\tspec: {\n\t\t\ttype: \"service\",\n\t\t\tlifecycle: \"production\",\n\t\t\towner: \"tools\"\n\t\t}\n\t}\n];\nvar allOf$1 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"Component\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"type\",\n\t\t\t\t\t\"lifecycle\",\n\t\t\t\t\t\"owner\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\ttype: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The type of component.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"service\",\n\t\t\t\t\t\t\t\"website\",\n\t\t\t\t\t\t\t\"library\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tlifecycle: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The lifecycle state of the component.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"experimental\",\n\t\t\t\t\t\t\t\"production\",\n\t\t\t\t\t\t\t\"deprecated\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\towner: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the owner of the component.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"artist-relations-team\",\n\t\t\t\t\t\t\t\"user:john.johnson\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tsystem: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the system that the component belongs to.\",\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tsubcomponentOf: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to another component of which the component is a part.\",\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tprovidesApis: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"An array of entity references to the APIs that are provided by the component.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tconsumesApis: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"An array of entity references to the APIs that are consumed by the component.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tdependsOn: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"An array of references to other entities that the component depends on to function.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$1 = {\n\t$schema: $schema$4,\n\t$id: $id$4,\n\tdescription: description$4,\n\texamples: examples$3,\n\tallOf: allOf$1\n};\n\nconst API_VERSION$1 = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND$1 = \"Component\";\nconst componentEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND$1, API_VERSION$1, schema$1, [commonSchema, entityMetaSchema, entitySchema]);\n\nvar $schema$5 = \"http://json-schema.org/draft-07/schema\";\nvar $id$5 = \"DomainV1alpha1\";\nvar description$5 = \"A Domain groups a collection of systems that share terminology, domain models, business purpose, or documentation, i.e. form a bounded context.\";\nvar examples$4 = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"Domain\",\n\t\tmetadata: {\n\t\t\tname: \"artists\",\n\t\t\tdescription: \"Everything about artists\"\n\t\t},\n\t\tspec: {\n\t\t\towner: \"artist-relations-team\"\n\t\t}\n\t}\n];\nvar allOf$2 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"Domain\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"owner\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\towner: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the owner of the component.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"artist-relations-team\",\n\t\t\t\t\t\t\t\"user:john.johnson\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$2 = {\n\t$schema: $schema$5,\n\t$id: $id$5,\n\tdescription: description$5,\n\texamples: examples$4,\n\tallOf: allOf$2\n};\n\nconst API_VERSION$2 = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND$2 = \"Domain\";\nconst domainEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND$2, API_VERSION$2, schema$2, [commonSchema, entityMetaSchema, entitySchema]);\n\nvar $schema$6 = \"http://json-schema.org/draft-07/schema\";\nvar $id$6 = \"GroupV1alpha1\";\nvar description$6 = \"A group describes an organizational entity, such as for example a team, a business unit, or a loose collection of people in an interest group. Members of these groups are modeled in the catalog as kind User.\";\nvar examples$5 = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"Group\",\n\t\tmetadata: {\n\t\t\tname: \"infrastructure\",\n\t\t\tdescription: \"The infra business unit\"\n\t\t},\n\t\tspec: {\n\t\t\ttype: \"business-unit\",\n\t\t\tprofile: {\n\t\t\t\tdisplayName: \"Infrastructure\",\n\t\t\t\temail: \"infrastructure@example.com\",\n\t\t\t\tpicture: \"https://example.com/groups/bu-infrastructure.jpeg\"\n\t\t\t},\n\t\t\tparent: \"ops\",\n\t\t\tchildren: [\n\t\t\t\t\"backstage\",\n\t\t\t\t\"other\"\n\t\t\t]\n\t\t}\n\t}\n];\nvar allOf$3 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"Group\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"type\",\n\t\t\t\t\t\"children\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\ttype: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The type of group. There is currently no enforced set of values for this field, so it is left up to the adopting organization to choose a nomenclature that matches their org hierarchy.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"team\",\n\t\t\t\t\t\t\t\"business-unit\",\n\t\t\t\t\t\t\t\"product-area\",\n\t\t\t\t\t\t\t\"root\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tprofile: {\n\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\tdescription: \"Optional profile information about the group, mainly for display purposes. All fields of this structure are also optional. The email would be a group email of some form, that the group may wish to be used for contacting them. The picture is expected to be a URL pointing to an image that's representative of the group, and that a browser could fetch and render on a group page or similar.\",\n\t\t\t\t\t\tproperties: {\n\t\t\t\t\t\t\tdisplayName: {\n\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\tdescription: \"A simple display name to present to users.\",\n\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\"Infrastructure\"\n\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\temail: {\n\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\tdescription: \"An email where this entity can be reached.\",\n\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\"infrastructure@example.com\"\n\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\tpicture: {\n\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\tdescription: \"The URL of an image that represents this entity.\",\n\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\"https://example.com/groups/bu-infrastructure.jpeg\"\n\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tparent: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The immediate parent group in the hierarchy, if any. Not all groups must have a parent; the catalog supports multi-root hierarchies. Groups may however not have more than one parent. This field is an entity reference.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"ops\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tchildren: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"The immediate child groups of this group in the hierarchy (whose parent field points to this group). The list must be present, but may be empty if there are no child groups. The items are not guaranteed to be ordered in any particular way. The entries of this array are entity references.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\"backstage\",\n\t\t\t\t\t\t\t\t\"other\"\n\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tmembers: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"The users that are members of this group. The entries of this array are entity references.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\"jdoe\"\n\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$3 = {\n\t$schema: $schema$6,\n\t$id: $id$6,\n\tdescription: description$6,\n\texamples: examples$5,\n\tallOf: allOf$3\n};\n\nconst API_VERSION$3 = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND$3 = \"Group\";\nconst groupEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND$3, API_VERSION$3, schema$3, [commonSchema, entityMetaSchema, entitySchema]);\n\nvar $schema$7 = \"http://json-schema.org/draft-07/schema\";\nvar $id$7 = \"LocationV1alpha1\";\nvar description$7 = \"A location is a marker that references other places to look for catalog data.\";\nvar examples$6 = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"Location\",\n\t\tmetadata: {\n\t\t\tname: \"org-data\"\n\t\t},\n\t\tspec: {\n\t\t\ttype: \"url\",\n\t\t\ttargets: [\n\t\t\t\t\"http://github.com/myorg/myproject/org-data-dump/catalog-info-staff.yaml\",\n\t\t\t\t\"http://github.com/myorg/myproject/org-data-dump/catalog-info-consultants.yaml\"\n\t\t\t]\n\t\t}\n\t}\n];\nvar allOf$4 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"Location\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\ttype: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The single location type, that's common to the targets specified in the spec. If it is left out, it is inherited from the location type that originally read the entity data.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"url\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\ttarget: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"A single target as a string. Can be either an absolute path/URL (depending on the type), or a relative path such as ./details/catalog-info.yaml which is resolved relative to the location of this Location entity itself.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"./details/catalog-info.yaml\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\ttargets: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"A list of targets as strings. They can all be either absolute paths/URLs (depending on the type), or relative paths such as ./details/catalog-info.yaml which are resolved relative to the location of this Location entity itself.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\"./details/catalog-info.yaml\",\n\t\t\t\t\t\t\t\t\"http://github.com/myorg/myproject/org-data-dump/catalog-info-staff.yaml\"\n\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$4 = {\n\t$schema: $schema$7,\n\t$id: $id$7,\n\tdescription: description$7,\n\texamples: examples$6,\n\tallOf: allOf$4\n};\n\nconst API_VERSION$4 = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND$4 = \"Location\";\nconst locationEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND$4, API_VERSION$4, schema$4, [commonSchema, entityMetaSchema, entitySchema]);\n\nconst RELATION_OWNED_BY = \"ownedBy\";\nconst RELATION_OWNER_OF = \"ownerOf\";\nconst RELATION_CONSUMES_API = \"consumesApi\";\nconst RELATION_API_CONSUMED_BY = \"apiConsumedBy\";\nconst RELATION_PROVIDES_API = \"providesApi\";\nconst RELATION_API_PROVIDED_BY = \"apiProvidedBy\";\nconst RELATION_DEPENDS_ON = \"dependsOn\";\nconst RELATION_DEPENDENCY_OF = \"dependencyOf\";\nconst RELATION_PARENT_OF = \"parentOf\";\nconst RELATION_CHILD_OF = \"childOf\";\nconst RELATION_MEMBER_OF = \"memberOf\";\nconst RELATION_HAS_MEMBER = \"hasMember\";\nconst RELATION_PART_OF = \"partOf\";\nconst RELATION_HAS_PART = \"hasPart\";\n\nvar $schema$8 = \"http://json-schema.org/draft-07/schema\";\nvar $id$8 = \"ResourceV1alpha1\";\nvar description$8 = \"A resource describes the infrastructure a system needs to operate, like BigTable databases, Pub/Sub topics, S3 buckets or CDNs. Modelling them together with components and systems allows to visualize resource footprint, and create tooling around them.\";\nvar examples$7 = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"Resource\",\n\t\tmetadata: {\n\t\t\tname: \"artists-db\",\n\t\t\tdescription: \"Stores artist details\"\n\t\t},\n\t\tspec: {\n\t\t\ttype: \"database\",\n\t\t\towner: \"artist-relations-team\",\n\t\t\tsystem: \"artist-engagement-portal\"\n\t\t}\n\t}\n];\nvar allOf$5 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"Resource\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"type\",\n\t\t\t\t\t\"owner\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\ttype: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The type of resource.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"database\",\n\t\t\t\t\t\t\t\"s3-bucket\",\n\t\t\t\t\t\t\t\"cluster\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\towner: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the owner of the resource.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"artist-relations-team\",\n\t\t\t\t\t\t\t\"user:john.johnson\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tdependsOn: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"An array of references to other entities that the resource depends on to function.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tsystem: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the system that the resource belongs to.\",\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$5 = {\n\t$schema: $schema$8,\n\t$id: $id$8,\n\tdescription: description$8,\n\texamples: examples$7,\n\tallOf: allOf$5\n};\n\nconst API_VERSION$5 = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND$5 = \"Resource\";\nconst resourceEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND$5, API_VERSION$5, schema$5, [commonSchema, entityMetaSchema, entitySchema]);\n\nvar $schema$9 = \"http://json-schema.org/draft-07/schema\";\nvar $id$9 = \"SystemV1alpha1\";\nvar description$9 = \"A system is a collection of resources and components. The system may expose or consume one or several APIs. It is viewed as abstraction level that provides potential consumers insights into exposed features without needing a too detailed view into the details of all components. This also gives the owning team the possibility to decide about published artifacts and APIs.\";\nvar examples$8 = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"System\",\n\t\tmetadata: {\n\t\t\tname: \"artist-engagement-portal\",\n\t\t\tdescription: \"Handy tools to keep artists in the loop\"\n\t\t},\n\t\tspec: {\n\t\t\towner: \"artist-relations-team\",\n\t\t\tdomain: \"artists\"\n\t\t}\n\t}\n];\nvar allOf$6 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"System\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"owner\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\towner: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the owner of the component.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"artist-relations-team\",\n\t\t\t\t\t\t\t\"user:john.johnson\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tdomain: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"An entity reference to the domain that the system belongs to.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"artists\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$6 = {\n\t$schema: $schema$9,\n\t$id: $id$9,\n\tdescription: description$9,\n\texamples: examples$8,\n\tallOf: allOf$6\n};\n\nconst API_VERSION$6 = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND$6 = \"System\";\nconst systemEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND$6, API_VERSION$6, schema$6, [commonSchema, entityMetaSchema, entitySchema]);\n\nvar $schema$a = \"http://json-schema.org/draft-07/schema\";\nvar $id$a = \"TemplateV1alpha1\";\nvar description$a = \"A Template describes a skeleton for use with the Scaffolder. It is used for describing what templating library is supported, and also for documenting the variables that the template requires using JSON Forms Schema.\";\nvar examples$9 = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"Template\",\n\t\tmetadata: {\n\t\t\tname: \"react-ssr-template\",\n\t\t\ttitle: \"React SSR Template\",\n\t\t\tdescription: \"Next.js application skeleton for creating isomorphic web applications.\",\n\t\t\ttags: [\n\t\t\t\t\"recommended\",\n\t\t\t\t\"react\"\n\t\t\t]\n\t\t},\n\t\tspec: {\n\t\t\towner: \"artist-relations-team\",\n\t\t\ttemplater: \"cookiecutter\",\n\t\t\ttype: \"website\",\n\t\t\tpath: \".\",\n\t\t\tschema: {\n\t\t\t\trequired: [\n\t\t\t\t\t\"component-id\",\n\t\t\t\t\t\"description\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\tcomponent_id: {\n\t\t\t\t\t\ttitle: \"Name\",\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"Unique name of the component\"\n\t\t\t\t\t},\n\t\t\t\t\tdescription: {\n\t\t\t\t\t\ttitle: \"Description\",\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"Description of the component\"\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar allOf$7 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"Template\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tmetadata: {\n\t\t\t\ttype: \"object\",\n\t\t\t\tproperties: {\n\t\t\t\t\ttitle: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The nice display name for the template. This field is required as is used to reference the template to the user instead of the metadata.name field.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"React SSR Template\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"type\",\n\t\t\t\t\t\"templater\",\n\t\t\t\t\t\"schema\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\ttype: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The type of component created by the template. The software catalog accepts any type value, but an organization should take great care to establish a proper taxonomy for these. Tools including Backstage itself may read this field and behave differently depending on its value. For example, a website type component may present tooling in the Backstage interface that is specific to just websites.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"service\",\n\t\t\t\t\t\t\t\"website\",\n\t\t\t\t\t\t\t\"library\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\ttemplater: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The templating library that is supported by the template skeleton.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"cookiecutter\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tpath: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The string location where the templater should be run if it is not on the same level as the template.yaml definition.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"./cookiecutter/skeleton\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tschema: {\n\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\tdescription: \"The JSONSchema describing the inputs for the template.\"\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$7 = {\n\t$schema: $schema$a,\n\t$id: $id$a,\n\tdescription: description$a,\n\texamples: examples$9,\n\tallOf: allOf$7\n};\n\nconst API_VERSION$7 = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND$7 = \"Template\";\nconst templateEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND$7, API_VERSION$7, schema$7, [commonSchema, entityMetaSchema, entitySchema]);\n\nvar $schema$b = \"http://json-schema.org/draft-07/schema\";\nvar $id$b = \"TemplateV1beta1\";\nvar description$b = \"A Template describes a scaffolding task for use with the Scaffolder. It describes the required parameters as well as a series of steps that will be taken to execute the scaffolding task.\";\nvar examples$a = [\n\t{\n\t\tapiVersion: \"backstage.io/v1beta1\",\n\t\tkind: \"Template\",\n\t\tmetadata: {\n\t\t\tname: \"react-ssr-template\",\n\t\t\ttitle: \"React SSR Template\",\n\t\t\tdescription: \"Next.js application skeleton for creating isomorphic web applications.\",\n\t\t\ttags: [\n\t\t\t\t\"recommended\",\n\t\t\t\t\"react\"\n\t\t\t]\n\t\t},\n\t\tspec: {\n\t\t\towner: \"artist-relations-team\",\n\t\t\ttype: \"website\",\n\t\t\tparameters: {\n\t\t\t\trequired: [\n\t\t\t\t\t\"name\",\n\t\t\t\t\t\"description\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\tname: {\n\t\t\t\t\t\ttitle: \"Name\",\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"Unique name of the component\"\n\t\t\t\t\t},\n\t\t\t\t\tdescription: {\n\t\t\t\t\t\ttitle: \"Description\",\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"Description of the component\"\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t},\n\t\t\tsteps: [\n\t\t\t\t{\n\t\t\t\t\tid: \"fetch\",\n\t\t\t\t\tname: \"Fetch\",\n\t\t\t\t\taction: \"fetch:plain\",\n\t\t\t\t\tparameters: {\n\t\t\t\t\t\turl: \"./template\"\n\t\t\t\t\t}\n\t\t\t\t},\n\t\t\t\t{\n\t\t\t\t\tid: \"publish\",\n\t\t\t\t\tname: \"Publish to GitHub\",\n\t\t\t\t\taction: \"publish:github\",\n\t\t\t\t\tparameters: {\n\t\t\t\t\t\trepoUrl: \"{{ parameters.repoUrl }}\"\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t],\n\t\t\toutput: {\n\t\t\t\tcatalogInfoUrl: \"{{ steps.publish.output.catalogInfoUrl }}\"\n\t\t\t}\n\t\t}\n\t}\n];\nvar allOf$8 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1beta2\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"Template\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tmetadata: {\n\t\t\t\ttype: \"object\",\n\t\t\t\tproperties: {\n\t\t\t\t\ttitle: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The nice display name for the template.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"React SSR Template\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"type\",\n\t\t\t\t\t\"steps\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\ttype: {\n\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\tdescription: \"The type of component created by the template. The software catalog accepts any type value, but an organization should take great care to establish a proper taxonomy for these. Tools including Backstage itself may read this field and behave differently depending on its value. For example, a website type component may present tooling in the Backstage interface that is specific to just websites.\",\n\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\"service\",\n\t\t\t\t\t\t\t\"website\",\n\t\t\t\t\t\t\t\"library\"\n\t\t\t\t\t\t],\n\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t},\n\t\t\t\t\tparameters: {\n\t\t\t\t\t\toneOf: [\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\t\t\tdescription: \"The JSONSchema describing the inputs for the template.\"\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t{\n\t\t\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\t\t\tdescription: \"A list of separate forms to collect parameters.\",\n\t\t\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\t\t\t\tdescription: \"The JSONSchema describing the inputs for the template.\"\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t]\n\t\t\t\t\t},\n\t\t\t\t\tsteps: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"A list of steps to execute.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\t\tdescription: \"A description of the step to execute.\",\n\t\t\t\t\t\t\trequired: [\n\t\t\t\t\t\t\t\t\"action\"\n\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\tproperties: {\n\t\t\t\t\t\t\t\tid: {\n\t\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\t\tdescription: \"The ID of the step, which can be used to refer to its outputs.\"\n\t\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\tname: {\n\t\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\t\tdescription: \"The name of the step, which will be displayed in the UI during the scaffolding process.\"\n\t\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\taction: {\n\t\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\t\tdescription: \"The name of the action to execute.\"\n\t\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\tparameters: {\n\t\t\t\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\t\t\t\tdescription: \"A templated object describing the inputs to the action.\"\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\toutput: {\n\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\tdescription: \"A templated object describing the outputs of the scaffolding task.\",\n\t\t\t\t\t\tproperties: {\n\t\t\t\t\t\t\tlinks: {\n\t\t\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\t\t\tdescription: \"A list of external hyperlinks, typically pointing to resources created or updated by the template\",\n\t\t\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\t\t\t\trequired: [\n\t\t\t\t\t\t\t\t\t\t\"url\"\n\t\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\t\tproperties: {\n\t\t\t\t\t\t\t\t\t\turl: {\n\t\t\t\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\t\t\t\tdescription: \"A url in a standard uri format.\",\n\t\t\t\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\t\t\t\"https://github.com/my-org/my-new-repo\"\n\t\t\t\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\t\t\ttitle: {\n\t\t\t\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\t\t\t\tdescription: \"A user friendly display name for the link.\",\n\t\t\t\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\t\t\t\"View new repo\"\n\t\t\t\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\t\t\ticon: {\n\t\t\t\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\t\t\t\tdescription: \"A key representing a visual icon to be displayed in the UI.\",\n\t\t\t\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\t\t\t\"dashboard\"\n\t\t\t\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t},\n\t\t\t\t\t\tadditionalProperties: {\n\t\t\t\t\t\t\ttype: \"string\"\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$8 = {\n\t$schema: $schema$b,\n\t$id: $id$b,\n\tdescription: description$b,\n\texamples: examples$a,\n\tallOf: allOf$8\n};\n\nconst API_VERSION$8 = [\"backstage.io/v1beta2\"];\nconst KIND$8 = \"Template\";\nconst templateEntityV1beta2Validator = ajvCompiledJsonSchemaValidator(KIND$8, API_VERSION$8, schema$8, [commonSchema, entityMetaSchema, entitySchema]);\n\nvar $schema$c = \"http://json-schema.org/draft-07/schema\";\nvar $id$c = \"UserV1alpha1\";\nvar description$c = \"A user describes a person, such as an employee, a contractor, or similar. Users belong to Group entities in the catalog. These catalog user entries are connected to the way that authentication within the Backstage ecosystem works. See the auth section of the docs for a discussion of these concepts.\";\nvar examples$b = [\n\t{\n\t\tapiVersion: \"backstage.io/v1alpha1\",\n\t\tkind: \"User\",\n\t\tmetadata: {\n\t\t\tname: \"jdoe\"\n\t\t},\n\t\tspec: {\n\t\t\tprofile: {\n\t\t\t\tdisplayName: \"Jenny Doe\",\n\t\t\t\temail: \"jenny-doe@example.com\",\n\t\t\t\tpicture: \"https://example.com/staff/jenny-with-party-hat.jpeg\"\n\t\t\t},\n\t\t\tmemberOf: [\n\t\t\t\t\"team-b\",\n\t\t\t\t\"employees\"\n\t\t\t]\n\t\t}\n\t}\n];\nvar allOf$9 = [\n\t{\n\t\t$ref: \"Entity\"\n\t},\n\t{\n\t\ttype: \"object\",\n\t\trequired: [\n\t\t\t\"spec\"\n\t\t],\n\t\tproperties: {\n\t\t\tapiVersion: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"backstage.io/v1alpha1\",\n\t\t\t\t\t\"backstage.io/v1beta1\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tkind: {\n\t\t\t\t\"enum\": [\n\t\t\t\t\t\"User\"\n\t\t\t\t]\n\t\t\t},\n\t\t\tspec: {\n\t\t\t\ttype: \"object\",\n\t\t\t\trequired: [\n\t\t\t\t\t\"memberOf\"\n\t\t\t\t],\n\t\t\t\tproperties: {\n\t\t\t\t\tprofile: {\n\t\t\t\t\t\ttype: \"object\",\n\t\t\t\t\t\tdescription: \"Optional profile information about the user, mainly for display purposes. All fields of this structure are also optional. The email would be a primary email of some form, that the user may wish to be used for contacting them. The picture is expected to be a URL pointing to an image that's representative of the user, and that a browser could fetch and render on a profile page or similar.\",\n\t\t\t\t\t\tproperties: {\n\t\t\t\t\t\t\tdisplayName: {\n\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\tdescription: \"A simple display name to present to users.\",\n\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\"Jenny Doe\"\n\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\temail: {\n\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\tdescription: \"An email where this user can be reached.\",\n\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\"jenny-doe@example.com\"\n\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\tpicture: {\n\t\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\t\tdescription: \"The URL of an image that represents this user.\",\n\t\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\t\"https://example.com/staff/jenny-with-party-hat.jpeg\"\n\t\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t},\n\t\t\t\t\tmemberOf: {\n\t\t\t\t\t\ttype: \"array\",\n\t\t\t\t\t\tdescription: \"The list of groups that the user is a direct member of (i.e., no transitive memberships are listed here). The list must be present, but may be empty if the user is not member of any groups. The items are not guaranteed to be ordered in any particular way. The entries of this array are entity references.\",\n\t\t\t\t\t\titems: {\n\t\t\t\t\t\t\ttype: \"string\",\n\t\t\t\t\t\t\texamples: [\n\t\t\t\t\t\t\t\t\"team-b\",\n\t\t\t\t\t\t\t\t\"employees\"\n\t\t\t\t\t\t\t],\n\t\t\t\t\t\t\tminLength: 1\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n];\nvar schema$9 = {\n\t$schema: $schema$c,\n\t$id: $id$c,\n\tdescription: description$c,\n\texamples: examples$b,\n\tallOf: allOf$9\n};\n\nconst API_VERSION$9 = [\"backstage.io/v1alpha1\", \"backstage.io/v1beta1\"];\nconst KIND$9 = \"User\";\nconst userEntityV1alpha1Validator = ajvCompiledJsonSchemaValidator(KIND$9, API_VERSION$9, schema$9, [commonSchema, entityMetaSchema, entitySchema]);\n\nconst LOCATION_ANNOTATION = \"backstage.io/managed-by-location\";\nconst ORIGIN_LOCATION_ANNOTATION = \"backstage.io/managed-by-origin-location\";\nconst SOURCE_LOCATION_ANNOTATION = \"backstage.io/source-location\";\n\nfunction parseLocationReference(ref) {\n if (typeof ref !== \"string\") {\n throw new TypeError(`Unable to parse location reference '${ref}', unexpected argument ${typeof ref}`);\n }\n const splitIndex = ref.indexOf(\":\");\n if (splitIndex < 0) {\n throw new TypeError(`Unable to parse location reference '${ref}', expected ':', e.g. 'url:https://host/path'`);\n }\n const type = ref.substr(0, splitIndex).trim();\n const target = ref.substr(splitIndex + 1).trim();\n if (!type || !target) {\n throw new TypeError(`Unable to parse location reference '${ref}', expected ':', e.g. 'url:https://host/path'`);\n }\n if (type === \"http\" || type === \"https\") {\n throw new TypeError(`Invalid location reference '${ref}', please prefix it with 'url:', e.g. 'url:${ref}'`);\n }\n return {type, target};\n}\nfunction stringifyLocationReference(ref) {\n const {type, target} = ref;\n if (!type) {\n throw new TypeError(`Unable to stringify location reference, empty type`);\n } else if (!target) {\n throw new TypeError(`Unable to stringify location reference, empty target`);\n }\n return `${type}:${target}`;\n}\nfunction getEntitySourceLocation(entity) {\n var _a, _b, _c, _d, _e;\n const locationRef = (_e = (_b = (_a = entity.metadata) == null ? void 0 : _a.annotations) == null ? void 0 : _b[SOURCE_LOCATION_ANNOTATION]) != null ? _e : (_d = (_c = entity.metadata) == null ? void 0 : _c.annotations) == null ? void 0 : _d[LOCATION_ANNOTATION];\n if (!locationRef) {\n throw new Error(`Entity '${stringifyEntityRef(entity)}' is missing location`);\n }\n return parseLocationReference(locationRef);\n}\n\nconst locationSpecSchema = yup.object({\n type: yup.string().required(),\n target: yup.string().required(),\n presence: yup.string()\n}).noUnknown().required();\nconst locationSchema = yup.object({\n id: yup.string().required(),\n type: yup.string().required(),\n target: yup.string().required()\n}).noUnknown().required();\nconst analyzeLocationSchema = yup.object({\n location: locationSpecSchema\n}).noUnknown().required();\n\nexports.CommonValidatorFunctions = CommonValidatorFunctions;\nexports.DefaultNamespaceEntityPolicy = DefaultNamespaceEntityPolicy;\nexports.EDIT_URL_ANNOTATION = EDIT_URL_ANNOTATION;\nexports.ENTITY_DEFAULT_NAMESPACE = ENTITY_DEFAULT_NAMESPACE;\nexports.ENTITY_META_GENERATED_FIELDS = ENTITY_META_GENERATED_FIELDS;\nexports.EntityPolicies = EntityPolicies;\nexports.FieldFormatEntityPolicy = FieldFormatEntityPolicy;\nexports.KubernetesValidatorFunctions = KubernetesValidatorFunctions;\nexports.LOCATION_ANNOTATION = LOCATION_ANNOTATION;\nexports.NoForeignRootFieldsEntityPolicy = NoForeignRootFieldsEntityPolicy;\nexports.ORIGIN_LOCATION_ANNOTATION = ORIGIN_LOCATION_ANNOTATION;\nexports.RELATION_API_CONSUMED_BY = RELATION_API_CONSUMED_BY;\nexports.RELATION_API_PROVIDED_BY = RELATION_API_PROVIDED_BY;\nexports.RELATION_CHILD_OF = RELATION_CHILD_OF;\nexports.RELATION_CONSUMES_API = RELATION_CONSUMES_API;\nexports.RELATION_DEPENDENCY_OF = RELATION_DEPENDENCY_OF;\nexports.RELATION_DEPENDS_ON = RELATION_DEPENDS_ON;\nexports.RELATION_HAS_MEMBER = RELATION_HAS_MEMBER;\nexports.RELATION_HAS_PART = RELATION_HAS_PART;\nexports.RELATION_MEMBER_OF = RELATION_MEMBER_OF;\nexports.RELATION_OWNED_BY = RELATION_OWNED_BY;\nexports.RELATION_OWNER_OF = RELATION_OWNER_OF;\nexports.RELATION_PARENT_OF = RELATION_PARENT_OF;\nexports.RELATION_PART_OF = RELATION_PART_OF;\nexports.RELATION_PROVIDES_API = RELATION_PROVIDES_API;\nexports.SOURCE_LOCATION_ANNOTATION = SOURCE_LOCATION_ANNOTATION;\nexports.SchemaValidEntityPolicy = SchemaValidEntityPolicy;\nexports.VIEW_URL_ANNOTATION = VIEW_URL_ANNOTATION;\nexports.analyzeLocationSchema = analyzeLocationSchema;\nexports.apiEntityV1alpha1Validator = apiEntityV1alpha1Validator;\nexports.compareEntityToRef = compareEntityToRef;\nexports.componentEntityV1alpha1Validator = componentEntityV1alpha1Validator;\nexports.domainEntityV1alpha1Validator = domainEntityV1alpha1Validator;\nexports.entityHasChanges = entityHasChanges;\nexports.generateEntityEtag = generateEntityEtag;\nexports.generateEntityUid = generateEntityUid;\nexports.generateUpdatedEntity = generateUpdatedEntity;\nexports.getEntityName = getEntityName;\nexports.getEntitySourceLocation = getEntitySourceLocation;\nexports.groupEntityV1alpha1Validator = groupEntityV1alpha1Validator;\nexports.locationEntityV1alpha1Validator = locationEntityV1alpha1Validator;\nexports.locationSchema = locationSchema;\nexports.locationSpecSchema = locationSpecSchema;\nexports.makeValidator = makeValidator;\nexports.parseEntityName = parseEntityName;\nexports.parseEntityRef = parseEntityRef;\nexports.parseLocationReference = parseLocationReference;\nexports.resourceEntityV1alpha1Validator = resourceEntityV1alpha1Validator;\nexports.schemaValidator = schemaValidator;\nexports.serializeEntityRef = serializeEntityRef;\nexports.stringifyEntityRef = stringifyEntityRef;\nexports.stringifyLocationReference = stringifyLocationReference;\nexports.systemEntityV1alpha1Validator = systemEntityV1alpha1Validator;\nexports.templateEntityV1alpha1Validator = templateEntityV1alpha1Validator;\nexports.templateEntityV1beta2Validator = templateEntityV1beta2Validator;\nexports.userEntityV1alpha1Validator = userEntityV1alpha1Validator;\n//# sourceMappingURL=index.cjs.js.map\n","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.CodeGen = exports.Name = exports.nil = exports.stringify = exports.str = exports._ = exports.KeywordCxt = void 0;\nconst context_1 = require(\"./compile/context\");\nexports.KeywordCxt = context_1.default;\nvar codegen_1 = require(\"./compile/codegen\");\nObject.defineProperty(exports, \"_\", { enumerable: true, get: function () { return codegen_1._; } });\nObject.defineProperty(exports, \"str\", { enumerable: true, get: function () { return codegen_1.str; } });\nObject.defineProperty(exports, \"stringify\", { enumerable: true, get: function () { return codegen_1.stringify; } });\nObject.defineProperty(exports, \"nil\", { enumerable: true, get: function () { return codegen_1.nil; } });\nObject.defineProperty(exports, \"Name\", { enumerable: true, get: function () { return codegen_1.Name; } });\nObject.defineProperty(exports, \"CodeGen\", { enumerable: true, get: function () { return codegen_1.CodeGen; } });\nconst core_1 = require(\"./core\");\nconst draft7_1 = require(\"./vocabularies/draft7\");\nconst draft7MetaSchema = require(\"./refs/json-schema-draft-07.json\");\nconst META_SUPPORT_DATA = [\"/properties\"];\nconst META_SCHEMA_ID = \"http://json-schema.org/draft-07/schema\";\nclass Ajv extends core_1.default {\n _addVocabularies() {\n super._addVocabularies();\n draft7_1.default.forEach((v) => this.addVocabulary(v));\n }\n _addDefaultMetaSchema() {\n super._addDefaultMetaSchema();\n if (!this.opts.meta)\n return;\n const metaSchema = this.opts.$data\n ? this.$dataMetaSchema(draft7MetaSchema, META_SUPPORT_DATA)\n : draft7MetaSchema;\n this.addMetaSchema(metaSchema, META_SCHEMA_ID, false);\n this.refs[\"http://json-schema.org/schema\"] = META_SCHEMA_ID;\n }\n defaultMeta() {\n return (this.opts.defaultMeta =\n super.defaultMeta() || (this.getSchema(META_SCHEMA_ID) ? META_SCHEMA_ID : undefined));\n }\n}\nexports.default = Ajv;\n//# sourceMappingURL=ajv.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getProperty = exports.safeStringify = exports.stringify = exports.strConcat = exports.addCodeArg = exports.str = exports._ = exports.nil = exports._Code = exports.Name = exports.IDENTIFIER = exports._CodeOrName = void 0;\nclass _CodeOrName {\n}\nexports._CodeOrName = _CodeOrName;\nexports.IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;\nclass Name extends _CodeOrName {\n constructor(s) {\n super();\n if (!exports.IDENTIFIER.test(s))\n throw new Error(\"CodeGen: name must be a valid identifier\");\n this.str = s;\n }\n toString() {\n return this.str;\n }\n emptyStr() {\n return false;\n }\n get names() {\n return { [this.str]: 1 };\n }\n}\nexports.Name = Name;\nclass _Code extends _CodeOrName {\n constructor(code) {\n super();\n this._items = typeof code === \"string\" ? [code] : code;\n }\n toString() {\n return this.str;\n }\n emptyStr() {\n if (this._items.length > 1)\n return false;\n const item = this._items[0];\n return item === \"\" || item === '\"\"';\n }\n get str() {\n var _a;\n return ((_a = this._str) !== null && _a !== void 0 ? _a : (this._str = this._items.reduce((s, c) => `${s}${c}`, \"\")));\n }\n get names() {\n var _a;\n return ((_a = this._names) !== null && _a !== void 0 ? _a : (this._names = this._items.reduce((names, c) => {\n if (c instanceof Name)\n names[c.str] = (names[c.str] || 0) + 1;\n return names;\n }, {})));\n }\n}\nexports._Code = _Code;\nexports.nil = new _Code(\"\");\nfunction _(strs, ...args) {\n const code = [strs[0]];\n let i = 0;\n while (i < args.length) {\n addCodeArg(code, args[i]);\n code.push(strs[++i]);\n }\n return new _Code(code);\n}\nexports._ = _;\nconst plus = new _Code(\"+\");\nfunction str(strs, ...args) {\n const expr = [safeStringify(strs[0])];\n let i = 0;\n while (i < args.length) {\n expr.push(plus);\n addCodeArg(expr, args[i]);\n expr.push(plus, safeStringify(strs[++i]));\n }\n optimize(expr);\n return new _Code(expr);\n}\nexports.str = str;\nfunction addCodeArg(code, arg) {\n if (arg instanceof _Code)\n code.push(...arg._items);\n else if (arg instanceof Name)\n code.push(arg);\n else\n code.push(interpolate(arg));\n}\nexports.addCodeArg = addCodeArg;\nfunction optimize(expr) {\n let i = 1;\n while (i < expr.length - 1) {\n if (expr[i] === plus) {\n const res = mergeExprItems(expr[i - 1], expr[i + 1]);\n if (res !== undefined) {\n expr.splice(i - 1, 3, res);\n continue;\n }\n expr[i++] = \"+\";\n }\n i++;\n }\n}\nfunction mergeExprItems(a, b) {\n if (b === '\"\"')\n return a;\n if (a === '\"\"')\n return b;\n if (typeof a == \"string\") {\n if (b instanceof Name || a[a.length - 1] !== '\"')\n return;\n if (typeof b != \"string\")\n return `${a.slice(0, -1)}${b}\"`;\n if (b[0] === '\"')\n return a.slice(0, -1) + b.slice(1);\n return;\n }\n if (typeof b == \"string\" && b[0] === '\"' && !(a instanceof Name))\n return `\"${a}${b.slice(1)}`;\n return;\n}\nfunction strConcat(c1, c2) {\n return c2.emptyStr() ? c1 : c1.emptyStr() ? c2 : str `${c1}${c2}`;\n}\nexports.strConcat = strConcat;\n// TODO do not allow arrays here\nfunction interpolate(x) {\n return typeof x == \"number\" || typeof x == \"boolean\" || x === null\n ? x\n : safeStringify(Array.isArray(x) ? x.join(\",\") : x);\n}\nfunction stringify(x) {\n return new _Code(safeStringify(x));\n}\nexports.stringify = stringify;\nfunction safeStringify(x) {\n return JSON.stringify(x)\n .replace(/\\u2028/g, \"\\\\u2028\")\n .replace(/\\u2029/g, \"\\\\u2029\");\n}\nexports.safeStringify = safeStringify;\nfunction getProperty(key) {\n return typeof key == \"string\" && exports.IDENTIFIER.test(key) ? new _Code(`.${key}`) : _ `[${key}]`;\n}\nexports.getProperty = getProperty;\n//# sourceMappingURL=code.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.or = exports.and = exports.not = exports.CodeGen = exports.operators = exports.varKinds = exports.ValueScopeName = exports.ValueScope = exports.Scope = exports.Name = exports.stringify = exports.getProperty = exports.nil = exports.strConcat = exports.str = exports._ = void 0;\nconst code_1 = require(\"./code\");\nconst scope_1 = require(\"./scope\");\nvar code_2 = require(\"./code\");\nObject.defineProperty(exports, \"_\", { enumerable: true, get: function () { return code_2._; } });\nObject.defineProperty(exports, \"str\", { enumerable: true, get: function () { return code_2.str; } });\nObject.defineProperty(exports, \"strConcat\", { enumerable: true, get: function () { return code_2.strConcat; } });\nObject.defineProperty(exports, \"nil\", { enumerable: true, get: function () { return code_2.nil; } });\nObject.defineProperty(exports, \"getProperty\", { enumerable: true, get: function () { return code_2.getProperty; } });\nObject.defineProperty(exports, \"stringify\", { enumerable: true, get: function () { return code_2.stringify; } });\nObject.defineProperty(exports, \"Name\", { enumerable: true, get: function () { return code_2.Name; } });\nvar scope_2 = require(\"./scope\");\nObject.defineProperty(exports, \"Scope\", { enumerable: true, get: function () { return scope_2.Scope; } });\nObject.defineProperty(exports, \"ValueScope\", { enumerable: true, get: function () { return scope_2.ValueScope; } });\nObject.defineProperty(exports, \"ValueScopeName\", { enumerable: true, get: function () { return scope_2.ValueScopeName; } });\nObject.defineProperty(exports, \"varKinds\", { enumerable: true, get: function () { return scope_2.varKinds; } });\nexports.operators = {\n GT: new code_1._Code(\">\"),\n GTE: new code_1._Code(\">=\"),\n LT: new code_1._Code(\"<\"),\n LTE: new code_1._Code(\"<=\"),\n EQ: new code_1._Code(\"===\"),\n NEQ: new code_1._Code(\"!==\"),\n NOT: new code_1._Code(\"!\"),\n OR: new code_1._Code(\"||\"),\n AND: new code_1._Code(\"&&\"),\n ADD: new code_1._Code(\"+\"),\n};\nclass Node {\n optimizeNodes() {\n return this;\n }\n optimizeNames(_names, _constants) {\n return this;\n }\n}\nclass Def extends Node {\n constructor(varKind, name, rhs) {\n super();\n this.varKind = varKind;\n this.name = name;\n this.rhs = rhs;\n }\n render({ es5, _n }) {\n const varKind = es5 ? scope_1.varKinds.var : this.varKind;\n const rhs = this.rhs === undefined ? \"\" : ` = ${this.rhs}`;\n return `${varKind} ${this.name}${rhs};` + _n;\n }\n optimizeNames(names, constants) {\n if (!names[this.name.str])\n return;\n if (this.rhs)\n this.rhs = optimizeExpr(this.rhs, names, constants);\n return this;\n }\n get names() {\n return this.rhs instanceof code_1._CodeOrName ? this.rhs.names : {};\n }\n}\nclass Assign extends Node {\n constructor(lhs, rhs, sideEffects) {\n super();\n this.lhs = lhs;\n this.rhs = rhs;\n this.sideEffects = sideEffects;\n }\n render({ _n }) {\n return `${this.lhs} = ${this.rhs};` + _n;\n }\n optimizeNames(names, constants) {\n if (this.lhs instanceof code_1.Name && !names[this.lhs.str] && !this.sideEffects)\n return;\n this.rhs = optimizeExpr(this.rhs, names, constants);\n return this;\n }\n get names() {\n const names = this.lhs instanceof code_1.Name ? {} : { ...this.lhs.names };\n return addExprNames(names, this.rhs);\n }\n}\nclass AssignOp extends Assign {\n constructor(lhs, op, rhs, sideEffects) {\n super(lhs, rhs, sideEffects);\n this.op = op;\n }\n render({ _n }) {\n return `${this.lhs} ${this.op}= ${this.rhs};` + _n;\n }\n}\nclass Label extends Node {\n constructor(label) {\n super();\n this.label = label;\n this.names = {};\n }\n render({ _n }) {\n return `${this.label}:` + _n;\n }\n}\nclass Break extends Node {\n constructor(label) {\n super();\n this.label = label;\n this.names = {};\n }\n render({ _n }) {\n const label = this.label ? ` ${this.label}` : \"\";\n return `break${label};` + _n;\n }\n}\nclass Throw extends Node {\n constructor(error) {\n super();\n this.error = error;\n }\n render({ _n }) {\n return `throw ${this.error};` + _n;\n }\n get names() {\n return this.error.names;\n }\n}\nclass AnyCode extends Node {\n constructor(code) {\n super();\n this.code = code;\n }\n render({ _n }) {\n return `${this.code};` + _n;\n }\n optimizeNodes() {\n return `${this.code}` ? this : undefined;\n }\n optimizeNames(names, constants) {\n this.code = optimizeExpr(this.code, names, constants);\n return this;\n }\n get names() {\n return this.code instanceof code_1._CodeOrName ? this.code.names : {};\n }\n}\nclass ParentNode extends Node {\n constructor(nodes = []) {\n super();\n this.nodes = nodes;\n }\n render(opts) {\n return this.nodes.reduce((code, n) => code + n.render(opts), \"\");\n }\n optimizeNodes() {\n const { nodes } = this;\n let i = nodes.length;\n while (i--) {\n const n = nodes[i].optimizeNodes();\n if (Array.isArray(n))\n nodes.splice(i, 1, ...n);\n else if (n)\n nodes[i] = n;\n else\n nodes.splice(i, 1);\n }\n return nodes.length > 0 ? this : undefined;\n }\n optimizeNames(names, constants) {\n const { nodes } = this;\n let i = nodes.length;\n while (i--) {\n // iterating backwards improves 1-pass optimization\n const n = nodes[i];\n if (n.optimizeNames(names, constants))\n continue;\n subtractNames(names, n.names);\n nodes.splice(i, 1);\n }\n return nodes.length > 0 ? this : undefined;\n }\n get names() {\n return this.nodes.reduce((names, n) => addNames(names, n.names), {});\n }\n}\nclass BlockNode extends ParentNode {\n render(opts) {\n return \"{\" + opts._n + super.render(opts) + \"}\" + opts._n;\n }\n}\nclass Root extends ParentNode {\n}\nclass Else extends BlockNode {\n}\nElse.kind = \"else\";\nclass If extends BlockNode {\n constructor(condition, nodes) {\n super(nodes);\n this.condition = condition;\n }\n render(opts) {\n let code = `if(${this.condition})` + super.render(opts);\n if (this.else)\n code += \"else \" + this.else.render(opts);\n return code;\n }\n optimizeNodes() {\n super.optimizeNodes();\n const cond = this.condition;\n if (cond === true)\n return this.nodes; // else is ignored here\n let e = this.else;\n if (e) {\n const ns = e.optimizeNodes();\n e = this.else = Array.isArray(ns) ? new Else(ns) : ns;\n }\n if (e) {\n if (cond === false)\n return e instanceof If ? e : e.nodes;\n if (this.nodes.length)\n return this;\n return new If(not(cond), e instanceof If ? [e] : e.nodes);\n }\n if (cond === false || !this.nodes.length)\n return undefined;\n return this;\n }\n optimizeNames(names, constants) {\n var _a;\n this.else = (_a = this.else) === null || _a === void 0 ? void 0 : _a.optimizeNames(names, constants);\n if (!(super.optimizeNames(names, constants) || this.else))\n return;\n this.condition = optimizeExpr(this.condition, names, constants);\n return this;\n }\n get names() {\n const names = super.names;\n addExprNames(names, this.condition);\n if (this.else)\n addNames(names, this.else.names);\n return names;\n }\n}\nIf.kind = \"if\";\nclass For extends BlockNode {\n}\nFor.kind = \"for\";\nclass ForLoop extends For {\n constructor(iteration) {\n super();\n this.iteration = iteration;\n }\n render(opts) {\n return `for(${this.iteration})` + super.render(opts);\n }\n optimizeNames(names, constants) {\n if (!super.optimizeNames(names, constants))\n return;\n this.iteration = optimizeExpr(this.iteration, names, constants);\n return this;\n }\n get names() {\n return addNames(super.names, this.iteration.names);\n }\n}\nclass ForRange extends For {\n constructor(varKind, name, from, to) {\n super();\n this.varKind = varKind;\n this.name = name;\n this.from = from;\n this.to = to;\n }\n render(opts) {\n const varKind = opts.es5 ? scope_1.varKinds.var : this.varKind;\n const { name, from, to } = this;\n return `for(${varKind} ${name}=${from}; ${name}<${to}; ${name}++)` + super.render(opts);\n }\n get names() {\n const names = addExprNames(super.names, this.from);\n return addExprNames(names, this.to);\n }\n}\nclass ForIter extends For {\n constructor(loop, varKind, name, iterable) {\n super();\n this.loop = loop;\n this.varKind = varKind;\n this.name = name;\n this.iterable = iterable;\n }\n render(opts) {\n return `for(${this.varKind} ${this.name} ${this.loop} ${this.iterable})` + super.render(opts);\n }\n optimizeNames(names, constants) {\n if (!super.optimizeNames(names, constants))\n return;\n this.iterable = optimizeExpr(this.iterable, names, constants);\n return this;\n }\n get names() {\n return addNames(super.names, this.iterable.names);\n }\n}\nclass Func extends BlockNode {\n constructor(name, args, async) {\n super();\n this.name = name;\n this.args = args;\n this.async = async;\n }\n render(opts) {\n const _async = this.async ? \"async \" : \"\";\n return `${_async}function ${this.name}(${this.args})` + super.render(opts);\n }\n}\nFunc.kind = \"func\";\nclass Return extends ParentNode {\n render(opts) {\n return \"return \" + super.render(opts);\n }\n}\nReturn.kind = \"return\";\nclass Try extends BlockNode {\n render(opts) {\n let code = \"try\" + super.render(opts);\n if (this.catch)\n code += this.catch.render(opts);\n if (this.finally)\n code += this.finally.render(opts);\n return code;\n }\n optimizeNodes() {\n var _a, _b;\n super.optimizeNodes();\n (_a = this.catch) === null || _a === void 0 ? void 0 : _a.optimizeNodes();\n (_b = this.finally) === null || _b === void 0 ? void 0 : _b.optimizeNodes();\n return this;\n }\n optimizeNames(names, constants) {\n var _a, _b;\n super.optimizeNames(names, constants);\n (_a = this.catch) === null || _a === void 0 ? void 0 : _a.optimizeNames(names, constants);\n (_b = this.finally) === null || _b === void 0 ? void 0 : _b.optimizeNames(names, constants);\n return this;\n }\n get names() {\n const names = super.names;\n if (this.catch)\n addNames(names, this.catch.names);\n if (this.finally)\n addNames(names, this.finally.names);\n return names;\n }\n}\nclass Catch extends BlockNode {\n constructor(error) {\n super();\n this.error = error;\n }\n render(opts) {\n return `catch(${this.error})` + super.render(opts);\n }\n}\nCatch.kind = \"catch\";\nclass Finally extends BlockNode {\n render(opts) {\n return \"finally\" + super.render(opts);\n }\n}\nFinally.kind = \"finally\";\nclass CodeGen {\n constructor(extScope, opts = {}) {\n this._values = {};\n this._blockStarts = [];\n this._constants = {};\n this.opts = { ...opts, _n: opts.lines ? \"\\n\" : \"\" };\n this._extScope = extScope;\n this._scope = new scope_1.Scope({ parent: extScope });\n this._nodes = [new Root()];\n }\n toString() {\n return this._root.render(this.opts);\n }\n // returns unique name in the internal scope\n name(prefix) {\n return this._scope.name(prefix);\n }\n // reserves unique name in the external scope\n scopeName(prefix) {\n return this._extScope.name(prefix);\n }\n // reserves unique name in the external scope and assigns value to it\n scopeValue(prefixOrName, value) {\n const name = this._extScope.value(prefixOrName, value);\n const vs = this._values[name.prefix] || (this._values[name.prefix] = new Set());\n vs.add(name);\n return name;\n }\n getScopeValue(prefix, keyOrRef) {\n return this._extScope.getValue(prefix, keyOrRef);\n }\n // return code that assigns values in the external scope to the names that are used internally\n // (same names that were returned by gen.scopeName or gen.scopeValue)\n scopeRefs(scopeName) {\n return this._extScope.scopeRefs(scopeName, this._values);\n }\n scopeCode() {\n return this._extScope.scopeCode(this._values);\n }\n _def(varKind, nameOrPrefix, rhs, constant) {\n const name = this._scope.toName(nameOrPrefix);\n if (rhs !== undefined && constant)\n this._constants[name.str] = rhs;\n this._leafNode(new Def(varKind, name, rhs));\n return name;\n }\n // `const` declaration (`var` in es5 mode)\n const(nameOrPrefix, rhs, _constant) {\n return this._def(scope_1.varKinds.const, nameOrPrefix, rhs, _constant);\n }\n // `let` declaration with optional assignment (`var` in es5 mode)\n let(nameOrPrefix, rhs, _constant) {\n return this._def(scope_1.varKinds.let, nameOrPrefix, rhs, _constant);\n }\n // `var` declaration with optional assignment\n var(nameOrPrefix, rhs, _constant) {\n return this._def(scope_1.varKinds.var, nameOrPrefix, rhs, _constant);\n }\n // assignment code\n assign(lhs, rhs, sideEffects) {\n return this._leafNode(new Assign(lhs, rhs, sideEffects));\n }\n // `+=` code\n add(lhs, rhs) {\n return this._leafNode(new AssignOp(lhs, exports.operators.ADD, rhs));\n }\n // appends passed SafeExpr to code or executes Block\n code(c) {\n if (typeof c == \"function\")\n c();\n else if (c !== code_1.nil)\n this._leafNode(new AnyCode(c));\n return this;\n }\n // returns code for object literal for the passed argument list of key-value pairs\n object(...keyValues) {\n const code = [\"{\"];\n for (const [key, value] of keyValues) {\n if (code.length > 1)\n code.push(\",\");\n code.push(key);\n if (key !== value || this.opts.es5) {\n code.push(\":\");\n code_1.addCodeArg(code, value);\n }\n }\n code.push(\"}\");\n return new code_1._Code(code);\n }\n // `if` clause (or statement if `thenBody` and, optionally, `elseBody` are passed)\n if(condition, thenBody, elseBody) {\n this._blockNode(new If(condition));\n if (thenBody && elseBody) {\n this.code(thenBody).else().code(elseBody).endIf();\n }\n else if (thenBody) {\n this.code(thenBody).endIf();\n }\n else if (elseBody) {\n throw new Error('CodeGen: \"else\" body without \"then\" body');\n }\n return this;\n }\n // `else if` clause - invalid without `if` or after `else` clauses\n elseIf(condition) {\n return this._elseNode(new If(condition));\n }\n // `else` clause - only valid after `if` or `else if` clauses\n else() {\n return this._elseNode(new Else());\n }\n // end `if` statement (needed if gen.if was used only with condition)\n endIf() {\n return this._endBlockNode(If, Else);\n }\n _for(node, forBody) {\n this._blockNode(node);\n if (forBody)\n this.code(forBody).endFor();\n return this;\n }\n // a generic `for` clause (or statement if `forBody` is passed)\n for(iteration, forBody) {\n return this._for(new ForLoop(iteration), forBody);\n }\n // `for` statement for a range of values\n forRange(nameOrPrefix, from, to, forBody, varKind = this.opts.es5 ? scope_1.varKinds.var : scope_1.varKinds.let) {\n const name = this._scope.toName(nameOrPrefix);\n return this._for(new ForRange(varKind, name, from, to), () => forBody(name));\n }\n // `for-of` statement (in es5 mode replace with a normal for loop)\n forOf(nameOrPrefix, iterable, forBody, varKind = scope_1.varKinds.const) {\n const name = this._scope.toName(nameOrPrefix);\n if (this.opts.es5) {\n const arr = iterable instanceof code_1.Name ? iterable : this.var(\"_arr\", iterable);\n return this.forRange(\"_i\", 0, code_1._ `${arr}.length`, (i) => {\n this.var(name, code_1._ `${arr}[${i}]`);\n forBody(name);\n });\n }\n return this._for(new ForIter(\"of\", varKind, name, iterable), () => forBody(name));\n }\n // `for-in` statement.\n // With option `ownProperties` replaced with a `for-of` loop for object keys\n forIn(nameOrPrefix, obj, forBody, varKind = this.opts.es5 ? scope_1.varKinds.var : scope_1.varKinds.const) {\n if (this.opts.ownProperties) {\n return this.forOf(nameOrPrefix, code_1._ `Object.keys(${obj})`, forBody);\n }\n const name = this._scope.toName(nameOrPrefix);\n return this._for(new ForIter(\"in\", varKind, name, obj), () => forBody(name));\n }\n // end `for` loop\n endFor() {\n return this._endBlockNode(For);\n }\n // `label` statement\n label(label) {\n return this._leafNode(new Label(label));\n }\n // `break` statement\n break(label) {\n return this._leafNode(new Break(label));\n }\n // `return` statement\n return(value) {\n const node = new Return();\n this._blockNode(node);\n this.code(value);\n if (node.nodes.length !== 1)\n throw new Error('CodeGen: \"return\" should have one node');\n return this._endBlockNode(Return);\n }\n // `try` statement\n try(tryBody, catchCode, finallyCode) {\n if (!catchCode && !finallyCode)\n throw new Error('CodeGen: \"try\" without \"catch\" and \"finally\"');\n const node = new Try();\n this._blockNode(node);\n this.code(tryBody);\n if (catchCode) {\n const error = this.name(\"e\");\n this._currNode = node.catch = new Catch(error);\n catchCode(error);\n }\n if (finallyCode) {\n this._currNode = node.finally = new Finally();\n this.code(finallyCode);\n }\n return this._endBlockNode(Catch, Finally);\n }\n // `throw` statement\n throw(error) {\n return this._leafNode(new Throw(error));\n }\n // start self-balancing block\n block(body, nodeCount) {\n this._blockStarts.push(this._nodes.length);\n if (body)\n this.code(body).endBlock(nodeCount);\n return this;\n }\n // end the current self-balancing block\n endBlock(nodeCount) {\n const len = this._blockStarts.pop();\n if (len === undefined)\n throw new Error(\"CodeGen: not in self-balancing block\");\n const toClose = this._nodes.length - len;\n if (toClose < 0 || (nodeCount !== undefined && toClose !== nodeCount)) {\n throw new Error(`CodeGen: wrong number of nodes: ${toClose} vs ${nodeCount} expected`);\n }\n this._nodes.length = len;\n return this;\n }\n // `function` heading (or definition if funcBody is passed)\n func(name, args = code_1.nil, async, funcBody) {\n this._blockNode(new Func(name, args, async));\n if (funcBody)\n this.code(funcBody).endFunc();\n return this;\n }\n // end function definition\n endFunc() {\n return this._endBlockNode(Func);\n }\n optimize(n = 1) {\n while (n-- > 0) {\n this._root.optimizeNodes();\n this._root.optimizeNames(this._root.names, this._constants);\n }\n }\n _leafNode(node) {\n this._currNode.nodes.push(node);\n return this;\n }\n _blockNode(node) {\n this._currNode.nodes.push(node);\n this._nodes.push(node);\n }\n _endBlockNode(N1, N2) {\n const n = this._currNode;\n if (n instanceof N1 || (N2 && n instanceof N2)) {\n this._nodes.pop();\n return this;\n }\n throw new Error(`CodeGen: not in block \"${N2 ? `${N1.kind}/${N2.kind}` : N1.kind}\"`);\n }\n _elseNode(node) {\n const n = this._currNode;\n if (!(n instanceof If)) {\n throw new Error('CodeGen: \"else\" without \"if\"');\n }\n this._currNode = n.else = node;\n return this;\n }\n get _root() {\n return this._nodes[0];\n }\n get _currNode() {\n const ns = this._nodes;\n return ns[ns.length - 1];\n }\n set _currNode(node) {\n const ns = this._nodes;\n ns[ns.length - 1] = node;\n }\n}\nexports.CodeGen = CodeGen;\nfunction addNames(names, from) {\n for (const n in from)\n names[n] = (names[n] || 0) + (from[n] || 0);\n return names;\n}\nfunction addExprNames(names, from) {\n return from instanceof code_1._CodeOrName ? addNames(names, from.names) : names;\n}\nfunction optimizeExpr(expr, names, constants) {\n if (expr instanceof code_1.Name)\n return replaceName(expr);\n if (!canOptimize(expr))\n return expr;\n return new code_1._Code(expr._items.reduce((items, c) => {\n if (c instanceof code_1.Name)\n c = replaceName(c);\n if (c instanceof code_1._Code)\n items.push(...c._items);\n else\n items.push(c);\n return items;\n }, []));\n function replaceName(n) {\n const c = constants[n.str];\n if (c === undefined || names[n.str] !== 1)\n return n;\n delete names[n.str];\n return c;\n }\n function canOptimize(e) {\n return (e instanceof code_1._Code &&\n e._items.some((c) => c instanceof code_1.Name && names[c.str] === 1 && constants[c.str] !== undefined));\n }\n}\nfunction subtractNames(names, from) {\n for (const n in from)\n names[n] = (names[n] || 0) - (from[n] || 0);\n}\nfunction not(x) {\n return typeof x == \"boolean\" || typeof x == \"number\" || x === null ? !x : code_1._ `!${par(x)}`;\n}\nexports.not = not;\nconst andCode = mappend(exports.operators.AND);\n// boolean AND (&&) expression with the passed arguments\nfunction and(...args) {\n return args.reduce(andCode);\n}\nexports.and = and;\nconst orCode = mappend(exports.operators.OR);\n// boolean OR (||) expression with the passed arguments\nfunction or(...args) {\n return args.reduce(orCode);\n}\nexports.or = or;\nfunction mappend(op) {\n return (x, y) => (x === code_1.nil ? y : y === code_1.nil ? x : code_1._ `${par(x)} ${op} ${par(y)}`);\n}\nfunction par(x) {\n return x instanceof code_1.Name ? x : code_1._ `(${x})`;\n}\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.ValueScope = exports.ValueScopeName = exports.Scope = exports.varKinds = exports.UsedValueState = void 0;\nconst code_1 = require(\"./code\");\nclass ValueError extends Error {\n constructor(name) {\n super(`CodeGen: \"code\" for ${name} not defined`);\n this.value = name.value;\n }\n}\nvar UsedValueState;\n(function (UsedValueState) {\n UsedValueState[UsedValueState[\"Started\"] = 0] = \"Started\";\n UsedValueState[UsedValueState[\"Completed\"] = 1] = \"Completed\";\n})(UsedValueState = exports.UsedValueState || (exports.UsedValueState = {}));\nexports.varKinds = {\n const: new code_1.Name(\"const\"),\n let: new code_1.Name(\"let\"),\n var: new code_1.Name(\"var\"),\n};\nclass Scope {\n constructor({ prefixes, parent } = {}) {\n this._names = {};\n this._prefixes = prefixes;\n this._parent = parent;\n }\n toName(nameOrPrefix) {\n return nameOrPrefix instanceof code_1.Name ? nameOrPrefix : this.name(nameOrPrefix);\n }\n name(prefix) {\n return new code_1.Name(this._newName(prefix));\n }\n _newName(prefix) {\n const ng = this._names[prefix] || this._nameGroup(prefix);\n return `${prefix}${ng.index++}`;\n }\n _nameGroup(prefix) {\n var _a, _b;\n if (((_b = (_a = this._parent) === null || _a === void 0 ? void 0 : _a._prefixes) === null || _b === void 0 ? void 0 : _b.has(prefix)) || (this._prefixes && !this._prefixes.has(prefix))) {\n throw new Error(`CodeGen: prefix \"${prefix}\" is not allowed in this scope`);\n }\n return (this._names[prefix] = { prefix, index: 0 });\n }\n}\nexports.Scope = Scope;\nclass ValueScopeName extends code_1.Name {\n constructor(prefix, nameStr) {\n super(nameStr);\n this.prefix = prefix;\n }\n setValue(value, { property, itemIndex }) {\n this.value = value;\n this.scopePath = code_1._ `.${new code_1.Name(property)}[${itemIndex}]`;\n }\n}\nexports.ValueScopeName = ValueScopeName;\nconst line = code_1._ `\\n`;\nclass ValueScope extends Scope {\n constructor(opts) {\n super(opts);\n this._values = {};\n this._scope = opts.scope;\n this.opts = { ...opts, _n: opts.lines ? line : code_1.nil };\n }\n get() {\n return this._scope;\n }\n name(prefix) {\n return new ValueScopeName(prefix, this._newName(prefix));\n }\n value(nameOrPrefix, value) {\n var _a;\n if (value.ref === undefined)\n throw new Error(\"CodeGen: ref must be passed in value\");\n const name = this.toName(nameOrPrefix);\n const { prefix } = name;\n const valueKey = (_a = value.key) !== null && _a !== void 0 ? _a : value.ref;\n let vs = this._values[prefix];\n if (vs) {\n const _name = vs.get(valueKey);\n if (_name)\n return _name;\n }\n else {\n vs = this._values[prefix] = new Map();\n }\n vs.set(valueKey, name);\n const s = this._scope[prefix] || (this._scope[prefix] = []);\n const itemIndex = s.length;\n s[itemIndex] = value.ref;\n name.setValue(value, { property: prefix, itemIndex });\n return name;\n }\n getValue(prefix, keyOrRef) {\n const vs = this._values[prefix];\n if (!vs)\n return;\n return vs.get(keyOrRef);\n }\n scopeRefs(scopeName, values = this._values) {\n return this._reduceValues(values, (name) => {\n if (name.scopePath === undefined)\n throw new Error(`CodeGen: name \"${name}\" has no value`);\n return code_1._ `${scopeName}${name.scopePath}`;\n });\n }\n scopeCode(values = this._values, usedValues, getCode) {\n return this._reduceValues(values, (name) => {\n if (name.value === undefined)\n throw new Error(`CodeGen: name \"${name}\" has no value`);\n return name.value.code;\n }, usedValues, getCode);\n }\n _reduceValues(values, valueCode, usedValues = {}, getCode) {\n let code = code_1.nil;\n for (const prefix in values) {\n const vs = values[prefix];\n if (!vs)\n continue;\n const nameSet = (usedValues[prefix] = usedValues[prefix] || new Map());\n vs.forEach((name) => {\n if (nameSet.has(name))\n return;\n nameSet.set(name, UsedValueState.Started);\n let c = valueCode(name);\n if (c) {\n const def = this.opts.es5 ? exports.varKinds.var : exports.varKinds.const;\n code = code_1._ `${code}${def} ${name} = ${c};${this.opts._n}`;\n }\n else if ((c = getCode === null || getCode === void 0 ? void 0 : getCode(name))) {\n code = code_1._ `${code}${c}${this.opts._n}`;\n }\n else {\n throw new ValueError(name);\n }\n nameSet.set(name, UsedValueState.Completed);\n });\n }\n return code;\n }\n}\nexports.ValueScope = ValueScope;\n//# sourceMappingURL=scope.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getData = void 0;\nconst dataType_1 = require(\"./validate/dataType\");\nconst util_1 = require(\"./util\");\nconst errors_1 = require(\"./errors\");\nconst codegen_1 = require(\"./codegen\");\nconst names_1 = require(\"./names\");\nconst subschema_1 = require(\"./subschema\");\nclass KeywordCxt {\n constructor(it, def, keyword) {\n validateKeywordUsage(it, def, keyword);\n this.gen = it.gen;\n this.allErrors = it.allErrors;\n this.keyword = keyword;\n this.data = it.data;\n this.schema = it.schema[keyword];\n this.$data = def.$data && it.opts.$data && this.schema && this.schema.$data;\n this.schemaValue = util_1.schemaRefOrVal(it, this.schema, keyword, this.$data);\n this.schemaType = def.schemaType;\n this.parentSchema = it.schema;\n this.params = {};\n this.it = it;\n this.def = def;\n if (this.$data) {\n this.schemaCode = it.gen.const(\"vSchema\", getData(this.$data, it));\n }\n else {\n this.schemaCode = this.schemaValue;\n if (!validSchemaType(this.schema, def.schemaType, def.allowUndefined)) {\n throw new Error(`${keyword} value must be ${JSON.stringify(def.schemaType)}`);\n }\n }\n if (\"code\" in def ? def.trackErrors : def.errors !== false) {\n this.errsCount = it.gen.const(\"_errs\", names_1.default.errors);\n }\n }\n result(condition, successAction, failAction) {\n this.gen.if(codegen_1.not(condition));\n if (failAction)\n failAction();\n else\n this.error();\n if (successAction) {\n this.gen.else();\n successAction();\n if (this.allErrors)\n this.gen.endIf();\n }\n else {\n if (this.allErrors)\n this.gen.endIf();\n else\n this.gen.else();\n }\n }\n pass(condition, failAction) {\n this.result(condition, undefined, failAction);\n }\n fail(condition) {\n if (condition === undefined) {\n this.error();\n if (!this.allErrors)\n this.gen.if(false); // this branch will be removed by gen.optimize\n return;\n }\n this.gen.if(condition);\n this.error();\n if (this.allErrors)\n this.gen.endIf();\n else\n this.gen.else();\n }\n fail$data(condition) {\n if (!this.$data)\n return this.fail(condition);\n const { schemaCode } = this;\n this.fail(codegen_1._ `${schemaCode} !== undefined && (${codegen_1.or(this.invalid$data(), condition)})`);\n }\n error(append) {\n ;\n (append ? errors_1.reportExtraError : errors_1.reportError)(this, this.def.error);\n }\n $dataError() {\n errors_1.reportError(this, this.def.$dataError || errors_1.keyword$DataError);\n }\n reset() {\n if (this.errsCount === undefined)\n throw new Error('add \"trackErrors\" to keyword definition');\n errors_1.resetErrorsCount(this.gen, this.errsCount);\n }\n ok(cond) {\n if (!this.allErrors)\n this.gen.if(cond);\n }\n setParams(obj, assign) {\n if (assign)\n Object.assign(this.params, obj);\n else\n this.params = obj;\n }\n block$data(valid, codeBlock, $dataValid = codegen_1.nil) {\n this.gen.block(() => {\n this.check$data(valid, $dataValid);\n codeBlock();\n });\n }\n check$data(valid = codegen_1.nil, $dataValid = codegen_1.nil) {\n if (!this.$data)\n return;\n const { gen, schemaCode, schemaType, def } = this;\n gen.if(codegen_1.or(codegen_1._ `${schemaCode} === undefined`, $dataValid));\n if (valid !== codegen_1.nil)\n gen.assign(valid, true);\n if (schemaType.length || def.validateSchema) {\n gen.elseIf(this.invalid$data());\n this.$dataError();\n if (valid !== codegen_1.nil)\n gen.assign(valid, false);\n }\n gen.else();\n }\n invalid$data() {\n const { gen, schemaCode, schemaType, def, it } = this;\n return codegen_1.or(wrong$DataType(), invalid$DataSchema());\n function wrong$DataType() {\n if (schemaType.length) {\n /* istanbul ignore if */\n if (!(schemaCode instanceof codegen_1.Name))\n throw new Error(\"ajv implementation error\");\n const st = Array.isArray(schemaType) ? schemaType : [schemaType];\n return codegen_1._ `${dataType_1.checkDataTypes(st, schemaCode, it.opts.strict, dataType_1.DataType.Wrong)}`;\n }\n return codegen_1.nil;\n }\n function invalid$DataSchema() {\n if (def.validateSchema) {\n const validateSchemaRef = gen.scopeValue(\"validate$data\", { ref: def.validateSchema }); // TODO value.code for standalone\n return codegen_1._ `!${validateSchemaRef}(${schemaCode})`;\n }\n return codegen_1.nil;\n }\n }\n subschema(appl, valid) {\n return subschema_1.applySubschema(this.it, appl, valid);\n }\n mergeEvaluated(schemaCxt, toName) {\n const { it, gen } = this;\n if (!it.opts.unevaluated)\n return;\n if (it.props !== true && schemaCxt.props !== undefined) {\n it.props = util_1.mergeEvaluated.props(gen, schemaCxt.props, it.props, toName);\n }\n if (it.items !== true && schemaCxt.items !== undefined) {\n it.items = util_1.mergeEvaluated.items(gen, schemaCxt.items, it.items, toName);\n }\n }\n mergeValidEvaluated(schemaCxt, valid) {\n const { it, gen } = this;\n if (it.opts.unevaluated && (it.props !== true || it.items !== true)) {\n gen.if(valid, () => this.mergeEvaluated(schemaCxt, codegen_1.Name));\n return true;\n }\n }\n}\nexports.default = KeywordCxt;\nfunction validSchemaType(schema, schemaType, allowUndefined = false) {\n // TODO add tests\n return (!schemaType.length ||\n schemaType.some((st) => st === \"array\"\n ? Array.isArray(schema)\n : st === \"object\"\n ? schema && typeof schema == \"object\" && !Array.isArray(schema)\n : typeof schema == st || (allowUndefined && typeof schema == \"undefined\")));\n}\nfunction validateKeywordUsage({ schema, opts, self }, def, keyword) {\n /* istanbul ignore if */\n if (Array.isArray(def.keyword) ? !def.keyword.includes(keyword) : def.keyword !== keyword) {\n throw new Error(\"ajv implementation error\");\n }\n const deps = def.dependencies;\n if (deps === null || deps === void 0 ? void 0 : deps.some((kwd) => !Object.prototype.hasOwnProperty.call(schema, kwd))) {\n throw new Error(`parent schema must have dependencies of ${keyword}: ${deps.join(\",\")}`);\n }\n if (def.validateSchema) {\n const valid = def.validateSchema(schema[keyword]);\n if (!valid) {\n const msg = \"keyword value is invalid: \" + self.errorsText(def.validateSchema.errors);\n if (opts.validateSchema === \"log\")\n self.logger.error(msg);\n else\n throw new Error(msg);\n }\n }\n}\nconst JSON_POINTER = /^\\/(?:[^~]|~0|~1)*$/;\nconst RELATIVE_JSON_POINTER = /^([0-9]+)(#|\\/(?:[^~]|~0|~1)*)?$/;\nfunction getData($data, { dataLevel, dataNames, dataPathArr }) {\n let jsonPointer;\n let data;\n if ($data === \"\")\n return names_1.default.rootData;\n if ($data[0] === \"/\") {\n if (!JSON_POINTER.test($data))\n throw new Error(`Invalid JSON-pointer: ${$data}`);\n jsonPointer = $data;\n data = names_1.default.rootData;\n }\n else {\n const matches = RELATIVE_JSON_POINTER.exec($data);\n if (!matches)\n throw new Error(`Invalid JSON-pointer: ${$data}`);\n const up = +matches[1];\n jsonPointer = matches[2];\n if (jsonPointer === \"#\") {\n if (up >= dataLevel)\n throw new Error(errorMsg(\"property/index\", up));\n return dataPathArr[dataLevel - up];\n }\n if (up > dataLevel)\n throw new Error(errorMsg(\"data\", up));\n data = dataNames[dataLevel - up];\n if (!jsonPointer)\n return data;\n }\n let expr = data;\n const segments = jsonPointer.split(\"/\");\n for (const segment of segments) {\n if (segment) {\n data = codegen_1._ `${data}${codegen_1.getProperty(util_1.unescapeJsonPointer(segment))}`;\n expr = codegen_1._ `${expr} && ${data}`;\n }\n }\n return expr;\n function errorMsg(pointerType, up) {\n return `Cannot access ${pointerType} ${up} levels up, current level is ${dataLevel}`;\n }\n}\nexports.getData = getData;\n//# sourceMappingURL=context.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.MissingRefError = exports.ValidationError = void 0;\nconst resolve_1 = require(\"./resolve\");\nclass ValidationError extends Error {\n constructor(errors) {\n super(\"validation failed\");\n this.errors = errors;\n this.ajv = this.validation = true;\n }\n}\nexports.ValidationError = ValidationError;\nclass MissingRefError extends Error {\n constructor(baseId, ref, msg) {\n super(msg || `can't resolve reference ${ref} from id ${baseId}`);\n this.missingRef = resolve_1.resolveUrl(baseId, ref);\n this.missingSchema = resolve_1.normalizeId(resolve_1.getFullPath(this.missingRef));\n }\n}\nexports.MissingRefError = MissingRefError;\nmodule.exports = {\n ValidationError,\n MissingRefError,\n};\n//# sourceMappingURL=error_classes.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.extendErrors = exports.resetErrorsCount = exports.reportExtraError = exports.reportError = exports.keyword$DataError = exports.keywordError = void 0;\nconst codegen_1 = require(\"./codegen\");\nconst names_1 = require(\"./names\");\nexports.keywordError = {\n message: ({ keyword }) => codegen_1.str `should pass \"${keyword}\" keyword validation`,\n};\nexports.keyword$DataError = {\n message: ({ keyword, schemaType }) => schemaType\n ? codegen_1.str `\"${keyword}\" keyword must be ${schemaType} ($data)`\n : codegen_1.str `\"${keyword}\" keyword is invalid ($data)`,\n};\nfunction reportError(cxt, error = exports.keywordError, overrideAllErrors) {\n const { it } = cxt;\n const { gen, compositeRule, allErrors } = it;\n const errObj = errorObjectCode(cxt, error);\n if (overrideAllErrors !== null && overrideAllErrors !== void 0 ? overrideAllErrors : (compositeRule || allErrors)) {\n addError(gen, errObj);\n }\n else {\n returnErrors(it, codegen_1._ `[${errObj}]`);\n }\n}\nexports.reportError = reportError;\nfunction reportExtraError(cxt, error = exports.keywordError) {\n const { it } = cxt;\n const { gen, compositeRule, allErrors } = it;\n const errObj = errorObjectCode(cxt, error);\n addError(gen, errObj);\n if (!(compositeRule || allErrors)) {\n returnErrors(it, names_1.default.vErrors);\n }\n}\nexports.reportExtraError = reportExtraError;\nfunction resetErrorsCount(gen, errsCount) {\n gen.assign(names_1.default.errors, errsCount);\n gen.if(codegen_1._ `${names_1.default.vErrors} !== null`, () => gen.if(errsCount, () => gen.assign(codegen_1._ `${names_1.default.vErrors}.length`, errsCount), () => gen.assign(names_1.default.vErrors, null)));\n}\nexports.resetErrorsCount = resetErrorsCount;\nfunction extendErrors({ gen, keyword, schemaValue, data, errsCount, it, }) {\n /* istanbul ignore if */\n if (errsCount === undefined)\n throw new Error(\"ajv implementation error\");\n const err = gen.name(\"err\");\n gen.forRange(\"i\", errsCount, names_1.default.errors, (i) => {\n gen.const(err, codegen_1._ `${names_1.default.vErrors}[${i}]`);\n gen.if(codegen_1._ `${err}.dataPath === undefined`, () => gen.assign(codegen_1._ `${err}.dataPath`, codegen_1.strConcat(names_1.default.dataPath, it.errorPath)));\n gen.assign(codegen_1._ `${err}.schemaPath`, codegen_1.str `${it.errSchemaPath}/${keyword}`);\n if (it.opts.verbose) {\n gen.assign(codegen_1._ `${err}.schema`, schemaValue);\n gen.assign(codegen_1._ `${err}.data`, data);\n }\n });\n}\nexports.extendErrors = extendErrors;\nfunction addError(gen, errObj) {\n const err = gen.const(\"err\", errObj);\n gen.if(codegen_1._ `${names_1.default.vErrors} === null`, () => gen.assign(names_1.default.vErrors, codegen_1._ `[${err}]`), codegen_1._ `${names_1.default.vErrors}.push(${err})`);\n gen.code(codegen_1._ `${names_1.default.errors}++`);\n}\nfunction returnErrors(it, errs) {\n const { gen, validateName, schemaEnv } = it;\n if (schemaEnv.$async) {\n gen.throw(codegen_1._ `new ${it.ValidationError}(${errs})`);\n }\n else {\n gen.assign(codegen_1._ `${validateName}.errors`, errs);\n gen.return(false);\n }\n}\nconst E = {\n keyword: new codegen_1.Name(\"keyword\"),\n schemaPath: new codegen_1.Name(\"schemaPath\"),\n params: new codegen_1.Name(\"params\"),\n propertyName: new codegen_1.Name(\"propertyName\"),\n message: new codegen_1.Name(\"message\"),\n schema: new codegen_1.Name(\"schema\"),\n parentSchema: new codegen_1.Name(\"parentSchema\"),\n // JTD error properties\n instancePath: new codegen_1.Name(\"instancePath\"),\n};\nfunction errorObjectCode(cxt, error) {\n const { createErrors, opts } = cxt.it;\n if (createErrors === false)\n return codegen_1._ `{}`;\n return (opts.jtd && !opts.ajvErrors ? jtdErrorObject : ajvErrorObject)(cxt, error);\n}\nfunction jtdErrorObject(cxt, { message }) {\n const { gen, keyword, it } = cxt;\n const { errorPath, errSchemaPath, opts } = it;\n const keyValues = [\n [E.instancePath, codegen_1.strConcat(names_1.default.dataPath, errorPath)],\n [E.schemaPath, codegen_1.str `${errSchemaPath}/${keyword}`],\n ];\n if (opts.messages) {\n keyValues.push([E.message, typeof message == \"function\" ? message(cxt) : message]);\n }\n return gen.object(...keyValues);\n}\nfunction ajvErrorObject(cxt, error) {\n const { gen, keyword, data, schemaValue, it } = cxt;\n const { topSchemaRef, schemaPath, errorPath, errSchemaPath, propertyName, opts } = it;\n const { params, message } = error;\n const keyValues = [\n [E.keyword, keyword],\n [names_1.default.dataPath, codegen_1.strConcat(names_1.default.dataPath, errorPath)],\n [E.schemaPath, codegen_1.str `${errSchemaPath}/${keyword}`],\n [E.params, typeof params == \"function\" ? params(cxt) : params || codegen_1._ `{}`],\n ];\n if (propertyName)\n keyValues.push([E.propertyName, propertyName]);\n if (opts.messages) {\n keyValues.push([E.message, typeof message == \"function\" ? message(cxt) : message]);\n }\n if (opts.verbose) {\n keyValues.push([E.schema, schemaValue], [E.parentSchema, codegen_1._ `${topSchemaRef}${schemaPath}`], [names_1.default.data, data]);\n }\n return gen.object(...keyValues);\n}\n//# sourceMappingURL=errors.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.resolveSchema = exports.getCompilingSchema = exports.resolveRef = exports.compileSchema = exports.SchemaEnv = void 0;\nconst codegen_1 = require(\"./codegen\");\nconst error_classes_1 = require(\"./error_classes\");\nconst names_1 = require(\"./names\");\nconst resolve_1 = require(\"./resolve\");\nconst util_1 = require(\"./util\");\nconst validate_1 = require(\"./validate\");\nconst URI = require(\"uri-js\");\nclass SchemaEnv {\n constructor(env) {\n var _a;\n this.refs = {};\n this.dynamicAnchors = {};\n let schema;\n if (typeof env.schema == \"object\")\n schema = env.schema;\n this.schema = env.schema;\n this.root = env.root || this;\n this.baseId = (_a = env.baseId) !== null && _a !== void 0 ? _a : resolve_1.normalizeId(schema === null || schema === void 0 ? void 0 : schema.$id);\n this.localRefs = env.localRefs;\n this.meta = env.meta;\n this.$async = schema === null || schema === void 0 ? void 0 : schema.$async;\n this.refs = {};\n }\n}\nexports.SchemaEnv = SchemaEnv;\n// let codeSize = 0\n// let nodeCount = 0\n// Compiles schema in SchemaEnv\nfunction compileSchema(sch) {\n // TODO refactor - remove compilations\n const _sch = getCompilingSchema.call(this, sch);\n if (_sch)\n return _sch;\n const rootId = resolve_1.getFullPath(sch.root.baseId); // TODO if getFullPath removed 1 tests fails\n const { es5, lines } = this.opts.code;\n const { ownProperties } = this.opts;\n const gen = new codegen_1.CodeGen(this.scope, { es5, lines, ownProperties });\n let _ValidationError;\n if (sch.$async) {\n _ValidationError = gen.scopeValue(\"Error\", {\n ref: error_classes_1.ValidationError,\n code: codegen_1._ `require(\"ajv/dist/compile/error_classes\").ValidationError`,\n });\n }\n const validateName = gen.scopeName(\"validate\");\n sch.validateName = validateName;\n const schemaCxt = {\n gen,\n allErrors: this.opts.allErrors,\n data: names_1.default.data,\n parentData: names_1.default.parentData,\n parentDataProperty: names_1.default.parentDataProperty,\n dataNames: [names_1.default.data],\n dataPathArr: [codegen_1.nil],\n dataLevel: 0,\n dataTypes: [],\n definedProperties: new Set(),\n topSchemaRef: gen.scopeValue(\"schema\", this.opts.code.source === true\n ? { ref: sch.schema, code: codegen_1.stringify(sch.schema) }\n : { ref: sch.schema }),\n validateName,\n ValidationError: _ValidationError,\n schema: sch.schema,\n schemaEnv: sch,\n rootId,\n baseId: sch.baseId || rootId,\n schemaPath: codegen_1.nil,\n errSchemaPath: this.opts.jtd ? \"\" : \"#\",\n errorPath: codegen_1._ `\"\"`,\n opts: this.opts,\n self: this,\n };\n let sourceCode;\n try {\n this._compilations.add(sch);\n validate_1.validateFunctionCode(schemaCxt);\n gen.optimize(this.opts.code.optimize);\n // gen.optimize(1)\n const validateCode = gen.toString();\n sourceCode = `${gen.scopeRefs(names_1.default.scope)}return ${validateCode}`;\n // console.log((codeSize += sourceCode.length), (nodeCount += gen.nodeCount))\n if (this.opts.code.process)\n sourceCode = this.opts.code.process(sourceCode, sch);\n // console.log(\"\\n\\n\\n *** \\n\", sourceCode)\n const makeValidate = new Function(`${names_1.default.self}`, `${names_1.default.scope}`, sourceCode);\n const validate = makeValidate(this, this.scope.get());\n this.scope.value(validateName, { ref: validate });\n validate.errors = null;\n validate.schema = sch.schema;\n validate.schemaEnv = sch;\n if (sch.$async)\n validate.$async = true;\n if (this.opts.code.source === true) {\n validate.source = { validateName, validateCode, scopeValues: gen._values };\n }\n if (this.opts.unevaluated) {\n const { props, items } = schemaCxt;\n validate.evaluated = {\n props: props instanceof codegen_1.Name ? undefined : props,\n items: items instanceof codegen_1.Name ? undefined : items,\n dynamicProps: props instanceof codegen_1.Name,\n dynamicItems: items instanceof codegen_1.Name,\n };\n if (validate.source)\n validate.source.evaluated = codegen_1.stringify(validate.evaluated);\n }\n sch.validate = validate;\n return sch;\n }\n catch (e) {\n delete sch.validate;\n delete sch.validateName;\n if (sourceCode)\n this.logger.error(\"Error compiling schema, function code:\", sourceCode);\n // console.log(\"\\n\\n\\n *** \\n\", sourceCode, this.opts)\n throw e;\n }\n finally {\n this._compilations.delete(sch);\n }\n}\nexports.compileSchema = compileSchema;\nfunction resolveRef(root, baseId, ref) {\n var _a;\n ref = resolve_1.resolveUrl(baseId, ref);\n const schOrFunc = root.refs[ref];\n if (schOrFunc)\n return schOrFunc;\n let _sch = resolve.call(this, root, ref);\n if (_sch === undefined) {\n const schema = (_a = root.localRefs) === null || _a === void 0 ? void 0 : _a[ref]; // TODO maybe localRefs should hold SchemaEnv\n if (schema)\n _sch = new SchemaEnv({ schema, root, baseId });\n }\n if (_sch === undefined)\n return;\n return (root.refs[ref] = inlineOrCompile.call(this, _sch));\n}\nexports.resolveRef = resolveRef;\nfunction inlineOrCompile(sch) {\n if (resolve_1.inlineRef(sch.schema, this.opts.inlineRefs))\n return sch.schema;\n return sch.validate ? sch : compileSchema.call(this, sch);\n}\n// Index of schema compilation in the currently compiled list\nfunction getCompilingSchema(schEnv) {\n for (const sch of this._compilations) {\n if (sameSchemaEnv(sch, schEnv))\n return sch;\n }\n}\nexports.getCompilingSchema = getCompilingSchema;\nfunction sameSchemaEnv(s1, s2) {\n return s1.schema === s2.schema && s1.root === s2.root && s1.baseId === s2.baseId;\n}\n// resolve and compile the references ($ref)\n// TODO returns AnySchemaObject (if the schema can be inlined) or validation function\nfunction resolve(root, // information about the root schema for the current schema\nref // reference to resolve\n) {\n let sch;\n while (typeof (sch = this.refs[ref]) == \"string\")\n ref = sch;\n return sch || this.schemas[ref] || resolveSchema.call(this, root, ref);\n}\n// Resolve schema, its root and baseId\nfunction resolveSchema(root, // root object with properties schema, refs TODO below SchemaEnv is assigned to it\nref // reference to resolve\n) {\n const p = URI.parse(ref);\n const refPath = resolve_1._getFullPath(p);\n let baseId = resolve_1.getFullPath(root.baseId);\n // TODO `Object.keys(root.schema).length > 0` should not be needed - but removing breaks 2 tests\n if (Object.keys(root.schema).length > 0 && refPath === baseId) {\n return getJsonPointer.call(this, p, root);\n }\n const id = resolve_1.normalizeId(refPath);\n const schOrRef = this.refs[id] || this.schemas[id];\n if (typeof schOrRef == \"string\") {\n const sch = resolveSchema.call(this, root, schOrRef);\n if (typeof (sch === null || sch === void 0 ? void 0 : sch.schema) !== \"object\")\n return;\n return getJsonPointer.call(this, p, sch);\n }\n if (typeof (schOrRef === null || schOrRef === void 0 ? void 0 : schOrRef.schema) !== \"object\")\n return;\n if (!schOrRef.validate)\n compileSchema.call(this, schOrRef);\n if (id === resolve_1.normalizeId(ref)) {\n const { schema } = schOrRef;\n if (schema.$id)\n baseId = resolve_1.resolveUrl(baseId, schema.$id);\n return new SchemaEnv({ schema, root, baseId });\n }\n return getJsonPointer.call(this, p, schOrRef);\n}\nexports.resolveSchema = resolveSchema;\nconst PREVENT_SCOPE_CHANGE = new Set([\n \"properties\",\n \"patternProperties\",\n \"enum\",\n \"dependencies\",\n \"definitions\",\n]);\nfunction getJsonPointer(parsedRef, { baseId, schema, root }) {\n var _a;\n if (((_a = parsedRef.fragment) === null || _a === void 0 ? void 0 : _a[0]) !== \"/\")\n return;\n for (const part of parsedRef.fragment.slice(1).split(\"/\")) {\n if (typeof schema == \"boolean\")\n return;\n schema = schema[util_1.unescapeFragment(part)];\n if (schema === undefined)\n return;\n // TODO PREVENT_SCOPE_CHANGE could be defined in keyword def?\n if (!PREVENT_SCOPE_CHANGE.has(part) && typeof schema == \"object\" && schema.$id) {\n baseId = resolve_1.resolveUrl(baseId, schema.$id);\n }\n }\n let env;\n if (typeof schema != \"boolean\" && schema.$ref && !util_1.schemaHasRulesButRef(schema, this.RULES)) {\n const $ref = resolve_1.resolveUrl(baseId, schema.$ref);\n env = resolveSchema.call(this, root, $ref);\n }\n // even though resolution failed we need to return SchemaEnv to throw exception\n // so that compileAsync loads missing schema.\n env = env || new SchemaEnv({ schema, root, baseId });\n if (env.schema !== env.root.schema)\n return env;\n return undefined;\n}\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"./codegen\");\nconst names = {\n // validation function arguments\n data: new codegen_1.Name(\"data\"),\n // args passed from referencing schema\n valCxt: new codegen_1.Name(\"valCxt\"),\n dataPath: new codegen_1.Name(\"dataPath\"),\n parentData: new codegen_1.Name(\"parentData\"),\n parentDataProperty: new codegen_1.Name(\"parentDataProperty\"),\n rootData: new codegen_1.Name(\"rootData\"),\n dynamicAnchors: new codegen_1.Name(\"dynamicAnchors\"),\n // function scoped variables\n vErrors: new codegen_1.Name(\"vErrors\"),\n errors: new codegen_1.Name(\"errors\"),\n this: new codegen_1.Name(\"this\"),\n // \"globals\"\n self: new codegen_1.Name(\"self\"),\n scope: new codegen_1.Name(\"scope\"),\n // JTD serialize/parse name for JSON string and position\n json: new codegen_1.Name(\"json\"),\n jsonPos: new codegen_1.Name(\"jsonPos\"),\n jsonLen: new codegen_1.Name(\"jsonLen\"),\n jsonPart: new codegen_1.Name(\"jsonPart\"),\n};\nexports.default = names;\n//# sourceMappingURL=names.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getSchemaRefs = exports.resolveUrl = exports.normalizeId = exports._getFullPath = exports.getFullPath = exports.inlineRef = void 0;\nconst util_1 = require(\"./util\");\nconst equal = require(\"fast-deep-equal\");\nconst traverse = require(\"json-schema-traverse\");\nconst URI = require(\"uri-js\");\n// TODO refactor to use keyword definitions\nconst SIMPLE_INLINED = new Set([\n \"type\",\n \"format\",\n \"pattern\",\n \"maxLength\",\n \"minLength\",\n \"maxProperties\",\n \"minProperties\",\n \"maxItems\",\n \"minItems\",\n \"maximum\",\n \"minimum\",\n \"uniqueItems\",\n \"multipleOf\",\n \"required\",\n \"enum\",\n \"const\",\n]);\nfunction inlineRef(schema, limit = true) {\n if (typeof schema == \"boolean\")\n return true;\n if (limit === true)\n return !hasRef(schema);\n if (!limit)\n return false;\n return countKeys(schema) <= limit;\n}\nexports.inlineRef = inlineRef;\nconst REF_KEYWORDS = new Set([\n \"$ref\",\n \"$recursiveRef\",\n \"$recursiveAnchor\",\n \"$dynamicRef\",\n \"$dynamicAnchor\",\n]);\nfunction hasRef(schema) {\n for (const key in schema) {\n if (REF_KEYWORDS.has(key))\n return true;\n const sch = schema[key];\n if (Array.isArray(sch) && sch.some(hasRef))\n return true;\n if (typeof sch == \"object\" && hasRef(sch))\n return true;\n }\n return false;\n}\nfunction countKeys(schema) {\n let count = 0;\n for (const key in schema) {\n if (key === \"$ref\")\n return Infinity;\n count++;\n if (SIMPLE_INLINED.has(key))\n continue;\n if (typeof schema[key] == \"object\") {\n util_1.eachItem(schema[key], (sch) => (count += countKeys(sch)));\n }\n if (count === Infinity)\n return Infinity;\n }\n return count;\n}\nfunction getFullPath(id = \"\", normalize) {\n if (normalize !== false)\n id = normalizeId(id);\n const p = URI.parse(id);\n return _getFullPath(p);\n}\nexports.getFullPath = getFullPath;\nfunction _getFullPath(p) {\n return URI.serialize(p).split(\"#\")[0] + \"#\";\n}\nexports._getFullPath = _getFullPath;\nconst TRAILING_SLASH_HASH = /#\\/?$/;\nfunction normalizeId(id) {\n return id ? id.replace(TRAILING_SLASH_HASH, \"\") : \"\";\n}\nexports.normalizeId = normalizeId;\nfunction resolveUrl(baseId, id) {\n id = normalizeId(id);\n return URI.resolve(baseId, id);\n}\nexports.resolveUrl = resolveUrl;\nconst ANCHOR = /^[a-z_][-a-z0-9._]*$/i;\nfunction getSchemaRefs(schema) {\n if (typeof schema == \"boolean\")\n return {};\n const schemaId = normalizeId(schema.$id);\n const baseIds = { \"\": schemaId };\n const pathPrefix = getFullPath(schemaId, false);\n const localRefs = {};\n const schemaRefs = new Set();\n traverse(schema, { allKeys: true }, (sch, jsonPtr, _, parentJsonPtr) => {\n if (parentJsonPtr === undefined)\n return;\n const fullPath = pathPrefix + jsonPtr;\n let baseId = baseIds[parentJsonPtr];\n if (typeof sch.$id == \"string\")\n baseId = addRef.call(this, sch.$id);\n addAnchor.call(this, sch.$anchor);\n addAnchor.call(this, sch.$dynamicAnchor);\n baseIds[jsonPtr] = baseId;\n function addRef(ref) {\n ref = normalizeId(baseId ? URI.resolve(baseId, ref) : ref);\n if (schemaRefs.has(ref))\n throw ambiguos(ref);\n schemaRefs.add(ref);\n let schOrRef = this.refs[ref];\n if (typeof schOrRef == \"string\")\n schOrRef = this.refs[schOrRef];\n if (typeof schOrRef == \"object\") {\n checkAmbiguosRef(sch, schOrRef.schema, ref);\n }\n else if (ref !== normalizeId(fullPath)) {\n if (ref[0] === \"#\") {\n checkAmbiguosRef(sch, localRefs[ref], ref);\n localRefs[ref] = sch;\n }\n else {\n this.refs[ref] = fullPath;\n }\n }\n return ref;\n }\n function addAnchor(anchor) {\n if (typeof anchor == \"string\") {\n if (!ANCHOR.test(anchor))\n throw new Error(`invalid anchor \"${anchor}\"`);\n addRef.call(this, `#${anchor}`);\n }\n }\n });\n return localRefs;\n function checkAmbiguosRef(sch1, sch2, ref) {\n if (sch2 !== undefined && !equal(sch1, sch2))\n throw ambiguos(ref);\n }\n function ambiguos(ref) {\n return new Error(`reference \"${ref}\" resolves to more than one schema`);\n }\n}\nexports.getSchemaRefs = getSchemaRefs;\n//# sourceMappingURL=resolve.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getRules = exports.isJSONType = void 0;\nconst _jsonTypes = [\"string\", \"number\", \"integer\", \"boolean\", \"null\", \"object\", \"array\"];\nconst jsonTypes = new Set(_jsonTypes);\nfunction isJSONType(x) {\n return typeof x == \"string\" && jsonTypes.has(x);\n}\nexports.isJSONType = isJSONType;\nfunction getRules() {\n const groups = {\n number: { type: \"number\", rules: [] },\n string: { type: \"string\", rules: [] },\n array: { type: \"array\", rules: [] },\n object: { type: \"object\", rules: [] },\n };\n return {\n types: { ...groups, integer: true, boolean: true, null: true },\n rules: [{ rules: [] }, groups.number, groups.string, groups.array, groups.object],\n post: { rules: [] },\n all: {},\n keywords: {},\n };\n}\nexports.getRules = getRules;\n//# sourceMappingURL=rules.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.applySubschema = exports.Type = void 0;\nconst validate_1 = require(\"./validate\");\nconst util_1 = require(\"./util\");\nconst codegen_1 = require(\"./codegen\");\nvar Type;\n(function (Type) {\n Type[Type[\"Num\"] = 0] = \"Num\";\n Type[Type[\"Str\"] = 1] = \"Str\";\n})(Type = exports.Type || (exports.Type = {}));\nfunction applySubschema(it, appl, valid) {\n const subschema = getSubschema(it, appl);\n extendSubschemaData(subschema, it, appl);\n extendSubschemaMode(subschema, appl);\n const nextContext = { ...it, ...subschema, items: undefined, props: undefined };\n validate_1.subschemaCode(nextContext, valid);\n return nextContext;\n}\nexports.applySubschema = applySubschema;\nfunction getSubschema(it, { keyword, schemaProp, schema, schemaPath, errSchemaPath, topSchemaRef }) {\n if (keyword !== undefined && schema !== undefined) {\n throw new Error('both \"keyword\" and \"schema\" passed, only one allowed');\n }\n if (keyword !== undefined) {\n const sch = it.schema[keyword];\n return schemaProp === undefined\n ? {\n schema: sch,\n schemaPath: codegen_1._ `${it.schemaPath}${codegen_1.getProperty(keyword)}`,\n errSchemaPath: `${it.errSchemaPath}/${keyword}`,\n }\n : {\n schema: sch[schemaProp],\n schemaPath: codegen_1._ `${it.schemaPath}${codegen_1.getProperty(keyword)}${codegen_1.getProperty(schemaProp)}`,\n errSchemaPath: `${it.errSchemaPath}/${keyword}/${util_1.escapeFragment(schemaProp)}`,\n };\n }\n if (schema !== undefined) {\n if (schemaPath === undefined || errSchemaPath === undefined || topSchemaRef === undefined) {\n throw new Error('\"schemaPath\", \"errSchemaPath\" and \"topSchemaRef\" are required with \"schema\"');\n }\n return {\n schema,\n schemaPath,\n topSchemaRef,\n errSchemaPath,\n };\n }\n throw new Error('either \"keyword\" or \"schema\" must be passed');\n}\nfunction extendSubschemaData(subschema, it, { dataProp, dataPropType: dpType, data, dataTypes, propertyName }) {\n if (data !== undefined && dataProp !== undefined) {\n throw new Error('both \"data\" and \"dataProp\" passed, only one allowed');\n }\n const { gen } = it;\n if (dataProp !== undefined) {\n const { errorPath, dataPathArr, opts } = it;\n const nextData = gen.let(\"data\", codegen_1._ `${it.data}${codegen_1.getProperty(dataProp)}`, true);\n dataContextProps(nextData);\n subschema.errorPath = codegen_1.str `${errorPath}${getErrorPath(dataProp, dpType, opts.jsPropertySyntax)}`;\n subschema.parentDataProperty = codegen_1._ `${dataProp}`;\n subschema.dataPathArr = [...dataPathArr, subschema.parentDataProperty];\n }\n if (data !== undefined) {\n const nextData = data instanceof codegen_1.Name ? data : gen.let(\"data\", data, true); // replaceable if used once?\n dataContextProps(nextData);\n if (propertyName !== undefined)\n subschema.propertyName = propertyName;\n // TODO something is possibly wrong here with not changing parentDataProperty and not appending dataPathArr\n }\n if (dataTypes)\n subschema.dataTypes = dataTypes;\n function dataContextProps(_nextData) {\n subschema.data = _nextData;\n subschema.dataLevel = it.dataLevel + 1;\n subschema.dataTypes = [];\n it.definedProperties = new Set();\n subschema.parentData = it.data;\n subschema.dataNames = [...it.dataNames, _nextData];\n }\n}\nfunction extendSubschemaMode(subschema, { jtdDiscriminator, jtdMetadata, compositeRule, createErrors, allErrors }) {\n if (compositeRule !== undefined)\n subschema.compositeRule = compositeRule;\n if (createErrors !== undefined)\n subschema.createErrors = createErrors;\n if (allErrors !== undefined)\n subschema.allErrors = allErrors;\n subschema.jtdDiscriminator = jtdDiscriminator; // not inherited\n subschema.jtdMetadata = jtdMetadata; // not inherited\n}\nfunction getErrorPath(dataProp, dataPropType, jsPropertySyntax) {\n // let path\n if (dataProp instanceof codegen_1.Name) {\n const isNumber = dataPropType === Type.Num;\n return jsPropertySyntax\n ? isNumber\n ? codegen_1._ `\"[\" + ${dataProp} + \"]\"`\n : codegen_1._ `\"['\" + ${dataProp} + \"']\"`\n : isNumber\n ? codegen_1._ `\"/\" + ${dataProp}`\n : codegen_1._ `\"/\" + ${dataProp}.replace(/~/g, \"~0\").replace(/\\\\//g, \"~1\")`; // TODO maybe use global escapePointer\n }\n return jsPropertySyntax ? codegen_1.getProperty(dataProp).toString() : \"/\" + util_1.escapeJsonPointer(dataProp);\n}\n//# sourceMappingURL=subschema.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\n// https://mathiasbynens.be/notes/javascript-encoding\n// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode\nfunction ucs2length(str) {\n const len = str.length;\n let length = 0;\n let pos = 0;\n let value;\n while (pos < len) {\n length++;\n value = str.charCodeAt(pos++);\n if (value >= 0xd800 && value <= 0xdbff && pos < len) {\n // high surrogate, and there is a next character\n value = str.charCodeAt(pos);\n if ((value & 0xfc00) === 0xdc00)\n pos++; // low surrogate\n }\n }\n return length;\n}\nexports.default = ucs2length;\n//# sourceMappingURL=ucs2length.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.func = exports.setEvaluated = exports.evaluatedPropsToName = exports.mergeEvaluated = exports.eachItem = exports.unescapeJsonPointer = exports.escapeJsonPointer = exports.escapeFragment = exports.unescapeFragment = exports.schemaRefOrVal = exports.schemaHasRulesButRef = exports.schemaHasRules = exports.checkUnknownRules = exports.alwaysValidSchema = exports.toHash = void 0;\nconst codegen_1 = require(\"./codegen\");\nconst validate_1 = require(\"./validate\");\n// TODO refactor to use Set\nfunction toHash(arr) {\n const hash = {};\n for (const item of arr)\n hash[item] = true;\n return hash;\n}\nexports.toHash = toHash;\nfunction alwaysValidSchema(it, schema) {\n if (typeof schema == \"boolean\")\n return schema;\n if (Object.keys(schema).length === 0)\n return true;\n checkUnknownRules(it, schema);\n return !schemaHasRules(schema, it.self.RULES.all);\n}\nexports.alwaysValidSchema = alwaysValidSchema;\nfunction checkUnknownRules(it, schema = it.schema) {\n const { opts, self } = it;\n if (!opts.strict)\n return;\n if (typeof schema === \"boolean\")\n return;\n const rules = self.RULES.keywords;\n for (const key in schema) {\n if (!rules[key])\n validate_1.checkStrictMode(it, `unknown keyword: \"${key}\"`);\n }\n}\nexports.checkUnknownRules = checkUnknownRules;\nfunction schemaHasRules(schema, rules) {\n if (typeof schema == \"boolean\")\n return !schema;\n for (const key in schema)\n if (rules[key])\n return true;\n return false;\n}\nexports.schemaHasRules = schemaHasRules;\nfunction schemaHasRulesButRef(schema, RULES) {\n if (typeof schema == \"boolean\")\n return !schema;\n for (const key in schema)\n if (key !== \"$ref\" && RULES.all[key])\n return true;\n return false;\n}\nexports.schemaHasRulesButRef = schemaHasRulesButRef;\nfunction schemaRefOrVal({ topSchemaRef, schemaPath }, schema, keyword, $data) {\n if (!$data) {\n if (typeof schema == \"number\" || typeof schema == \"boolean\")\n return schema;\n if (typeof schema == \"string\")\n return codegen_1._ `${schema}`;\n }\n return codegen_1._ `${topSchemaRef}${schemaPath}${codegen_1.getProperty(keyword)}`;\n}\nexports.schemaRefOrVal = schemaRefOrVal;\nfunction unescapeFragment(str) {\n return unescapeJsonPointer(decodeURIComponent(str));\n}\nexports.unescapeFragment = unescapeFragment;\nfunction escapeFragment(str) {\n return encodeURIComponent(escapeJsonPointer(str));\n}\nexports.escapeFragment = escapeFragment;\nfunction escapeJsonPointer(str) {\n if (typeof str == \"number\")\n return `${str}`;\n return str.replace(/~/g, \"~0\").replace(/\\//g, \"~1\");\n}\nexports.escapeJsonPointer = escapeJsonPointer;\nfunction unescapeJsonPointer(str) {\n return str.replace(/~1/g, \"/\").replace(/~0/g, \"~\");\n}\nexports.unescapeJsonPointer = unescapeJsonPointer;\nfunction eachItem(xs, f) {\n if (Array.isArray(xs)) {\n for (const x of xs)\n f(x);\n }\n else {\n f(xs);\n }\n}\nexports.eachItem = eachItem;\nfunction makeMergeEvaluated({ mergeNames, mergeToName, mergeValues, resultToName, }) {\n return (gen, from, to, toName) => {\n const res = to === undefined\n ? from\n : to instanceof codegen_1.Name\n ? (from instanceof codegen_1.Name ? mergeNames(gen, from, to) : mergeToName(gen, from, to), to)\n : from instanceof codegen_1.Name\n ? (mergeToName(gen, to, from), from)\n : mergeValues(from, to);\n return toName === codegen_1.Name && !(res instanceof codegen_1.Name) ? resultToName(gen, res) : res;\n };\n}\nexports.mergeEvaluated = {\n props: makeMergeEvaluated({\n mergeNames: (gen, from, to) => gen.if(codegen_1._ `${to} !== true && ${from} !== undefined`, () => {\n gen.if(codegen_1._ `${from} === true`, () => gen.assign(to, true), () => gen.assign(to, codegen_1._ `${to} || {}`).code(codegen_1._ `Object.assign(${to}, ${from})`));\n }),\n mergeToName: (gen, from, to) => gen.if(codegen_1._ `${to} !== true`, () => {\n if (from === true) {\n gen.assign(to, true);\n }\n else {\n gen.assign(to, codegen_1._ `${to} || {}`);\n setEvaluated(gen, to, from);\n }\n }),\n mergeValues: (from, to) => (from === true ? true : { ...from, ...to }),\n resultToName: evaluatedPropsToName,\n }),\n items: makeMergeEvaluated({\n mergeNames: (gen, from, to) => gen.if(codegen_1._ `${to} !== true && ${from} !== undefined`, () => gen.assign(to, codegen_1._ `${from} === true ? true : ${to} > ${from} ? ${to} : ${from}`)),\n mergeToName: (gen, from, to) => gen.if(codegen_1._ `${to} !== true`, () => gen.assign(to, from === true ? true : codegen_1._ `${to} > ${from} ? ${to} : ${from}`)),\n mergeValues: (from, to) => (from === true ? true : Math.max(from, to)),\n resultToName: (gen, items) => gen.var(\"items\", items),\n }),\n};\nfunction evaluatedPropsToName(gen, ps) {\n if (ps === true)\n return gen.var(\"props\", true);\n const props = gen.var(\"props\", codegen_1._ `{}`);\n if (ps !== undefined)\n setEvaluated(gen, props, ps);\n return props;\n}\nexports.evaluatedPropsToName = evaluatedPropsToName;\nfunction setEvaluated(gen, props, ps) {\n Object.keys(ps).forEach((p) => gen.assign(codegen_1._ `${props}${codegen_1.getProperty(p)}`, true));\n}\nexports.setEvaluated = setEvaluated;\nfunction func(gen, f) {\n return gen.scopeValue(\"func\", {\n ref: f,\n code: f.code,\n });\n}\nexports.func = func;\n//# sourceMappingURL=util.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.shouldUseRule = exports.shouldUseGroup = exports.schemaHasRulesForType = void 0;\nfunction schemaHasRulesForType({ schema, self }, type) {\n const group = self.RULES.types[type];\n return group && group !== true && shouldUseGroup(schema, group);\n}\nexports.schemaHasRulesForType = schemaHasRulesForType;\nfunction shouldUseGroup(schema, group) {\n return group.rules.some((rule) => shouldUseRule(schema, rule));\n}\nexports.shouldUseGroup = shouldUseGroup;\nfunction shouldUseRule(schema, rule) {\n var _a;\n return (schema[rule.keyword] !== undefined ||\n ((_a = rule.definition.implements) === null || _a === void 0 ? void 0 : _a.some((kwd) => schema[kwd] !== undefined)));\n}\nexports.shouldUseRule = shouldUseRule;\n//# sourceMappingURL=applicability.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.boolOrEmptySchema = exports.topBoolOrEmptySchema = void 0;\nconst errors_1 = require(\"../errors\");\nconst codegen_1 = require(\"../codegen\");\nconst names_1 = require(\"../names\");\nconst boolError = {\n message: \"boolean schema is false\",\n};\nfunction topBoolOrEmptySchema(it) {\n const { gen, schema, validateName } = it;\n if (schema === false) {\n falseSchemaError(it, false);\n }\n else if (typeof schema == \"object\" && schema.$async === true) {\n gen.return(names_1.default.data);\n }\n else {\n gen.assign(codegen_1._ `${validateName}.errors`, null);\n gen.return(true);\n }\n}\nexports.topBoolOrEmptySchema = topBoolOrEmptySchema;\nfunction boolOrEmptySchema(it, valid) {\n const { gen, schema } = it;\n if (schema === false) {\n gen.var(valid, false); // TODO var\n falseSchemaError(it);\n }\n else {\n gen.var(valid, true); // TODO var\n }\n}\nexports.boolOrEmptySchema = boolOrEmptySchema;\nfunction falseSchemaError(it, overrideAllErrors) {\n const { gen, data } = it;\n // TODO maybe some other interface should be used for non-keyword validation errors...\n const cxt = {\n gen,\n keyword: \"false schema\",\n data,\n schema: false,\n schemaCode: false,\n schemaValue: false,\n params: {},\n it,\n };\n errors_1.reportError(cxt, boolError, overrideAllErrors);\n}\n//# sourceMappingURL=boolSchema.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.reportTypeError = exports.checkDataTypes = exports.checkDataType = exports.coerceAndCheckDataType = exports.getJSONTypes = exports.getSchemaTypes = exports.DataType = void 0;\nconst rules_1 = require(\"../rules\");\nconst applicability_1 = require(\"./applicability\");\nconst errors_1 = require(\"../errors\");\nconst codegen_1 = require(\"../codegen\");\nconst util_1 = require(\"../util\");\nvar DataType;\n(function (DataType) {\n DataType[DataType[\"Correct\"] = 0] = \"Correct\";\n DataType[DataType[\"Wrong\"] = 1] = \"Wrong\";\n})(DataType = exports.DataType || (exports.DataType = {}));\nfunction getSchemaTypes(schema) {\n const types = getJSONTypes(schema.type);\n const hasNull = types.includes(\"null\");\n if (hasNull) {\n if (schema.nullable === false)\n throw new Error(\"type: null contradicts nullable: false\");\n }\n else {\n if (!types.length && schema.nullable !== undefined) {\n throw new Error('\"nullable\" cannot be used without \"type\"');\n }\n if (schema.nullable === true)\n types.push(\"null\");\n }\n return types;\n}\nexports.getSchemaTypes = getSchemaTypes;\nfunction getJSONTypes(ts) {\n const types = Array.isArray(ts) ? ts : ts ? [ts] : [];\n if (types.every(rules_1.isJSONType))\n return types;\n throw new Error(\"type must be JSONType or JSONType[]: \" + types.join(\",\"));\n}\nexports.getJSONTypes = getJSONTypes;\nfunction coerceAndCheckDataType(it, types) {\n const { gen, data, opts } = it;\n const coerceTo = coerceToTypes(types, opts.coerceTypes);\n const checkTypes = types.length > 0 &&\n !(coerceTo.length === 0 && types.length === 1 && applicability_1.schemaHasRulesForType(it, types[0]));\n if (checkTypes) {\n const wrongType = checkDataTypes(types, data, opts.strict, DataType.Wrong);\n gen.if(wrongType, () => {\n if (coerceTo.length)\n coerceData(it, types, coerceTo);\n else\n reportTypeError(it);\n });\n }\n return checkTypes;\n}\nexports.coerceAndCheckDataType = coerceAndCheckDataType;\nconst COERCIBLE = new Set([\"string\", \"number\", \"integer\", \"boolean\", \"null\"]);\nfunction coerceToTypes(types, coerceTypes) {\n return coerceTypes\n ? types.filter((t) => COERCIBLE.has(t) || (coerceTypes === \"array\" && t === \"array\"))\n : [];\n}\nfunction coerceData(it, types, coerceTo) {\n const { gen, data, opts } = it;\n const dataType = gen.let(\"dataType\", codegen_1._ `typeof ${data}`);\n const coerced = gen.let(\"coerced\", codegen_1._ `undefined`);\n if (opts.coerceTypes === \"array\") {\n gen.if(codegen_1._ `${dataType} == 'object' && Array.isArray(${data}) && ${data}.length == 1`, () => gen\n .assign(data, codegen_1._ `${data}[0]`)\n .assign(dataType, codegen_1._ `typeof ${data}`)\n .if(checkDataTypes(types, data, opts.strict), () => gen.assign(coerced, data)));\n }\n gen.if(codegen_1._ `${coerced} !== undefined`);\n for (const t of coerceTo) {\n if (COERCIBLE.has(t) || (t === \"array\" && opts.coerceTypes === \"array\")) {\n coerceSpecificType(t);\n }\n }\n gen.else();\n reportTypeError(it);\n gen.endIf();\n gen.if(codegen_1._ `${coerced} !== undefined`, () => {\n gen.assign(data, coerced);\n assignParentData(it, coerced);\n });\n function coerceSpecificType(t) {\n switch (t) {\n case \"string\":\n gen\n .elseIf(codegen_1._ `${dataType} == \"number\" || ${dataType} == \"boolean\"`)\n .assign(coerced, codegen_1._ `\"\" + ${data}`)\n .elseIf(codegen_1._ `${data} === null`)\n .assign(coerced, codegen_1._ `\"\"`);\n return;\n case \"number\":\n gen\n .elseIf(codegen_1._ `${dataType} == \"boolean\" || ${data} === null\n || (${dataType} == \"string\" && ${data} && ${data} == +${data})`)\n .assign(coerced, codegen_1._ `+${data}`);\n return;\n case \"integer\":\n gen\n .elseIf(codegen_1._ `${dataType} === \"boolean\" || ${data} === null\n || (${dataType} === \"string\" && ${data} && ${data} == +${data} && !(${data} % 1))`)\n .assign(coerced, codegen_1._ `+${data}`);\n return;\n case \"boolean\":\n gen\n .elseIf(codegen_1._ `${data} === \"false\" || ${data} === 0 || ${data} === null`)\n .assign(coerced, false)\n .elseIf(codegen_1._ `${data} === \"true\" || ${data} === 1`)\n .assign(coerced, true);\n return;\n case \"null\":\n gen.elseIf(codegen_1._ `${data} === \"\" || ${data} === 0 || ${data} === false`);\n gen.assign(coerced, null);\n return;\n case \"array\":\n gen\n .elseIf(codegen_1._ `${dataType} === \"string\" || ${dataType} === \"number\"\n || ${dataType} === \"boolean\" || ${data} === null`)\n .assign(coerced, codegen_1._ `[${data}]`);\n }\n }\n}\nfunction assignParentData({ gen, parentData, parentDataProperty }, expr) {\n // TODO use gen.property\n gen.if(codegen_1._ `${parentData} !== undefined`, () => gen.assign(codegen_1._ `${parentData}[${parentDataProperty}]`, expr));\n}\nfunction checkDataType(dataType, data, strictNums, correct = DataType.Correct) {\n const EQ = correct === DataType.Correct ? codegen_1.operators.EQ : codegen_1.operators.NEQ;\n let cond;\n switch (dataType) {\n case \"null\":\n return codegen_1._ `${data} ${EQ} null`;\n case \"array\":\n cond = codegen_1._ `Array.isArray(${data})`;\n break;\n case \"object\":\n cond = codegen_1._ `${data} && typeof ${data} == \"object\" && !Array.isArray(${data})`;\n break;\n case \"integer\":\n cond = numCond(codegen_1._ `!(${data} % 1) && !isNaN(${data})`);\n break;\n case \"number\":\n cond = numCond();\n break;\n default:\n return codegen_1._ `typeof ${data} ${EQ} ${dataType}`;\n }\n return correct === DataType.Correct ? cond : codegen_1.not(cond);\n function numCond(_cond = codegen_1.nil) {\n return codegen_1.and(codegen_1._ `typeof ${data} == \"number\"`, _cond, strictNums ? codegen_1._ `isFinite(${data})` : codegen_1.nil);\n }\n}\nexports.checkDataType = checkDataType;\nfunction checkDataTypes(dataTypes, data, strictNums, correct) {\n if (dataTypes.length === 1) {\n return checkDataType(dataTypes[0], data, strictNums, correct);\n }\n let cond;\n const types = util_1.toHash(dataTypes);\n if (types.array && types.object) {\n const notObj = codegen_1._ `typeof ${data} != \"object\"`;\n cond = types.null ? notObj : codegen_1._ `!${data} || ${notObj}`;\n delete types.null;\n delete types.array;\n delete types.object;\n }\n else {\n cond = codegen_1.nil;\n }\n if (types.number)\n delete types.integer;\n for (const t in types)\n cond = codegen_1.and(cond, checkDataType(t, data, strictNums, correct));\n return cond;\n}\nexports.checkDataTypes = checkDataTypes;\nconst typeError = {\n message: ({ schema }) => codegen_1.str `should be ${schema}`,\n params: ({ schema, schemaValue }) => typeof schema == \"string\" ? codegen_1._ `{type: ${schema}}` : codegen_1._ `{type: ${schemaValue}}`,\n};\nfunction reportTypeError(it) {\n const cxt = getTypeErrorContext(it);\n errors_1.reportError(cxt, typeError);\n}\nexports.reportTypeError = reportTypeError;\nfunction getTypeErrorContext(it) {\n const { gen, data, schema } = it;\n const schemaCode = util_1.schemaRefOrVal(it, schema, \"type\");\n return {\n gen,\n keyword: \"type\",\n data,\n schema: schema.type,\n schemaCode,\n schemaValue: schemaCode,\n parentSchema: schema,\n params: {},\n it,\n };\n}\n//# sourceMappingURL=dataType.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.assignDefaults = void 0;\nconst codegen_1 = require(\"../codegen\");\nconst _1 = require(\".\");\nfunction assignDefaults(it, ty) {\n const { properties, items } = it.schema;\n if (ty === \"object\" && properties) {\n for (const key in properties) {\n assignDefault(it, key, properties[key].default);\n }\n }\n else if (ty === \"array\" && Array.isArray(items)) {\n items.forEach((sch, i) => assignDefault(it, i, sch.default));\n }\n}\nexports.assignDefaults = assignDefaults;\nfunction assignDefault(it, prop, defaultValue) {\n const { gen, compositeRule, data, opts } = it;\n if (defaultValue === undefined)\n return;\n const childData = codegen_1._ `${data}${codegen_1.getProperty(prop)}`;\n if (compositeRule) {\n _1.checkStrictMode(it, `default is ignored for: ${childData}`);\n return;\n }\n let condition = codegen_1._ `${childData} === undefined`;\n if (opts.useDefaults === \"empty\") {\n condition = codegen_1._ `${condition} || ${childData} === null || ${childData} === \"\"`;\n }\n // `${childData} === undefined` +\n // (opts.useDefaults === \"empty\" ? ` || ${childData} === null || ${childData} === \"\"` : \"\")\n gen.if(condition, codegen_1._ `${childData} = ${codegen_1.stringify(defaultValue)}`);\n}\n//# sourceMappingURL=defaults.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.checkStrictMode = exports.schemaCxtHasRules = exports.subschemaCode = exports.validateFunctionCode = void 0;\nconst boolSchema_1 = require(\"./boolSchema\");\nconst dataType_1 = require(\"./dataType\");\nconst iterate_1 = require(\"./iterate\");\nconst codegen_1 = require(\"../codegen\");\nconst names_1 = require(\"../names\");\nconst resolve_1 = require(\"../resolve\");\nconst util_1 = require(\"../util\");\n// schema compilation - generates validation function, subschemaCode (below) is used for subschemas\nfunction validateFunctionCode(it) {\n if (isSchemaObj(it)) {\n checkKeywords(it);\n if (schemaCxtHasRules(it)) {\n topSchemaObjCode(it);\n return;\n }\n }\n validateFunction(it, () => boolSchema_1.topBoolOrEmptySchema(it));\n}\nexports.validateFunctionCode = validateFunctionCode;\nfunction validateFunction({ gen, validateName, schema, schemaEnv, opts }, body) {\n if (opts.code.es5) {\n gen.func(validateName, codegen_1._ `${names_1.default.data}, ${names_1.default.valCxt}`, schemaEnv.$async, () => {\n gen.code(codegen_1._ `\"use strict\"; ${funcSourceUrl(schema, opts)}`);\n destructureValCxtES5(gen, opts);\n gen.code(body);\n });\n }\n else {\n gen.func(validateName, codegen_1._ `${names_1.default.data}, ${destructureValCxt(opts)}`, schemaEnv.$async, () => gen.code(funcSourceUrl(schema, opts)).code(body));\n }\n}\nfunction destructureValCxt(opts) {\n return codegen_1._ `{${names_1.default.dataPath}=\"\", ${names_1.default.parentData}, ${names_1.default.parentDataProperty}, ${names_1.default.rootData}=${names_1.default.data}${opts.dynamicRef ? codegen_1._ `, ${names_1.default.dynamicAnchors}={}` : codegen_1.nil}}={}`;\n}\nfunction destructureValCxtES5(gen, opts) {\n gen.if(names_1.default.valCxt, () => {\n gen.var(names_1.default.dataPath, codegen_1._ `${names_1.default.valCxt}.${names_1.default.dataPath}`);\n gen.var(names_1.default.parentData, codegen_1._ `${names_1.default.valCxt}.${names_1.default.parentData}`);\n gen.var(names_1.default.parentDataProperty, codegen_1._ `${names_1.default.valCxt}.${names_1.default.parentDataProperty}`);\n gen.var(names_1.default.rootData, codegen_1._ `${names_1.default.valCxt}.${names_1.default.rootData}`);\n if (opts.dynamicRef)\n gen.var(names_1.default.dynamicAnchors, codegen_1._ `${names_1.default.valCxt}.${names_1.default.dynamicAnchors}`);\n }, () => {\n gen.var(names_1.default.dataPath, codegen_1._ `\"\"`);\n gen.var(names_1.default.parentData, codegen_1._ `undefined`);\n gen.var(names_1.default.parentDataProperty, codegen_1._ `undefined`);\n gen.var(names_1.default.rootData, names_1.default.data);\n if (opts.dynamicRef)\n gen.var(names_1.default.dynamicAnchors, codegen_1._ `{}`);\n });\n}\nfunction topSchemaObjCode(it) {\n const { schema, opts, gen } = it;\n validateFunction(it, () => {\n if (opts.$comment && schema.$comment)\n commentKeyword(it);\n checkNoDefault(it);\n gen.let(names_1.default.vErrors, null);\n gen.let(names_1.default.errors, 0);\n if (opts.unevaluated)\n resetEvaluated(it);\n typeAndKeywords(it);\n returnResults(it);\n });\n return;\n}\nfunction resetEvaluated(it) {\n // TODO maybe some hook to execute it in the end to check whether props/items are Name, as in assignEvaluated\n const { gen, validateName } = it;\n it.evaluated = gen.const(\"evaluated\", codegen_1._ `${validateName}.evaluated`);\n gen.if(codegen_1._ `${it.evaluated}.dynamicProps`, () => gen.assign(codegen_1._ `${it.evaluated}.props`, codegen_1._ `undefined`));\n gen.if(codegen_1._ `${it.evaluated}.dynamicItems`, () => gen.assign(codegen_1._ `${it.evaluated}.items`, codegen_1._ `undefined`));\n}\nfunction funcSourceUrl(schema, opts) {\n return typeof schema == \"object\" && schema.$id && (opts.code.source || opts.code.process)\n ? codegen_1._ `/*# sourceURL=${schema.$id} */`\n : codegen_1.nil;\n}\n// schema compilation - this function is used recursively to generate code for sub-schemas\nfunction subschemaCode(it, valid) {\n if (isSchemaObj(it)) {\n checkKeywords(it);\n if (schemaCxtHasRules(it)) {\n subSchemaObjCode(it, valid);\n return;\n }\n }\n boolSchema_1.boolOrEmptySchema(it, valid);\n}\nexports.subschemaCode = subschemaCode;\nfunction schemaCxtHasRules({ schema, self }) {\n if (typeof schema == \"boolean\")\n return !schema;\n for (const key in schema)\n if (self.RULES.all[key])\n return true;\n return false;\n}\nexports.schemaCxtHasRules = schemaCxtHasRules;\nfunction isSchemaObj(it) {\n return typeof it.schema != \"boolean\";\n}\nfunction subSchemaObjCode(it, valid) {\n const { schema, gen, opts } = it;\n if (opts.$comment && schema.$comment)\n commentKeyword(it);\n updateContext(it);\n checkAsync(it);\n const errsCount = gen.const(\"_errs\", names_1.default.errors);\n typeAndKeywords(it, errsCount);\n // TODO var\n gen.var(valid, codegen_1._ `${errsCount} === ${names_1.default.errors}`);\n}\nfunction checkKeywords(it) {\n util_1.checkUnknownRules(it);\n checkRefsAndKeywords(it);\n}\nfunction typeAndKeywords(it, errsCount) {\n if (it.opts.jtd)\n return iterate_1.schemaKeywords(it, [], false, errsCount);\n const types = dataType_1.getSchemaTypes(it.schema);\n const checkedTypes = dataType_1.coerceAndCheckDataType(it, types);\n iterate_1.schemaKeywords(it, types, !checkedTypes, errsCount);\n}\nfunction checkRefsAndKeywords(it) {\n const { schema, errSchemaPath, opts, self } = it;\n if (schema.$ref && opts.ignoreKeywordsWithRef && util_1.schemaHasRulesButRef(schema, self.RULES)) {\n self.logger.warn(`$ref: keywords ignored in schema at path \"${errSchemaPath}\"`);\n }\n}\nfunction checkNoDefault(it) {\n const { schema, opts } = it;\n if (schema.default !== undefined && opts.useDefaults && opts.strict) {\n checkStrictMode(it, \"default is ignored in the schema root\");\n }\n}\nfunction updateContext(it) {\n if (it.schema.$id)\n it.baseId = resolve_1.resolveUrl(it.baseId, it.schema.$id);\n}\nfunction checkAsync(it) {\n if (it.schema.$async && !it.schemaEnv.$async)\n throw new Error(\"async schema in sync schema\");\n}\nfunction commentKeyword({ gen, schemaEnv, schema, errSchemaPath, opts }) {\n const msg = schema.$comment;\n if (opts.$comment === true) {\n gen.code(codegen_1._ `${names_1.default.self}.logger.log(${msg})`);\n }\n else if (typeof opts.$comment == \"function\") {\n const schemaPath = codegen_1.str `${errSchemaPath}/$comment`;\n const rootName = gen.scopeValue(\"root\", { ref: schemaEnv.root });\n gen.code(codegen_1._ `${names_1.default.self}.opts.$comment(${msg}, ${schemaPath}, ${rootName}.schema)`);\n }\n}\nfunction returnResults(it) {\n const { gen, schemaEnv, validateName, ValidationError, opts } = it;\n if (schemaEnv.$async) {\n // TODO assign unevaluated\n gen.if(codegen_1._ `${names_1.default.errors} === 0`, () => gen.return(names_1.default.data), () => gen.throw(codegen_1._ `new ${ValidationError}(${names_1.default.vErrors})`));\n }\n else {\n gen.assign(codegen_1._ `${validateName}.errors`, names_1.default.vErrors);\n if (opts.unevaluated)\n assignEvaluated(it);\n gen.return(codegen_1._ `${names_1.default.errors} === 0`);\n }\n}\nfunction assignEvaluated({ gen, evaluated, props, items }) {\n if (props instanceof codegen_1.Name)\n gen.assign(codegen_1._ `${evaluated}.props`, props);\n if (items instanceof codegen_1.Name)\n gen.assign(codegen_1._ `${evaluated}.items`, items);\n}\nfunction checkStrictMode(it, msg, mode = it.opts.strict) {\n if (!mode)\n return;\n msg = `strict mode: ${msg}`;\n if (mode === true)\n throw new Error(msg);\n it.self.logger.warn(msg);\n}\nexports.checkStrictMode = checkStrictMode;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.schemaKeywords = void 0;\nconst applicability_1 = require(\"./applicability\");\nconst dataType_1 = require(\"./dataType\");\nconst defaults_1 = require(\"./defaults\");\nconst keyword_1 = require(\"./keyword\");\nconst util_1 = require(\"../util\");\nconst _1 = require(\".\");\nconst codegen_1 = require(\"../codegen\");\nconst names_1 = require(\"../names\");\nfunction schemaKeywords(it, types, typeErrors, errsCount) {\n const { gen, schema, data, allErrors, opts, self } = it;\n const { RULES } = self;\n if (schema.$ref && (opts.ignoreKeywordsWithRef || !util_1.schemaHasRulesButRef(schema, RULES))) {\n gen.block(() => keyword_1.keywordCode(it, \"$ref\", RULES.all.$ref.definition)); // TODO typecast\n return;\n }\n if (!opts.jtd)\n checkStrictTypes(it, types);\n gen.block(() => {\n for (const group of RULES.rules)\n groupKeywords(group);\n groupKeywords(RULES.post);\n });\n function groupKeywords(group) {\n if (!applicability_1.shouldUseGroup(schema, group))\n return;\n if (group.type) {\n gen.if(dataType_1.checkDataType(group.type, data, opts.strict));\n iterateKeywords(it, group);\n if (types.length === 1 && types[0] === group.type && typeErrors) {\n gen.else();\n dataType_1.reportTypeError(it);\n }\n gen.endIf();\n }\n else {\n iterateKeywords(it, group);\n }\n // TODO make it \"ok\" call?\n if (!allErrors)\n gen.if(codegen_1._ `${names_1.default.errors} === ${errsCount || 0}`);\n }\n}\nexports.schemaKeywords = schemaKeywords;\nfunction iterateKeywords(it, group) {\n const { gen, schema, opts: { useDefaults }, } = it;\n if (useDefaults)\n defaults_1.assignDefaults(it, group.type);\n gen.block(() => {\n for (const rule of group.rules) {\n if (applicability_1.shouldUseRule(schema, rule)) {\n keyword_1.keywordCode(it, rule.keyword, rule.definition, group.type);\n }\n }\n });\n}\nfunction checkStrictTypes(it, types) {\n if (it.schemaEnv.meta || !it.opts.strictTypes)\n return;\n checkContextTypes(it, types);\n if (!it.opts.allowUnionTypes)\n checkMultipleTypes(it, types);\n checkKeywordTypes(it, it.dataTypes);\n}\nfunction checkContextTypes(it, types) {\n if (!types.length)\n return;\n if (!it.dataTypes.length) {\n it.dataTypes = types;\n return;\n }\n types.forEach((t) => {\n if (!includesType(it.dataTypes, t)) {\n strictTypesError(it, `type \"${t}\" not allowed by context \"${it.dataTypes.join(\",\")}\"`);\n }\n });\n it.dataTypes = it.dataTypes.filter((t) => includesType(types, t));\n}\nfunction checkMultipleTypes(it, ts) {\n if (ts.length > 1 && !(ts.length === 2 && ts.includes(\"null\"))) {\n strictTypesError(it, \"use allowUnionTypes to allow union type keyword\");\n }\n}\nfunction checkKeywordTypes(it, ts) {\n const rules = it.self.RULES.all;\n for (const keyword in rules) {\n const rule = rules[keyword];\n if (typeof rule == \"object\" && applicability_1.shouldUseRule(it.schema, rule)) {\n const { type } = rule.definition;\n if (type.length && !type.some((t) => hasApplicableType(ts, t))) {\n strictTypesError(it, `missing type \"${type.join(\",\")}\" for keyword \"${keyword}\"`);\n }\n }\n }\n}\nfunction hasApplicableType(schTs, kwdT) {\n return schTs.includes(kwdT) || (kwdT === \"number\" && schTs.includes(\"integer\"));\n}\nfunction includesType(ts, t) {\n return ts.includes(t) || (t === \"integer\" && ts.includes(\"number\"));\n}\nfunction strictTypesError(it, msg) {\n const schemaPath = it.schemaEnv.baseId + it.errSchemaPath;\n msg += ` at \"${schemaPath}\" (strictTypes)`;\n _1.checkStrictMode(it, msg, it.opts.strictTypes);\n}\n//# sourceMappingURL=iterate.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.keywordCode = void 0;\nconst context_1 = require(\"../context\");\nconst errors_1 = require(\"../errors\");\nconst code_1 = require(\"../../vocabularies/code\");\nconst codegen_1 = require(\"../codegen\");\nconst names_1 = require(\"../names\");\nfunction keywordCode(it, keyword, def, ruleType) {\n const cxt = new context_1.default(it, def, keyword);\n if (\"code\" in def) {\n def.code(cxt, ruleType);\n }\n else if (cxt.$data && def.validate) {\n funcKeywordCode(cxt, def);\n }\n else if (\"macro\" in def) {\n macroKeywordCode(cxt, def);\n }\n else if (def.compile || def.validate) {\n funcKeywordCode(cxt, def);\n }\n}\nexports.keywordCode = keywordCode;\nfunction macroKeywordCode(cxt, def) {\n const { gen, keyword, schema, parentSchema, it } = cxt;\n const macroSchema = def.macro.call(it.self, schema, parentSchema, it);\n const schemaRef = useKeyword(gen, keyword, macroSchema);\n if (it.opts.validateSchema !== false)\n it.self.validateSchema(macroSchema, true);\n const valid = gen.name(\"valid\");\n cxt.subschema({\n schema: macroSchema,\n schemaPath: codegen_1.nil,\n errSchemaPath: `${it.errSchemaPath}/${keyword}`,\n topSchemaRef: schemaRef,\n compositeRule: true,\n }, valid);\n cxt.pass(valid, () => cxt.error(true));\n}\nfunction funcKeywordCode(cxt, def) {\n var _a;\n const { gen, keyword, schema, parentSchema, $data, it } = cxt;\n checkAsync(it, def);\n const validate = !$data && def.compile ? def.compile.call(it.self, schema, parentSchema, it) : def.validate;\n const validateRef = useKeyword(gen, keyword, validate);\n const valid = gen.let(\"valid\");\n cxt.block$data(valid, validateKeyword);\n cxt.ok((_a = def.valid) !== null && _a !== void 0 ? _a : valid);\n function validateKeyword() {\n if (def.errors === false) {\n assignValid();\n if (def.modifying)\n modifyData(cxt);\n reportErrs(() => cxt.error());\n }\n else {\n const ruleErrs = def.async ? validateAsync() : validateSync();\n if (def.modifying)\n modifyData(cxt);\n reportErrs(() => addErrs(cxt, ruleErrs));\n }\n }\n function validateAsync() {\n const ruleErrs = gen.let(\"ruleErrs\", null);\n gen.try(() => assignValid(codegen_1._ `await `), (e) => gen.assign(valid, false).if(codegen_1._ `${e} instanceof ${it.ValidationError}`, () => gen.assign(ruleErrs, codegen_1._ `${e}.errors`), () => gen.throw(e)));\n return ruleErrs;\n }\n function validateSync() {\n const validateErrs = codegen_1._ `${validateRef}.errors`;\n gen.assign(validateErrs, null);\n assignValid(codegen_1.nil);\n return validateErrs;\n }\n function assignValid(_await = def.async ? codegen_1._ `await ` : codegen_1.nil) {\n const passCxt = it.opts.passContext ? names_1.default.this : names_1.default.self;\n const passSchema = !((\"compile\" in def && !$data) || def.schema === false);\n gen.assign(valid, codegen_1._ `${_await}${code_1.callValidateCode(cxt, validateRef, passCxt, passSchema)}`, def.modifying);\n }\n function reportErrs(errors) {\n var _a;\n gen.if(codegen_1.not((_a = def.valid) !== null && _a !== void 0 ? _a : valid), errors);\n }\n}\nfunction modifyData(cxt) {\n const { gen, data, it } = cxt;\n gen.if(it.parentData, () => gen.assign(data, codegen_1._ `${it.parentData}[${it.parentDataProperty}]`));\n}\nfunction addErrs(cxt, errs) {\n const { gen } = cxt;\n gen.if(codegen_1._ `Array.isArray(${errs})`, () => {\n gen\n .assign(names_1.default.vErrors, codegen_1._ `${names_1.default.vErrors} === null ? ${errs} : ${names_1.default.vErrors}.concat(${errs})`)\n .assign(names_1.default.errors, codegen_1._ `${names_1.default.vErrors}.length`);\n errors_1.extendErrors(cxt);\n }, () => cxt.error());\n}\nfunction checkAsync({ schemaEnv }, def) {\n if (def.async && !schemaEnv.$async)\n throw new Error(\"async keyword in sync schema\");\n}\nfunction useKeyword(gen, keyword, result) {\n if (result === undefined)\n throw new Error(`keyword \"${keyword}\" failed to compile`);\n return gen.scopeValue(\"keyword\", typeof result == \"function\" ? { ref: result } : { ref: result, code: codegen_1.stringify(result) });\n}\n//# sourceMappingURL=keyword.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.CodeGen = exports.Name = exports.nil = exports.stringify = exports.str = exports._ = exports.KeywordCxt = void 0;\nconst context_1 = require(\"./compile/context\");\nexports.KeywordCxt = context_1.default;\nvar codegen_1 = require(\"./compile/codegen\");\nObject.defineProperty(exports, \"_\", { enumerable: true, get: function () { return codegen_1._; } });\nObject.defineProperty(exports, \"str\", { enumerable: true, get: function () { return codegen_1.str; } });\nObject.defineProperty(exports, \"stringify\", { enumerable: true, get: function () { return codegen_1.stringify; } });\nObject.defineProperty(exports, \"nil\", { enumerable: true, get: function () { return codegen_1.nil; } });\nObject.defineProperty(exports, \"Name\", { enumerable: true, get: function () { return codegen_1.Name; } });\nObject.defineProperty(exports, \"CodeGen\", { enumerable: true, get: function () { return codegen_1.CodeGen; } });\nconst error_classes_1 = require(\"./compile/error_classes\");\nconst rules_1 = require(\"./compile/rules\");\nconst compile_1 = require(\"./compile\");\nconst codegen_2 = require(\"./compile/codegen\");\nconst resolve_1 = require(\"./compile/resolve\");\nconst dataType_1 = require(\"./compile/validate/dataType\");\nconst util_1 = require(\"./compile/util\");\nconst $dataRefSchema = require(\"./refs/data.json\");\nconst META_IGNORE_OPTIONS = [\"removeAdditional\", \"useDefaults\", \"coerceTypes\"];\nconst EXT_SCOPE_NAMES = new Set([\n \"validate\",\n \"serialize\",\n \"parse\",\n \"wrapper\",\n \"root\",\n \"schema\",\n \"keyword\",\n \"pattern\",\n \"formats\",\n \"validate$data\",\n \"func\",\n \"obj\",\n \"Error\",\n]);\nconst removedOptions = {\n errorDataPath: \"\",\n format: \"`validateFormats: false` can be used instead.\",\n nullable: '\"nullable\" keyword is supported by default.',\n jsonPointers: \"Deprecated jsPropertySyntax can be used instead.\",\n extendRefs: \"Deprecated ignoreKeywordsWithRef can be used instead.\",\n missingRefs: \"Pass empty schema with $id that should be ignored to ajv.addSchema.\",\n processCode: \"Use option `code: {process: (code, schemaEnv: object) => string}`\",\n sourceCode: \"Use option `code: {source: true}`\",\n schemaId: \"JSON Schema draft-04 is not supported in Ajv v7.\",\n strictDefaults: \"It is default now, see option `strict`.\",\n strictKeywords: \"It is default now, see option `strict`.\",\n strictNumbers: \"It is default now, see option `strict`.\",\n uniqueItems: '\"uniqueItems\" keyword is always validated.',\n unknownFormats: \"Disable strict mode or pass `true` to `ajv.addFormat` (or `formats` option).\",\n cache: \"Map is used as cache, schema object as key.\",\n serialize: \"Map is used as cache, schema object as key.\",\n};\nconst deprecatedOptions = {\n ignoreKeywordsWithRef: \"\",\n jsPropertySyntax: \"\",\n unicode: '\"minLength\"/\"maxLength\" account for unicode characters by default.',\n};\nfunction requiredOptions(o) {\n var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m;\n const strict = (_a = o.strict) !== null && _a !== void 0 ? _a : true;\n const strictLog = strict ? \"log\" : false;\n const _optz = (_b = o.code) === null || _b === void 0 ? void 0 : _b.optimize;\n const optimize = _optz === true || _optz === undefined ? 1 : _optz || 0;\n return {\n strict,\n strictTypes: (_c = o.strictTypes) !== null && _c !== void 0 ? _c : strictLog,\n strictTuples: (_d = o.strictTuples) !== null && _d !== void 0 ? _d : strictLog,\n code: o.code ? { ...o.code, optimize } : { optimize },\n loopRequired: (_e = o.loopRequired) !== null && _e !== void 0 ? _e : Infinity,\n loopEnum: (_f = o.loopEnum) !== null && _f !== void 0 ? _f : Infinity,\n meta: (_g = o.meta) !== null && _g !== void 0 ? _g : true,\n messages: (_h = o.messages) !== null && _h !== void 0 ? _h : true,\n inlineRefs: (_j = o.inlineRefs) !== null && _j !== void 0 ? _j : true,\n addUsedSchema: (_k = o.addUsedSchema) !== null && _k !== void 0 ? _k : true,\n validateSchema: (_l = o.validateSchema) !== null && _l !== void 0 ? _l : true,\n validateFormats: (_m = o.validateFormats) !== null && _m !== void 0 ? _m : true,\n };\n}\nclass Ajv {\n constructor(opts = {}) {\n this.schemas = {};\n this.refs = {};\n this.formats = {};\n this._compilations = new Set();\n this._loading = {};\n this._cache = new Map();\n opts = this.opts = { ...opts, ...requiredOptions(opts) };\n const { es5, lines } = this.opts.code;\n this.scope = new codegen_2.ValueScope({ scope: {}, prefixes: EXT_SCOPE_NAMES, es5, lines });\n this.logger = getLogger(opts.logger);\n const formatOpt = opts.validateFormats;\n opts.validateFormats = false;\n this.RULES = rules_1.getRules();\n checkOptions.call(this, removedOptions, opts, \"NOT SUPPORTED\");\n checkOptions.call(this, deprecatedOptions, opts, \"DEPRECATED\", \"warn\");\n this._metaOpts = getMetaSchemaOptions.call(this);\n if (opts.formats)\n addInitialFormats.call(this);\n this._addVocabularies();\n this._addDefaultMetaSchema();\n if (opts.keywords)\n addInitialKeywords.call(this, opts.keywords);\n if (typeof opts.meta == \"object\")\n this.addMetaSchema(opts.meta);\n addInitialSchemas.call(this);\n opts.validateFormats = formatOpt;\n }\n _addVocabularies() {\n this.addKeyword(\"$async\");\n }\n _addDefaultMetaSchema() {\n const { $data, meta } = this.opts;\n if (meta && $data)\n this.addMetaSchema($dataRefSchema, $dataRefSchema.$id, false);\n }\n defaultMeta() {\n const { meta } = this.opts;\n return (this.opts.defaultMeta = typeof meta == \"object\" ? meta.$id || meta : undefined);\n }\n validate(schemaKeyRef, // key, ref or schema object\n data // to be validated\n ) {\n let v;\n if (typeof schemaKeyRef == \"string\") {\n v = this.getSchema(schemaKeyRef);\n if (!v)\n throw new Error(`no schema with key or ref \"${schemaKeyRef}\"`);\n }\n else {\n v = this.compile(schemaKeyRef);\n }\n const valid = v(data);\n if (!(\"$async\" in v))\n this.errors = v.errors;\n return valid;\n }\n compile(schema, _meta) {\n const sch = this._addSchema(schema, _meta);\n return (sch.validate || this._compileSchemaEnv(sch));\n }\n compileAsync(schema, meta) {\n if (typeof this.opts.loadSchema != \"function\") {\n throw new Error(\"options.loadSchema should be a function\");\n }\n const { loadSchema } = this.opts;\n return runCompileAsync.call(this, schema, meta);\n async function runCompileAsync(_schema, _meta) {\n await loadMetaSchema.call(this, _schema.$schema);\n const sch = this._addSchema(_schema, _meta);\n return sch.validate || _compileAsync.call(this, sch);\n }\n async function loadMetaSchema($ref) {\n if ($ref && !this.getSchema($ref)) {\n await runCompileAsync.call(this, { $ref }, true);\n }\n }\n async function _compileAsync(sch) {\n try {\n return this._compileSchemaEnv(sch);\n }\n catch (e) {\n if (!(e instanceof error_classes_1.MissingRefError))\n throw e;\n checkLoaded.call(this, e);\n await loadMissingSchema.call(this, e.missingSchema);\n return _compileAsync.call(this, sch);\n }\n }\n function checkLoaded({ missingSchema: ref, missingRef }) {\n if (this.refs[ref]) {\n throw new Error(`AnySchema ${ref} is loaded but ${missingRef} cannot be resolved`);\n }\n }\n async function loadMissingSchema(ref) {\n const _schema = await _loadSchema.call(this, ref);\n if (!this.refs[ref])\n await loadMetaSchema.call(this, _schema.$schema);\n if (!this.refs[ref])\n this.addSchema(_schema, ref, meta);\n }\n async function _loadSchema(ref) {\n const p = this._loading[ref];\n if (p)\n return p;\n try {\n return await (this._loading[ref] = loadSchema(ref));\n }\n finally {\n delete this._loading[ref];\n }\n }\n }\n // Adds schema to the instance\n addSchema(schema, // If array is passed, `key` will be ignored\n key, // Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.\n _meta, // true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.\n _validateSchema = this.opts.validateSchema // false to skip schema validation. Used internally, option validateSchema should be used instead.\n ) {\n if (Array.isArray(schema)) {\n for (const sch of schema)\n this.addSchema(sch, undefined, _meta, _validateSchema);\n return this;\n }\n let id;\n if (typeof schema === \"object\") {\n id = schema.$id;\n if (id !== undefined && typeof id != \"string\")\n throw new Error(\"schema id must be string\");\n }\n key = resolve_1.normalizeId(key || id);\n this._checkUnique(key);\n this.schemas[key] = this._addSchema(schema, _meta, _validateSchema, true);\n return this;\n }\n // Add schema that will be used to validate other schemas\n // options in META_IGNORE_OPTIONS are alway set to false\n addMetaSchema(schema, key, // schema key\n _validateSchema = this.opts.validateSchema // false to skip schema validation, can be used to override validateSchema option for meta-schema\n ) {\n this.addSchema(schema, key, true, _validateSchema);\n return this;\n }\n // Validate schema against its meta-schema\n validateSchema(schema, throwOrLogError) {\n if (typeof schema == \"boolean\")\n return true;\n let $schema;\n $schema = schema.$schema;\n if ($schema !== undefined && typeof $schema != \"string\") {\n throw new Error(\"$schema must be a string\");\n }\n $schema = $schema || this.opts.defaultMeta || this.defaultMeta();\n if (!$schema) {\n this.logger.warn(\"meta-schema not available\");\n this.errors = null;\n return true;\n }\n const valid = this.validate($schema, schema);\n if (!valid && throwOrLogError) {\n const message = \"schema is invalid: \" + this.errorsText();\n if (this.opts.validateSchema === \"log\")\n this.logger.error(message);\n else\n throw new Error(message);\n }\n return valid;\n }\n // Get compiled schema by `key` or `ref`.\n // (`key` that was passed to `addSchema` or full schema reference - `schema.$id` or resolved id)\n getSchema(keyRef) {\n let sch;\n while (typeof (sch = getSchEnv.call(this, keyRef)) == \"string\")\n keyRef = sch;\n if (sch === undefined) {\n const root = new compile_1.SchemaEnv({ schema: {} });\n sch = compile_1.resolveSchema.call(this, root, keyRef);\n if (!sch)\n return;\n this.refs[keyRef] = sch;\n }\n return (sch.validate || this._compileSchemaEnv(sch));\n }\n // Remove cached schema(s).\n // If no parameter is passed all schemas but meta-schemas are removed.\n // If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.\n // Even if schema is referenced by other schemas it still can be removed as other schemas have local references.\n removeSchema(schemaKeyRef) {\n if (schemaKeyRef instanceof RegExp) {\n this._removeAllSchemas(this.schemas, schemaKeyRef);\n this._removeAllSchemas(this.refs, schemaKeyRef);\n return this;\n }\n switch (typeof schemaKeyRef) {\n case \"undefined\":\n this._removeAllSchemas(this.schemas);\n this._removeAllSchemas(this.refs);\n this._cache.clear();\n return this;\n case \"string\": {\n const sch = getSchEnv.call(this, schemaKeyRef);\n if (typeof sch == \"object\")\n this._cache.delete(sch.schema);\n delete this.schemas[schemaKeyRef];\n delete this.refs[schemaKeyRef];\n return this;\n }\n case \"object\": {\n const cacheKey = schemaKeyRef;\n this._cache.delete(cacheKey);\n let id = schemaKeyRef.$id;\n if (id) {\n id = resolve_1.normalizeId(id);\n delete this.schemas[id];\n delete this.refs[id];\n }\n return this;\n }\n default:\n throw new Error(\"ajv.removeSchema: invalid parameter\");\n }\n }\n // add \"vocabulary\" - a collection of keywords\n addVocabulary(definitions) {\n for (const def of definitions)\n this.addKeyword(def);\n return this;\n }\n addKeyword(kwdOrDef, def // deprecated\n ) {\n let keyword;\n if (typeof kwdOrDef == \"string\") {\n keyword = kwdOrDef;\n if (typeof def == \"object\") {\n this.logger.warn(\"these parameters are deprecated, see docs for addKeyword\");\n def.keyword = keyword;\n }\n }\n else if (typeof kwdOrDef == \"object\" && def === undefined) {\n def = kwdOrDef;\n keyword = def.keyword;\n if (Array.isArray(keyword) && !keyword.length) {\n throw new Error(\"addKeywords: keyword must be string or non-empty array\");\n }\n }\n else {\n throw new Error(\"invalid addKeywords parameters\");\n }\n checkKeyword.call(this, keyword, def);\n if (!def) {\n util_1.eachItem(keyword, (kwd) => addRule.call(this, kwd));\n return this;\n }\n keywordMetaschema.call(this, def);\n const definition = {\n ...def,\n type: dataType_1.getJSONTypes(def.type),\n schemaType: dataType_1.getJSONTypes(def.schemaType),\n };\n util_1.eachItem(keyword, definition.type.length === 0\n ? (k) => addRule.call(this, k, definition)\n : (k) => definition.type.forEach((t) => addRule.call(this, k, definition, t)));\n return this;\n }\n getKeyword(keyword) {\n const rule = this.RULES.all[keyword];\n return typeof rule == \"object\" ? rule.definition : !!rule;\n }\n // Remove keyword\n removeKeyword(keyword) {\n // TODO return type should be Ajv\n const { RULES } = this;\n delete RULES.keywords[keyword];\n delete RULES.all[keyword];\n for (const group of RULES.rules) {\n const i = group.rules.findIndex((rule) => rule.keyword === keyword);\n if (i >= 0)\n group.rules.splice(i, 1);\n }\n return this;\n }\n // Add format\n addFormat(name, format) {\n if (typeof format == \"string\")\n format = new RegExp(format);\n this.formats[name] = format;\n return this;\n }\n errorsText(errors = this.errors, // optional array of validation errors\n { separator = \", \", dataVar = \"data\" } = {} // optional options with properties `separator` and `dataVar`\n ) {\n if (!errors || errors.length === 0)\n return \"No errors\";\n return errors\n .map((e) => `${dataVar}${e.dataPath} ${e.message}`)\n .reduce((text, msg) => text + separator + msg);\n }\n $dataMetaSchema(metaSchema, keywordsJsonPointers) {\n const rules = this.RULES.all;\n metaSchema = JSON.parse(JSON.stringify(metaSchema));\n for (const jsonPointer of keywordsJsonPointers) {\n const segments = jsonPointer.split(\"/\").slice(1); // first segment is an empty string\n let keywords = metaSchema;\n for (const seg of segments)\n keywords = keywords[seg];\n for (const key in rules) {\n const rule = rules[key];\n if (typeof rule != \"object\")\n continue;\n const { $data } = rule.definition;\n const schema = keywords[key];\n if ($data && schema)\n keywords[key] = schemaOrData(schema);\n }\n }\n return metaSchema;\n }\n _removeAllSchemas(schemas, regex) {\n for (const keyRef in schemas) {\n const sch = schemas[keyRef];\n if (!regex || regex.test(keyRef)) {\n if (typeof sch == \"string\") {\n delete schemas[keyRef];\n }\n else if (sch && !sch.meta) {\n this._cache.delete(sch.schema);\n delete schemas[keyRef];\n }\n }\n }\n }\n _addSchema(schema, meta, validateSchema = this.opts.validateSchema, addSchema = this.opts.addUsedSchema) {\n if (typeof schema != \"object\") {\n if (this.opts.jtd)\n throw new Error(\"schema must be object\");\n else if (typeof schema != \"boolean\")\n throw new Error(\"schema must be object or boolean\");\n }\n let sch = this._cache.get(schema);\n if (sch !== undefined)\n return sch;\n const localRefs = resolve_1.getSchemaRefs.call(this, schema);\n sch = new compile_1.SchemaEnv({ schema, meta, localRefs });\n this._cache.set(sch.schema, sch);\n const id = sch.baseId;\n if (addSchema && !id.startsWith(\"#\")) {\n // TODO atm it is allowed to overwrite schemas without id (instead of not adding them)\n if (id)\n this._checkUnique(id);\n this.refs[id] = sch;\n }\n if (validateSchema)\n this.validateSchema(schema, true);\n return sch;\n }\n _checkUnique(id) {\n if (this.schemas[id] || this.refs[id]) {\n throw new Error(`schema with key or id \"${id}\" already exists`);\n }\n }\n _compileSchemaEnv(sch) {\n if (sch.meta)\n this._compileMetaSchema(sch);\n else\n compile_1.compileSchema.call(this, sch);\n /* istanbul ignore if */\n if (!sch.validate)\n throw new Error(\"ajv implementation error\");\n return sch.validate;\n }\n _compileMetaSchema(sch) {\n const currentOpts = this.opts;\n this.opts = this._metaOpts;\n try {\n compile_1.compileSchema.call(this, sch);\n }\n finally {\n this.opts = currentOpts;\n }\n }\n}\nexports.default = Ajv;\nAjv.ValidationError = error_classes_1.ValidationError;\nAjv.MissingRefError = error_classes_1.MissingRefError;\nfunction checkOptions(checkOpts, options, msg, log = \"error\") {\n for (const key in checkOpts) {\n const opt = key;\n if (opt in options)\n this.logger[log](`${msg}: option ${key}. ${checkOpts[opt]}`);\n }\n}\nfunction getSchEnv(keyRef) {\n keyRef = resolve_1.normalizeId(keyRef); // TODO tests fail without this line\n return this.schemas[keyRef] || this.refs[keyRef];\n}\nfunction addInitialSchemas() {\n const optsSchemas = this.opts.schemas;\n if (!optsSchemas)\n return;\n if (Array.isArray(optsSchemas))\n this.addSchema(optsSchemas);\n else\n for (const key in optsSchemas)\n this.addSchema(optsSchemas[key], key);\n}\nfunction addInitialFormats() {\n for (const name in this.opts.formats) {\n const format = this.opts.formats[name];\n if (format)\n this.addFormat(name, format);\n }\n}\nfunction addInitialKeywords(defs) {\n if (Array.isArray(defs)) {\n this.addVocabulary(defs);\n return;\n }\n this.logger.warn(\"keywords option as map is deprecated, pass array\");\n for (const keyword in defs) {\n const def = defs[keyword];\n if (!def.keyword)\n def.keyword = keyword;\n this.addKeyword(def);\n }\n}\nfunction getMetaSchemaOptions() {\n const metaOpts = { ...this.opts };\n for (const opt of META_IGNORE_OPTIONS)\n delete metaOpts[opt];\n return metaOpts;\n}\nconst noLogs = { log() { }, warn() { }, error() { } };\nfunction getLogger(logger) {\n if (logger === false)\n return noLogs;\n if (logger === undefined)\n return console;\n if (logger.log && logger.warn && logger.error)\n return logger;\n throw new Error(\"logger must implement log, warn and error methods\");\n}\nconst KEYWORD_NAME = /^[a-z_$][a-z0-9_$:-]*$/i;\nfunction checkKeyword(keyword, def) {\n const { RULES } = this;\n util_1.eachItem(keyword, (kwd) => {\n if (RULES.keywords[kwd])\n throw new Error(`Keyword ${kwd} is already defined`);\n if (!KEYWORD_NAME.test(kwd))\n throw new Error(`Keyword ${kwd} has invalid name`);\n });\n if (!def)\n return;\n if (def.$data && !(\"code\" in def || \"validate\" in def)) {\n throw new Error('$data keyword must have \"code\" or \"validate\" function');\n }\n}\nfunction addRule(keyword, definition, dataType) {\n var _a;\n const post = definition === null || definition === void 0 ? void 0 : definition.post;\n if (dataType && post)\n throw new Error('keyword with \"post\" flag cannot have \"type\"');\n const { RULES } = this;\n let ruleGroup = post ? RULES.post : RULES.rules.find(({ type: t }) => t === dataType);\n if (!ruleGroup) {\n ruleGroup = { type: dataType, rules: [] };\n RULES.rules.push(ruleGroup);\n }\n RULES.keywords[keyword] = true;\n if (!definition)\n return;\n const rule = {\n keyword,\n definition: {\n ...definition,\n type: dataType_1.getJSONTypes(definition.type),\n schemaType: dataType_1.getJSONTypes(definition.schemaType),\n },\n };\n if (definition.before)\n addBeforeRule.call(this, ruleGroup, rule, definition.before);\n else\n ruleGroup.rules.push(rule);\n RULES.all[keyword] = rule;\n (_a = definition.implements) === null || _a === void 0 ? void 0 : _a.forEach((kwd) => this.addKeyword(kwd));\n}\nfunction addBeforeRule(ruleGroup, rule, before) {\n const i = ruleGroup.rules.findIndex((_rule) => _rule.keyword === before);\n if (i >= 0) {\n ruleGroup.rules.splice(i, 0, rule);\n }\n else {\n ruleGroup.rules.push(rule);\n this.logger.warn(`rule ${before} is not defined`);\n }\n}\nfunction keywordMetaschema(def) {\n let { metaSchema } = def;\n if (metaSchema === undefined)\n return;\n if (def.$data && this.opts.$data)\n metaSchema = schemaOrData(metaSchema);\n def.validateSchema = this.compile(metaSchema, true);\n}\nconst $dataRef = {\n $ref: \"https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#\",\n};\nfunction schemaOrData(schema) {\n return { anyOf: [schema, $dataRef] };\n}\n//# sourceMappingURL=core.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst subschema_1 = require(\"../../compile/subschema\");\nconst util_1 = require(\"../../compile/util\");\nconst validate_1 = require(\"../../compile/validate\");\nconst error = {\n message: ({ params: { len } }) => codegen_1.str `should NOT have more than ${len} items`,\n params: ({ params: { len } }) => codegen_1._ `{limit: ${len}}`,\n};\nconst def = {\n keyword: \"additionalItems\",\n type: \"array\",\n schemaType: [\"boolean\", \"object\"],\n before: \"uniqueItems\",\n error,\n code(cxt) {\n const { gen, schema, parentSchema, data, it } = cxt;\n const { items } = parentSchema;\n if (!Array.isArray(items)) {\n validate_1.checkStrictMode(it, '\"additionalItems\" is ignored when \"items\" is not an array of schemas');\n return;\n }\n it.items = true;\n const len = gen.const(\"len\", codegen_1._ `${data}.length`);\n if (schema === false) {\n cxt.setParams({ len: items.length });\n cxt.pass(codegen_1._ `${len} <= ${items.length}`);\n }\n else if (typeof schema == \"object\" && !util_1.alwaysValidSchema(it, schema)) {\n const valid = gen.var(\"valid\", codegen_1._ `${len} <= ${items.length}`); // TODO var\n gen.if(codegen_1.not(valid), () => validateItems(valid));\n cxt.ok(valid);\n }\n function validateItems(valid) {\n gen.forRange(\"i\", items.length, len, (i) => {\n cxt.subschema({ keyword: \"additionalItems\", dataProp: i, dataPropType: subschema_1.Type.Num }, valid);\n if (!it.allErrors)\n gen.if(codegen_1.not(valid), () => gen.break());\n });\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=additionalItems.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst names_1 = require(\"../../compile/names\");\nconst subschema_1 = require(\"../../compile/subschema\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: \"should NOT have additional properties\",\n params: ({ params }) => codegen_1._ `{additionalProperty: ${params.additionalProperty}}`,\n};\nconst def = {\n keyword: \"additionalProperties\",\n type: [\"object\"],\n schemaType: [\"boolean\", \"object\"],\n allowUndefined: true,\n trackErrors: true,\n error,\n code(cxt) {\n const { gen, schema, parentSchema, data, errsCount, it } = cxt;\n /* istanbul ignore if */\n if (!errsCount)\n throw new Error(\"ajv implementation error\");\n const { allErrors, opts } = it;\n it.props = true;\n if (opts.removeAdditional !== \"all\" && util_1.alwaysValidSchema(it, schema))\n return;\n const props = code_1.allSchemaProperties(parentSchema.properties);\n const patProps = code_1.allSchemaProperties(parentSchema.patternProperties);\n checkAdditionalProperties();\n cxt.ok(codegen_1._ `${errsCount} === ${names_1.default.errors}`);\n function checkAdditionalProperties() {\n gen.forIn(\"key\", data, (key) => {\n if (!props.length && !patProps.length)\n additionalPropertyCode(key);\n else\n gen.if(isAdditional(key), () => additionalPropertyCode(key));\n });\n }\n function isAdditional(key) {\n let definedProp;\n if (props.length > 8) {\n // TODO maybe an option instead of hard-coded 8?\n const propsSchema = util_1.schemaRefOrVal(it, parentSchema.properties, \"properties\");\n definedProp = code_1.isOwnProperty(gen, propsSchema, key);\n }\n else if (props.length) {\n definedProp = codegen_1.or(...props.map((p) => codegen_1._ `${key} === ${p}`));\n }\n else {\n definedProp = codegen_1.nil;\n }\n if (patProps.length) {\n definedProp = codegen_1.or(definedProp, ...patProps.map((p) => codegen_1._ `${code_1.usePattern(gen, p)}.test(${key})`));\n }\n return codegen_1.not(definedProp);\n }\n function deleteAdditional(key) {\n gen.code(codegen_1._ `delete ${data}[${key}]`);\n }\n function additionalPropertyCode(key) {\n if (opts.removeAdditional === \"all\" || (opts.removeAdditional && schema === false)) {\n deleteAdditional(key);\n return;\n }\n if (schema === false) {\n cxt.setParams({ additionalProperty: key });\n cxt.error();\n if (!allErrors)\n gen.break();\n return;\n }\n if (typeof schema == \"object\" && !util_1.alwaysValidSchema(it, schema)) {\n const valid = gen.name(\"valid\");\n if (opts.removeAdditional === \"failing\") {\n applyAdditionalSchema(key, valid, false);\n gen.if(codegen_1.not(valid), () => {\n cxt.reset();\n deleteAdditional(key);\n });\n }\n else {\n applyAdditionalSchema(key, valid);\n if (!allErrors)\n gen.if(codegen_1.not(valid), () => gen.break());\n }\n }\n }\n function applyAdditionalSchema(key, valid, errors) {\n const subschema = {\n keyword: \"additionalProperties\",\n dataProp: key,\n dataPropType: subschema_1.Type.Str,\n };\n if (errors === false) {\n Object.assign(subschema, {\n compositeRule: true,\n createErrors: false,\n allErrors: false,\n });\n }\n cxt.subschema(subschema, valid);\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=additionalProperties.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst util_1 = require(\"../../compile/util\");\nconst def = {\n keyword: \"allOf\",\n schemaType: \"array\",\n code(cxt) {\n const { gen, schema, it } = cxt;\n /* istanbul ignore if */\n if (!Array.isArray(schema))\n throw new Error(\"ajv implementation error\");\n const valid = gen.name(\"valid\");\n schema.forEach((sch, i) => {\n if (util_1.alwaysValidSchema(it, sch))\n return;\n const schCxt = cxt.subschema({ keyword: \"allOf\", schemaProp: i }, valid);\n cxt.ok(valid);\n cxt.mergeEvaluated(schCxt);\n });\n },\n};\nexports.default = def;\n//# sourceMappingURL=allOf.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst def = {\n keyword: \"anyOf\",\n schemaType: \"array\",\n trackErrors: true,\n code: code_1.validateUnion,\n error: {\n message: \"should match some schema in anyOf\",\n },\n};\nexports.default = def;\n//# sourceMappingURL=anyOf.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst subschema_1 = require(\"../../compile/subschema\");\nconst util_1 = require(\"../../compile/util\");\nconst validate_1 = require(\"../../compile/validate\");\nconst error = {\n message: ({ params: { min, max } }) => max === undefined\n ? codegen_1.str `should contain at least ${min} valid item(s)`\n : codegen_1.str `should contain at least ${min} and no more than ${max} valid item(s)`,\n params: ({ params: { min, max } }) => max === undefined ? codegen_1._ `{minContains: ${min}}` : codegen_1._ `{minContains: ${min}, maxContains: ${max}}`,\n};\nconst def = {\n keyword: \"contains\",\n type: \"array\",\n schemaType: [\"object\", \"boolean\"],\n before: \"uniqueItems\",\n trackErrors: true,\n error,\n code(cxt) {\n const { gen, schema, parentSchema, data, it } = cxt;\n let min;\n let max;\n const { minContains, maxContains } = parentSchema;\n if (it.opts.next) {\n min = minContains === undefined ? 1 : minContains;\n max = maxContains;\n }\n else {\n min = 1;\n }\n const len = gen.const(\"len\", codegen_1._ `${data}.length`);\n cxt.setParams({ min, max });\n if (max === undefined && min === 0) {\n validate_1.checkStrictMode(it, `\"minContains\" == 0 without \"maxContains\": \"contains\" keyword ignored`);\n return;\n }\n if (max !== undefined && min > max) {\n validate_1.checkStrictMode(it, `\"minContains\" > \"maxContains\" is always invalid`);\n cxt.fail();\n return;\n }\n if (util_1.alwaysValidSchema(it, schema)) {\n let cond = codegen_1._ `${len} >= ${min}`;\n if (max !== undefined)\n cond = codegen_1._ `${cond} && ${len} <= ${max}`;\n cxt.pass(cond);\n return;\n }\n it.items = true;\n const valid = gen.name(\"valid\");\n if (max === undefined && min === 1) {\n validateItems(valid, () => gen.if(valid, () => gen.break()));\n }\n else {\n gen.let(valid, false);\n const schValid = gen.name(\"_valid\");\n const count = gen.let(\"count\", 0);\n validateItems(schValid, () => gen.if(schValid, () => checkLimits(count)));\n }\n cxt.result(valid, () => cxt.reset());\n function validateItems(_valid, block) {\n gen.forRange(\"i\", 0, len, (i) => {\n cxt.subschema({\n keyword: \"contains\",\n dataProp: i,\n dataPropType: subschema_1.Type.Num,\n compositeRule: true,\n }, _valid);\n block();\n });\n }\n function checkLimits(count) {\n gen.code(codegen_1._ `${count}++`);\n if (max === undefined) {\n gen.if(codegen_1._ `${count} >= ${min}`, () => gen.assign(valid, true).break());\n }\n else {\n gen.if(codegen_1._ `${count} > ${max}`, () => gen.assign(valid, false).break());\n if (min === 1)\n gen.assign(valid, true);\n else\n gen.if(codegen_1._ `${count} >= ${min}`, () => gen.assign(valid, true));\n }\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=contains.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.validateSchemaDeps = exports.validatePropertyDeps = exports.error = void 0;\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst code_1 = require(\"../code\");\nexports.error = {\n message: ({ params: { property, depsCount, deps } }) => {\n const property_ies = depsCount === 1 ? \"property\" : \"properties\";\n return codegen_1.str `should have ${property_ies} ${deps} when property ${property} is present`;\n },\n params: ({ params: { property, depsCount, deps, missingProperty } }) => codegen_1._ `{property: ${property},\n missingProperty: ${missingProperty},\n depsCount: ${depsCount},\n deps: ${deps}}`, // TODO change to reference\n};\nconst def = {\n keyword: \"dependencies\",\n type: \"object\",\n schemaType: \"object\",\n error: exports.error,\n code(cxt) {\n const [propDeps, schDeps] = splitDependencies(cxt);\n validatePropertyDeps(cxt, propDeps);\n validateSchemaDeps(cxt, schDeps);\n },\n};\nfunction splitDependencies({ schema }) {\n const propertyDeps = {};\n const schemaDeps = {};\n for (const key in schema) {\n if (key === \"__proto__\")\n continue;\n const deps = Array.isArray(schema[key]) ? propertyDeps : schemaDeps;\n deps[key] = schema[key];\n }\n return [propertyDeps, schemaDeps];\n}\nfunction validatePropertyDeps(cxt, propertyDeps = cxt.schema) {\n const { gen, data, it } = cxt;\n if (Object.keys(propertyDeps).length === 0)\n return;\n const missing = gen.let(\"missing\");\n for (const prop in propertyDeps) {\n const deps = propertyDeps[prop];\n if (deps.length === 0)\n continue;\n const hasProperty = code_1.propertyInData(gen, data, prop, it.opts.ownProperties);\n cxt.setParams({\n property: prop,\n depsCount: deps.length,\n deps: deps.join(\", \"),\n });\n if (it.allErrors) {\n gen.if(hasProperty, () => {\n for (const depProp of deps) {\n code_1.checkReportMissingProp(cxt, depProp);\n }\n });\n }\n else {\n gen.if(codegen_1._ `${hasProperty} && (${code_1.checkMissingProp(cxt, deps, missing)})`);\n code_1.reportMissingProp(cxt, missing);\n gen.else();\n }\n }\n}\nexports.validatePropertyDeps = validatePropertyDeps;\nfunction validateSchemaDeps(cxt, schemaDeps = cxt.schema) {\n const { gen, data, keyword, it } = cxt;\n const valid = gen.name(\"valid\");\n for (const prop in schemaDeps) {\n if (util_1.alwaysValidSchema(it, schemaDeps[prop]))\n continue;\n gen.if(code_1.propertyInData(gen, data, prop, it.opts.ownProperties), () => {\n const schCxt = cxt.subschema({ keyword, schemaProp: prop }, valid);\n cxt.mergeValidEvaluated(schCxt, valid);\n }, () => gen.var(valid, true) // TODO var\n );\n cxt.ok(valid);\n }\n}\nexports.validateSchemaDeps = validateSchemaDeps;\nexports.default = def;\n//# sourceMappingURL=dependencies.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst validate_1 = require(\"../../compile/validate\");\nconst error = {\n message: ({ params }) => codegen_1.str `should match \"${params.ifClause}\" schema`,\n params: ({ params }) => codegen_1._ `{failingKeyword: ${params.ifClause}}`,\n};\nconst def = {\n keyword: \"if\",\n schemaType: [\"object\", \"boolean\"],\n trackErrors: true,\n error,\n code(cxt) {\n const { gen, parentSchema, it } = cxt;\n if (parentSchema.then === undefined && parentSchema.else === undefined) {\n validate_1.checkStrictMode(it, '\"if\" without \"then\" and \"else\" is ignored');\n }\n const hasThen = hasSchema(it, \"then\");\n const hasElse = hasSchema(it, \"else\");\n if (!hasThen && !hasElse)\n return;\n const valid = gen.let(\"valid\", true);\n const schValid = gen.name(\"_valid\");\n validateIf();\n cxt.reset();\n if (hasThen && hasElse) {\n const ifClause = gen.let(\"ifClause\");\n cxt.setParams({ ifClause });\n gen.if(schValid, validateClause(\"then\", ifClause), validateClause(\"else\", ifClause));\n }\n else if (hasThen) {\n gen.if(schValid, validateClause(\"then\"));\n }\n else {\n gen.if(codegen_1.not(schValid), validateClause(\"else\"));\n }\n cxt.pass(valid, () => cxt.error(true));\n function validateIf() {\n const schCxt = cxt.subschema({\n keyword: \"if\",\n compositeRule: true,\n createErrors: false,\n allErrors: false,\n }, schValid);\n cxt.mergeEvaluated(schCxt);\n }\n function validateClause(keyword, ifClause) {\n return () => {\n const schCxt = cxt.subschema({ keyword }, schValid);\n gen.assign(valid, schValid);\n cxt.mergeValidEvaluated(schCxt, valid);\n if (ifClause)\n gen.assign(ifClause, codegen_1._ `${keyword}`);\n else\n cxt.setParams({ ifClause: keyword });\n };\n }\n },\n};\nfunction hasSchema(it, keyword) {\n const schema = it.schema[keyword];\n return schema !== undefined && !util_1.alwaysValidSchema(it, schema);\n}\nexports.default = def;\n//# sourceMappingURL=if.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst additionalItems_1 = require(\"./additionalItems\");\nconst items_1 = require(\"./items\");\nconst contains_1 = require(\"./contains\");\nconst dependencies_1 = require(\"./dependencies\");\nconst propertyNames_1 = require(\"./propertyNames\");\nconst additionalProperties_1 = require(\"./additionalProperties\");\nconst properties_1 = require(\"./properties\");\nconst patternProperties_1 = require(\"./patternProperties\");\nconst not_1 = require(\"./not\");\nconst anyOf_1 = require(\"./anyOf\");\nconst oneOf_1 = require(\"./oneOf\");\nconst allOf_1 = require(\"./allOf\");\nconst if_1 = require(\"./if\");\nconst thenElse_1 = require(\"./thenElse\");\nconst applicator = [\n // any\n not_1.default,\n anyOf_1.default,\n oneOf_1.default,\n allOf_1.default,\n if_1.default,\n thenElse_1.default,\n // array\n additionalItems_1.default,\n items_1.default,\n contains_1.default,\n // object\n propertyNames_1.default,\n additionalProperties_1.default,\n dependencies_1.default,\n properties_1.default,\n patternProperties_1.default,\n];\nexports.default = applicator;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst validate_1 = require(\"../../compile/validate\");\nconst code_1 = require(\"../code\");\nconst def = {\n keyword: \"items\",\n type: \"array\",\n schemaType: [\"object\", \"array\", \"boolean\"],\n before: \"uniqueItems\",\n code(cxt) {\n const { gen, schema, it } = cxt;\n if (Array.isArray(schema)) {\n if (it.opts.unevaluated && schema.length && it.items !== true) {\n it.items = util_1.mergeEvaluated.items(gen, schema.length, it.items);\n }\n validateTuple(schema);\n }\n else {\n it.items = true;\n if (util_1.alwaysValidSchema(it, schema))\n return;\n cxt.ok(code_1.validateArray(cxt));\n }\n function validateTuple(schArr) {\n const { parentSchema, data } = cxt;\n if (it.opts.strictTuples && !fullTupleSchema(schArr.length, parentSchema)) {\n const msg = `\"items\" is ${schArr.length}-tuple, but minItems or maxItems/additionalItems are not specified or different`;\n validate_1.checkStrictMode(it, msg, it.opts.strictTuples);\n }\n const valid = gen.name(\"valid\");\n const len = gen.const(\"len\", codegen_1._ `${data}.length`);\n schArr.forEach((sch, i) => {\n if (util_1.alwaysValidSchema(it, sch))\n return;\n gen.if(codegen_1._ `${len} > ${i}`, () => cxt.subschema({\n keyword: \"items\",\n schemaProp: i,\n dataProp: i,\n }, valid));\n cxt.ok(valid);\n });\n }\n },\n};\nfunction fullTupleSchema(len, sch) {\n return len === sch.minItems && (len === sch.maxItems || sch.additionalItems === false);\n}\nexports.default = def;\n//# sourceMappingURL=items.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst util_1 = require(\"../../compile/util\");\nconst def = {\n keyword: \"not\",\n schemaType: [\"object\", \"boolean\"],\n trackErrors: true,\n code(cxt) {\n const { gen, schema, it } = cxt;\n if (util_1.alwaysValidSchema(it, schema)) {\n cxt.fail();\n return;\n }\n const valid = gen.name(\"valid\");\n cxt.subschema({\n keyword: \"not\",\n compositeRule: true,\n createErrors: false,\n allErrors: false,\n }, valid);\n cxt.result(valid, () => cxt.error(), () => cxt.reset());\n },\n error: {\n message: \"should NOT be valid\",\n },\n};\nexports.default = def;\n//# sourceMappingURL=not.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: \"should match exactly one schema in oneOf\",\n params: ({ params }) => codegen_1._ `{passingSchemas: ${params.passing}}`,\n};\nconst def = {\n keyword: \"oneOf\",\n schemaType: \"array\",\n trackErrors: true,\n error,\n code(cxt) {\n const { gen, schema, it } = cxt;\n /* istanbul ignore if */\n if (!Array.isArray(schema))\n throw new Error(\"ajv implementation error\");\n const schArr = schema;\n const valid = gen.let(\"valid\", false);\n const passing = gen.let(\"passing\", null);\n const schValid = gen.name(\"_valid\");\n cxt.setParams({ passing });\n // TODO possibly fail straight away (with warning or exception) if there are two empty always valid schemas\n gen.block(validateOneOf);\n cxt.result(valid, () => cxt.reset(), () => cxt.error(true));\n function validateOneOf() {\n schArr.forEach((sch, i) => {\n let schCxt;\n if (util_1.alwaysValidSchema(it, sch)) {\n gen.var(schValid, true);\n }\n else {\n schCxt = cxt.subschema({\n keyword: \"oneOf\",\n schemaProp: i,\n compositeRule: true,\n }, schValid);\n }\n if (i > 0) {\n gen\n .if(codegen_1._ `${schValid} && ${valid}`)\n .assign(valid, false)\n .assign(passing, codegen_1._ `[${passing}, ${i}]`)\n .else();\n }\n gen.if(schValid, () => {\n gen.assign(valid, true);\n gen.assign(passing, i);\n if (schCxt)\n cxt.mergeEvaluated(schCxt, codegen_1.Name);\n });\n });\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=oneOf.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst subschema_1 = require(\"../../compile/subschema\");\nconst validate_1 = require(\"../../compile/validate\");\nconst util_1 = require(\"../../compile/util\");\nconst def = {\n keyword: \"patternProperties\",\n type: \"object\",\n schemaType: \"object\",\n code(cxt) {\n const { gen, schema, data, parentSchema, it } = cxt;\n const { opts } = it;\n const patterns = code_1.schemaProperties(it, schema);\n // TODO mark properties matching patterns with always valid schemas as evaluated\n if (patterns.length === 0)\n return;\n const checkProperties = opts.strict && !opts.allowMatchingProperties && parentSchema.properties;\n const valid = gen.name(\"valid\");\n if (it.props !== true && !(it.props instanceof codegen_1.Name)) {\n it.props = util_1.evaluatedPropsToName(gen, it.props);\n }\n const { props } = it;\n validatePatternProperties();\n function validatePatternProperties() {\n for (const pat of patterns) {\n if (checkProperties)\n checkMatchingProperties(pat);\n if (it.allErrors) {\n validateProperties(pat);\n }\n else {\n gen.var(valid, true); // TODO var\n validateProperties(pat);\n gen.if(valid);\n }\n }\n }\n function checkMatchingProperties(pat) {\n for (const prop in checkProperties) {\n if (new RegExp(pat).test(prop)) {\n validate_1.checkStrictMode(it, `property ${prop} matches pattern ${pat} (use allowMatchingProperties)`);\n }\n }\n }\n function validateProperties(pat) {\n gen.forIn(\"key\", data, (key) => {\n gen.if(codegen_1._ `${code_1.usePattern(gen, pat)}.test(${key})`, () => {\n cxt.subschema({\n keyword: \"patternProperties\",\n schemaProp: pat,\n dataProp: key,\n dataPropType: subschema_1.Type.Str,\n }, valid);\n if (it.opts.unevaluated && props !== true) {\n gen.assign(codegen_1._ `${props}[${key}]`, true);\n }\n else if (!it.allErrors) {\n // can short-circuit if `unevaluatedProperties` is not supported (opts.next === false)\n // or if all properties were evaluated (props === true)\n gen.if(codegen_1.not(valid), () => gen.break());\n }\n });\n });\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=patternProperties.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst context_1 = require(\"../../compile/context\");\nconst code_1 = require(\"../code\");\nconst util_1 = require(\"../../compile/util\");\nconst additionalProperties_1 = require(\"./additionalProperties\");\nconst def = {\n keyword: \"properties\",\n type: \"object\",\n schemaType: \"object\",\n code(cxt) {\n const { gen, schema, parentSchema, data, it } = cxt;\n if (it.opts.removeAdditional === \"all\" && parentSchema.additionalProperties === undefined) {\n additionalProperties_1.default.code(new context_1.default(it, additionalProperties_1.default, \"additionalProperties\"));\n }\n const allProps = code_1.allSchemaProperties(schema);\n for (const prop of allProps) {\n it.definedProperties.add(prop);\n }\n if (it.opts.unevaluated && allProps.length && it.props !== true) {\n it.props = util_1.mergeEvaluated.props(gen, util_1.toHash(allProps), it.props);\n }\n const properties = allProps.filter((p) => !util_1.alwaysValidSchema(it, schema[p]));\n if (properties.length === 0)\n return;\n const valid = gen.name(\"valid\");\n for (const prop of properties) {\n if (hasDefault(prop)) {\n applyPropertySchema(prop);\n }\n else {\n gen.if(code_1.propertyInData(gen, data, prop, it.opts.ownProperties));\n applyPropertySchema(prop);\n if (!it.allErrors)\n gen.else().var(valid, true);\n gen.endIf();\n }\n cxt.it.definedProperties.add(prop);\n cxt.ok(valid);\n }\n function hasDefault(prop) {\n return it.opts.useDefaults && !it.compositeRule && schema[prop].default !== undefined;\n }\n function applyPropertySchema(prop) {\n cxt.subschema({\n keyword: \"properties\",\n schemaProp: prop,\n dataProp: prop,\n }, valid);\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=properties.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: ({ params }) => codegen_1.str `property name '${params.propertyName}' is invalid`,\n params: ({ params }) => codegen_1._ `{propertyName: ${params.propertyName}}`,\n};\nconst def = {\n keyword: \"propertyNames\",\n type: \"object\",\n schemaType: [\"object\", \"boolean\"],\n error,\n code(cxt) {\n const { gen, schema, data, it } = cxt;\n if (util_1.alwaysValidSchema(it, schema))\n return;\n const valid = gen.name(\"valid\");\n gen.forIn(\"key\", data, (key) => {\n cxt.setParams({ propertyName: key });\n cxt.subschema({\n keyword: \"propertyNames\",\n data: key,\n dataTypes: [\"string\"],\n propertyName: key,\n compositeRule: true,\n }, valid);\n gen.if(codegen_1.not(valid), () => {\n cxt.error(true);\n if (!it.allErrors)\n gen.break();\n });\n });\n cxt.ok(valid);\n },\n};\nexports.default = def;\n//# sourceMappingURL=propertyNames.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst validate_1 = require(\"../../compile/validate\");\nconst def = {\n keyword: [\"then\", \"else\"],\n schemaType: [\"object\", \"boolean\"],\n code({ keyword, parentSchema, it }) {\n if (parentSchema.if === undefined)\n validate_1.checkStrictMode(it, `\"${keyword}\" without \"if\" is ignored`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=thenElse.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.validateUnion = exports.validateArray = exports.usePattern = exports.callValidateCode = exports.schemaProperties = exports.allSchemaProperties = exports.noPropertyInData = exports.propertyInData = exports.isOwnProperty = exports.hasPropFunc = exports.reportMissingProp = exports.checkMissingProp = exports.checkReportMissingProp = void 0;\nconst codegen_1 = require(\"../compile/codegen\");\nconst util_1 = require(\"../compile/util\");\nconst subschema_1 = require(\"../compile/subschema\");\nconst names_1 = require(\"../compile/names\");\nfunction checkReportMissingProp(cxt, prop) {\n const { gen, data, it } = cxt;\n gen.if(noPropertyInData(gen, data, prop, it.opts.ownProperties), () => {\n cxt.setParams({ missingProperty: codegen_1._ `${prop}` }, true);\n cxt.error();\n });\n}\nexports.checkReportMissingProp = checkReportMissingProp;\nfunction checkMissingProp({ gen, data, it: { opts } }, properties, missing) {\n return codegen_1.or(...properties.map((prop) => codegen_1.and(noPropertyInData(gen, data, prop, opts.ownProperties), codegen_1._ `${missing} = ${prop}`)));\n}\nexports.checkMissingProp = checkMissingProp;\nfunction reportMissingProp(cxt, missing) {\n cxt.setParams({ missingProperty: missing }, true);\n cxt.error();\n}\nexports.reportMissingProp = reportMissingProp;\nfunction hasPropFunc(gen) {\n return gen.scopeValue(\"func\", {\n // eslint-disable-next-line @typescript-eslint/unbound-method\n ref: Object.prototype.hasOwnProperty,\n code: codegen_1._ `Object.prototype.hasOwnProperty`,\n });\n}\nexports.hasPropFunc = hasPropFunc;\nfunction isOwnProperty(gen, data, property) {\n return codegen_1._ `${hasPropFunc(gen)}.call(${data}, ${property})`;\n}\nexports.isOwnProperty = isOwnProperty;\nfunction propertyInData(gen, data, property, ownProperties) {\n const cond = codegen_1._ `${data}${codegen_1.getProperty(property)} !== undefined`;\n return ownProperties ? codegen_1._ `${cond} && ${isOwnProperty(gen, data, property)}` : cond;\n}\nexports.propertyInData = propertyInData;\nfunction noPropertyInData(gen, data, property, ownProperties) {\n const cond = codegen_1._ `${data}${codegen_1.getProperty(property)} === undefined`;\n return ownProperties ? codegen_1.or(cond, codegen_1.not(isOwnProperty(gen, data, property))) : cond;\n}\nexports.noPropertyInData = noPropertyInData;\nfunction allSchemaProperties(schemaMap) {\n return schemaMap ? Object.keys(schemaMap).filter((p) => p !== \"__proto__\") : [];\n}\nexports.allSchemaProperties = allSchemaProperties;\nfunction schemaProperties(it, schemaMap) {\n return allSchemaProperties(schemaMap).filter((p) => !util_1.alwaysValidSchema(it, schemaMap[p]));\n}\nexports.schemaProperties = schemaProperties;\nfunction callValidateCode({ schemaCode, data, it: { gen, topSchemaRef, schemaPath, errorPath }, it }, func, context, passSchema) {\n const dataAndSchema = passSchema ? codegen_1._ `${schemaCode}, ${data}, ${topSchemaRef}${schemaPath}` : data;\n const valCxt = [\n [names_1.default.dataPath, codegen_1.strConcat(names_1.default.dataPath, errorPath)],\n [names_1.default.parentData, it.parentData],\n [names_1.default.parentDataProperty, it.parentDataProperty],\n [names_1.default.rootData, names_1.default.rootData],\n ];\n if (it.opts.dynamicRef)\n valCxt.push([names_1.default.dynamicAnchors, names_1.default.dynamicAnchors]);\n const args = codegen_1._ `${dataAndSchema}, ${gen.object(...valCxt)}`;\n return context !== codegen_1.nil ? codegen_1._ `${func}.call(${context}, ${args})` : codegen_1._ `${func}(${args})`;\n}\nexports.callValidateCode = callValidateCode;\nfunction usePattern(gen, pattern) {\n return gen.scopeValue(\"pattern\", {\n key: pattern,\n ref: new RegExp(pattern, \"u\"),\n code: codegen_1._ `new RegExp(${pattern}, \"u\")`,\n });\n}\nexports.usePattern = usePattern;\nfunction validateArray(cxt) {\n const { gen, data, keyword, it } = cxt;\n const valid = gen.name(\"valid\");\n if (it.allErrors) {\n const validArr = gen.let(\"valid\", true);\n validateItems(() => gen.assign(validArr, false));\n return validArr;\n }\n gen.var(valid, true);\n validateItems(() => gen.break());\n return valid;\n function validateItems(notValid) {\n const len = gen.const(\"len\", codegen_1._ `${data}.length`);\n gen.forRange(\"i\", 0, len, (i) => {\n cxt.subschema({\n keyword,\n dataProp: i,\n dataPropType: subschema_1.Type.Num,\n }, valid);\n gen.if(codegen_1.not(valid), notValid);\n });\n }\n}\nexports.validateArray = validateArray;\nfunction validateUnion(cxt) {\n const { gen, schema, keyword, it } = cxt;\n /* istanbul ignore if */\n if (!Array.isArray(schema))\n throw new Error(\"ajv implementation error\");\n const alwaysValid = schema.some((sch) => util_1.alwaysValidSchema(it, sch));\n if (alwaysValid && !it.opts.unevaluated)\n return;\n const valid = gen.let(\"valid\", false);\n const schValid = gen.name(\"_valid\");\n gen.block(() => schema.forEach((_sch, i) => {\n const schCxt = cxt.subschema({\n keyword,\n schemaProp: i,\n compositeRule: true,\n }, schValid);\n gen.assign(valid, codegen_1._ `${valid} || ${schValid}`);\n const merged = cxt.mergeValidEvaluated(schCxt, schValid);\n // can short-circuit if `unevaluatedProperties/Items` not supported (opts.unevaluated !== true)\n // or if all properties and items were evaluated (it.props === true && it.items === true)\n if (!merged)\n gen.if(codegen_1.not(valid));\n }));\n cxt.result(valid, () => cxt.reset(), () => cxt.error(true));\n}\nexports.validateUnion = validateUnion;\n//# sourceMappingURL=code.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst def = {\n keyword: \"id\",\n code() {\n throw new Error('NOT SUPPORTED: keyword \"id\", use \"$id\" for schema ID');\n },\n};\nexports.default = def;\n//# sourceMappingURL=id.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst id_1 = require(\"./id\");\nconst ref_1 = require(\"./ref\");\nconst core = [\n \"$schema\",\n \"$id\",\n \"$defs\",\n \"$vocabulary\",\n { keyword: \"$comment\" },\n \"definitions\",\n id_1.default,\n ref_1.default,\n];\nexports.default = core;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.callRef = exports.getValidate = void 0;\nconst error_classes_1 = require(\"../../compile/error_classes\");\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst names_1 = require(\"../../compile/names\");\nconst compile_1 = require(\"../../compile\");\nconst util_1 = require(\"../../compile/util\");\nconst def = {\n keyword: \"$ref\",\n schemaType: \"string\",\n code(cxt) {\n const { gen, schema, it } = cxt;\n const { baseId, schemaEnv: env, validateName, opts, self } = it;\n // TODO See comment in dynamicRef.ts\n // This has to be improved to resolve #815.\n if (schema === \"#\" || schema === \"#/\")\n return callRootRef();\n const schOrEnv = compile_1.resolveRef.call(self, env.root, baseId, schema);\n if (schOrEnv === undefined)\n throw new error_classes_1.MissingRefError(baseId, schema);\n if (schOrEnv instanceof compile_1.SchemaEnv)\n return callValidate(schOrEnv);\n return inlineRefSchema(schOrEnv);\n function callRootRef() {\n if (env === env.root)\n return callRef(cxt, validateName, env, env.$async);\n const rootName = gen.scopeValue(\"root\", { ref: env.root });\n return callRef(cxt, codegen_1._ `${rootName}.validate`, env.root, env.root.$async);\n }\n function callValidate(sch) {\n const v = getValidate(cxt, sch);\n callRef(cxt, v, sch, sch.$async);\n }\n function inlineRefSchema(sch) {\n const schName = gen.scopeValue(\"schema\", opts.code.source === true ? { ref: sch, code: codegen_1.stringify(sch) } : { ref: sch });\n const valid = gen.name(\"valid\");\n const schCxt = cxt.subschema({\n schema: sch,\n dataTypes: [],\n schemaPath: codegen_1.nil,\n topSchemaRef: schName,\n errSchemaPath: schema,\n }, valid);\n cxt.mergeEvaluated(schCxt);\n cxt.ok(valid);\n }\n },\n};\nfunction getValidate(cxt, sch) {\n const { gen } = cxt;\n return sch.validate\n ? gen.scopeValue(\"validate\", { ref: sch.validate })\n : codegen_1._ `${gen.scopeValue(\"wrapper\", { ref: sch })}.validate`;\n}\nexports.getValidate = getValidate;\nfunction callRef(cxt, v, sch, $async) {\n const { gen, it } = cxt;\n const { allErrors, schemaEnv: env, opts } = it;\n const passCxt = opts.passContext ? names_1.default.this : codegen_1.nil;\n if ($async)\n callAsyncRef();\n else\n callSyncRef();\n function callAsyncRef() {\n if (!env.$async)\n throw new Error(\"async schema referenced by sync schema\");\n const valid = gen.let(\"valid\");\n gen.try(() => {\n gen.code(codegen_1._ `await ${code_1.callValidateCode(cxt, v, passCxt)}`);\n addEvaluatedFrom(v); // TODO will not work with async, it has to be returned with the result\n if (!allErrors)\n gen.assign(valid, true);\n }, (e) => {\n gen.if(codegen_1._ `!(${e} instanceof ${it.ValidationError})`, () => gen.throw(e));\n addErrorsFrom(e);\n if (!allErrors)\n gen.assign(valid, false);\n });\n cxt.ok(valid);\n }\n function callSyncRef() {\n cxt.result(code_1.callValidateCode(cxt, v, passCxt), () => addEvaluatedFrom(v), () => addErrorsFrom(v));\n }\n function addErrorsFrom(source) {\n const errs = codegen_1._ `${source}.errors`;\n gen.assign(names_1.default.vErrors, codegen_1._ `${names_1.default.vErrors} === null ? ${errs} : ${names_1.default.vErrors}.concat(${errs})`); // TODO tagged\n gen.assign(names_1.default.errors, codegen_1._ `${names_1.default.vErrors}.length`);\n }\n function addEvaluatedFrom(source) {\n var _a;\n if (!it.opts.unevaluated)\n return;\n const schEvaluated = (_a = sch === null || sch === void 0 ? void 0 : sch.validate) === null || _a === void 0 ? void 0 : _a.evaluated;\n // TODO refactor\n if (it.props !== true) {\n if (schEvaluated && !schEvaluated.dynamicProps) {\n if (schEvaluated.props !== undefined) {\n it.props = util_1.mergeEvaluated.props(gen, schEvaluated.props, it.props);\n }\n }\n else {\n const props = gen.var(\"props\", codegen_1._ `${source}.evaluated.props`);\n it.props = util_1.mergeEvaluated.props(gen, props, it.props, codegen_1.Name);\n }\n }\n if (it.items !== true) {\n if (schEvaluated && !schEvaluated.dynamicItems) {\n if (schEvaluated.items !== undefined) {\n it.items = util_1.mergeEvaluated.items(gen, schEvaluated.items, it.items);\n }\n }\n else {\n const items = gen.var(\"items\", codegen_1._ `${source}.evaluated.items`);\n it.items = util_1.mergeEvaluated.items(gen, items, it.items, codegen_1.Name);\n }\n }\n }\n}\nexports.callRef = callRef;\nexports.default = def;\n//# sourceMappingURL=ref.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst core_1 = require(\"./core\");\nconst validation_1 = require(\"./validation\");\nconst applicator_1 = require(\"./applicator\");\nconst format_1 = require(\"./format\");\nconst metadata_1 = require(\"./metadata\");\nconst draft7Vocabularies = [\n core_1.default,\n validation_1.default,\n applicator_1.default,\n format_1.default,\n metadata_1.metadataVocabulary,\n metadata_1.contentVocabulary,\n];\nexports.default = draft7Vocabularies;\n//# sourceMappingURL=draft7.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message: ({ schemaCode }) => codegen_1.str `should match format \"${schemaCode}\"`,\n params: ({ schemaCode }) => codegen_1._ `{format: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"format\",\n type: [\"number\", \"string\"],\n schemaType: \"string\",\n $data: true,\n error,\n code(cxt, ruleType) {\n const { gen, data, $data, schema, schemaCode, it } = cxt;\n const { opts, errSchemaPath, schemaEnv, self } = it;\n if (!opts.validateFormats)\n return;\n if ($data)\n validate$DataFormat();\n else\n validateFormat();\n function validate$DataFormat() {\n const fmts = gen.scopeValue(\"formats\", {\n ref: self.formats,\n code: opts.code.formats,\n });\n const fDef = gen.const(\"fDef\", codegen_1._ `${fmts}[${schemaCode}]`);\n const fType = gen.let(\"fType\");\n const format = gen.let(\"format\");\n // TODO simplify\n gen.if(codegen_1._ `typeof ${fDef} == \"object\" && !(${fDef} instanceof RegExp)`, () => gen.assign(fType, codegen_1._ `${fDef}.type || \"string\"`).assign(format, codegen_1._ `${fDef}.validate`), () => gen.assign(fType, codegen_1._ `\"string\"`).assign(format, fDef));\n cxt.fail$data(codegen_1.or(unknownFmt(), invalidFmt()));\n function unknownFmt() {\n if (opts.strict === false)\n return codegen_1.nil;\n return codegen_1._ `${schemaCode} && !${format}`;\n }\n function invalidFmt() {\n const callFormat = schemaEnv.$async\n ? codegen_1._ `(${fDef}.async ? await ${format}(${data}) : ${format}(${data}))`\n : codegen_1._ `${format}(${data})`;\n const validData = codegen_1._ `(typeof ${format} == \"function\" ? ${callFormat} : ${format}.test(${data}))`;\n return codegen_1._ `${format} && ${format} !== true && ${fType} === ${ruleType} && !${validData}`;\n }\n }\n function validateFormat() {\n const formatDef = self.formats[schema];\n if (!formatDef) {\n unknownFormat();\n return;\n }\n if (formatDef === true)\n return;\n const [fmtType, format, fmtRef] = getFormat(formatDef);\n if (fmtType === ruleType)\n cxt.pass(validCondition());\n function unknownFormat() {\n if (opts.strict === false) {\n self.logger.warn(unknownMsg());\n return;\n }\n throw new Error(unknownMsg());\n function unknownMsg() {\n return `unknown format \"${schema}\" ignored in schema at path \"${errSchemaPath}\"`;\n }\n }\n function getFormat(fmtDef) {\n const fmt = gen.scopeValue(\"formats\", {\n key: schema,\n ref: fmtDef,\n code: opts.code.formats ? codegen_1._ `${opts.code.formats}${codegen_1.getProperty(schema)}` : undefined,\n });\n if (typeof fmtDef == \"object\" && !(fmtDef instanceof RegExp)) {\n return [fmtDef.type || \"string\", fmtDef.validate, codegen_1._ `${fmt}.validate`];\n }\n return [\"string\", fmtDef, fmt];\n }\n function validCondition() {\n if (typeof formatDef == \"object\" && !(formatDef instanceof RegExp) && formatDef.async) {\n if (!schemaEnv.$async)\n throw new Error(\"async format in sync schema\");\n return codegen_1._ `await ${fmtRef}(${data})`;\n }\n return typeof format == \"function\" ? codegen_1._ `${fmtRef}(${data})` : codegen_1._ `${fmtRef}.test(${data})`;\n }\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=format.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst format_1 = require(\"./format\");\nconst format = [format_1.default];\nexports.default = format;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.contentVocabulary = exports.metadataVocabulary = void 0;\nexports.metadataVocabulary = [\n \"title\",\n \"description\",\n \"default\",\n \"deprecated\",\n \"readOnly\",\n \"writeOnly\",\n \"examples\",\n];\nexports.contentVocabulary = [\n \"contentMediaType\",\n \"contentEncoding\",\n \"contentSchema\",\n];\n//# sourceMappingURL=metadata.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst equal = require(\"fast-deep-equal\");\nconst error = {\n message: \"should be equal to constant\",\n params: ({ schemaCode }) => codegen_1._ `{allowedValue: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"const\",\n $data: true,\n error,\n code(cxt) {\n const eql = cxt.gen.scopeValue(\"func\", {\n ref: equal,\n code: codegen_1._ `require(\"ajv/dist/compile/equal\")`,\n });\n // TODO optimize for scalar values in schema\n cxt.fail$data(codegen_1._ `!${eql}(${cxt.data}, ${cxt.schemaCode})`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=const.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst equal = require(\"fast-deep-equal\");\nconst error = {\n message: \"should be equal to one of the allowed values\",\n params: ({ schemaCode }) => codegen_1._ `{allowedValues: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"enum\",\n schemaType: \"array\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, $data, schema, schemaCode, it } = cxt;\n if (!$data && schema.length === 0)\n throw new Error(\"enum must have non-empty array\");\n const useLoop = schema.length >= it.opts.loopEnum;\n const eql = cxt.gen.scopeValue(\"func\", {\n ref: equal,\n code: codegen_1._ `require(\"ajv/dist/compile/equal\")`,\n });\n let valid;\n if (useLoop || $data) {\n valid = gen.let(\"valid\");\n cxt.block$data(valid, loopEnum);\n }\n else {\n /* istanbul ignore if */\n if (!Array.isArray(schema))\n throw new Error(\"ajv implementation error\");\n const vSchema = gen.const(\"vSchema\", schemaCode);\n valid = codegen_1.or(...schema.map((_x, i) => equalCode(vSchema, i)));\n }\n cxt.pass(valid);\n function loopEnum() {\n gen.assign(valid, false);\n gen.forOf(\"v\", schemaCode, (v) => gen.if(codegen_1._ `${eql}(${data}, ${v})`, () => gen.assign(valid, true).break()));\n }\n function equalCode(vSchema, i) {\n const sch = schema[i];\n return sch && typeof sch === \"object\"\n ? codegen_1._ `${eql}(${data}, ${vSchema}[${i}])`\n : codegen_1._ `${data} === ${sch}`;\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=enum.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst limitNumber_1 = require(\"./limitNumber\");\nconst multipleOf_1 = require(\"./multipleOf\");\nconst limitLength_1 = require(\"./limitLength\");\nconst pattern_1 = require(\"./pattern\");\nconst limitProperties_1 = require(\"./limitProperties\");\nconst required_1 = require(\"./required\");\nconst limitItems_1 = require(\"./limitItems\");\nconst uniqueItems_1 = require(\"./uniqueItems\");\nconst const_1 = require(\"./const\");\nconst enum_1 = require(\"./enum\");\nconst validation = [\n // number\n limitNumber_1.default,\n multipleOf_1.default,\n // string\n limitLength_1.default,\n pattern_1.default,\n // object\n limitProperties_1.default,\n required_1.default,\n // array\n limitItems_1.default,\n uniqueItems_1.default,\n // any\n { keyword: \"type\", schemaType: [\"string\", \"array\"] },\n { keyword: \"nullable\", schemaType: \"boolean\" },\n const_1.default,\n enum_1.default,\n];\nexports.default = validation;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message({ keyword, schemaCode }) {\n const comp = keyword === \"maxItems\" ? \"more\" : \"fewer\";\n return codegen_1.str `should NOT have ${comp} than ${schemaCode} items`;\n },\n params: ({ schemaCode }) => codegen_1._ `{limit: ${schemaCode}}`,\n};\nconst def = {\n keyword: [\"maxItems\", \"minItems\"],\n type: \"array\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { keyword, data, schemaCode } = cxt;\n const op = keyword === \"maxItems\" ? codegen_1.operators.GT : codegen_1.operators.LT;\n cxt.fail$data(codegen_1._ `${data}.length ${op} ${schemaCode}`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=limitItems.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst ucs2length_1 = require(\"../../compile/ucs2length\");\nconst error = {\n message({ keyword, schemaCode }) {\n const comp = keyword === \"maxLength\" ? \"more\" : \"fewer\";\n return codegen_1.str `should NOT have ${comp} than ${schemaCode} characters`;\n },\n params: ({ schemaCode }) => codegen_1._ `{limit: ${schemaCode}}`,\n};\nconst def = {\n keyword: [\"maxLength\", \"minLength\"],\n type: \"string\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { keyword, data, schemaCode, it } = cxt;\n const op = keyword === \"maxLength\" ? codegen_1.operators.GT : codegen_1.operators.LT;\n let len;\n if (it.opts.unicode === false) {\n len = codegen_1._ `${data}.length`;\n }\n else {\n const u2l = cxt.gen.scopeValue(\"func\", {\n ref: ucs2length_1.default,\n code: codegen_1._ `require(\"ajv/dist/compile/ucs2length\").default`,\n });\n len = codegen_1._ `${u2l}(${data})`;\n }\n cxt.fail$data(codegen_1._ `${len} ${op} ${schemaCode}`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=limitLength.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst ops = codegen_1.operators;\nconst KWDs = {\n maximum: { okStr: \"<=\", ok: ops.LTE, fail: ops.GT },\n minimum: { okStr: \">=\", ok: ops.GTE, fail: ops.LT },\n exclusiveMaximum: { okStr: \"<\", ok: ops.LT, fail: ops.GTE },\n exclusiveMinimum: { okStr: \">\", ok: ops.GT, fail: ops.LTE },\n};\nconst error = {\n message: ({ keyword, schemaCode }) => codegen_1.str `should be ${KWDs[keyword].okStr} ${schemaCode}`,\n params: ({ keyword, schemaCode }) => codegen_1._ `{comparison: ${KWDs[keyword].okStr}, limit: ${schemaCode}}`,\n};\nconst def = {\n keyword: Object.keys(KWDs),\n type: \"number\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { keyword, data, schemaCode } = cxt;\n cxt.fail$data(codegen_1._ `${data} ${KWDs[keyword].fail} ${schemaCode} || isNaN(${data})`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=limitNumber.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message({ keyword, schemaCode }) {\n const comp = keyword === \"maxProperties\" ? \"more\" : \"fewer\";\n return codegen_1.str `should NOT have ${comp} than ${schemaCode} items`;\n },\n params: ({ schemaCode }) => codegen_1._ `{limit: ${schemaCode}}`,\n};\nconst def = {\n keyword: [\"maxProperties\", \"minProperties\"],\n type: \"object\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { keyword, data, schemaCode } = cxt;\n const op = keyword === \"maxProperties\" ? codegen_1.operators.GT : codegen_1.operators.LT;\n cxt.fail$data(codegen_1._ `Object.keys(${data}).length ${op} ${schemaCode}`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=limitProperties.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message: ({ schemaCode }) => codegen_1.str `should be multiple of ${schemaCode}`,\n params: ({ schemaCode }) => codegen_1._ `{multipleOf: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"multipleOf\",\n type: \"number\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, schemaCode, it } = cxt;\n // const bdt = bad$DataType(schemaCode, def.schemaType, $data)\n const prec = it.opts.multipleOfPrecision;\n const res = gen.let(\"res\");\n const invalid = prec\n ? codegen_1._ `Math.abs(Math.round(${res}) - ${res}) > 1e-${prec}`\n : codegen_1._ `${res} !== parseInt(${res})`;\n cxt.fail$data(codegen_1._ `(${schemaCode} === 0 || (${res} = ${data}/${schemaCode}, ${invalid}))`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=multipleOf.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message: ({ schemaCode }) => codegen_1.str `should match pattern \"${schemaCode}\"`,\n params: ({ schemaCode }) => codegen_1._ `{pattern: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"pattern\",\n type: \"string\",\n schemaType: \"string\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, $data, schema, schemaCode } = cxt;\n const regExp = $data ? codegen_1._ `(new RegExp(${schemaCode}, \"u\"))` : code_1.usePattern(gen, schema); // TODO regexp should be wrapped in try/catch\n cxt.fail$data(codegen_1._ `!${regExp}.test(${data})`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=pattern.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst validate_1 = require(\"../../compile/validate\");\nconst error = {\n message: ({ params: { missingProperty } }) => codegen_1.str `should have required property '${missingProperty}'`,\n params: ({ params: { missingProperty } }) => codegen_1._ `{missingProperty: ${missingProperty}}`,\n};\nconst def = {\n keyword: \"required\",\n type: \"object\",\n schemaType: \"array\",\n $data: true,\n error,\n code(cxt) {\n const { gen, schema, schemaCode, data, $data, it } = cxt;\n const { opts } = it;\n if (!$data && schema.length === 0)\n return;\n const useLoop = schema.length >= opts.loopRequired;\n if (it.allErrors)\n allErrorsMode();\n else\n exitOnErrorMode();\n if (opts.strictRequired) {\n const props = cxt.parentSchema.properties;\n const { definedProperties } = cxt.it;\n for (const requiredKey of schema) {\n if ((props === null || props === void 0 ? void 0 : props[requiredKey]) === undefined && !definedProperties.has(requiredKey)) {\n const schemaPath = it.schemaEnv.baseId + it.errSchemaPath;\n const msg = `required property \"${requiredKey}\" is not defined at \"${schemaPath}\" (strictRequired)`;\n validate_1.checkStrictMode(it, msg, it.opts.strictRequired);\n }\n }\n }\n function allErrorsMode() {\n if (useLoop || $data) {\n cxt.block$data(codegen_1.nil, loopAllRequired);\n }\n else {\n for (const prop of schema) {\n code_1.checkReportMissingProp(cxt, prop);\n }\n }\n }\n function exitOnErrorMode() {\n const missing = gen.let(\"missing\");\n if (useLoop || $data) {\n const valid = gen.let(\"valid\", true);\n cxt.block$data(valid, () => loopUntilMissing(missing, valid));\n cxt.ok(valid);\n }\n else {\n gen.if(code_1.checkMissingProp(cxt, schema, missing));\n code_1.reportMissingProp(cxt, missing);\n gen.else();\n }\n }\n function loopAllRequired() {\n gen.forOf(\"prop\", schemaCode, (prop) => {\n cxt.setParams({ missingProperty: prop });\n gen.if(code_1.noPropertyInData(gen, data, prop, opts.ownProperties), () => cxt.error());\n });\n }\n function loopUntilMissing(missing, valid) {\n cxt.setParams({ missingProperty: missing });\n gen.forOf(missing, schemaCode, () => {\n gen.assign(valid, code_1.propertyInData(gen, data, missing, opts.ownProperties));\n gen.if(codegen_1.not(valid), () => {\n cxt.error();\n gen.break();\n });\n }, codegen_1.nil);\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=required.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst dataType_1 = require(\"../../compile/validate/dataType\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst equal = require(\"fast-deep-equal\");\nconst error = {\n message: ({ params: { i, j } }) => codegen_1.str `should NOT have duplicate items (items ## ${j} and ${i} are identical)`,\n params: ({ params: { i, j } }) => codegen_1._ `{i: ${i}, j: ${j}}`,\n};\nconst def = {\n keyword: \"uniqueItems\",\n type: \"array\",\n schemaType: \"boolean\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, $data, schema, parentSchema, schemaCode, it } = cxt;\n if (!$data && !schema)\n return;\n const valid = gen.let(\"valid\");\n const itemTypes = parentSchema.items ? dataType_1.getSchemaTypes(parentSchema.items) : [];\n cxt.block$data(valid, validateUniqueItems, codegen_1._ `${schemaCode} === false`);\n cxt.ok(valid);\n function validateUniqueItems() {\n const i = gen.let(\"i\", codegen_1._ `${data}.length`);\n const j = gen.let(\"j\");\n cxt.setParams({ i, j });\n gen.assign(valid, true);\n gen.if(codegen_1._ `${i} > 1`, () => (canOptimize() ? loopN : loopN2)(i, j));\n }\n function canOptimize() {\n return itemTypes.length > 0 && !itemTypes.some((t) => t === \"object\" || t === \"array\");\n }\n function loopN(i, j) {\n const item = gen.name(\"item\");\n const wrongType = dataType_1.checkDataTypes(itemTypes, item, it.opts.strict, dataType_1.DataType.Wrong);\n const indices = gen.const(\"indices\", codegen_1._ `{}`);\n gen.for(codegen_1._ `;${i}--;`, () => {\n gen.let(item, codegen_1._ `${data}[${i}]`);\n gen.if(wrongType, codegen_1._ `continue`);\n if (itemTypes.length > 1)\n gen.if(codegen_1._ `typeof ${item} == \"string\"`, codegen_1._ `${item} += \"_\"`);\n gen\n .if(codegen_1._ `typeof ${indices}[${item}] == \"number\"`, () => {\n gen.assign(j, codegen_1._ `${indices}[${item}]`);\n cxt.error();\n gen.assign(valid, false).break();\n })\n .code(codegen_1._ `${indices}[${item}] = ${i}`);\n });\n }\n function loopN2(i, j) {\n const eql = cxt.gen.scopeValue(\"func\", {\n ref: equal,\n code: codegen_1._ `require(\"ajv/dist/compile/equal\")`,\n });\n const outer = gen.name(\"outer\");\n gen.label(outer).for(codegen_1._ `;${i}--;`, () => gen.for(codegen_1._ `${j} = ${i}; ${j}--;`, () => gen.if(codegen_1._ `${eql}(${data}[${i}], ${data}[${j}])`, () => {\n cxt.error();\n gen.assign(valid, false).break(outer);\n })));\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=uniqueItems.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.formatNames = exports.fastFormats = exports.fullFormats = void 0;\nfunction fmtDef(validate, compare) {\n return { validate, compare };\n}\nexports.fullFormats = {\n // date: http://tools.ietf.org/html/rfc3339#section-5.6\n date: fmtDef(date, compareDate),\n // date-time: http://tools.ietf.org/html/rfc3339#section-5.6\n time: fmtDef(time, compareTime),\n \"date-time\": fmtDef(date_time, compareDateTime),\n // duration: https://tools.ietf.org/html/rfc3339#appendix-A\n duration: /^P(?!$)((\\d+Y)?(\\d+M)?(\\d+D)?(T(?=\\d)(\\d+H)?(\\d+M)?(\\d+S)?)?|(\\d+W)?)$/,\n uri,\n \"uri-reference\": /^(?:[a-z][a-z0-9+\\-.]*:)?(?:\\/?\\/(?:(?:[a-z0-9\\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\\.[a-z0-9\\-._~!$&'()*+,;=:]+)\\]|(?:(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?)|(?:[a-z0-9\\-._~!$&'\"()*+,;=]|%[0-9a-f]{2})*)(?::\\d*)?(?:\\/(?:[a-z0-9\\-._~!$&'\"()*+,;=:@]|%[0-9a-f]{2})*)*|\\/(?:(?:[a-z0-9\\-._~!$&'\"()*+,;=:@]|%[0-9a-f]{2})+(?:\\/(?:[a-z0-9\\-._~!$&'\"()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\\-._~!$&'\"()*+,;=:@]|%[0-9a-f]{2})+(?:\\/(?:[a-z0-9\\-._~!$&'\"()*+,;=:@]|%[0-9a-f]{2})*)*)?(?:\\?(?:[a-z0-9\\-._~!$&'\"()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\\-._~!$&'\"()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i,\n // uri-template: https://tools.ietf.org/html/rfc6570\n \"uri-template\": /^(?:(?:[^\\x00-\\x20\"'<>%\\\\^`{|}]|%[0-9a-f]{2})|\\{[+#./;?&=,!@|]?(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\\*)?(?:,(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\\*)?)*\\})*$/i,\n // For the source: https://gist.github.com/dperini/729294\n // For test cases: https://mathiasbynens.be/demo/url-regex\n url: /^(?:https?|ftp):\\/\\/(?:\\S+(?::\\S*)?@)?(?:(?!(?:10|127)(?:\\.\\d{1,3}){3})(?!(?:169\\.254|192\\.168)(?:\\.\\d{1,3}){2})(?!172\\.(?:1[6-9]|2\\d|3[0-1])(?:\\.\\d{1,3}){2})(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))|(?:(?:[a-z0-9\\u{00a1}-\\u{ffff}]+-)*[a-z0-9\\u{00a1}-\\u{ffff}]+)(?:\\.(?:[a-z0-9\\u{00a1}-\\u{ffff}]+-)*[a-z0-9\\u{00a1}-\\u{ffff}]+)*(?:\\.(?:[a-z\\u{00a1}-\\u{ffff}]{2,})))(?::\\d{2,5})?(?:\\/[^\\s]*)?$/iu,\n email: /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,\n hostname: /^(?=.{1,253}\\.?$)[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\\.[a-z0-9](?:[-0-9a-z]{0,61}[0-9a-z])?)*\\.?$/i,\n // optimized https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9780596802837/ch07s16.html\n ipv4: /^(?:(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?)$/,\n ipv6: /^((([0-9a-f]{1,4}:){7}([0-9a-f]{1,4}|:))|(([0-9a-f]{1,4}:){6}(:[0-9a-f]{1,4}|((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9a-f]{1,4}:){5}(((:[0-9a-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3})|:))|(([0-9a-f]{1,4}:){4}(((:[0-9a-f]{1,4}){1,3})|((:[0-9a-f]{1,4})?:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9a-f]{1,4}:){3}(((:[0-9a-f]{1,4}){1,4})|((:[0-9a-f]{1,4}){0,2}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9a-f]{1,4}:){2}(((:[0-9a-f]{1,4}){1,5})|((:[0-9a-f]{1,4}){0,3}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(([0-9a-f]{1,4}:){1}(((:[0-9a-f]{1,4}){1,6})|((:[0-9a-f]{1,4}){0,4}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:))|(:(((:[0-9a-f]{1,4}){1,7})|((:[0-9a-f]{1,4}){0,5}:((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)(\\.(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]?\\d)){3}))|:)))$/i,\n regex,\n // uuid: http://tools.ietf.org/html/rfc4122\n uuid: /^(?:urn:uuid:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i,\n // JSON-pointer: https://tools.ietf.org/html/rfc6901\n // uri fragment: https://tools.ietf.org/html/rfc3986#appendix-A\n \"json-pointer\": /^(?:\\/(?:[^~/]|~0|~1)*)*$/,\n \"json-pointer-uri-fragment\": /^#(?:\\/(?:[a-z0-9_\\-.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i,\n // relative JSON-pointer: http://tools.ietf.org/html/draft-luff-relative-json-pointer-00\n \"relative-json-pointer\": /^(?:0|[1-9][0-9]*)(?:#|(?:\\/(?:[^~/]|~0|~1)*)*)$/,\n // the following formats are used by the openapi specification: https://spec.openapis.org/oas/v3.0.0#data-types\n // byte: https://github.com/miguelmota/is-base64\n byte: /^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/gm,\n // signed 32 bit integer\n int32: { type: \"number\", validate: validateInt32 },\n // signed 64 bit integer\n int64: { type: \"number\", validate: validateInt64 },\n // C-type float\n float: { type: \"number\", validate: validateNumber },\n // C-type double\n double: { type: \"number\", validate: validateNumber },\n // hint to the UI to hide input strings\n password: true,\n // unchecked string payload\n binary: true,\n};\nexports.fastFormats = {\n ...exports.fullFormats,\n date: fmtDef(/^\\d\\d\\d\\d-[0-1]\\d-[0-3]\\d$/, compareDate),\n time: fmtDef(/^(?:[0-2]\\d:[0-5]\\d:[0-5]\\d|23:59:60)(?:\\.\\d+)?(?:z|[+-]\\d\\d(?::?\\d\\d)?)?$/i, compareTime),\n \"date-time\": fmtDef(/^\\d\\d\\d\\d-[0-1]\\d-[0-3]\\d[t\\s](?:[0-2]\\d:[0-5]\\d:[0-5]\\d|23:59:60)(?:\\.\\d+)?(?:z|[+-]\\d\\d(?::?\\d\\d)?)$/i, compareDateTime),\n // uri: https://github.com/mafintosh/is-my-json-valid/blob/master/formats.js\n uri: /^(?:[a-z][a-z0-9+\\-.]*:)(?:\\/?\\/)?[^\\s]*$/i,\n \"uri-reference\": /^(?:(?:[a-z][a-z0-9+\\-.]*:)?\\/?\\/)?(?:[^\\\\\\s#][^\\s#]*)?(?:#[^\\\\\\s]*)?$/i,\n // email (sources from jsen validator):\n // http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address#answer-8829363\n // http://www.w3.org/TR/html5/forms.html#valid-e-mail-address (search for 'wilful violation')\n email: /^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,\n};\nexports.formatNames = Object.keys(exports.fullFormats);\nfunction isLeapYear(year) {\n // https://tools.ietf.org/html/rfc3339#appendix-C\n return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);\n}\nconst DATE = /^(\\d\\d\\d\\d)-(\\d\\d)-(\\d\\d)$/;\nconst DAYS = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];\nfunction date(str) {\n // full-date from http://tools.ietf.org/html/rfc3339#section-5.6\n const matches = DATE.exec(str);\n if (!matches)\n return false;\n const year = +matches[1];\n const month = +matches[2];\n const day = +matches[3];\n return (month >= 1 &&\n month <= 12 &&\n day >= 1 &&\n day <= (month === 2 && isLeapYear(year) ? 29 : DAYS[month]));\n}\nfunction compareDate(d1, d2) {\n if (!(d1 && d2))\n return undefined;\n if (d1 > d2)\n return 1;\n if (d1 < d2)\n return -1;\n return 0;\n}\nconst TIME = /^(\\d\\d):(\\d\\d):(\\d\\d)(\\.\\d+)?(z|[+-]\\d\\d(?::?\\d\\d)?)?$/i;\nfunction time(str, withTimeZone) {\n const matches = TIME.exec(str);\n if (!matches)\n return false;\n const hour = +matches[1];\n const minute = +matches[2];\n const second = +matches[3];\n const timeZone = matches[5];\n return (((hour <= 23 && minute <= 59 && second <= 59) ||\n (hour === 23 && minute === 59 && second === 60)) &&\n (!withTimeZone || timeZone !== \"\"));\n}\nfunction compareTime(t1, t2) {\n if (!(t1 && t2))\n return undefined;\n const a1 = TIME.exec(t1);\n const a2 = TIME.exec(t2);\n if (!(a1 && a2))\n return undefined;\n t1 = a1[1] + a1[2] + a1[3] + (a1[4] || \"\");\n t2 = a2[1] + a2[2] + a2[3] + (a2[4] || \"\");\n if (t1 > t2)\n return 1;\n if (t1 < t2)\n return -1;\n return 0;\n}\nconst DATE_TIME_SEPARATOR = /t|\\s/i;\nfunction date_time(str) {\n // http://tools.ietf.org/html/rfc3339#section-5.6\n const dateTime = str.split(DATE_TIME_SEPARATOR);\n return dateTime.length === 2 && date(dateTime[0]) && time(dateTime[1], true);\n}\nfunction compareDateTime(dt1, dt2) {\n if (!(dt1 && dt2))\n return undefined;\n const [d1, t1] = dt1.split(DATE_TIME_SEPARATOR);\n const [d2, t2] = dt2.split(DATE_TIME_SEPARATOR);\n const res = compareDate(d1, d2);\n if (res === undefined)\n return undefined;\n return res || compareTime(t1, t2);\n}\nconst NOT_URI_FRAGMENT = /\\/|:/;\nconst URI = /^(?:[a-z][a-z0-9+\\-.]*:)(?:\\/?\\/(?:(?:[a-z0-9\\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\\.[a-z0-9\\-._~!$&'()*+,;=:]+)\\]|(?:(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d?)|(?:[a-z0-9\\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\\d*)?(?:\\/(?:[a-z0-9\\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\\/(?:(?:[a-z0-9\\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\\/(?:[a-z0-9\\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\\/(?:[a-z0-9\\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\\?(?:[a-z0-9\\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;\nfunction uri(str) {\n // http://jmrware.com/articles/2009/uri_regexp/URI_regex.html + optional protocol + required \".\"\n return NOT_URI_FRAGMENT.test(str) && URI.test(str);\n}\nconst MIN_INT32 = -(2 ** 31);\nconst MAX_INT32 = 2 ** 31 - 1;\nfunction validateInt32(value) {\n return Number.isInteger(value) && value <= MAX_INT32 && value >= MIN_INT32;\n}\nfunction validateInt64(value) {\n // JSON and javascript max Int is 2**53, so any int that passes isInteger is valid for Int64\n return Number.isInteger(value);\n}\nfunction validateNumber() {\n return true;\n}\nconst Z_ANCHOR = /[^\\\\]\\\\Z/;\nfunction regex(str) {\n if (Z_ANCHOR.test(str))\n return false;\n try {\n new RegExp(str);\n return true;\n }\n catch (e) {\n return false;\n }\n}\n//# sourceMappingURL=formats.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst formats_1 = require(\"./formats\");\nconst limit_1 = require(\"./limit\");\nconst codegen_1 = require(\"ajv/dist/compile/codegen\");\nconst fullName = new codegen_1.Name(\"fullFormats\");\nconst fastName = new codegen_1.Name(\"fastFormats\");\nconst formatsPlugin = (ajv, opts = { keywords: true }) => {\n if (Array.isArray(opts)) {\n addFormats(ajv, opts, formats_1.fullFormats, fullName);\n return ajv;\n }\n const [formats, exportName] = opts.mode === \"fast\" ? [formats_1.fastFormats, fastName] : [formats_1.fullFormats, fullName];\n const list = opts.formats || formats_1.formatNames;\n addFormats(ajv, list, formats, exportName);\n if (opts.keywords)\n limit_1.default(ajv);\n return ajv;\n};\nformatsPlugin.get = (name, mode = \"full\") => {\n const formats = mode === \"fast\" ? formats_1.fastFormats : formats_1.fullFormats;\n const f = formats[name];\n if (!f)\n throw new Error(`Unknown format \"${name}\"`);\n return f;\n};\nfunction addFormats(ajv, list, fs, exportName) {\n var _a;\n var _b;\n (_a = (_b = ajv.opts.code).formats) !== null && _a !== void 0 ? _a : (_b.formats = codegen_1._ `require(\"ajv-formats/dist/formats\").${exportName}`);\n for (const f of list)\n ajv.addFormat(f, fs[f]);\n}\nmodule.exports = exports = formatsPlugin;\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.default = formatsPlugin;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.formatLimitDefinition = void 0;\nconst ajv_1 = require(\"ajv\");\nconst codegen_1 = require(\"ajv/dist/compile/codegen\");\nconst ops = codegen_1.operators;\nconst KWDs = {\n formatMaximum: { okStr: \"<=\", ok: ops.LTE, fail: ops.GT },\n formatMinimum: { okStr: \">=\", ok: ops.GTE, fail: ops.LT },\n formatExclusiveMaximum: { okStr: \"<\", ok: ops.LT, fail: ops.GTE },\n formatExclusiveMinimum: { okStr: \">\", ok: ops.GT, fail: ops.LTE },\n};\nconst error = {\n message: ({ keyword, schemaCode }) => codegen_1.str `should be ${KWDs[keyword].okStr} ${schemaCode}`,\n params: ({ keyword, schemaCode }) => codegen_1._ `{comparison: ${KWDs[keyword].okStr}, limit: ${schemaCode}}`,\n};\nexports.formatLimitDefinition = {\n keyword: Object.keys(KWDs),\n type: \"string\",\n schemaType: \"string\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, schemaCode, keyword, it } = cxt;\n const { opts, self } = it;\n if (!opts.validateFormats)\n return;\n const fCxt = new ajv_1.KeywordCxt(it, self.RULES.all.format.definition, \"format\");\n if (fCxt.$data)\n validate$DataFormat();\n else\n validateFormat();\n function validate$DataFormat() {\n const fmts = gen.scopeValue(\"formats\", {\n ref: self.formats,\n code: opts.code.formats,\n });\n const fmt = gen.const(\"fmt\", codegen_1._ `${fmts}[${fCxt.schemaCode}]`);\n cxt.fail$data(codegen_1.or(codegen_1._ `typeof ${fmt} != \"object\"`, codegen_1._ `${fmt} instanceof RegExp`, codegen_1._ `typeof ${fmt}.compare != \"function\"`, compareCode(fmt)));\n }\n function validateFormat() {\n const format = fCxt.schema;\n const fmtDef = self.formats[format];\n if (!fmtDef || fmtDef === true)\n return;\n if (typeof fmtDef != \"object\" ||\n fmtDef instanceof RegExp ||\n typeof fmtDef.compare != \"function\") {\n throw new Error(`\"${keyword}\": format \"${format}\" does not define \"compare\" function`);\n }\n const fmt = gen.scopeValue(\"formats\", {\n key: format,\n ref: fmtDef,\n code: opts.code.formats ? codegen_1._ `${opts.code.formats}${codegen_1.getProperty(format)}` : undefined,\n });\n cxt.fail$data(compareCode(fmt));\n }\n function compareCode(fmt) {\n return codegen_1._ `${fmt}.compare(${data}, ${schemaCode}) ${KWDs[keyword].fail} 0`;\n }\n },\n dependencies: [\"format\"],\n};\nconst formatLimitPlugin = (ajv) => {\n ajv.addKeyword(exports.formatLimitDefinition);\n return ajv;\n};\nexports.default = formatLimitPlugin;\n//# sourceMappingURL=limit.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.CodeGen = exports.Name = exports.nil = exports.stringify = exports.str = exports._ = exports.KeywordCxt = void 0;\nconst core_1 = require(\"./core\");\nconst draft7_1 = require(\"./vocabularies/draft7\");\nconst discriminator_1 = require(\"./vocabularies/discriminator\");\nconst draft7MetaSchema = require(\"./refs/json-schema-draft-07.json\");\nconst META_SUPPORT_DATA = [\"/properties\"];\nconst META_SCHEMA_ID = \"http://json-schema.org/draft-07/schema\";\nclass Ajv extends core_1.default {\n _addVocabularies() {\n super._addVocabularies();\n draft7_1.default.forEach((v) => this.addVocabulary(v));\n if (this.opts.discriminator)\n this.addKeyword(discriminator_1.default);\n }\n _addDefaultMetaSchema() {\n super._addDefaultMetaSchema();\n if (!this.opts.meta)\n return;\n const metaSchema = this.opts.$data\n ? this.$dataMetaSchema(draft7MetaSchema, META_SUPPORT_DATA)\n : draft7MetaSchema;\n this.addMetaSchema(metaSchema, META_SCHEMA_ID, false);\n this.refs[\"http://json-schema.org/schema\"] = META_SCHEMA_ID;\n }\n defaultMeta() {\n return (this.opts.defaultMeta =\n super.defaultMeta() || (this.getSchema(META_SCHEMA_ID) ? META_SCHEMA_ID : undefined));\n }\n}\nmodule.exports = exports = Ajv;\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.default = Ajv;\nvar validate_1 = require(\"./compile/validate\");\nObject.defineProperty(exports, \"KeywordCxt\", { enumerable: true, get: function () { return validate_1.KeywordCxt; } });\nvar codegen_1 = require(\"./compile/codegen\");\nObject.defineProperty(exports, \"_\", { enumerable: true, get: function () { return codegen_1._; } });\nObject.defineProperty(exports, \"str\", { enumerable: true, get: function () { return codegen_1.str; } });\nObject.defineProperty(exports, \"stringify\", { enumerable: true, get: function () { return codegen_1.stringify; } });\nObject.defineProperty(exports, \"nil\", { enumerable: true, get: function () { return codegen_1.nil; } });\nObject.defineProperty(exports, \"Name\", { enumerable: true, get: function () { return codegen_1.Name; } });\nObject.defineProperty(exports, \"CodeGen\", { enumerable: true, get: function () { return codegen_1.CodeGen; } });\n//# sourceMappingURL=ajv.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.regexpCode = exports.getProperty = exports.safeStringify = exports.stringify = exports.strConcat = exports.addCodeArg = exports.str = exports._ = exports.nil = exports._Code = exports.Name = exports.IDENTIFIER = exports._CodeOrName = void 0;\nclass _CodeOrName {\n}\nexports._CodeOrName = _CodeOrName;\nexports.IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;\nclass Name extends _CodeOrName {\n constructor(s) {\n super();\n if (!exports.IDENTIFIER.test(s))\n throw new Error(\"CodeGen: name must be a valid identifier\");\n this.str = s;\n }\n toString() {\n return this.str;\n }\n emptyStr() {\n return false;\n }\n get names() {\n return { [this.str]: 1 };\n }\n}\nexports.Name = Name;\nclass _Code extends _CodeOrName {\n constructor(code) {\n super();\n this._items = typeof code === \"string\" ? [code] : code;\n }\n toString() {\n return this.str;\n }\n emptyStr() {\n if (this._items.length > 1)\n return false;\n const item = this._items[0];\n return item === \"\" || item === '\"\"';\n }\n get str() {\n var _a;\n return ((_a = this._str) !== null && _a !== void 0 ? _a : (this._str = this._items.reduce((s, c) => `${s}${c}`, \"\")));\n }\n get names() {\n var _a;\n return ((_a = this._names) !== null && _a !== void 0 ? _a : (this._names = this._items.reduce((names, c) => {\n if (c instanceof Name)\n names[c.str] = (names[c.str] || 0) + 1;\n return names;\n }, {})));\n }\n}\nexports._Code = _Code;\nexports.nil = new _Code(\"\");\nfunction _(strs, ...args) {\n const code = [strs[0]];\n let i = 0;\n while (i < args.length) {\n addCodeArg(code, args[i]);\n code.push(strs[++i]);\n }\n return new _Code(code);\n}\nexports._ = _;\nconst plus = new _Code(\"+\");\nfunction str(strs, ...args) {\n const expr = [safeStringify(strs[0])];\n let i = 0;\n while (i < args.length) {\n expr.push(plus);\n addCodeArg(expr, args[i]);\n expr.push(plus, safeStringify(strs[++i]));\n }\n optimize(expr);\n return new _Code(expr);\n}\nexports.str = str;\nfunction addCodeArg(code, arg) {\n if (arg instanceof _Code)\n code.push(...arg._items);\n else if (arg instanceof Name)\n code.push(arg);\n else\n code.push(interpolate(arg));\n}\nexports.addCodeArg = addCodeArg;\nfunction optimize(expr) {\n let i = 1;\n while (i < expr.length - 1) {\n if (expr[i] === plus) {\n const res = mergeExprItems(expr[i - 1], expr[i + 1]);\n if (res !== undefined) {\n expr.splice(i - 1, 3, res);\n continue;\n }\n expr[i++] = \"+\";\n }\n i++;\n }\n}\nfunction mergeExprItems(a, b) {\n if (b === '\"\"')\n return a;\n if (a === '\"\"')\n return b;\n if (typeof a == \"string\") {\n if (b instanceof Name || a[a.length - 1] !== '\"')\n return;\n if (typeof b != \"string\")\n return `${a.slice(0, -1)}${b}\"`;\n if (b[0] === '\"')\n return a.slice(0, -1) + b.slice(1);\n return;\n }\n if (typeof b == \"string\" && b[0] === '\"' && !(a instanceof Name))\n return `\"${a}${b.slice(1)}`;\n return;\n}\nfunction strConcat(c1, c2) {\n return c2.emptyStr() ? c1 : c1.emptyStr() ? c2 : str `${c1}${c2}`;\n}\nexports.strConcat = strConcat;\n// TODO do not allow arrays here\nfunction interpolate(x) {\n return typeof x == \"number\" || typeof x == \"boolean\" || x === null\n ? x\n : safeStringify(Array.isArray(x) ? x.join(\",\") : x);\n}\nfunction stringify(x) {\n return new _Code(safeStringify(x));\n}\nexports.stringify = stringify;\nfunction safeStringify(x) {\n return JSON.stringify(x)\n .replace(/\\u2028/g, \"\\\\u2028\")\n .replace(/\\u2029/g, \"\\\\u2029\");\n}\nexports.safeStringify = safeStringify;\nfunction getProperty(key) {\n return typeof key == \"string\" && exports.IDENTIFIER.test(key) ? new _Code(`.${key}`) : _ `[${key}]`;\n}\nexports.getProperty = getProperty;\nfunction regexpCode(rx) {\n return new _Code(rx.toString());\n}\nexports.regexpCode = regexpCode;\n//# sourceMappingURL=code.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.or = exports.and = exports.not = exports.CodeGen = exports.operators = exports.varKinds = exports.ValueScopeName = exports.ValueScope = exports.Scope = exports.Name = exports.regexpCode = exports.stringify = exports.getProperty = exports.nil = exports.strConcat = exports.str = exports._ = void 0;\nconst code_1 = require(\"./code\");\nconst scope_1 = require(\"./scope\");\nvar code_2 = require(\"./code\");\nObject.defineProperty(exports, \"_\", { enumerable: true, get: function () { return code_2._; } });\nObject.defineProperty(exports, \"str\", { enumerable: true, get: function () { return code_2.str; } });\nObject.defineProperty(exports, \"strConcat\", { enumerable: true, get: function () { return code_2.strConcat; } });\nObject.defineProperty(exports, \"nil\", { enumerable: true, get: function () { return code_2.nil; } });\nObject.defineProperty(exports, \"getProperty\", { enumerable: true, get: function () { return code_2.getProperty; } });\nObject.defineProperty(exports, \"stringify\", { enumerable: true, get: function () { return code_2.stringify; } });\nObject.defineProperty(exports, \"regexpCode\", { enumerable: true, get: function () { return code_2.regexpCode; } });\nObject.defineProperty(exports, \"Name\", { enumerable: true, get: function () { return code_2.Name; } });\nvar scope_2 = require(\"./scope\");\nObject.defineProperty(exports, \"Scope\", { enumerable: true, get: function () { return scope_2.Scope; } });\nObject.defineProperty(exports, \"ValueScope\", { enumerable: true, get: function () { return scope_2.ValueScope; } });\nObject.defineProperty(exports, \"ValueScopeName\", { enumerable: true, get: function () { return scope_2.ValueScopeName; } });\nObject.defineProperty(exports, \"varKinds\", { enumerable: true, get: function () { return scope_2.varKinds; } });\nexports.operators = {\n GT: new code_1._Code(\">\"),\n GTE: new code_1._Code(\">=\"),\n LT: new code_1._Code(\"<\"),\n LTE: new code_1._Code(\"<=\"),\n EQ: new code_1._Code(\"===\"),\n NEQ: new code_1._Code(\"!==\"),\n NOT: new code_1._Code(\"!\"),\n OR: new code_1._Code(\"||\"),\n AND: new code_1._Code(\"&&\"),\n ADD: new code_1._Code(\"+\"),\n};\nclass Node {\n optimizeNodes() {\n return this;\n }\n optimizeNames(_names, _constants) {\n return this;\n }\n}\nclass Def extends Node {\n constructor(varKind, name, rhs) {\n super();\n this.varKind = varKind;\n this.name = name;\n this.rhs = rhs;\n }\n render({ es5, _n }) {\n const varKind = es5 ? scope_1.varKinds.var : this.varKind;\n const rhs = this.rhs === undefined ? \"\" : ` = ${this.rhs}`;\n return `${varKind} ${this.name}${rhs};` + _n;\n }\n optimizeNames(names, constants) {\n if (!names[this.name.str])\n return;\n if (this.rhs)\n this.rhs = optimizeExpr(this.rhs, names, constants);\n return this;\n }\n get names() {\n return this.rhs instanceof code_1._CodeOrName ? this.rhs.names : {};\n }\n}\nclass Assign extends Node {\n constructor(lhs, rhs, sideEffects) {\n super();\n this.lhs = lhs;\n this.rhs = rhs;\n this.sideEffects = sideEffects;\n }\n render({ _n }) {\n return `${this.lhs} = ${this.rhs};` + _n;\n }\n optimizeNames(names, constants) {\n if (this.lhs instanceof code_1.Name && !names[this.lhs.str] && !this.sideEffects)\n return;\n this.rhs = optimizeExpr(this.rhs, names, constants);\n return this;\n }\n get names() {\n const names = this.lhs instanceof code_1.Name ? {} : { ...this.lhs.names };\n return addExprNames(names, this.rhs);\n }\n}\nclass AssignOp extends Assign {\n constructor(lhs, op, rhs, sideEffects) {\n super(lhs, rhs, sideEffects);\n this.op = op;\n }\n render({ _n }) {\n return `${this.lhs} ${this.op}= ${this.rhs};` + _n;\n }\n}\nclass Label extends Node {\n constructor(label) {\n super();\n this.label = label;\n this.names = {};\n }\n render({ _n }) {\n return `${this.label}:` + _n;\n }\n}\nclass Break extends Node {\n constructor(label) {\n super();\n this.label = label;\n this.names = {};\n }\n render({ _n }) {\n const label = this.label ? ` ${this.label}` : \"\";\n return `break${label};` + _n;\n }\n}\nclass Throw extends Node {\n constructor(error) {\n super();\n this.error = error;\n }\n render({ _n }) {\n return `throw ${this.error};` + _n;\n }\n get names() {\n return this.error.names;\n }\n}\nclass AnyCode extends Node {\n constructor(code) {\n super();\n this.code = code;\n }\n render({ _n }) {\n return `${this.code};` + _n;\n }\n optimizeNodes() {\n return `${this.code}` ? this : undefined;\n }\n optimizeNames(names, constants) {\n this.code = optimizeExpr(this.code, names, constants);\n return this;\n }\n get names() {\n return this.code instanceof code_1._CodeOrName ? this.code.names : {};\n }\n}\nclass ParentNode extends Node {\n constructor(nodes = []) {\n super();\n this.nodes = nodes;\n }\n render(opts) {\n return this.nodes.reduce((code, n) => code + n.render(opts), \"\");\n }\n optimizeNodes() {\n const { nodes } = this;\n let i = nodes.length;\n while (i--) {\n const n = nodes[i].optimizeNodes();\n if (Array.isArray(n))\n nodes.splice(i, 1, ...n);\n else if (n)\n nodes[i] = n;\n else\n nodes.splice(i, 1);\n }\n return nodes.length > 0 ? this : undefined;\n }\n optimizeNames(names, constants) {\n const { nodes } = this;\n let i = nodes.length;\n while (i--) {\n // iterating backwards improves 1-pass optimization\n const n = nodes[i];\n if (n.optimizeNames(names, constants))\n continue;\n subtractNames(names, n.names);\n nodes.splice(i, 1);\n }\n return nodes.length > 0 ? this : undefined;\n }\n get names() {\n return this.nodes.reduce((names, n) => addNames(names, n.names), {});\n }\n}\nclass BlockNode extends ParentNode {\n render(opts) {\n return \"{\" + opts._n + super.render(opts) + \"}\" + opts._n;\n }\n}\nclass Root extends ParentNode {\n}\nclass Else extends BlockNode {\n}\nElse.kind = \"else\";\nclass If extends BlockNode {\n constructor(condition, nodes) {\n super(nodes);\n this.condition = condition;\n }\n render(opts) {\n let code = `if(${this.condition})` + super.render(opts);\n if (this.else)\n code += \"else \" + this.else.render(opts);\n return code;\n }\n optimizeNodes() {\n super.optimizeNodes();\n const cond = this.condition;\n if (cond === true)\n return this.nodes; // else is ignored here\n let e = this.else;\n if (e) {\n const ns = e.optimizeNodes();\n e = this.else = Array.isArray(ns) ? new Else(ns) : ns;\n }\n if (e) {\n if (cond === false)\n return e instanceof If ? e : e.nodes;\n if (this.nodes.length)\n return this;\n return new If(not(cond), e instanceof If ? [e] : e.nodes);\n }\n if (cond === false || !this.nodes.length)\n return undefined;\n return this;\n }\n optimizeNames(names, constants) {\n var _a;\n this.else = (_a = this.else) === null || _a === void 0 ? void 0 : _a.optimizeNames(names, constants);\n if (!(super.optimizeNames(names, constants) || this.else))\n return;\n this.condition = optimizeExpr(this.condition, names, constants);\n return this;\n }\n get names() {\n const names = super.names;\n addExprNames(names, this.condition);\n if (this.else)\n addNames(names, this.else.names);\n return names;\n }\n}\nIf.kind = \"if\";\nclass For extends BlockNode {\n}\nFor.kind = \"for\";\nclass ForLoop extends For {\n constructor(iteration) {\n super();\n this.iteration = iteration;\n }\n render(opts) {\n return `for(${this.iteration})` + super.render(opts);\n }\n optimizeNames(names, constants) {\n if (!super.optimizeNames(names, constants))\n return;\n this.iteration = optimizeExpr(this.iteration, names, constants);\n return this;\n }\n get names() {\n return addNames(super.names, this.iteration.names);\n }\n}\nclass ForRange extends For {\n constructor(varKind, name, from, to) {\n super();\n this.varKind = varKind;\n this.name = name;\n this.from = from;\n this.to = to;\n }\n render(opts) {\n const varKind = opts.es5 ? scope_1.varKinds.var : this.varKind;\n const { name, from, to } = this;\n return `for(${varKind} ${name}=${from}; ${name}<${to}; ${name}++)` + super.render(opts);\n }\n get names() {\n const names = addExprNames(super.names, this.from);\n return addExprNames(names, this.to);\n }\n}\nclass ForIter extends For {\n constructor(loop, varKind, name, iterable) {\n super();\n this.loop = loop;\n this.varKind = varKind;\n this.name = name;\n this.iterable = iterable;\n }\n render(opts) {\n return `for(${this.varKind} ${this.name} ${this.loop} ${this.iterable})` + super.render(opts);\n }\n optimizeNames(names, constants) {\n if (!super.optimizeNames(names, constants))\n return;\n this.iterable = optimizeExpr(this.iterable, names, constants);\n return this;\n }\n get names() {\n return addNames(super.names, this.iterable.names);\n }\n}\nclass Func extends BlockNode {\n constructor(name, args, async) {\n super();\n this.name = name;\n this.args = args;\n this.async = async;\n }\n render(opts) {\n const _async = this.async ? \"async \" : \"\";\n return `${_async}function ${this.name}(${this.args})` + super.render(opts);\n }\n}\nFunc.kind = \"func\";\nclass Return extends ParentNode {\n render(opts) {\n return \"return \" + super.render(opts);\n }\n}\nReturn.kind = \"return\";\nclass Try extends BlockNode {\n render(opts) {\n let code = \"try\" + super.render(opts);\n if (this.catch)\n code += this.catch.render(opts);\n if (this.finally)\n code += this.finally.render(opts);\n return code;\n }\n optimizeNodes() {\n var _a, _b;\n super.optimizeNodes();\n (_a = this.catch) === null || _a === void 0 ? void 0 : _a.optimizeNodes();\n (_b = this.finally) === null || _b === void 0 ? void 0 : _b.optimizeNodes();\n return this;\n }\n optimizeNames(names, constants) {\n var _a, _b;\n super.optimizeNames(names, constants);\n (_a = this.catch) === null || _a === void 0 ? void 0 : _a.optimizeNames(names, constants);\n (_b = this.finally) === null || _b === void 0 ? void 0 : _b.optimizeNames(names, constants);\n return this;\n }\n get names() {\n const names = super.names;\n if (this.catch)\n addNames(names, this.catch.names);\n if (this.finally)\n addNames(names, this.finally.names);\n return names;\n }\n}\nclass Catch extends BlockNode {\n constructor(error) {\n super();\n this.error = error;\n }\n render(opts) {\n return `catch(${this.error})` + super.render(opts);\n }\n}\nCatch.kind = \"catch\";\nclass Finally extends BlockNode {\n render(opts) {\n return \"finally\" + super.render(opts);\n }\n}\nFinally.kind = \"finally\";\nclass CodeGen {\n constructor(extScope, opts = {}) {\n this._values = {};\n this._blockStarts = [];\n this._constants = {};\n this.opts = { ...opts, _n: opts.lines ? \"\\n\" : \"\" };\n this._extScope = extScope;\n this._scope = new scope_1.Scope({ parent: extScope });\n this._nodes = [new Root()];\n }\n toString() {\n return this._root.render(this.opts);\n }\n // returns unique name in the internal scope\n name(prefix) {\n return this._scope.name(prefix);\n }\n // reserves unique name in the external scope\n scopeName(prefix) {\n return this._extScope.name(prefix);\n }\n // reserves unique name in the external scope and assigns value to it\n scopeValue(prefixOrName, value) {\n const name = this._extScope.value(prefixOrName, value);\n const vs = this._values[name.prefix] || (this._values[name.prefix] = new Set());\n vs.add(name);\n return name;\n }\n getScopeValue(prefix, keyOrRef) {\n return this._extScope.getValue(prefix, keyOrRef);\n }\n // return code that assigns values in the external scope to the names that are used internally\n // (same names that were returned by gen.scopeName or gen.scopeValue)\n scopeRefs(scopeName) {\n return this._extScope.scopeRefs(scopeName, this._values);\n }\n scopeCode() {\n return this._extScope.scopeCode(this._values);\n }\n _def(varKind, nameOrPrefix, rhs, constant) {\n const name = this._scope.toName(nameOrPrefix);\n if (rhs !== undefined && constant)\n this._constants[name.str] = rhs;\n this._leafNode(new Def(varKind, name, rhs));\n return name;\n }\n // `const` declaration (`var` in es5 mode)\n const(nameOrPrefix, rhs, _constant) {\n return this._def(scope_1.varKinds.const, nameOrPrefix, rhs, _constant);\n }\n // `let` declaration with optional assignment (`var` in es5 mode)\n let(nameOrPrefix, rhs, _constant) {\n return this._def(scope_1.varKinds.let, nameOrPrefix, rhs, _constant);\n }\n // `var` declaration with optional assignment\n var(nameOrPrefix, rhs, _constant) {\n return this._def(scope_1.varKinds.var, nameOrPrefix, rhs, _constant);\n }\n // assignment code\n assign(lhs, rhs, sideEffects) {\n return this._leafNode(new Assign(lhs, rhs, sideEffects));\n }\n // `+=` code\n add(lhs, rhs) {\n return this._leafNode(new AssignOp(lhs, exports.operators.ADD, rhs));\n }\n // appends passed SafeExpr to code or executes Block\n code(c) {\n if (typeof c == \"function\")\n c();\n else if (c !== code_1.nil)\n this._leafNode(new AnyCode(c));\n return this;\n }\n // returns code for object literal for the passed argument list of key-value pairs\n object(...keyValues) {\n const code = [\"{\"];\n for (const [key, value] of keyValues) {\n if (code.length > 1)\n code.push(\",\");\n code.push(key);\n if (key !== value || this.opts.es5) {\n code.push(\":\");\n code_1.addCodeArg(code, value);\n }\n }\n code.push(\"}\");\n return new code_1._Code(code);\n }\n // `if` clause (or statement if `thenBody` and, optionally, `elseBody` are passed)\n if(condition, thenBody, elseBody) {\n this._blockNode(new If(condition));\n if (thenBody && elseBody) {\n this.code(thenBody).else().code(elseBody).endIf();\n }\n else if (thenBody) {\n this.code(thenBody).endIf();\n }\n else if (elseBody) {\n throw new Error('CodeGen: \"else\" body without \"then\" body');\n }\n return this;\n }\n // `else if` clause - invalid without `if` or after `else` clauses\n elseIf(condition) {\n return this._elseNode(new If(condition));\n }\n // `else` clause - only valid after `if` or `else if` clauses\n else() {\n return this._elseNode(new Else());\n }\n // end `if` statement (needed if gen.if was used only with condition)\n endIf() {\n return this._endBlockNode(If, Else);\n }\n _for(node, forBody) {\n this._blockNode(node);\n if (forBody)\n this.code(forBody).endFor();\n return this;\n }\n // a generic `for` clause (or statement if `forBody` is passed)\n for(iteration, forBody) {\n return this._for(new ForLoop(iteration), forBody);\n }\n // `for` statement for a range of values\n forRange(nameOrPrefix, from, to, forBody, varKind = this.opts.es5 ? scope_1.varKinds.var : scope_1.varKinds.let) {\n const name = this._scope.toName(nameOrPrefix);\n return this._for(new ForRange(varKind, name, from, to), () => forBody(name));\n }\n // `for-of` statement (in es5 mode replace with a normal for loop)\n forOf(nameOrPrefix, iterable, forBody, varKind = scope_1.varKinds.const) {\n const name = this._scope.toName(nameOrPrefix);\n if (this.opts.es5) {\n const arr = iterable instanceof code_1.Name ? iterable : this.var(\"_arr\", iterable);\n return this.forRange(\"_i\", 0, code_1._ `${arr}.length`, (i) => {\n this.var(name, code_1._ `${arr}[${i}]`);\n forBody(name);\n });\n }\n return this._for(new ForIter(\"of\", varKind, name, iterable), () => forBody(name));\n }\n // `for-in` statement.\n // With option `ownProperties` replaced with a `for-of` loop for object keys\n forIn(nameOrPrefix, obj, forBody, varKind = this.opts.es5 ? scope_1.varKinds.var : scope_1.varKinds.const) {\n if (this.opts.ownProperties) {\n return this.forOf(nameOrPrefix, code_1._ `Object.keys(${obj})`, forBody);\n }\n const name = this._scope.toName(nameOrPrefix);\n return this._for(new ForIter(\"in\", varKind, name, obj), () => forBody(name));\n }\n // end `for` loop\n endFor() {\n return this._endBlockNode(For);\n }\n // `label` statement\n label(label) {\n return this._leafNode(new Label(label));\n }\n // `break` statement\n break(label) {\n return this._leafNode(new Break(label));\n }\n // `return` statement\n return(value) {\n const node = new Return();\n this._blockNode(node);\n this.code(value);\n if (node.nodes.length !== 1)\n throw new Error('CodeGen: \"return\" should have one node');\n return this._endBlockNode(Return);\n }\n // `try` statement\n try(tryBody, catchCode, finallyCode) {\n if (!catchCode && !finallyCode)\n throw new Error('CodeGen: \"try\" without \"catch\" and \"finally\"');\n const node = new Try();\n this._blockNode(node);\n this.code(tryBody);\n if (catchCode) {\n const error = this.name(\"e\");\n this._currNode = node.catch = new Catch(error);\n catchCode(error);\n }\n if (finallyCode) {\n this._currNode = node.finally = new Finally();\n this.code(finallyCode);\n }\n return this._endBlockNode(Catch, Finally);\n }\n // `throw` statement\n throw(error) {\n return this._leafNode(new Throw(error));\n }\n // start self-balancing block\n block(body, nodeCount) {\n this._blockStarts.push(this._nodes.length);\n if (body)\n this.code(body).endBlock(nodeCount);\n return this;\n }\n // end the current self-balancing block\n endBlock(nodeCount) {\n const len = this._blockStarts.pop();\n if (len === undefined)\n throw new Error(\"CodeGen: not in self-balancing block\");\n const toClose = this._nodes.length - len;\n if (toClose < 0 || (nodeCount !== undefined && toClose !== nodeCount)) {\n throw new Error(`CodeGen: wrong number of nodes: ${toClose} vs ${nodeCount} expected`);\n }\n this._nodes.length = len;\n return this;\n }\n // `function` heading (or definition if funcBody is passed)\n func(name, args = code_1.nil, async, funcBody) {\n this._blockNode(new Func(name, args, async));\n if (funcBody)\n this.code(funcBody).endFunc();\n return this;\n }\n // end function definition\n endFunc() {\n return this._endBlockNode(Func);\n }\n optimize(n = 1) {\n while (n-- > 0) {\n this._root.optimizeNodes();\n this._root.optimizeNames(this._root.names, this._constants);\n }\n }\n _leafNode(node) {\n this._currNode.nodes.push(node);\n return this;\n }\n _blockNode(node) {\n this._currNode.nodes.push(node);\n this._nodes.push(node);\n }\n _endBlockNode(N1, N2) {\n const n = this._currNode;\n if (n instanceof N1 || (N2 && n instanceof N2)) {\n this._nodes.pop();\n return this;\n }\n throw new Error(`CodeGen: not in block \"${N2 ? `${N1.kind}/${N2.kind}` : N1.kind}\"`);\n }\n _elseNode(node) {\n const n = this._currNode;\n if (!(n instanceof If)) {\n throw new Error('CodeGen: \"else\" without \"if\"');\n }\n this._currNode = n.else = node;\n return this;\n }\n get _root() {\n return this._nodes[0];\n }\n get _currNode() {\n const ns = this._nodes;\n return ns[ns.length - 1];\n }\n set _currNode(node) {\n const ns = this._nodes;\n ns[ns.length - 1] = node;\n }\n}\nexports.CodeGen = CodeGen;\nfunction addNames(names, from) {\n for (const n in from)\n names[n] = (names[n] || 0) + (from[n] || 0);\n return names;\n}\nfunction addExprNames(names, from) {\n return from instanceof code_1._CodeOrName ? addNames(names, from.names) : names;\n}\nfunction optimizeExpr(expr, names, constants) {\n if (expr instanceof code_1.Name)\n return replaceName(expr);\n if (!canOptimize(expr))\n return expr;\n return new code_1._Code(expr._items.reduce((items, c) => {\n if (c instanceof code_1.Name)\n c = replaceName(c);\n if (c instanceof code_1._Code)\n items.push(...c._items);\n else\n items.push(c);\n return items;\n }, []));\n function replaceName(n) {\n const c = constants[n.str];\n if (c === undefined || names[n.str] !== 1)\n return n;\n delete names[n.str];\n return c;\n }\n function canOptimize(e) {\n return (e instanceof code_1._Code &&\n e._items.some((c) => c instanceof code_1.Name && names[c.str] === 1 && constants[c.str] !== undefined));\n }\n}\nfunction subtractNames(names, from) {\n for (const n in from)\n names[n] = (names[n] || 0) - (from[n] || 0);\n}\nfunction not(x) {\n return typeof x == \"boolean\" || typeof x == \"number\" || x === null ? !x : code_1._ `!${par(x)}`;\n}\nexports.not = not;\nconst andCode = mappend(exports.operators.AND);\n// boolean AND (&&) expression with the passed arguments\nfunction and(...args) {\n return args.reduce(andCode);\n}\nexports.and = and;\nconst orCode = mappend(exports.operators.OR);\n// boolean OR (||) expression with the passed arguments\nfunction or(...args) {\n return args.reduce(orCode);\n}\nexports.or = or;\nfunction mappend(op) {\n return (x, y) => (x === code_1.nil ? y : y === code_1.nil ? x : code_1._ `${par(x)} ${op} ${par(y)}`);\n}\nfunction par(x) {\n return x instanceof code_1.Name ? x : code_1._ `(${x})`;\n}\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.ValueScope = exports.ValueScopeName = exports.Scope = exports.varKinds = exports.UsedValueState = void 0;\nconst code_1 = require(\"./code\");\nclass ValueError extends Error {\n constructor(name) {\n super(`CodeGen: \"code\" for ${name} not defined`);\n this.value = name.value;\n }\n}\nvar UsedValueState;\n(function (UsedValueState) {\n UsedValueState[UsedValueState[\"Started\"] = 0] = \"Started\";\n UsedValueState[UsedValueState[\"Completed\"] = 1] = \"Completed\";\n})(UsedValueState = exports.UsedValueState || (exports.UsedValueState = {}));\nexports.varKinds = {\n const: new code_1.Name(\"const\"),\n let: new code_1.Name(\"let\"),\n var: new code_1.Name(\"var\"),\n};\nclass Scope {\n constructor({ prefixes, parent } = {}) {\n this._names = {};\n this._prefixes = prefixes;\n this._parent = parent;\n }\n toName(nameOrPrefix) {\n return nameOrPrefix instanceof code_1.Name ? nameOrPrefix : this.name(nameOrPrefix);\n }\n name(prefix) {\n return new code_1.Name(this._newName(prefix));\n }\n _newName(prefix) {\n const ng = this._names[prefix] || this._nameGroup(prefix);\n return `${prefix}${ng.index++}`;\n }\n _nameGroup(prefix) {\n var _a, _b;\n if (((_b = (_a = this._parent) === null || _a === void 0 ? void 0 : _a._prefixes) === null || _b === void 0 ? void 0 : _b.has(prefix)) || (this._prefixes && !this._prefixes.has(prefix))) {\n throw new Error(`CodeGen: prefix \"${prefix}\" is not allowed in this scope`);\n }\n return (this._names[prefix] = { prefix, index: 0 });\n }\n}\nexports.Scope = Scope;\nclass ValueScopeName extends code_1.Name {\n constructor(prefix, nameStr) {\n super(nameStr);\n this.prefix = prefix;\n }\n setValue(value, { property, itemIndex }) {\n this.value = value;\n this.scopePath = code_1._ `.${new code_1.Name(property)}[${itemIndex}]`;\n }\n}\nexports.ValueScopeName = ValueScopeName;\nconst line = code_1._ `\\n`;\nclass ValueScope extends Scope {\n constructor(opts) {\n super(opts);\n this._values = {};\n this._scope = opts.scope;\n this.opts = { ...opts, _n: opts.lines ? line : code_1.nil };\n }\n get() {\n return this._scope;\n }\n name(prefix) {\n return new ValueScopeName(prefix, this._newName(prefix));\n }\n value(nameOrPrefix, value) {\n var _a;\n if (value.ref === undefined)\n throw new Error(\"CodeGen: ref must be passed in value\");\n const name = this.toName(nameOrPrefix);\n const { prefix } = name;\n const valueKey = (_a = value.key) !== null && _a !== void 0 ? _a : value.ref;\n let vs = this._values[prefix];\n if (vs) {\n const _name = vs.get(valueKey);\n if (_name)\n return _name;\n }\n else {\n vs = this._values[prefix] = new Map();\n }\n vs.set(valueKey, name);\n const s = this._scope[prefix] || (this._scope[prefix] = []);\n const itemIndex = s.length;\n s[itemIndex] = value.ref;\n name.setValue(value, { property: prefix, itemIndex });\n return name;\n }\n getValue(prefix, keyOrRef) {\n const vs = this._values[prefix];\n if (!vs)\n return;\n return vs.get(keyOrRef);\n }\n scopeRefs(scopeName, values = this._values) {\n return this._reduceValues(values, (name) => {\n if (name.scopePath === undefined)\n throw new Error(`CodeGen: name \"${name}\" has no value`);\n return code_1._ `${scopeName}${name.scopePath}`;\n });\n }\n scopeCode(values = this._values, usedValues, getCode) {\n return this._reduceValues(values, (name) => {\n if (name.value === undefined)\n throw new Error(`CodeGen: name \"${name}\" has no value`);\n return name.value.code;\n }, usedValues, getCode);\n }\n _reduceValues(values, valueCode, usedValues = {}, getCode) {\n let code = code_1.nil;\n for (const prefix in values) {\n const vs = values[prefix];\n if (!vs)\n continue;\n const nameSet = (usedValues[prefix] = usedValues[prefix] || new Map());\n vs.forEach((name) => {\n if (nameSet.has(name))\n return;\n nameSet.set(name, UsedValueState.Started);\n let c = valueCode(name);\n if (c) {\n const def = this.opts.es5 ? exports.varKinds.var : exports.varKinds.const;\n code = code_1._ `${code}${def} ${name} = ${c};${this.opts._n}`;\n }\n else if ((c = getCode === null || getCode === void 0 ? void 0 : getCode(name))) {\n code = code_1._ `${code}${c}${this.opts._n}`;\n }\n else {\n throw new ValueError(name);\n }\n nameSet.set(name, UsedValueState.Completed);\n });\n }\n return code;\n }\n}\nexports.ValueScope = ValueScope;\n//# sourceMappingURL=scope.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.extendErrors = exports.resetErrorsCount = exports.reportExtraError = exports.reportError = exports.keyword$DataError = exports.keywordError = void 0;\nconst codegen_1 = require(\"./codegen\");\nconst util_1 = require(\"./util\");\nconst names_1 = require(\"./names\");\nexports.keywordError = {\n message: ({ keyword }) => codegen_1.str `should pass \"${keyword}\" keyword validation`,\n};\nexports.keyword$DataError = {\n message: ({ keyword, schemaType }) => schemaType\n ? codegen_1.str `\"${keyword}\" keyword must be ${schemaType} ($data)`\n : codegen_1.str `\"${keyword}\" keyword is invalid ($data)`,\n};\nfunction reportError(cxt, error = exports.keywordError, errorPaths, overrideAllErrors) {\n const { it } = cxt;\n const { gen, compositeRule, allErrors } = it;\n const errObj = errorObjectCode(cxt, error, errorPaths);\n if (overrideAllErrors !== null && overrideAllErrors !== void 0 ? overrideAllErrors : (compositeRule || allErrors)) {\n addError(gen, errObj);\n }\n else {\n returnErrors(it, codegen_1._ `[${errObj}]`);\n }\n}\nexports.reportError = reportError;\nfunction reportExtraError(cxt, error = exports.keywordError, errorPaths) {\n const { it } = cxt;\n const { gen, compositeRule, allErrors } = it;\n const errObj = errorObjectCode(cxt, error, errorPaths);\n addError(gen, errObj);\n if (!(compositeRule || allErrors)) {\n returnErrors(it, names_1.default.vErrors);\n }\n}\nexports.reportExtraError = reportExtraError;\nfunction resetErrorsCount(gen, errsCount) {\n gen.assign(names_1.default.errors, errsCount);\n gen.if(codegen_1._ `${names_1.default.vErrors} !== null`, () => gen.if(errsCount, () => gen.assign(codegen_1._ `${names_1.default.vErrors}.length`, errsCount), () => gen.assign(names_1.default.vErrors, null)));\n}\nexports.resetErrorsCount = resetErrorsCount;\nfunction extendErrors({ gen, keyword, schemaValue, data, errsCount, it, }) {\n /* istanbul ignore if */\n if (errsCount === undefined)\n throw new Error(\"ajv implementation error\");\n const err = gen.name(\"err\");\n gen.forRange(\"i\", errsCount, names_1.default.errors, (i) => {\n gen.const(err, codegen_1._ `${names_1.default.vErrors}[${i}]`);\n gen.if(codegen_1._ `${err}.instancePath === undefined`, () => gen.assign(codegen_1._ `${err}.instancePath`, codegen_1.strConcat(names_1.default.instancePath, it.errorPath)));\n gen.assign(codegen_1._ `${err}.schemaPath`, codegen_1.str `${it.errSchemaPath}/${keyword}`);\n if (it.opts.verbose) {\n gen.assign(codegen_1._ `${err}.schema`, schemaValue);\n gen.assign(codegen_1._ `${err}.data`, data);\n }\n });\n}\nexports.extendErrors = extendErrors;\nfunction addError(gen, errObj) {\n const err = gen.const(\"err\", errObj);\n gen.if(codegen_1._ `${names_1.default.vErrors} === null`, () => gen.assign(names_1.default.vErrors, codegen_1._ `[${err}]`), codegen_1._ `${names_1.default.vErrors}.push(${err})`);\n gen.code(codegen_1._ `${names_1.default.errors}++`);\n}\nfunction returnErrors(it, errs) {\n const { gen, validateName, schemaEnv } = it;\n if (schemaEnv.$async) {\n gen.throw(codegen_1._ `new ${it.ValidationError}(${errs})`);\n }\n else {\n gen.assign(codegen_1._ `${validateName}.errors`, errs);\n gen.return(false);\n }\n}\nconst E = {\n keyword: new codegen_1.Name(\"keyword\"),\n schemaPath: new codegen_1.Name(\"schemaPath\"),\n params: new codegen_1.Name(\"params\"),\n propertyName: new codegen_1.Name(\"propertyName\"),\n message: new codegen_1.Name(\"message\"),\n schema: new codegen_1.Name(\"schema\"),\n parentSchema: new codegen_1.Name(\"parentSchema\"),\n};\nfunction errorObjectCode(cxt, error, errorPaths) {\n const { createErrors } = cxt.it;\n if (createErrors === false)\n return codegen_1._ `{}`;\n return errorObject(cxt, error, errorPaths);\n}\nfunction errorObject(cxt, error, errorPaths = {}) {\n const { gen, it } = cxt;\n const keyValues = [\n errorInstancePath(it, errorPaths),\n errorSchemaPath(cxt, errorPaths),\n ];\n extraErrorProps(cxt, error, keyValues);\n return gen.object(...keyValues);\n}\nfunction errorInstancePath({ errorPath }, { instancePath }) {\n const instPath = instancePath\n ? codegen_1.str `${errorPath}${util_1.getErrorPath(instancePath, util_1.Type.Str)}`\n : errorPath;\n return [names_1.default.instancePath, codegen_1.strConcat(names_1.default.instancePath, instPath)];\n}\nfunction errorSchemaPath({ keyword, it: { errSchemaPath } }, { schemaPath, parentSchema }) {\n let schPath = parentSchema ? errSchemaPath : codegen_1.str `${errSchemaPath}/${keyword}`;\n if (schemaPath) {\n schPath = codegen_1.str `${schPath}${util_1.getErrorPath(schemaPath, util_1.Type.Str)}`;\n }\n return [E.schemaPath, schPath];\n}\nfunction extraErrorProps(cxt, { params, message }, keyValues) {\n const { keyword, data, schemaValue, it } = cxt;\n const { opts, propertyName, topSchemaRef, schemaPath } = it;\n keyValues.push([E.keyword, keyword], [E.params, typeof params == \"function\" ? params(cxt) : params || codegen_1._ `{}`]);\n if (opts.messages) {\n keyValues.push([E.message, typeof message == \"function\" ? message(cxt) : message]);\n }\n if (opts.verbose) {\n keyValues.push([E.schema, schemaValue], [E.parentSchema, codegen_1._ `${topSchemaRef}${schemaPath}`], [names_1.default.data, data]);\n }\n if (propertyName)\n keyValues.push([E.propertyName, propertyName]);\n}\n//# sourceMappingURL=errors.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.resolveSchema = exports.getCompilingSchema = exports.resolveRef = exports.compileSchema = exports.SchemaEnv = void 0;\nconst codegen_1 = require(\"./codegen\");\nconst validation_error_1 = require(\"../runtime/validation_error\");\nconst names_1 = require(\"./names\");\nconst resolve_1 = require(\"./resolve\");\nconst util_1 = require(\"./util\");\nconst validate_1 = require(\"./validate\");\nconst URI = require(\"uri-js\");\nclass SchemaEnv {\n constructor(env) {\n var _a;\n this.refs = {};\n this.dynamicAnchors = {};\n let schema;\n if (typeof env.schema == \"object\")\n schema = env.schema;\n this.schema = env.schema;\n this.root = env.root || this;\n this.baseId = (_a = env.baseId) !== null && _a !== void 0 ? _a : resolve_1.normalizeId(schema === null || schema === void 0 ? void 0 : schema.$id);\n this.schemaPath = env.schemaPath;\n this.localRefs = env.localRefs;\n this.meta = env.meta;\n this.$async = schema === null || schema === void 0 ? void 0 : schema.$async;\n this.refs = {};\n }\n}\nexports.SchemaEnv = SchemaEnv;\n// let codeSize = 0\n// let nodeCount = 0\n// Compiles schema in SchemaEnv\nfunction compileSchema(sch) {\n // TODO refactor - remove compilations\n const _sch = getCompilingSchema.call(this, sch);\n if (_sch)\n return _sch;\n const rootId = resolve_1.getFullPath(sch.root.baseId); // TODO if getFullPath removed 1 tests fails\n const { es5, lines } = this.opts.code;\n const { ownProperties } = this.opts;\n const gen = new codegen_1.CodeGen(this.scope, { es5, lines, ownProperties });\n let _ValidationError;\n if (sch.$async) {\n _ValidationError = gen.scopeValue(\"Error\", {\n ref: validation_error_1.default,\n code: codegen_1._ `require(\"ajv/dist/runtime/validation_error\").default`,\n });\n }\n const validateName = gen.scopeName(\"validate\");\n sch.validateName = validateName;\n const schemaCxt = {\n gen,\n allErrors: this.opts.allErrors,\n data: names_1.default.data,\n parentData: names_1.default.parentData,\n parentDataProperty: names_1.default.parentDataProperty,\n dataNames: [names_1.default.data],\n dataPathArr: [codegen_1.nil],\n dataLevel: 0,\n dataTypes: [],\n definedProperties: new Set(),\n topSchemaRef: gen.scopeValue(\"schema\", this.opts.code.source === true\n ? { ref: sch.schema, code: codegen_1.stringify(sch.schema) }\n : { ref: sch.schema }),\n validateName,\n ValidationError: _ValidationError,\n schema: sch.schema,\n schemaEnv: sch,\n rootId,\n baseId: sch.baseId || rootId,\n schemaPath: codegen_1.nil,\n errSchemaPath: sch.schemaPath || (this.opts.jtd ? \"\" : \"#\"),\n errorPath: codegen_1._ `\"\"`,\n opts: this.opts,\n self: this,\n };\n let sourceCode;\n try {\n this._compilations.add(sch);\n validate_1.validateFunctionCode(schemaCxt);\n gen.optimize(this.opts.code.optimize);\n // gen.optimize(1)\n const validateCode = gen.toString();\n sourceCode = `${gen.scopeRefs(names_1.default.scope)}return ${validateCode}`;\n // console.log((codeSize += sourceCode.length), (nodeCount += gen.nodeCount))\n if (this.opts.code.process)\n sourceCode = this.opts.code.process(sourceCode, sch);\n // console.log(\"\\n\\n\\n *** \\n\", sourceCode)\n const makeValidate = new Function(`${names_1.default.self}`, `${names_1.default.scope}`, sourceCode);\n const validate = makeValidate(this, this.scope.get());\n this.scope.value(validateName, { ref: validate });\n validate.errors = null;\n validate.schema = sch.schema;\n validate.schemaEnv = sch;\n if (sch.$async)\n validate.$async = true;\n if (this.opts.code.source === true) {\n validate.source = { validateName, validateCode, scopeValues: gen._values };\n }\n if (this.opts.unevaluated) {\n const { props, items } = schemaCxt;\n validate.evaluated = {\n props: props instanceof codegen_1.Name ? undefined : props,\n items: items instanceof codegen_1.Name ? undefined : items,\n dynamicProps: props instanceof codegen_1.Name,\n dynamicItems: items instanceof codegen_1.Name,\n };\n if (validate.source)\n validate.source.evaluated = codegen_1.stringify(validate.evaluated);\n }\n sch.validate = validate;\n return sch;\n }\n catch (e) {\n delete sch.validate;\n delete sch.validateName;\n if (sourceCode)\n this.logger.error(\"Error compiling schema, function code:\", sourceCode);\n // console.log(\"\\n\\n\\n *** \\n\", sourceCode, this.opts)\n throw e;\n }\n finally {\n this._compilations.delete(sch);\n }\n}\nexports.compileSchema = compileSchema;\nfunction resolveRef(root, baseId, ref) {\n var _a;\n ref = resolve_1.resolveUrl(baseId, ref);\n const schOrFunc = root.refs[ref];\n if (schOrFunc)\n return schOrFunc;\n let _sch = resolve.call(this, root, ref);\n if (_sch === undefined) {\n const schema = (_a = root.localRefs) === null || _a === void 0 ? void 0 : _a[ref]; // TODO maybe localRefs should hold SchemaEnv\n if (schema)\n _sch = new SchemaEnv({ schema, root, baseId });\n }\n if (_sch === undefined)\n return;\n return (root.refs[ref] = inlineOrCompile.call(this, _sch));\n}\nexports.resolveRef = resolveRef;\nfunction inlineOrCompile(sch) {\n if (resolve_1.inlineRef(sch.schema, this.opts.inlineRefs))\n return sch.schema;\n return sch.validate ? sch : compileSchema.call(this, sch);\n}\n// Index of schema compilation in the currently compiled list\nfunction getCompilingSchema(schEnv) {\n for (const sch of this._compilations) {\n if (sameSchemaEnv(sch, schEnv))\n return sch;\n }\n}\nexports.getCompilingSchema = getCompilingSchema;\nfunction sameSchemaEnv(s1, s2) {\n return s1.schema === s2.schema && s1.root === s2.root && s1.baseId === s2.baseId;\n}\n// resolve and compile the references ($ref)\n// TODO returns AnySchemaObject (if the schema can be inlined) or validation function\nfunction resolve(root, // information about the root schema for the current schema\nref // reference to resolve\n) {\n let sch;\n while (typeof (sch = this.refs[ref]) == \"string\")\n ref = sch;\n return sch || this.schemas[ref] || resolveSchema.call(this, root, ref);\n}\n// Resolve schema, its root and baseId\nfunction resolveSchema(root, // root object with properties schema, refs TODO below SchemaEnv is assigned to it\nref // reference to resolve\n) {\n const p = URI.parse(ref);\n const refPath = resolve_1._getFullPath(p);\n let baseId = resolve_1.getFullPath(root.baseId);\n // TODO `Object.keys(root.schema).length > 0` should not be needed - but removing breaks 2 tests\n if (Object.keys(root.schema).length > 0 && refPath === baseId) {\n return getJsonPointer.call(this, p, root);\n }\n const id = resolve_1.normalizeId(refPath);\n const schOrRef = this.refs[id] || this.schemas[id];\n if (typeof schOrRef == \"string\") {\n const sch = resolveSchema.call(this, root, schOrRef);\n if (typeof (sch === null || sch === void 0 ? void 0 : sch.schema) !== \"object\")\n return;\n return getJsonPointer.call(this, p, sch);\n }\n if (typeof (schOrRef === null || schOrRef === void 0 ? void 0 : schOrRef.schema) !== \"object\")\n return;\n if (!schOrRef.validate)\n compileSchema.call(this, schOrRef);\n if (id === resolve_1.normalizeId(ref)) {\n const { schema } = schOrRef;\n if (schema.$id)\n baseId = resolve_1.resolveUrl(baseId, schema.$id);\n return new SchemaEnv({ schema, root, baseId });\n }\n return getJsonPointer.call(this, p, schOrRef);\n}\nexports.resolveSchema = resolveSchema;\nconst PREVENT_SCOPE_CHANGE = new Set([\n \"properties\",\n \"patternProperties\",\n \"enum\",\n \"dependencies\",\n \"definitions\",\n]);\nfunction getJsonPointer(parsedRef, { baseId, schema, root }) {\n var _a;\n if (((_a = parsedRef.fragment) === null || _a === void 0 ? void 0 : _a[0]) !== \"/\")\n return;\n for (const part of parsedRef.fragment.slice(1).split(\"/\")) {\n if (typeof schema == \"boolean\")\n return;\n schema = schema[util_1.unescapeFragment(part)];\n if (schema === undefined)\n return;\n // TODO PREVENT_SCOPE_CHANGE could be defined in keyword def?\n if (!PREVENT_SCOPE_CHANGE.has(part) && typeof schema == \"object\" && schema.$id) {\n baseId = resolve_1.resolveUrl(baseId, schema.$id);\n }\n }\n let env;\n if (typeof schema != \"boolean\" && schema.$ref && !util_1.schemaHasRulesButRef(schema, this.RULES)) {\n const $ref = resolve_1.resolveUrl(baseId, schema.$ref);\n env = resolveSchema.call(this, root, $ref);\n }\n // even though resolution failed we need to return SchemaEnv to throw exception\n // so that compileAsync loads missing schema.\n env = env || new SchemaEnv({ schema, root, baseId });\n if (env.schema !== env.root.schema)\n return env;\n return undefined;\n}\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"./codegen\");\nconst names = {\n // validation function arguments\n data: new codegen_1.Name(\"data\"),\n // args passed from referencing schema\n valCxt: new codegen_1.Name(\"valCxt\"),\n instancePath: new codegen_1.Name(\"instancePath\"),\n parentData: new codegen_1.Name(\"parentData\"),\n parentDataProperty: new codegen_1.Name(\"parentDataProperty\"),\n rootData: new codegen_1.Name(\"rootData\"),\n dynamicAnchors: new codegen_1.Name(\"dynamicAnchors\"),\n // function scoped variables\n vErrors: new codegen_1.Name(\"vErrors\"),\n errors: new codegen_1.Name(\"errors\"),\n this: new codegen_1.Name(\"this\"),\n // \"globals\"\n self: new codegen_1.Name(\"self\"),\n scope: new codegen_1.Name(\"scope\"),\n // JTD serialize/parse name for JSON string and position\n json: new codegen_1.Name(\"json\"),\n jsonPos: new codegen_1.Name(\"jsonPos\"),\n jsonLen: new codegen_1.Name(\"jsonLen\"),\n jsonPart: new codegen_1.Name(\"jsonPart\"),\n};\nexports.default = names;\n//# sourceMappingURL=names.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst resolve_1 = require(\"./resolve\");\nclass MissingRefError extends Error {\n constructor(baseId, ref, msg) {\n super(msg || `can't resolve reference ${ref} from id ${baseId}`);\n this.missingRef = resolve_1.resolveUrl(baseId, ref);\n this.missingSchema = resolve_1.normalizeId(resolve_1.getFullPath(this.missingRef));\n }\n}\nexports.default = MissingRefError;\n//# sourceMappingURL=ref_error.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getSchemaRefs = exports.resolveUrl = exports.normalizeId = exports._getFullPath = exports.getFullPath = exports.inlineRef = void 0;\nconst util_1 = require(\"./util\");\nconst equal = require(\"fast-deep-equal\");\nconst traverse = require(\"json-schema-traverse\");\nconst URI = require(\"uri-js\");\n// TODO refactor to use keyword definitions\nconst SIMPLE_INLINED = new Set([\n \"type\",\n \"format\",\n \"pattern\",\n \"maxLength\",\n \"minLength\",\n \"maxProperties\",\n \"minProperties\",\n \"maxItems\",\n \"minItems\",\n \"maximum\",\n \"minimum\",\n \"uniqueItems\",\n \"multipleOf\",\n \"required\",\n \"enum\",\n \"const\",\n]);\nfunction inlineRef(schema, limit = true) {\n if (typeof schema == \"boolean\")\n return true;\n if (limit === true)\n return !hasRef(schema);\n if (!limit)\n return false;\n return countKeys(schema) <= limit;\n}\nexports.inlineRef = inlineRef;\nconst REF_KEYWORDS = new Set([\n \"$ref\",\n \"$recursiveRef\",\n \"$recursiveAnchor\",\n \"$dynamicRef\",\n \"$dynamicAnchor\",\n]);\nfunction hasRef(schema) {\n for (const key in schema) {\n if (REF_KEYWORDS.has(key))\n return true;\n const sch = schema[key];\n if (Array.isArray(sch) && sch.some(hasRef))\n return true;\n if (typeof sch == \"object\" && hasRef(sch))\n return true;\n }\n return false;\n}\nfunction countKeys(schema) {\n let count = 0;\n for (const key in schema) {\n if (key === \"$ref\")\n return Infinity;\n count++;\n if (SIMPLE_INLINED.has(key))\n continue;\n if (typeof schema[key] == \"object\") {\n util_1.eachItem(schema[key], (sch) => (count += countKeys(sch)));\n }\n if (count === Infinity)\n return Infinity;\n }\n return count;\n}\nfunction getFullPath(id = \"\", normalize) {\n if (normalize !== false)\n id = normalizeId(id);\n const p = URI.parse(id);\n return _getFullPath(p);\n}\nexports.getFullPath = getFullPath;\nfunction _getFullPath(p) {\n return URI.serialize(p).split(\"#\")[0] + \"#\";\n}\nexports._getFullPath = _getFullPath;\nconst TRAILING_SLASH_HASH = /#\\/?$/;\nfunction normalizeId(id) {\n return id ? id.replace(TRAILING_SLASH_HASH, \"\") : \"\";\n}\nexports.normalizeId = normalizeId;\nfunction resolveUrl(baseId, id) {\n id = normalizeId(id);\n return URI.resolve(baseId, id);\n}\nexports.resolveUrl = resolveUrl;\nconst ANCHOR = /^[a-z_][-a-z0-9._]*$/i;\nfunction getSchemaRefs(schema) {\n if (typeof schema == \"boolean\")\n return {};\n const schemaId = normalizeId(schema.$id);\n const baseIds = { \"\": schemaId };\n const pathPrefix = getFullPath(schemaId, false);\n const localRefs = {};\n const schemaRefs = new Set();\n traverse(schema, { allKeys: true }, (sch, jsonPtr, _, parentJsonPtr) => {\n if (parentJsonPtr === undefined)\n return;\n const fullPath = pathPrefix + jsonPtr;\n let baseId = baseIds[parentJsonPtr];\n if (typeof sch.$id == \"string\")\n baseId = addRef.call(this, sch.$id);\n addAnchor.call(this, sch.$anchor);\n addAnchor.call(this, sch.$dynamicAnchor);\n baseIds[jsonPtr] = baseId;\n function addRef(ref) {\n ref = normalizeId(baseId ? URI.resolve(baseId, ref) : ref);\n if (schemaRefs.has(ref))\n throw ambiguos(ref);\n schemaRefs.add(ref);\n let schOrRef = this.refs[ref];\n if (typeof schOrRef == \"string\")\n schOrRef = this.refs[schOrRef];\n if (typeof schOrRef == \"object\") {\n checkAmbiguosRef(sch, schOrRef.schema, ref);\n }\n else if (ref !== normalizeId(fullPath)) {\n if (ref[0] === \"#\") {\n checkAmbiguosRef(sch, localRefs[ref], ref);\n localRefs[ref] = sch;\n }\n else {\n this.refs[ref] = fullPath;\n }\n }\n return ref;\n }\n function addAnchor(anchor) {\n if (typeof anchor == \"string\") {\n if (!ANCHOR.test(anchor))\n throw new Error(`invalid anchor \"${anchor}\"`);\n addRef.call(this, `#${anchor}`);\n }\n }\n });\n return localRefs;\n function checkAmbiguosRef(sch1, sch2, ref) {\n if (sch2 !== undefined && !equal(sch1, sch2))\n throw ambiguos(ref);\n }\n function ambiguos(ref) {\n return new Error(`reference \"${ref}\" resolves to more than one schema`);\n }\n}\nexports.getSchemaRefs = getSchemaRefs;\n//# sourceMappingURL=resolve.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getRules = exports.isJSONType = void 0;\nconst _jsonTypes = [\"string\", \"number\", \"integer\", \"boolean\", \"null\", \"object\", \"array\"];\nconst jsonTypes = new Set(_jsonTypes);\nfunction isJSONType(x) {\n return typeof x == \"string\" && jsonTypes.has(x);\n}\nexports.isJSONType = isJSONType;\nfunction getRules() {\n const groups = {\n number: { type: \"number\", rules: [] },\n string: { type: \"string\", rules: [] },\n array: { type: \"array\", rules: [] },\n object: { type: \"object\", rules: [] },\n };\n return {\n types: { ...groups, integer: true, boolean: true, null: true },\n rules: [{ rules: [] }, groups.number, groups.string, groups.array, groups.object],\n post: { rules: [] },\n all: {},\n keywords: {},\n };\n}\nexports.getRules = getRules;\n//# sourceMappingURL=rules.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.checkStrictMode = exports.getErrorPath = exports.Type = exports.useFunc = exports.setEvaluated = exports.evaluatedPropsToName = exports.mergeEvaluated = exports.eachItem = exports.unescapeJsonPointer = exports.escapeJsonPointer = exports.escapeFragment = exports.unescapeFragment = exports.schemaRefOrVal = exports.schemaHasRulesButRef = exports.schemaHasRules = exports.checkUnknownRules = exports.alwaysValidSchema = exports.toHash = void 0;\nconst codegen_1 = require(\"./codegen\");\nconst code_1 = require(\"./codegen/code\");\n// TODO refactor to use Set\nfunction toHash(arr) {\n const hash = {};\n for (const item of arr)\n hash[item] = true;\n return hash;\n}\nexports.toHash = toHash;\nfunction alwaysValidSchema(it, schema) {\n if (typeof schema == \"boolean\")\n return schema;\n if (Object.keys(schema).length === 0)\n return true;\n checkUnknownRules(it, schema);\n return !schemaHasRules(schema, it.self.RULES.all);\n}\nexports.alwaysValidSchema = alwaysValidSchema;\nfunction checkUnknownRules(it, schema = it.schema) {\n const { opts, self } = it;\n if (!opts.strictSchema)\n return;\n if (typeof schema === \"boolean\")\n return;\n const rules = self.RULES.keywords;\n for (const key in schema) {\n if (!rules[key])\n checkStrictMode(it, `unknown keyword: \"${key}\"`);\n }\n}\nexports.checkUnknownRules = checkUnknownRules;\nfunction schemaHasRules(schema, rules) {\n if (typeof schema == \"boolean\")\n return !schema;\n for (const key in schema)\n if (rules[key])\n return true;\n return false;\n}\nexports.schemaHasRules = schemaHasRules;\nfunction schemaHasRulesButRef(schema, RULES) {\n if (typeof schema == \"boolean\")\n return !schema;\n for (const key in schema)\n if (key !== \"$ref\" && RULES.all[key])\n return true;\n return false;\n}\nexports.schemaHasRulesButRef = schemaHasRulesButRef;\nfunction schemaRefOrVal({ topSchemaRef, schemaPath }, schema, keyword, $data) {\n if (!$data) {\n if (typeof schema == \"number\" || typeof schema == \"boolean\")\n return schema;\n if (typeof schema == \"string\")\n return codegen_1._ `${schema}`;\n }\n return codegen_1._ `${topSchemaRef}${schemaPath}${codegen_1.getProperty(keyword)}`;\n}\nexports.schemaRefOrVal = schemaRefOrVal;\nfunction unescapeFragment(str) {\n return unescapeJsonPointer(decodeURIComponent(str));\n}\nexports.unescapeFragment = unescapeFragment;\nfunction escapeFragment(str) {\n return encodeURIComponent(escapeJsonPointer(str));\n}\nexports.escapeFragment = escapeFragment;\nfunction escapeJsonPointer(str) {\n if (typeof str == \"number\")\n return `${str}`;\n return str.replace(/~/g, \"~0\").replace(/\\//g, \"~1\");\n}\nexports.escapeJsonPointer = escapeJsonPointer;\nfunction unescapeJsonPointer(str) {\n return str.replace(/~1/g, \"/\").replace(/~0/g, \"~\");\n}\nexports.unescapeJsonPointer = unescapeJsonPointer;\nfunction eachItem(xs, f) {\n if (Array.isArray(xs)) {\n for (const x of xs)\n f(x);\n }\n else {\n f(xs);\n }\n}\nexports.eachItem = eachItem;\nfunction makeMergeEvaluated({ mergeNames, mergeToName, mergeValues, resultToName, }) {\n return (gen, from, to, toName) => {\n const res = to === undefined\n ? from\n : to instanceof codegen_1.Name\n ? (from instanceof codegen_1.Name ? mergeNames(gen, from, to) : mergeToName(gen, from, to), to)\n : from instanceof codegen_1.Name\n ? (mergeToName(gen, to, from), from)\n : mergeValues(from, to);\n return toName === codegen_1.Name && !(res instanceof codegen_1.Name) ? resultToName(gen, res) : res;\n };\n}\nexports.mergeEvaluated = {\n props: makeMergeEvaluated({\n mergeNames: (gen, from, to) => gen.if(codegen_1._ `${to} !== true && ${from} !== undefined`, () => {\n gen.if(codegen_1._ `${from} === true`, () => gen.assign(to, true), () => gen.assign(to, codegen_1._ `${to} || {}`).code(codegen_1._ `Object.assign(${to}, ${from})`));\n }),\n mergeToName: (gen, from, to) => gen.if(codegen_1._ `${to} !== true`, () => {\n if (from === true) {\n gen.assign(to, true);\n }\n else {\n gen.assign(to, codegen_1._ `${to} || {}`);\n setEvaluated(gen, to, from);\n }\n }),\n mergeValues: (from, to) => (from === true ? true : { ...from, ...to }),\n resultToName: evaluatedPropsToName,\n }),\n items: makeMergeEvaluated({\n mergeNames: (gen, from, to) => gen.if(codegen_1._ `${to} !== true && ${from} !== undefined`, () => gen.assign(to, codegen_1._ `${from} === true ? true : ${to} > ${from} ? ${to} : ${from}`)),\n mergeToName: (gen, from, to) => gen.if(codegen_1._ `${to} !== true`, () => gen.assign(to, from === true ? true : codegen_1._ `${to} > ${from} ? ${to} : ${from}`)),\n mergeValues: (from, to) => (from === true ? true : Math.max(from, to)),\n resultToName: (gen, items) => gen.var(\"items\", items),\n }),\n};\nfunction evaluatedPropsToName(gen, ps) {\n if (ps === true)\n return gen.var(\"props\", true);\n const props = gen.var(\"props\", codegen_1._ `{}`);\n if (ps !== undefined)\n setEvaluated(gen, props, ps);\n return props;\n}\nexports.evaluatedPropsToName = evaluatedPropsToName;\nfunction setEvaluated(gen, props, ps) {\n Object.keys(ps).forEach((p) => gen.assign(codegen_1._ `${props}${codegen_1.getProperty(p)}`, true));\n}\nexports.setEvaluated = setEvaluated;\nconst snippets = {};\nfunction useFunc(gen, f) {\n return gen.scopeValue(\"func\", {\n ref: f,\n code: snippets[f.code] || (snippets[f.code] = new code_1._Code(f.code)),\n });\n}\nexports.useFunc = useFunc;\nvar Type;\n(function (Type) {\n Type[Type[\"Num\"] = 0] = \"Num\";\n Type[Type[\"Str\"] = 1] = \"Str\";\n})(Type = exports.Type || (exports.Type = {}));\nfunction getErrorPath(dataProp, dataPropType, jsPropertySyntax) {\n // let path\n if (dataProp instanceof codegen_1.Name) {\n const isNumber = dataPropType === Type.Num;\n return jsPropertySyntax\n ? isNumber\n ? codegen_1._ `\"[\" + ${dataProp} + \"]\"`\n : codegen_1._ `\"['\" + ${dataProp} + \"']\"`\n : isNumber\n ? codegen_1._ `\"/\" + ${dataProp}`\n : codegen_1._ `\"/\" + ${dataProp}.replace(/~/g, \"~0\").replace(/\\\\//g, \"~1\")`; // TODO maybe use global escapePointer\n }\n return jsPropertySyntax ? codegen_1.getProperty(dataProp).toString() : \"/\" + escapeJsonPointer(dataProp);\n}\nexports.getErrorPath = getErrorPath;\nfunction checkStrictMode(it, msg, mode = it.opts.strictSchema) {\n if (!mode)\n return;\n msg = `strict mode: ${msg}`;\n if (mode === true)\n throw new Error(msg);\n it.self.logger.warn(msg);\n}\nexports.checkStrictMode = checkStrictMode;\n//# sourceMappingURL=util.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.shouldUseRule = exports.shouldUseGroup = exports.schemaHasRulesForType = void 0;\nfunction schemaHasRulesForType({ schema, self }, type) {\n const group = self.RULES.types[type];\n return group && group !== true && shouldUseGroup(schema, group);\n}\nexports.schemaHasRulesForType = schemaHasRulesForType;\nfunction shouldUseGroup(schema, group) {\n return group.rules.some((rule) => shouldUseRule(schema, rule));\n}\nexports.shouldUseGroup = shouldUseGroup;\nfunction shouldUseRule(schema, rule) {\n var _a;\n return (schema[rule.keyword] !== undefined ||\n ((_a = rule.definition.implements) === null || _a === void 0 ? void 0 : _a.some((kwd) => schema[kwd] !== undefined)));\n}\nexports.shouldUseRule = shouldUseRule;\n//# sourceMappingURL=applicability.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.boolOrEmptySchema = exports.topBoolOrEmptySchema = void 0;\nconst errors_1 = require(\"../errors\");\nconst codegen_1 = require(\"../codegen\");\nconst names_1 = require(\"../names\");\nconst boolError = {\n message: \"boolean schema is false\",\n};\nfunction topBoolOrEmptySchema(it) {\n const { gen, schema, validateName } = it;\n if (schema === false) {\n falseSchemaError(it, false);\n }\n else if (typeof schema == \"object\" && schema.$async === true) {\n gen.return(names_1.default.data);\n }\n else {\n gen.assign(codegen_1._ `${validateName}.errors`, null);\n gen.return(true);\n }\n}\nexports.topBoolOrEmptySchema = topBoolOrEmptySchema;\nfunction boolOrEmptySchema(it, valid) {\n const { gen, schema } = it;\n if (schema === false) {\n gen.var(valid, false); // TODO var\n falseSchemaError(it);\n }\n else {\n gen.var(valid, true); // TODO var\n }\n}\nexports.boolOrEmptySchema = boolOrEmptySchema;\nfunction falseSchemaError(it, overrideAllErrors) {\n const { gen, data } = it;\n // TODO maybe some other interface should be used for non-keyword validation errors...\n const cxt = {\n gen,\n keyword: \"false schema\",\n data,\n schema: false,\n schemaCode: false,\n schemaValue: false,\n params: {},\n it,\n };\n errors_1.reportError(cxt, boolError, undefined, overrideAllErrors);\n}\n//# sourceMappingURL=boolSchema.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.reportTypeError = exports.checkDataTypes = exports.checkDataType = exports.coerceAndCheckDataType = exports.getJSONTypes = exports.getSchemaTypes = exports.DataType = void 0;\nconst rules_1 = require(\"../rules\");\nconst applicability_1 = require(\"./applicability\");\nconst errors_1 = require(\"../errors\");\nconst codegen_1 = require(\"../codegen\");\nconst util_1 = require(\"../util\");\nvar DataType;\n(function (DataType) {\n DataType[DataType[\"Correct\"] = 0] = \"Correct\";\n DataType[DataType[\"Wrong\"] = 1] = \"Wrong\";\n})(DataType = exports.DataType || (exports.DataType = {}));\nfunction getSchemaTypes(schema) {\n const types = getJSONTypes(schema.type);\n const hasNull = types.includes(\"null\");\n if (hasNull) {\n if (schema.nullable === false)\n throw new Error(\"type: null contradicts nullable: false\");\n }\n else {\n if (!types.length && schema.nullable !== undefined) {\n throw new Error('\"nullable\" cannot be used without \"type\"');\n }\n if (schema.nullable === true)\n types.push(\"null\");\n }\n return types;\n}\nexports.getSchemaTypes = getSchemaTypes;\nfunction getJSONTypes(ts) {\n const types = Array.isArray(ts) ? ts : ts ? [ts] : [];\n if (types.every(rules_1.isJSONType))\n return types;\n throw new Error(\"type must be JSONType or JSONType[]: \" + types.join(\",\"));\n}\nexports.getJSONTypes = getJSONTypes;\nfunction coerceAndCheckDataType(it, types) {\n const { gen, data, opts } = it;\n const coerceTo = coerceToTypes(types, opts.coerceTypes);\n const checkTypes = types.length > 0 &&\n !(coerceTo.length === 0 && types.length === 1 && applicability_1.schemaHasRulesForType(it, types[0]));\n if (checkTypes) {\n const wrongType = checkDataTypes(types, data, opts.strictNumbers, DataType.Wrong);\n gen.if(wrongType, () => {\n if (coerceTo.length)\n coerceData(it, types, coerceTo);\n else\n reportTypeError(it);\n });\n }\n return checkTypes;\n}\nexports.coerceAndCheckDataType = coerceAndCheckDataType;\nconst COERCIBLE = new Set([\"string\", \"number\", \"integer\", \"boolean\", \"null\"]);\nfunction coerceToTypes(types, coerceTypes) {\n return coerceTypes\n ? types.filter((t) => COERCIBLE.has(t) || (coerceTypes === \"array\" && t === \"array\"))\n : [];\n}\nfunction coerceData(it, types, coerceTo) {\n const { gen, data, opts } = it;\n const dataType = gen.let(\"dataType\", codegen_1._ `typeof ${data}`);\n const coerced = gen.let(\"coerced\", codegen_1._ `undefined`);\n if (opts.coerceTypes === \"array\") {\n gen.if(codegen_1._ `${dataType} == 'object' && Array.isArray(${data}) && ${data}.length == 1`, () => gen\n .assign(data, codegen_1._ `${data}[0]`)\n .assign(dataType, codegen_1._ `typeof ${data}`)\n .if(checkDataTypes(types, data, opts.strictNumbers), () => gen.assign(coerced, data)));\n }\n gen.if(codegen_1._ `${coerced} !== undefined`);\n for (const t of coerceTo) {\n if (COERCIBLE.has(t) || (t === \"array\" && opts.coerceTypes === \"array\")) {\n coerceSpecificType(t);\n }\n }\n gen.else();\n reportTypeError(it);\n gen.endIf();\n gen.if(codegen_1._ `${coerced} !== undefined`, () => {\n gen.assign(data, coerced);\n assignParentData(it, coerced);\n });\n function coerceSpecificType(t) {\n switch (t) {\n case \"string\":\n gen\n .elseIf(codegen_1._ `${dataType} == \"number\" || ${dataType} == \"boolean\"`)\n .assign(coerced, codegen_1._ `\"\" + ${data}`)\n .elseIf(codegen_1._ `${data} === null`)\n .assign(coerced, codegen_1._ `\"\"`);\n return;\n case \"number\":\n gen\n .elseIf(codegen_1._ `${dataType} == \"boolean\" || ${data} === null\n || (${dataType} == \"string\" && ${data} && ${data} == +${data})`)\n .assign(coerced, codegen_1._ `+${data}`);\n return;\n case \"integer\":\n gen\n .elseIf(codegen_1._ `${dataType} === \"boolean\" || ${data} === null\n || (${dataType} === \"string\" && ${data} && ${data} == +${data} && !(${data} % 1))`)\n .assign(coerced, codegen_1._ `+${data}`);\n return;\n case \"boolean\":\n gen\n .elseIf(codegen_1._ `${data} === \"false\" || ${data} === 0 || ${data} === null`)\n .assign(coerced, false)\n .elseIf(codegen_1._ `${data} === \"true\" || ${data} === 1`)\n .assign(coerced, true);\n return;\n case \"null\":\n gen.elseIf(codegen_1._ `${data} === \"\" || ${data} === 0 || ${data} === false`);\n gen.assign(coerced, null);\n return;\n case \"array\":\n gen\n .elseIf(codegen_1._ `${dataType} === \"string\" || ${dataType} === \"number\"\n || ${dataType} === \"boolean\" || ${data} === null`)\n .assign(coerced, codegen_1._ `[${data}]`);\n }\n }\n}\nfunction assignParentData({ gen, parentData, parentDataProperty }, expr) {\n // TODO use gen.property\n gen.if(codegen_1._ `${parentData} !== undefined`, () => gen.assign(codegen_1._ `${parentData}[${parentDataProperty}]`, expr));\n}\nfunction checkDataType(dataType, data, strictNums, correct = DataType.Correct) {\n const EQ = correct === DataType.Correct ? codegen_1.operators.EQ : codegen_1.operators.NEQ;\n let cond;\n switch (dataType) {\n case \"null\":\n return codegen_1._ `${data} ${EQ} null`;\n case \"array\":\n cond = codegen_1._ `Array.isArray(${data})`;\n break;\n case \"object\":\n cond = codegen_1._ `${data} && typeof ${data} == \"object\" && !Array.isArray(${data})`;\n break;\n case \"integer\":\n cond = numCond(codegen_1._ `!(${data} % 1) && !isNaN(${data})`);\n break;\n case \"number\":\n cond = numCond();\n break;\n default:\n return codegen_1._ `typeof ${data} ${EQ} ${dataType}`;\n }\n return correct === DataType.Correct ? cond : codegen_1.not(cond);\n function numCond(_cond = codegen_1.nil) {\n return codegen_1.and(codegen_1._ `typeof ${data} == \"number\"`, _cond, strictNums ? codegen_1._ `isFinite(${data})` : codegen_1.nil);\n }\n}\nexports.checkDataType = checkDataType;\nfunction checkDataTypes(dataTypes, data, strictNums, correct) {\n if (dataTypes.length === 1) {\n return checkDataType(dataTypes[0], data, strictNums, correct);\n }\n let cond;\n const types = util_1.toHash(dataTypes);\n if (types.array && types.object) {\n const notObj = codegen_1._ `typeof ${data} != \"object\"`;\n cond = types.null ? notObj : codegen_1._ `!${data} || ${notObj}`;\n delete types.null;\n delete types.array;\n delete types.object;\n }\n else {\n cond = codegen_1.nil;\n }\n if (types.number)\n delete types.integer;\n for (const t in types)\n cond = codegen_1.and(cond, checkDataType(t, data, strictNums, correct));\n return cond;\n}\nexports.checkDataTypes = checkDataTypes;\nconst typeError = {\n message: ({ schema }) => `must be ${schema}`,\n params: ({ schema, schemaValue }) => typeof schema == \"string\" ? codegen_1._ `{type: ${schema}}` : codegen_1._ `{type: ${schemaValue}}`,\n};\nfunction reportTypeError(it) {\n const cxt = getTypeErrorContext(it);\n errors_1.reportError(cxt, typeError);\n}\nexports.reportTypeError = reportTypeError;\nfunction getTypeErrorContext(it) {\n const { gen, data, schema } = it;\n const schemaCode = util_1.schemaRefOrVal(it, schema, \"type\");\n return {\n gen,\n keyword: \"type\",\n data,\n schema: schema.type,\n schemaCode,\n schemaValue: schemaCode,\n parentSchema: schema,\n params: {},\n it,\n };\n}\n//# sourceMappingURL=dataType.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.assignDefaults = void 0;\nconst codegen_1 = require(\"../codegen\");\nconst util_1 = require(\"../util\");\nfunction assignDefaults(it, ty) {\n const { properties, items } = it.schema;\n if (ty === \"object\" && properties) {\n for (const key in properties) {\n assignDefault(it, key, properties[key].default);\n }\n }\n else if (ty === \"array\" && Array.isArray(items)) {\n items.forEach((sch, i) => assignDefault(it, i, sch.default));\n }\n}\nexports.assignDefaults = assignDefaults;\nfunction assignDefault(it, prop, defaultValue) {\n const { gen, compositeRule, data, opts } = it;\n if (defaultValue === undefined)\n return;\n const childData = codegen_1._ `${data}${codegen_1.getProperty(prop)}`;\n if (compositeRule) {\n util_1.checkStrictMode(it, `default is ignored for: ${childData}`);\n return;\n }\n let condition = codegen_1._ `${childData} === undefined`;\n if (opts.useDefaults === \"empty\") {\n condition = codegen_1._ `${condition} || ${childData} === null || ${childData} === \"\"`;\n }\n // `${childData} === undefined` +\n // (opts.useDefaults === \"empty\" ? ` || ${childData} === null || ${childData} === \"\"` : \"\")\n gen.if(condition, codegen_1._ `${childData} = ${codegen_1.stringify(defaultValue)}`);\n}\n//# sourceMappingURL=defaults.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.getData = exports.KeywordCxt = exports.validateFunctionCode = void 0;\nconst boolSchema_1 = require(\"./boolSchema\");\nconst dataType_1 = require(\"./dataType\");\nconst applicability_1 = require(\"./applicability\");\nconst dataType_2 = require(\"./dataType\");\nconst defaults_1 = require(\"./defaults\");\nconst keyword_1 = require(\"./keyword\");\nconst subschema_1 = require(\"./subschema\");\nconst codegen_1 = require(\"../codegen\");\nconst names_1 = require(\"../names\");\nconst resolve_1 = require(\"../resolve\");\nconst util_1 = require(\"../util\");\nconst errors_1 = require(\"../errors\");\n// schema compilation - generates validation function, subschemaCode (below) is used for subschemas\nfunction validateFunctionCode(it) {\n if (isSchemaObj(it)) {\n checkKeywords(it);\n if (schemaCxtHasRules(it)) {\n topSchemaObjCode(it);\n return;\n }\n }\n validateFunction(it, () => boolSchema_1.topBoolOrEmptySchema(it));\n}\nexports.validateFunctionCode = validateFunctionCode;\nfunction validateFunction({ gen, validateName, schema, schemaEnv, opts }, body) {\n if (opts.code.es5) {\n gen.func(validateName, codegen_1._ `${names_1.default.data}, ${names_1.default.valCxt}`, schemaEnv.$async, () => {\n gen.code(codegen_1._ `\"use strict\"; ${funcSourceUrl(schema, opts)}`);\n destructureValCxtES5(gen, opts);\n gen.code(body);\n });\n }\n else {\n gen.func(validateName, codegen_1._ `${names_1.default.data}, ${destructureValCxt(opts)}`, schemaEnv.$async, () => gen.code(funcSourceUrl(schema, opts)).code(body));\n }\n}\nfunction destructureValCxt(opts) {\n return codegen_1._ `{${names_1.default.instancePath}=\"\", ${names_1.default.parentData}, ${names_1.default.parentDataProperty}, ${names_1.default.rootData}=${names_1.default.data}${opts.dynamicRef ? codegen_1._ `, ${names_1.default.dynamicAnchors}={}` : codegen_1.nil}}={}`;\n}\nfunction destructureValCxtES5(gen, opts) {\n gen.if(names_1.default.valCxt, () => {\n gen.var(names_1.default.instancePath, codegen_1._ `${names_1.default.valCxt}.${names_1.default.instancePath}`);\n gen.var(names_1.default.parentData, codegen_1._ `${names_1.default.valCxt}.${names_1.default.parentData}`);\n gen.var(names_1.default.parentDataProperty, codegen_1._ `${names_1.default.valCxt}.${names_1.default.parentDataProperty}`);\n gen.var(names_1.default.rootData, codegen_1._ `${names_1.default.valCxt}.${names_1.default.rootData}`);\n if (opts.dynamicRef)\n gen.var(names_1.default.dynamicAnchors, codegen_1._ `${names_1.default.valCxt}.${names_1.default.dynamicAnchors}`);\n }, () => {\n gen.var(names_1.default.instancePath, codegen_1._ `\"\"`);\n gen.var(names_1.default.parentData, codegen_1._ `undefined`);\n gen.var(names_1.default.parentDataProperty, codegen_1._ `undefined`);\n gen.var(names_1.default.rootData, names_1.default.data);\n if (opts.dynamicRef)\n gen.var(names_1.default.dynamicAnchors, codegen_1._ `{}`);\n });\n}\nfunction topSchemaObjCode(it) {\n const { schema, opts, gen } = it;\n validateFunction(it, () => {\n if (opts.$comment && schema.$comment)\n commentKeyword(it);\n checkNoDefault(it);\n gen.let(names_1.default.vErrors, null);\n gen.let(names_1.default.errors, 0);\n if (opts.unevaluated)\n resetEvaluated(it);\n typeAndKeywords(it);\n returnResults(it);\n });\n return;\n}\nfunction resetEvaluated(it) {\n // TODO maybe some hook to execute it in the end to check whether props/items are Name, as in assignEvaluated\n const { gen, validateName } = it;\n it.evaluated = gen.const(\"evaluated\", codegen_1._ `${validateName}.evaluated`);\n gen.if(codegen_1._ `${it.evaluated}.dynamicProps`, () => gen.assign(codegen_1._ `${it.evaluated}.props`, codegen_1._ `undefined`));\n gen.if(codegen_1._ `${it.evaluated}.dynamicItems`, () => gen.assign(codegen_1._ `${it.evaluated}.items`, codegen_1._ `undefined`));\n}\nfunction funcSourceUrl(schema, opts) {\n return typeof schema == \"object\" && schema.$id && (opts.code.source || opts.code.process)\n ? codegen_1._ `/*# sourceURL=${schema.$id} */`\n : codegen_1.nil;\n}\n// schema compilation - this function is used recursively to generate code for sub-schemas\nfunction subschemaCode(it, valid) {\n if (isSchemaObj(it)) {\n checkKeywords(it);\n if (schemaCxtHasRules(it)) {\n subSchemaObjCode(it, valid);\n return;\n }\n }\n boolSchema_1.boolOrEmptySchema(it, valid);\n}\nfunction schemaCxtHasRules({ schema, self }) {\n if (typeof schema == \"boolean\")\n return !schema;\n for (const key in schema)\n if (self.RULES.all[key])\n return true;\n return false;\n}\nfunction isSchemaObj(it) {\n return typeof it.schema != \"boolean\";\n}\nfunction subSchemaObjCode(it, valid) {\n const { schema, gen, opts } = it;\n if (opts.$comment && schema.$comment)\n commentKeyword(it);\n updateContext(it);\n checkAsyncSchema(it);\n const errsCount = gen.const(\"_errs\", names_1.default.errors);\n typeAndKeywords(it, errsCount);\n // TODO var\n gen.var(valid, codegen_1._ `${errsCount} === ${names_1.default.errors}`);\n}\nfunction checkKeywords(it) {\n util_1.checkUnknownRules(it);\n checkRefsAndKeywords(it);\n}\nfunction typeAndKeywords(it, errsCount) {\n if (it.opts.jtd)\n return schemaKeywords(it, [], false, errsCount);\n const types = dataType_1.getSchemaTypes(it.schema);\n const checkedTypes = dataType_1.coerceAndCheckDataType(it, types);\n schemaKeywords(it, types, !checkedTypes, errsCount);\n}\nfunction checkRefsAndKeywords(it) {\n const { schema, errSchemaPath, opts, self } = it;\n if (schema.$ref && opts.ignoreKeywordsWithRef && util_1.schemaHasRulesButRef(schema, self.RULES)) {\n self.logger.warn(`$ref: keywords ignored in schema at path \"${errSchemaPath}\"`);\n }\n}\nfunction checkNoDefault(it) {\n const { schema, opts } = it;\n if (schema.default !== undefined && opts.useDefaults && opts.strictSchema) {\n util_1.checkStrictMode(it, \"default is ignored in the schema root\");\n }\n}\nfunction updateContext(it) {\n if (it.schema.$id)\n it.baseId = resolve_1.resolveUrl(it.baseId, it.schema.$id);\n}\nfunction checkAsyncSchema(it) {\n if (it.schema.$async && !it.schemaEnv.$async)\n throw new Error(\"async schema in sync schema\");\n}\nfunction commentKeyword({ gen, schemaEnv, schema, errSchemaPath, opts }) {\n const msg = schema.$comment;\n if (opts.$comment === true) {\n gen.code(codegen_1._ `${names_1.default.self}.logger.log(${msg})`);\n }\n else if (typeof opts.$comment == \"function\") {\n const schemaPath = codegen_1.str `${errSchemaPath}/$comment`;\n const rootName = gen.scopeValue(\"root\", { ref: schemaEnv.root });\n gen.code(codegen_1._ `${names_1.default.self}.opts.$comment(${msg}, ${schemaPath}, ${rootName}.schema)`);\n }\n}\nfunction returnResults(it) {\n const { gen, schemaEnv, validateName, ValidationError, opts } = it;\n if (schemaEnv.$async) {\n // TODO assign unevaluated\n gen.if(codegen_1._ `${names_1.default.errors} === 0`, () => gen.return(names_1.default.data), () => gen.throw(codegen_1._ `new ${ValidationError}(${names_1.default.vErrors})`));\n }\n else {\n gen.assign(codegen_1._ `${validateName}.errors`, names_1.default.vErrors);\n if (opts.unevaluated)\n assignEvaluated(it);\n gen.return(codegen_1._ `${names_1.default.errors} === 0`);\n }\n}\nfunction assignEvaluated({ gen, evaluated, props, items }) {\n if (props instanceof codegen_1.Name)\n gen.assign(codegen_1._ `${evaluated}.props`, props);\n if (items instanceof codegen_1.Name)\n gen.assign(codegen_1._ `${evaluated}.items`, items);\n}\nfunction schemaKeywords(it, types, typeErrors, errsCount) {\n const { gen, schema, data, allErrors, opts, self } = it;\n const { RULES } = self;\n if (schema.$ref && (opts.ignoreKeywordsWithRef || !util_1.schemaHasRulesButRef(schema, RULES))) {\n gen.block(() => keywordCode(it, \"$ref\", RULES.all.$ref.definition)); // TODO typecast\n return;\n }\n if (!opts.jtd)\n checkStrictTypes(it, types);\n gen.block(() => {\n for (const group of RULES.rules)\n groupKeywords(group);\n groupKeywords(RULES.post);\n });\n function groupKeywords(group) {\n if (!applicability_1.shouldUseGroup(schema, group))\n return;\n if (group.type) {\n gen.if(dataType_2.checkDataType(group.type, data, opts.strictNumbers));\n iterateKeywords(it, group);\n if (types.length === 1 && types[0] === group.type && typeErrors) {\n gen.else();\n dataType_2.reportTypeError(it);\n }\n gen.endIf();\n }\n else {\n iterateKeywords(it, group);\n }\n // TODO make it \"ok\" call?\n if (!allErrors)\n gen.if(codegen_1._ `${names_1.default.errors} === ${errsCount || 0}`);\n }\n}\nfunction iterateKeywords(it, group) {\n const { gen, schema, opts: { useDefaults }, } = it;\n if (useDefaults)\n defaults_1.assignDefaults(it, group.type);\n gen.block(() => {\n for (const rule of group.rules) {\n if (applicability_1.shouldUseRule(schema, rule)) {\n keywordCode(it, rule.keyword, rule.definition, group.type);\n }\n }\n });\n}\nfunction checkStrictTypes(it, types) {\n if (it.schemaEnv.meta || !it.opts.strictTypes)\n return;\n checkContextTypes(it, types);\n if (!it.opts.allowUnionTypes)\n checkMultipleTypes(it, types);\n checkKeywordTypes(it, it.dataTypes);\n}\nfunction checkContextTypes(it, types) {\n if (!types.length)\n return;\n if (!it.dataTypes.length) {\n it.dataTypes = types;\n return;\n }\n types.forEach((t) => {\n if (!includesType(it.dataTypes, t)) {\n strictTypesError(it, `type \"${t}\" not allowed by context \"${it.dataTypes.join(\",\")}\"`);\n }\n });\n it.dataTypes = it.dataTypes.filter((t) => includesType(types, t));\n}\nfunction checkMultipleTypes(it, ts) {\n if (ts.length > 1 && !(ts.length === 2 && ts.includes(\"null\"))) {\n strictTypesError(it, \"use allowUnionTypes to allow union type keyword\");\n }\n}\nfunction checkKeywordTypes(it, ts) {\n const rules = it.self.RULES.all;\n for (const keyword in rules) {\n const rule = rules[keyword];\n if (typeof rule == \"object\" && applicability_1.shouldUseRule(it.schema, rule)) {\n const { type } = rule.definition;\n if (type.length && !type.some((t) => hasApplicableType(ts, t))) {\n strictTypesError(it, `missing type \"${type.join(\",\")}\" for keyword \"${keyword}\"`);\n }\n }\n }\n}\nfunction hasApplicableType(schTs, kwdT) {\n return schTs.includes(kwdT) || (kwdT === \"number\" && schTs.includes(\"integer\"));\n}\nfunction includesType(ts, t) {\n return ts.includes(t) || (t === \"integer\" && ts.includes(\"number\"));\n}\nfunction strictTypesError(it, msg) {\n const schemaPath = it.schemaEnv.baseId + it.errSchemaPath;\n msg += ` at \"${schemaPath}\" (strictTypes)`;\n util_1.checkStrictMode(it, msg, it.opts.strictTypes);\n}\nclass KeywordCxt {\n constructor(it, def, keyword) {\n keyword_1.validateKeywordUsage(it, def, keyword);\n this.gen = it.gen;\n this.allErrors = it.allErrors;\n this.keyword = keyword;\n this.data = it.data;\n this.schema = it.schema[keyword];\n this.$data = def.$data && it.opts.$data && this.schema && this.schema.$data;\n this.schemaValue = util_1.schemaRefOrVal(it, this.schema, keyword, this.$data);\n this.schemaType = def.schemaType;\n this.parentSchema = it.schema;\n this.params = {};\n this.it = it;\n this.def = def;\n if (this.$data) {\n this.schemaCode = it.gen.const(\"vSchema\", getData(this.$data, it));\n }\n else {\n this.schemaCode = this.schemaValue;\n if (!keyword_1.validSchemaType(this.schema, def.schemaType, def.allowUndefined)) {\n throw new Error(`${keyword} value must be ${JSON.stringify(def.schemaType)}`);\n }\n }\n if (\"code\" in def ? def.trackErrors : def.errors !== false) {\n this.errsCount = it.gen.const(\"_errs\", names_1.default.errors);\n }\n }\n result(condition, successAction, failAction) {\n this.gen.if(codegen_1.not(condition));\n if (failAction)\n failAction();\n else\n this.error();\n if (successAction) {\n this.gen.else();\n successAction();\n if (this.allErrors)\n this.gen.endIf();\n }\n else {\n if (this.allErrors)\n this.gen.endIf();\n else\n this.gen.else();\n }\n }\n pass(condition, failAction) {\n this.result(condition, undefined, failAction);\n }\n fail(condition) {\n if (condition === undefined) {\n this.error();\n if (!this.allErrors)\n this.gen.if(false); // this branch will be removed by gen.optimize\n return;\n }\n this.gen.if(condition);\n this.error();\n if (this.allErrors)\n this.gen.endIf();\n else\n this.gen.else();\n }\n fail$data(condition) {\n if (!this.$data)\n return this.fail(condition);\n const { schemaCode } = this;\n this.fail(codegen_1._ `${schemaCode} !== undefined && (${codegen_1.or(this.invalid$data(), condition)})`);\n }\n error(append, errorParams, errorPaths) {\n if (errorParams) {\n this.setParams(errorParams);\n this._error(append, errorPaths);\n this.setParams({});\n return;\n }\n this._error(append, errorPaths);\n }\n _error(append, errorPaths) {\n ;\n (append ? errors_1.reportExtraError : errors_1.reportError)(this, this.def.error, errorPaths);\n }\n $dataError() {\n errors_1.reportError(this, this.def.$dataError || errors_1.keyword$DataError);\n }\n reset() {\n if (this.errsCount === undefined)\n throw new Error('add \"trackErrors\" to keyword definition');\n errors_1.resetErrorsCount(this.gen, this.errsCount);\n }\n ok(cond) {\n if (!this.allErrors)\n this.gen.if(cond);\n }\n setParams(obj, assign) {\n if (assign)\n Object.assign(this.params, obj);\n else\n this.params = obj;\n }\n block$data(valid, codeBlock, $dataValid = codegen_1.nil) {\n this.gen.block(() => {\n this.check$data(valid, $dataValid);\n codeBlock();\n });\n }\n check$data(valid = codegen_1.nil, $dataValid = codegen_1.nil) {\n if (!this.$data)\n return;\n const { gen, schemaCode, schemaType, def } = this;\n gen.if(codegen_1.or(codegen_1._ `${schemaCode} === undefined`, $dataValid));\n if (valid !== codegen_1.nil)\n gen.assign(valid, true);\n if (schemaType.length || def.validateSchema) {\n gen.elseIf(this.invalid$data());\n this.$dataError();\n if (valid !== codegen_1.nil)\n gen.assign(valid, false);\n }\n gen.else();\n }\n invalid$data() {\n const { gen, schemaCode, schemaType, def, it } = this;\n return codegen_1.or(wrong$DataType(), invalid$DataSchema());\n function wrong$DataType() {\n if (schemaType.length) {\n /* istanbul ignore if */\n if (!(schemaCode instanceof codegen_1.Name))\n throw new Error(\"ajv implementation error\");\n const st = Array.isArray(schemaType) ? schemaType : [schemaType];\n return codegen_1._ `${dataType_2.checkDataTypes(st, schemaCode, it.opts.strictNumbers, dataType_2.DataType.Wrong)}`;\n }\n return codegen_1.nil;\n }\n function invalid$DataSchema() {\n if (def.validateSchema) {\n const validateSchemaRef = gen.scopeValue(\"validate$data\", { ref: def.validateSchema }); // TODO value.code for standalone\n return codegen_1._ `!${validateSchemaRef}(${schemaCode})`;\n }\n return codegen_1.nil;\n }\n }\n subschema(appl, valid) {\n const subschema = subschema_1.getSubschema(this.it, appl);\n subschema_1.extendSubschemaData(subschema, this.it, appl);\n subschema_1.extendSubschemaMode(subschema, appl);\n const nextContext = { ...this.it, ...subschema, items: undefined, props: undefined };\n subschemaCode(nextContext, valid);\n return nextContext;\n }\n mergeEvaluated(schemaCxt, toName) {\n const { it, gen } = this;\n if (!it.opts.unevaluated)\n return;\n if (it.props !== true && schemaCxt.props !== undefined) {\n it.props = util_1.mergeEvaluated.props(gen, schemaCxt.props, it.props, toName);\n }\n if (it.items !== true && schemaCxt.items !== undefined) {\n it.items = util_1.mergeEvaluated.items(gen, schemaCxt.items, it.items, toName);\n }\n }\n mergeValidEvaluated(schemaCxt, valid) {\n const { it, gen } = this;\n if (it.opts.unevaluated && (it.props !== true || it.items !== true)) {\n gen.if(valid, () => this.mergeEvaluated(schemaCxt, codegen_1.Name));\n return true;\n }\n }\n}\nexports.KeywordCxt = KeywordCxt;\nfunction keywordCode(it, keyword, def, ruleType) {\n const cxt = new KeywordCxt(it, def, keyword);\n if (\"code\" in def) {\n def.code(cxt, ruleType);\n }\n else if (cxt.$data && def.validate) {\n keyword_1.funcKeywordCode(cxt, def);\n }\n else if (\"macro\" in def) {\n keyword_1.macroKeywordCode(cxt, def);\n }\n else if (def.compile || def.validate) {\n keyword_1.funcKeywordCode(cxt, def);\n }\n}\nconst JSON_POINTER = /^\\/(?:[^~]|~0|~1)*$/;\nconst RELATIVE_JSON_POINTER = /^([0-9]+)(#|\\/(?:[^~]|~0|~1)*)?$/;\nfunction getData($data, { dataLevel, dataNames, dataPathArr }) {\n let jsonPointer;\n let data;\n if ($data === \"\")\n return names_1.default.rootData;\n if ($data[0] === \"/\") {\n if (!JSON_POINTER.test($data))\n throw new Error(`Invalid JSON-pointer: ${$data}`);\n jsonPointer = $data;\n data = names_1.default.rootData;\n }\n else {\n const matches = RELATIVE_JSON_POINTER.exec($data);\n if (!matches)\n throw new Error(`Invalid JSON-pointer: ${$data}`);\n const up = +matches[1];\n jsonPointer = matches[2];\n if (jsonPointer === \"#\") {\n if (up >= dataLevel)\n throw new Error(errorMsg(\"property/index\", up));\n return dataPathArr[dataLevel - up];\n }\n if (up > dataLevel)\n throw new Error(errorMsg(\"data\", up));\n data = dataNames[dataLevel - up];\n if (!jsonPointer)\n return data;\n }\n let expr = data;\n const segments = jsonPointer.split(\"/\");\n for (const segment of segments) {\n if (segment) {\n data = codegen_1._ `${data}${codegen_1.getProperty(util_1.unescapeJsonPointer(segment))}`;\n expr = codegen_1._ `${expr} && ${data}`;\n }\n }\n return expr;\n function errorMsg(pointerType, up) {\n return `Cannot access ${pointerType} ${up} levels up, current level is ${dataLevel}`;\n }\n}\nexports.getData = getData;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.validateKeywordUsage = exports.validSchemaType = exports.funcKeywordCode = exports.macroKeywordCode = void 0;\nconst codegen_1 = require(\"../codegen\");\nconst names_1 = require(\"../names\");\nconst code_1 = require(\"../../vocabularies/code\");\nconst errors_1 = require(\"../errors\");\nfunction macroKeywordCode(cxt, def) {\n const { gen, keyword, schema, parentSchema, it } = cxt;\n const macroSchema = def.macro.call(it.self, schema, parentSchema, it);\n const schemaRef = useKeyword(gen, keyword, macroSchema);\n if (it.opts.validateSchema !== false)\n it.self.validateSchema(macroSchema, true);\n const valid = gen.name(\"valid\");\n cxt.subschema({\n schema: macroSchema,\n schemaPath: codegen_1.nil,\n errSchemaPath: `${it.errSchemaPath}/${keyword}`,\n topSchemaRef: schemaRef,\n compositeRule: true,\n }, valid);\n cxt.pass(valid, () => cxt.error(true));\n}\nexports.macroKeywordCode = macroKeywordCode;\nfunction funcKeywordCode(cxt, def) {\n var _a;\n const { gen, keyword, schema, parentSchema, $data, it } = cxt;\n checkAsyncKeyword(it, def);\n const validate = !$data && def.compile ? def.compile.call(it.self, schema, parentSchema, it) : def.validate;\n const validateRef = useKeyword(gen, keyword, validate);\n const valid = gen.let(\"valid\");\n cxt.block$data(valid, validateKeyword);\n cxt.ok((_a = def.valid) !== null && _a !== void 0 ? _a : valid);\n function validateKeyword() {\n if (def.errors === false) {\n assignValid();\n if (def.modifying)\n modifyData(cxt);\n reportErrs(() => cxt.error());\n }\n else {\n const ruleErrs = def.async ? validateAsync() : validateSync();\n if (def.modifying)\n modifyData(cxt);\n reportErrs(() => addErrs(cxt, ruleErrs));\n }\n }\n function validateAsync() {\n const ruleErrs = gen.let(\"ruleErrs\", null);\n gen.try(() => assignValid(codegen_1._ `await `), (e) => gen.assign(valid, false).if(codegen_1._ `${e} instanceof ${it.ValidationError}`, () => gen.assign(ruleErrs, codegen_1._ `${e}.errors`), () => gen.throw(e)));\n return ruleErrs;\n }\n function validateSync() {\n const validateErrs = codegen_1._ `${validateRef}.errors`;\n gen.assign(validateErrs, null);\n assignValid(codegen_1.nil);\n return validateErrs;\n }\n function assignValid(_await = def.async ? codegen_1._ `await ` : codegen_1.nil) {\n const passCxt = it.opts.passContext ? names_1.default.this : names_1.default.self;\n const passSchema = !((\"compile\" in def && !$data) || def.schema === false);\n gen.assign(valid, codegen_1._ `${_await}${code_1.callValidateCode(cxt, validateRef, passCxt, passSchema)}`, def.modifying);\n }\n function reportErrs(errors) {\n var _a;\n gen.if(codegen_1.not((_a = def.valid) !== null && _a !== void 0 ? _a : valid), errors);\n }\n}\nexports.funcKeywordCode = funcKeywordCode;\nfunction modifyData(cxt) {\n const { gen, data, it } = cxt;\n gen.if(it.parentData, () => gen.assign(data, codegen_1._ `${it.parentData}[${it.parentDataProperty}]`));\n}\nfunction addErrs(cxt, errs) {\n const { gen } = cxt;\n gen.if(codegen_1._ `Array.isArray(${errs})`, () => {\n gen\n .assign(names_1.default.vErrors, codegen_1._ `${names_1.default.vErrors} === null ? ${errs} : ${names_1.default.vErrors}.concat(${errs})`)\n .assign(names_1.default.errors, codegen_1._ `${names_1.default.vErrors}.length`);\n errors_1.extendErrors(cxt);\n }, () => cxt.error());\n}\nfunction checkAsyncKeyword({ schemaEnv }, def) {\n if (def.async && !schemaEnv.$async)\n throw new Error(\"async keyword in sync schema\");\n}\nfunction useKeyword(gen, keyword, result) {\n if (result === undefined)\n throw new Error(`keyword \"${keyword}\" failed to compile`);\n return gen.scopeValue(\"keyword\", typeof result == \"function\" ? { ref: result } : { ref: result, code: codegen_1.stringify(result) });\n}\nfunction validSchemaType(schema, schemaType, allowUndefined = false) {\n // TODO add tests\n return (!schemaType.length ||\n schemaType.some((st) => st === \"array\"\n ? Array.isArray(schema)\n : st === \"object\"\n ? schema && typeof schema == \"object\" && !Array.isArray(schema)\n : typeof schema == st || (allowUndefined && typeof schema == \"undefined\")));\n}\nexports.validSchemaType = validSchemaType;\nfunction validateKeywordUsage({ schema, opts, self, errSchemaPath }, def, keyword) {\n /* istanbul ignore if */\n if (Array.isArray(def.keyword) ? !def.keyword.includes(keyword) : def.keyword !== keyword) {\n throw new Error(\"ajv implementation error\");\n }\n const deps = def.dependencies;\n if (deps === null || deps === void 0 ? void 0 : deps.some((kwd) => !Object.prototype.hasOwnProperty.call(schema, kwd))) {\n throw new Error(`parent schema must have dependencies of ${keyword}: ${deps.join(\",\")}`);\n }\n if (def.validateSchema) {\n const valid = def.validateSchema(schema[keyword]);\n if (!valid) {\n const msg = `keyword \"${keyword}\" value is invalid at path \"${errSchemaPath}\": ` +\n self.errorsText(def.validateSchema.errors);\n if (opts.validateSchema === \"log\")\n self.logger.error(msg);\n else\n throw new Error(msg);\n }\n }\n}\nexports.validateKeywordUsage = validateKeywordUsage;\n//# sourceMappingURL=keyword.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.extendSubschemaMode = exports.extendSubschemaData = exports.getSubschema = void 0;\nconst codegen_1 = require(\"../codegen\");\nconst util_1 = require(\"../util\");\nfunction getSubschema(it, { keyword, schemaProp, schema, schemaPath, errSchemaPath, topSchemaRef }) {\n if (keyword !== undefined && schema !== undefined) {\n throw new Error('both \"keyword\" and \"schema\" passed, only one allowed');\n }\n if (keyword !== undefined) {\n const sch = it.schema[keyword];\n return schemaProp === undefined\n ? {\n schema: sch,\n schemaPath: codegen_1._ `${it.schemaPath}${codegen_1.getProperty(keyword)}`,\n errSchemaPath: `${it.errSchemaPath}/${keyword}`,\n }\n : {\n schema: sch[schemaProp],\n schemaPath: codegen_1._ `${it.schemaPath}${codegen_1.getProperty(keyword)}${codegen_1.getProperty(schemaProp)}`,\n errSchemaPath: `${it.errSchemaPath}/${keyword}/${util_1.escapeFragment(schemaProp)}`,\n };\n }\n if (schema !== undefined) {\n if (schemaPath === undefined || errSchemaPath === undefined || topSchemaRef === undefined) {\n throw new Error('\"schemaPath\", \"errSchemaPath\" and \"topSchemaRef\" are required with \"schema\"');\n }\n return {\n schema,\n schemaPath,\n topSchemaRef,\n errSchemaPath,\n };\n }\n throw new Error('either \"keyword\" or \"schema\" must be passed');\n}\nexports.getSubschema = getSubschema;\nfunction extendSubschemaData(subschema, it, { dataProp, dataPropType: dpType, data, dataTypes, propertyName }) {\n if (data !== undefined && dataProp !== undefined) {\n throw new Error('both \"data\" and \"dataProp\" passed, only one allowed');\n }\n const { gen } = it;\n if (dataProp !== undefined) {\n const { errorPath, dataPathArr, opts } = it;\n const nextData = gen.let(\"data\", codegen_1._ `${it.data}${codegen_1.getProperty(dataProp)}`, true);\n dataContextProps(nextData);\n subschema.errorPath = codegen_1.str `${errorPath}${util_1.getErrorPath(dataProp, dpType, opts.jsPropertySyntax)}`;\n subschema.parentDataProperty = codegen_1._ `${dataProp}`;\n subschema.dataPathArr = [...dataPathArr, subschema.parentDataProperty];\n }\n if (data !== undefined) {\n const nextData = data instanceof codegen_1.Name ? data : gen.let(\"data\", data, true); // replaceable if used once?\n dataContextProps(nextData);\n if (propertyName !== undefined)\n subschema.propertyName = propertyName;\n // TODO something is possibly wrong here with not changing parentDataProperty and not appending dataPathArr\n }\n if (dataTypes)\n subschema.dataTypes = dataTypes;\n function dataContextProps(_nextData) {\n subschema.data = _nextData;\n subschema.dataLevel = it.dataLevel + 1;\n subschema.dataTypes = [];\n it.definedProperties = new Set();\n subschema.parentData = it.data;\n subschema.dataNames = [...it.dataNames, _nextData];\n }\n}\nexports.extendSubschemaData = extendSubschemaData;\nfunction extendSubschemaMode(subschema, { jtdDiscriminator, jtdMetadata, compositeRule, createErrors, allErrors }) {\n if (compositeRule !== undefined)\n subschema.compositeRule = compositeRule;\n if (createErrors !== undefined)\n subschema.createErrors = createErrors;\n if (allErrors !== undefined)\n subschema.allErrors = allErrors;\n subschema.jtdDiscriminator = jtdDiscriminator; // not inherited\n subschema.jtdMetadata = jtdMetadata; // not inherited\n}\nexports.extendSubschemaMode = extendSubschemaMode;\n//# sourceMappingURL=subschema.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.CodeGen = exports.Name = exports.nil = exports.stringify = exports.str = exports._ = exports.KeywordCxt = void 0;\nvar validate_1 = require(\"./compile/validate\");\nObject.defineProperty(exports, \"KeywordCxt\", { enumerable: true, get: function () { return validate_1.KeywordCxt; } });\nvar codegen_1 = require(\"./compile/codegen\");\nObject.defineProperty(exports, \"_\", { enumerable: true, get: function () { return codegen_1._; } });\nObject.defineProperty(exports, \"str\", { enumerable: true, get: function () { return codegen_1.str; } });\nObject.defineProperty(exports, \"stringify\", { enumerable: true, get: function () { return codegen_1.stringify; } });\nObject.defineProperty(exports, \"nil\", { enumerable: true, get: function () { return codegen_1.nil; } });\nObject.defineProperty(exports, \"Name\", { enumerable: true, get: function () { return codegen_1.Name; } });\nObject.defineProperty(exports, \"CodeGen\", { enumerable: true, get: function () { return codegen_1.CodeGen; } });\nconst validation_error_1 = require(\"./runtime/validation_error\");\nconst ref_error_1 = require(\"./compile/ref_error\");\nconst rules_1 = require(\"./compile/rules\");\nconst compile_1 = require(\"./compile\");\nconst codegen_2 = require(\"./compile/codegen\");\nconst resolve_1 = require(\"./compile/resolve\");\nconst dataType_1 = require(\"./compile/validate/dataType\");\nconst util_1 = require(\"./compile/util\");\nconst $dataRefSchema = require(\"./refs/data.json\");\nconst META_IGNORE_OPTIONS = [\"removeAdditional\", \"useDefaults\", \"coerceTypes\"];\nconst EXT_SCOPE_NAMES = new Set([\n \"validate\",\n \"serialize\",\n \"parse\",\n \"wrapper\",\n \"root\",\n \"schema\",\n \"keyword\",\n \"pattern\",\n \"formats\",\n \"validate$data\",\n \"func\",\n \"obj\",\n \"Error\",\n]);\nconst removedOptions = {\n errorDataPath: \"\",\n format: \"`validateFormats: false` can be used instead.\",\n nullable: '\"nullable\" keyword is supported by default.',\n jsonPointers: \"Deprecated jsPropertySyntax can be used instead.\",\n extendRefs: \"Deprecated ignoreKeywordsWithRef can be used instead.\",\n missingRefs: \"Pass empty schema with $id that should be ignored to ajv.addSchema.\",\n processCode: \"Use option `code: {process: (code, schemaEnv: object) => string}`\",\n sourceCode: \"Use option `code: {source: true}`\",\n schemaId: \"JSON Schema draft-04 is not supported in Ajv v7/8.\",\n strictDefaults: \"It is default now, see option `strict`.\",\n strictKeywords: \"It is default now, see option `strict`.\",\n uniqueItems: '\"uniqueItems\" keyword is always validated.',\n unknownFormats: \"Disable strict mode or pass `true` to `ajv.addFormat` (or `formats` option).\",\n cache: \"Map is used as cache, schema object as key.\",\n serialize: \"Map is used as cache, schema object as key.\",\n ajvErrors: \"It is default now.\",\n};\nconst deprecatedOptions = {\n ignoreKeywordsWithRef: \"\",\n jsPropertySyntax: \"\",\n unicode: '\"minLength\"/\"maxLength\" account for unicode characters by default.',\n};\nconst MAX_EXPRESSION = 200;\n// eslint-disable-next-line complexity\nfunction requiredOptions(o) {\n var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r, _s, _t, _u, _v;\n const s = o.strict;\n const _optz = (_a = o.code) === null || _a === void 0 ? void 0 : _a.optimize;\n const optimize = _optz === true || _optz === undefined ? 1 : _optz || 0;\n return {\n strictSchema: (_c = (_b = o.strictSchema) !== null && _b !== void 0 ? _b : s) !== null && _c !== void 0 ? _c : true,\n strictNumbers: (_e = (_d = o.strictNumbers) !== null && _d !== void 0 ? _d : s) !== null && _e !== void 0 ? _e : true,\n strictTypes: (_g = (_f = o.strictTypes) !== null && _f !== void 0 ? _f : s) !== null && _g !== void 0 ? _g : \"log\",\n strictTuples: (_j = (_h = o.strictTuples) !== null && _h !== void 0 ? _h : s) !== null && _j !== void 0 ? _j : \"log\",\n strictRequired: (_l = (_k = o.strictRequired) !== null && _k !== void 0 ? _k : s) !== null && _l !== void 0 ? _l : false,\n code: o.code ? { ...o.code, optimize } : { optimize },\n loopRequired: (_m = o.loopRequired) !== null && _m !== void 0 ? _m : MAX_EXPRESSION,\n loopEnum: (_o = o.loopEnum) !== null && _o !== void 0 ? _o : MAX_EXPRESSION,\n meta: (_p = o.meta) !== null && _p !== void 0 ? _p : true,\n messages: (_q = o.messages) !== null && _q !== void 0 ? _q : true,\n inlineRefs: (_r = o.inlineRefs) !== null && _r !== void 0 ? _r : true,\n addUsedSchema: (_s = o.addUsedSchema) !== null && _s !== void 0 ? _s : true,\n validateSchema: (_t = o.validateSchema) !== null && _t !== void 0 ? _t : true,\n validateFormats: (_u = o.validateFormats) !== null && _u !== void 0 ? _u : true,\n unicodeRegExp: (_v = o.unicodeRegExp) !== null && _v !== void 0 ? _v : true,\n };\n}\nclass Ajv {\n constructor(opts = {}) {\n this.schemas = {};\n this.refs = {};\n this.formats = {};\n this._compilations = new Set();\n this._loading = {};\n this._cache = new Map();\n opts = this.opts = { ...opts, ...requiredOptions(opts) };\n const { es5, lines } = this.opts.code;\n this.scope = new codegen_2.ValueScope({ scope: {}, prefixes: EXT_SCOPE_NAMES, es5, lines });\n this.logger = getLogger(opts.logger);\n const formatOpt = opts.validateFormats;\n opts.validateFormats = false;\n this.RULES = rules_1.getRules();\n checkOptions.call(this, removedOptions, opts, \"NOT SUPPORTED\");\n checkOptions.call(this, deprecatedOptions, opts, \"DEPRECATED\", \"warn\");\n this._metaOpts = getMetaSchemaOptions.call(this);\n if (opts.formats)\n addInitialFormats.call(this);\n this._addVocabularies();\n this._addDefaultMetaSchema();\n if (opts.keywords)\n addInitialKeywords.call(this, opts.keywords);\n if (typeof opts.meta == \"object\")\n this.addMetaSchema(opts.meta);\n addInitialSchemas.call(this);\n opts.validateFormats = formatOpt;\n }\n _addVocabularies() {\n this.addKeyword(\"$async\");\n }\n _addDefaultMetaSchema() {\n const { $data, meta } = this.opts;\n if (meta && $data)\n this.addMetaSchema($dataRefSchema, $dataRefSchema.$id, false);\n }\n defaultMeta() {\n const { meta } = this.opts;\n return (this.opts.defaultMeta = typeof meta == \"object\" ? meta.$id || meta : undefined);\n }\n validate(schemaKeyRef, // key, ref or schema object\n data // to be validated\n ) {\n let v;\n if (typeof schemaKeyRef == \"string\") {\n v = this.getSchema(schemaKeyRef);\n if (!v)\n throw new Error(`no schema with key or ref \"${schemaKeyRef}\"`);\n }\n else {\n v = this.compile(schemaKeyRef);\n }\n const valid = v(data);\n if (!(\"$async\" in v))\n this.errors = v.errors;\n return valid;\n }\n compile(schema, _meta) {\n const sch = this._addSchema(schema, _meta);\n return (sch.validate || this._compileSchemaEnv(sch));\n }\n compileAsync(schema, meta) {\n if (typeof this.opts.loadSchema != \"function\") {\n throw new Error(\"options.loadSchema should be a function\");\n }\n const { loadSchema } = this.opts;\n return runCompileAsync.call(this, schema, meta);\n async function runCompileAsync(_schema, _meta) {\n await loadMetaSchema.call(this, _schema.$schema);\n const sch = this._addSchema(_schema, _meta);\n return sch.validate || _compileAsync.call(this, sch);\n }\n async function loadMetaSchema($ref) {\n if ($ref && !this.getSchema($ref)) {\n await runCompileAsync.call(this, { $ref }, true);\n }\n }\n async function _compileAsync(sch) {\n try {\n return this._compileSchemaEnv(sch);\n }\n catch (e) {\n if (!(e instanceof ref_error_1.default))\n throw e;\n checkLoaded.call(this, e);\n await loadMissingSchema.call(this, e.missingSchema);\n return _compileAsync.call(this, sch);\n }\n }\n function checkLoaded({ missingSchema: ref, missingRef }) {\n if (this.refs[ref]) {\n throw new Error(`AnySchema ${ref} is loaded but ${missingRef} cannot be resolved`);\n }\n }\n async function loadMissingSchema(ref) {\n const _schema = await _loadSchema.call(this, ref);\n if (!this.refs[ref])\n await loadMetaSchema.call(this, _schema.$schema);\n if (!this.refs[ref])\n this.addSchema(_schema, ref, meta);\n }\n async function _loadSchema(ref) {\n const p = this._loading[ref];\n if (p)\n return p;\n try {\n return await (this._loading[ref] = loadSchema(ref));\n }\n finally {\n delete this._loading[ref];\n }\n }\n }\n // Adds schema to the instance\n addSchema(schema, // If array is passed, `key` will be ignored\n key, // Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.\n _meta, // true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.\n _validateSchema = this.opts.validateSchema // false to skip schema validation. Used internally, option validateSchema should be used instead.\n ) {\n if (Array.isArray(schema)) {\n for (const sch of schema)\n this.addSchema(sch, undefined, _meta, _validateSchema);\n return this;\n }\n let id;\n if (typeof schema === \"object\") {\n id = schema.$id;\n if (id !== undefined && typeof id != \"string\")\n throw new Error(\"schema $id must be string\");\n }\n key = resolve_1.normalizeId(key || id);\n this._checkUnique(key);\n this.schemas[key] = this._addSchema(schema, _meta, key, _validateSchema, true);\n return this;\n }\n // Add schema that will be used to validate other schemas\n // options in META_IGNORE_OPTIONS are alway set to false\n addMetaSchema(schema, key, // schema key\n _validateSchema = this.opts.validateSchema // false to skip schema validation, can be used to override validateSchema option for meta-schema\n ) {\n this.addSchema(schema, key, true, _validateSchema);\n return this;\n }\n // Validate schema against its meta-schema\n validateSchema(schema, throwOrLogError) {\n if (typeof schema == \"boolean\")\n return true;\n let $schema;\n $schema = schema.$schema;\n if ($schema !== undefined && typeof $schema != \"string\") {\n throw new Error(\"$schema must be a string\");\n }\n $schema = $schema || this.opts.defaultMeta || this.defaultMeta();\n if (!$schema) {\n this.logger.warn(\"meta-schema not available\");\n this.errors = null;\n return true;\n }\n const valid = this.validate($schema, schema);\n if (!valid && throwOrLogError) {\n const message = \"schema is invalid: \" + this.errorsText();\n if (this.opts.validateSchema === \"log\")\n this.logger.error(message);\n else\n throw new Error(message);\n }\n return valid;\n }\n // Get compiled schema by `key` or `ref`.\n // (`key` that was passed to `addSchema` or full schema reference - `schema.$id` or resolved id)\n getSchema(keyRef) {\n let sch;\n while (typeof (sch = getSchEnv.call(this, keyRef)) == \"string\")\n keyRef = sch;\n if (sch === undefined) {\n const root = new compile_1.SchemaEnv({ schema: {} });\n sch = compile_1.resolveSchema.call(this, root, keyRef);\n if (!sch)\n return;\n this.refs[keyRef] = sch;\n }\n return (sch.validate || this._compileSchemaEnv(sch));\n }\n // Remove cached schema(s).\n // If no parameter is passed all schemas but meta-schemas are removed.\n // If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.\n // Even if schema is referenced by other schemas it still can be removed as other schemas have local references.\n removeSchema(schemaKeyRef) {\n if (schemaKeyRef instanceof RegExp) {\n this._removeAllSchemas(this.schemas, schemaKeyRef);\n this._removeAllSchemas(this.refs, schemaKeyRef);\n return this;\n }\n switch (typeof schemaKeyRef) {\n case \"undefined\":\n this._removeAllSchemas(this.schemas);\n this._removeAllSchemas(this.refs);\n this._cache.clear();\n return this;\n case \"string\": {\n const sch = getSchEnv.call(this, schemaKeyRef);\n if (typeof sch == \"object\")\n this._cache.delete(sch.schema);\n delete this.schemas[schemaKeyRef];\n delete this.refs[schemaKeyRef];\n return this;\n }\n case \"object\": {\n const cacheKey = schemaKeyRef;\n this._cache.delete(cacheKey);\n let id = schemaKeyRef.$id;\n if (id) {\n id = resolve_1.normalizeId(id);\n delete this.schemas[id];\n delete this.refs[id];\n }\n return this;\n }\n default:\n throw new Error(\"ajv.removeSchema: invalid parameter\");\n }\n }\n // add \"vocabulary\" - a collection of keywords\n addVocabulary(definitions) {\n for (const def of definitions)\n this.addKeyword(def);\n return this;\n }\n addKeyword(kwdOrDef, def // deprecated\n ) {\n let keyword;\n if (typeof kwdOrDef == \"string\") {\n keyword = kwdOrDef;\n if (typeof def == \"object\") {\n this.logger.warn(\"these parameters are deprecated, see docs for addKeyword\");\n def.keyword = keyword;\n }\n }\n else if (typeof kwdOrDef == \"object\" && def === undefined) {\n def = kwdOrDef;\n keyword = def.keyword;\n if (Array.isArray(keyword) && !keyword.length) {\n throw new Error(\"addKeywords: keyword must be string or non-empty array\");\n }\n }\n else {\n throw new Error(\"invalid addKeywords parameters\");\n }\n checkKeyword.call(this, keyword, def);\n if (!def) {\n util_1.eachItem(keyword, (kwd) => addRule.call(this, kwd));\n return this;\n }\n keywordMetaschema.call(this, def);\n const definition = {\n ...def,\n type: dataType_1.getJSONTypes(def.type),\n schemaType: dataType_1.getJSONTypes(def.schemaType),\n };\n util_1.eachItem(keyword, definition.type.length === 0\n ? (k) => addRule.call(this, k, definition)\n : (k) => definition.type.forEach((t) => addRule.call(this, k, definition, t)));\n return this;\n }\n getKeyword(keyword) {\n const rule = this.RULES.all[keyword];\n return typeof rule == \"object\" ? rule.definition : !!rule;\n }\n // Remove keyword\n removeKeyword(keyword) {\n // TODO return type should be Ajv\n const { RULES } = this;\n delete RULES.keywords[keyword];\n delete RULES.all[keyword];\n for (const group of RULES.rules) {\n const i = group.rules.findIndex((rule) => rule.keyword === keyword);\n if (i >= 0)\n group.rules.splice(i, 1);\n }\n return this;\n }\n // Add format\n addFormat(name, format) {\n if (typeof format == \"string\")\n format = new RegExp(format);\n this.formats[name] = format;\n return this;\n }\n errorsText(errors = this.errors, // optional array of validation errors\n { separator = \", \", dataVar = \"data\" } = {} // optional options with properties `separator` and `dataVar`\n ) {\n if (!errors || errors.length === 0)\n return \"No errors\";\n return errors\n .map((e) => `${dataVar}${e.instancePath} ${e.message}`)\n .reduce((text, msg) => text + separator + msg);\n }\n $dataMetaSchema(metaSchema, keywordsJsonPointers) {\n const rules = this.RULES.all;\n metaSchema = JSON.parse(JSON.stringify(metaSchema));\n for (const jsonPointer of keywordsJsonPointers) {\n const segments = jsonPointer.split(\"/\").slice(1); // first segment is an empty string\n let keywords = metaSchema;\n for (const seg of segments)\n keywords = keywords[seg];\n for (const key in rules) {\n const rule = rules[key];\n if (typeof rule != \"object\")\n continue;\n const { $data } = rule.definition;\n const schema = keywords[key];\n if ($data && schema)\n keywords[key] = schemaOrData(schema);\n }\n }\n return metaSchema;\n }\n _removeAllSchemas(schemas, regex) {\n for (const keyRef in schemas) {\n const sch = schemas[keyRef];\n if (!regex || regex.test(keyRef)) {\n if (typeof sch == \"string\") {\n delete schemas[keyRef];\n }\n else if (sch && !sch.meta) {\n this._cache.delete(sch.schema);\n delete schemas[keyRef];\n }\n }\n }\n }\n _addSchema(schema, meta, baseId, validateSchema = this.opts.validateSchema, addSchema = this.opts.addUsedSchema) {\n let id;\n if (typeof schema == \"object\") {\n id = schema.$id;\n }\n else {\n if (this.opts.jtd)\n throw new Error(\"schema must be object\");\n else if (typeof schema != \"boolean\")\n throw new Error(\"schema must be object or boolean\");\n }\n let sch = this._cache.get(schema);\n if (sch !== undefined)\n return sch;\n const localRefs = resolve_1.getSchemaRefs.call(this, schema);\n baseId = resolve_1.normalizeId(id || baseId);\n sch = new compile_1.SchemaEnv({ schema, meta, baseId, localRefs });\n this._cache.set(sch.schema, sch);\n if (addSchema && !baseId.startsWith(\"#\")) {\n // TODO atm it is allowed to overwrite schemas without id (instead of not adding them)\n if (baseId)\n this._checkUnique(baseId);\n this.refs[baseId] = sch;\n }\n if (validateSchema)\n this.validateSchema(schema, true);\n return sch;\n }\n _checkUnique(id) {\n if (this.schemas[id] || this.refs[id]) {\n throw new Error(`schema with key or id \"${id}\" already exists`);\n }\n }\n _compileSchemaEnv(sch) {\n if (sch.meta)\n this._compileMetaSchema(sch);\n else\n compile_1.compileSchema.call(this, sch);\n /* istanbul ignore if */\n if (!sch.validate)\n throw new Error(\"ajv implementation error\");\n return sch.validate;\n }\n _compileMetaSchema(sch) {\n const currentOpts = this.opts;\n this.opts = this._metaOpts;\n try {\n compile_1.compileSchema.call(this, sch);\n }\n finally {\n this.opts = currentOpts;\n }\n }\n}\nexports.default = Ajv;\nAjv.ValidationError = validation_error_1.default;\nAjv.MissingRefError = ref_error_1.default;\nfunction checkOptions(checkOpts, options, msg, log = \"error\") {\n for (const key in checkOpts) {\n const opt = key;\n if (opt in options)\n this.logger[log](`${msg}: option ${key}. ${checkOpts[opt]}`);\n }\n}\nfunction getSchEnv(keyRef) {\n keyRef = resolve_1.normalizeId(keyRef); // TODO tests fail without this line\n return this.schemas[keyRef] || this.refs[keyRef];\n}\nfunction addInitialSchemas() {\n const optsSchemas = this.opts.schemas;\n if (!optsSchemas)\n return;\n if (Array.isArray(optsSchemas))\n this.addSchema(optsSchemas);\n else\n for (const key in optsSchemas)\n this.addSchema(optsSchemas[key], key);\n}\nfunction addInitialFormats() {\n for (const name in this.opts.formats) {\n const format = this.opts.formats[name];\n if (format)\n this.addFormat(name, format);\n }\n}\nfunction addInitialKeywords(defs) {\n if (Array.isArray(defs)) {\n this.addVocabulary(defs);\n return;\n }\n this.logger.warn(\"keywords option as map is deprecated, pass array\");\n for (const keyword in defs) {\n const def = defs[keyword];\n if (!def.keyword)\n def.keyword = keyword;\n this.addKeyword(def);\n }\n}\nfunction getMetaSchemaOptions() {\n const metaOpts = { ...this.opts };\n for (const opt of META_IGNORE_OPTIONS)\n delete metaOpts[opt];\n return metaOpts;\n}\nconst noLogs = { log() { }, warn() { }, error() { } };\nfunction getLogger(logger) {\n if (logger === false)\n return noLogs;\n if (logger === undefined)\n return console;\n if (logger.log && logger.warn && logger.error)\n return logger;\n throw new Error(\"logger must implement log, warn and error methods\");\n}\nconst KEYWORD_NAME = /^[a-z_$][a-z0-9_$:-]*$/i;\nfunction checkKeyword(keyword, def) {\n const { RULES } = this;\n util_1.eachItem(keyword, (kwd) => {\n if (RULES.keywords[kwd])\n throw new Error(`Keyword ${kwd} is already defined`);\n if (!KEYWORD_NAME.test(kwd))\n throw new Error(`Keyword ${kwd} has invalid name`);\n });\n if (!def)\n return;\n if (def.$data && !(\"code\" in def || \"validate\" in def)) {\n throw new Error('$data keyword must have \"code\" or \"validate\" function');\n }\n}\nfunction addRule(keyword, definition, dataType) {\n var _a;\n const post = definition === null || definition === void 0 ? void 0 : definition.post;\n if (dataType && post)\n throw new Error('keyword with \"post\" flag cannot have \"type\"');\n const { RULES } = this;\n let ruleGroup = post ? RULES.post : RULES.rules.find(({ type: t }) => t === dataType);\n if (!ruleGroup) {\n ruleGroup = { type: dataType, rules: [] };\n RULES.rules.push(ruleGroup);\n }\n RULES.keywords[keyword] = true;\n if (!definition)\n return;\n const rule = {\n keyword,\n definition: {\n ...definition,\n type: dataType_1.getJSONTypes(definition.type),\n schemaType: dataType_1.getJSONTypes(definition.schemaType),\n },\n };\n if (definition.before)\n addBeforeRule.call(this, ruleGroup, rule, definition.before);\n else\n ruleGroup.rules.push(rule);\n RULES.all[keyword] = rule;\n (_a = definition.implements) === null || _a === void 0 ? void 0 : _a.forEach((kwd) => this.addKeyword(kwd));\n}\nfunction addBeforeRule(ruleGroup, rule, before) {\n const i = ruleGroup.rules.findIndex((_rule) => _rule.keyword === before);\n if (i >= 0) {\n ruleGroup.rules.splice(i, 0, rule);\n }\n else {\n ruleGroup.rules.push(rule);\n this.logger.warn(`rule ${before} is not defined`);\n }\n}\nfunction keywordMetaschema(def) {\n let { metaSchema } = def;\n if (metaSchema === undefined)\n return;\n if (def.$data && this.opts.$data)\n metaSchema = schemaOrData(metaSchema);\n def.validateSchema = this.compile(metaSchema, true);\n}\nconst $dataRef = {\n $ref: \"https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#\",\n};\nfunction schemaOrData(schema) {\n return { anyOf: [schema, $dataRef] };\n}\n//# sourceMappingURL=core.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\n// https://github.com/ajv-validator/ajv/issues/889\nconst equal = require(\"fast-deep-equal\");\nequal.code = 'require(\"ajv/dist/runtime/equal\").default';\nexports.default = equal;\n//# sourceMappingURL=equal.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\n// https://mathiasbynens.be/notes/javascript-encoding\n// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode\nfunction ucs2length(str) {\n const len = str.length;\n let length = 0;\n let pos = 0;\n let value;\n while (pos < len) {\n length++;\n value = str.charCodeAt(pos++);\n if (value >= 0xd800 && value <= 0xdbff && pos < len) {\n // high surrogate, and there is a next character\n value = str.charCodeAt(pos);\n if ((value & 0xfc00) === 0xdc00)\n pos++; // low surrogate\n }\n }\n return length;\n}\nexports.default = ucs2length;\nucs2length.code = 'require(\"ajv/dist/runtime/ucs2length\").default';\n//# sourceMappingURL=ucs2length.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nclass ValidationError extends Error {\n constructor(errors) {\n super(\"validation failed\");\n this.errors = errors;\n this.ajv = this.validation = true;\n }\n}\nexports.default = ValidationError;\n//# sourceMappingURL=validation_error.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.validateAdditionalItems = void 0;\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: ({ params: { len } }) => codegen_1.str `must NOT have more than ${len} items`,\n params: ({ params: { len } }) => codegen_1._ `{limit: ${len}}`,\n};\nconst def = {\n keyword: \"additionalItems\",\n type: \"array\",\n schemaType: [\"boolean\", \"object\"],\n before: \"uniqueItems\",\n error,\n code(cxt) {\n const { parentSchema, it } = cxt;\n const { items } = parentSchema;\n if (!Array.isArray(items)) {\n util_1.checkStrictMode(it, '\"additionalItems\" is ignored when \"items\" is not an array of schemas');\n return;\n }\n validateAdditionalItems(cxt, items);\n },\n};\nfunction validateAdditionalItems(cxt, items) {\n const { gen, schema, data, keyword, it } = cxt;\n it.items = true;\n const len = gen.const(\"len\", codegen_1._ `${data}.length`);\n if (schema === false) {\n cxt.setParams({ len: items.length });\n cxt.pass(codegen_1._ `${len} <= ${items.length}`);\n }\n else if (typeof schema == \"object\" && !util_1.alwaysValidSchema(it, schema)) {\n const valid = gen.var(\"valid\", codegen_1._ `${len} <= ${items.length}`); // TODO var\n gen.if(codegen_1.not(valid), () => validateItems(valid));\n cxt.ok(valid);\n }\n function validateItems(valid) {\n gen.forRange(\"i\", items.length, len, (i) => {\n cxt.subschema({ keyword, dataProp: i, dataPropType: util_1.Type.Num }, valid);\n if (!it.allErrors)\n gen.if(codegen_1.not(valid), () => gen.break());\n });\n }\n}\nexports.validateAdditionalItems = validateAdditionalItems;\nexports.default = def;\n//# sourceMappingURL=additionalItems.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst names_1 = require(\"../../compile/names\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: \"must NOT have additional properties\",\n params: ({ params }) => codegen_1._ `{additionalProperty: ${params.additionalProperty}}`,\n};\nconst def = {\n keyword: \"additionalProperties\",\n type: [\"object\"],\n schemaType: [\"boolean\", \"object\"],\n allowUndefined: true,\n trackErrors: true,\n error,\n code(cxt) {\n const { gen, schema, parentSchema, data, errsCount, it } = cxt;\n /* istanbul ignore if */\n if (!errsCount)\n throw new Error(\"ajv implementation error\");\n const { allErrors, opts } = it;\n it.props = true;\n if (opts.removeAdditional !== \"all\" && util_1.alwaysValidSchema(it, schema))\n return;\n const props = code_1.allSchemaProperties(parentSchema.properties);\n const patProps = code_1.allSchemaProperties(parentSchema.patternProperties);\n checkAdditionalProperties();\n cxt.ok(codegen_1._ `${errsCount} === ${names_1.default.errors}`);\n function checkAdditionalProperties() {\n gen.forIn(\"key\", data, (key) => {\n if (!props.length && !patProps.length)\n additionalPropertyCode(key);\n else\n gen.if(isAdditional(key), () => additionalPropertyCode(key));\n });\n }\n function isAdditional(key) {\n let definedProp;\n if (props.length > 8) {\n // TODO maybe an option instead of hard-coded 8?\n const propsSchema = util_1.schemaRefOrVal(it, parentSchema.properties, \"properties\");\n definedProp = code_1.isOwnProperty(gen, propsSchema, key);\n }\n else if (props.length) {\n definedProp = codegen_1.or(...props.map((p) => codegen_1._ `${key} === ${p}`));\n }\n else {\n definedProp = codegen_1.nil;\n }\n if (patProps.length) {\n definedProp = codegen_1.or(definedProp, ...patProps.map((p) => codegen_1._ `${code_1.usePattern(cxt, p)}.test(${key})`));\n }\n return codegen_1.not(definedProp);\n }\n function deleteAdditional(key) {\n gen.code(codegen_1._ `delete ${data}[${key}]`);\n }\n function additionalPropertyCode(key) {\n if (opts.removeAdditional === \"all\" || (opts.removeAdditional && schema === false)) {\n deleteAdditional(key);\n return;\n }\n if (schema === false) {\n cxt.setParams({ additionalProperty: key });\n cxt.error();\n if (!allErrors)\n gen.break();\n return;\n }\n if (typeof schema == \"object\" && !util_1.alwaysValidSchema(it, schema)) {\n const valid = gen.name(\"valid\");\n if (opts.removeAdditional === \"failing\") {\n applyAdditionalSchema(key, valid, false);\n gen.if(codegen_1.not(valid), () => {\n cxt.reset();\n deleteAdditional(key);\n });\n }\n else {\n applyAdditionalSchema(key, valid);\n if (!allErrors)\n gen.if(codegen_1.not(valid), () => gen.break());\n }\n }\n }\n function applyAdditionalSchema(key, valid, errors) {\n const subschema = {\n keyword: \"additionalProperties\",\n dataProp: key,\n dataPropType: util_1.Type.Str,\n };\n if (errors === false) {\n Object.assign(subschema, {\n compositeRule: true,\n createErrors: false,\n allErrors: false,\n });\n }\n cxt.subschema(subschema, valid);\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=additionalProperties.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst util_1 = require(\"../../compile/util\");\nconst def = {\n keyword: \"allOf\",\n schemaType: \"array\",\n code(cxt) {\n const { gen, schema, it } = cxt;\n /* istanbul ignore if */\n if (!Array.isArray(schema))\n throw new Error(\"ajv implementation error\");\n const valid = gen.name(\"valid\");\n schema.forEach((sch, i) => {\n if (util_1.alwaysValidSchema(it, sch))\n return;\n const schCxt = cxt.subschema({ keyword: \"allOf\", schemaProp: i }, valid);\n cxt.ok(valid);\n cxt.mergeEvaluated(schCxt);\n });\n },\n};\nexports.default = def;\n//# sourceMappingURL=allOf.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst def = {\n keyword: \"anyOf\",\n schemaType: \"array\",\n trackErrors: true,\n code: code_1.validateUnion,\n error: { message: \"must match a schema in anyOf\" },\n};\nexports.default = def;\n//# sourceMappingURL=anyOf.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: ({ params: { min, max } }) => max === undefined\n ? codegen_1.str `must contain at least ${min} valid item(s)`\n : codegen_1.str `must contain at least ${min} and no more than ${max} valid item(s)`,\n params: ({ params: { min, max } }) => max === undefined ? codegen_1._ `{minContains: ${min}}` : codegen_1._ `{minContains: ${min}, maxContains: ${max}}`,\n};\nconst def = {\n keyword: \"contains\",\n type: \"array\",\n schemaType: [\"object\", \"boolean\"],\n before: \"uniqueItems\",\n trackErrors: true,\n error,\n code(cxt) {\n const { gen, schema, parentSchema, data, it } = cxt;\n let min;\n let max;\n const { minContains, maxContains } = parentSchema;\n if (it.opts.next) {\n min = minContains === undefined ? 1 : minContains;\n max = maxContains;\n }\n else {\n min = 1;\n }\n const len = gen.const(\"len\", codegen_1._ `${data}.length`);\n cxt.setParams({ min, max });\n if (max === undefined && min === 0) {\n util_1.checkStrictMode(it, `\"minContains\" == 0 without \"maxContains\": \"contains\" keyword ignored`);\n return;\n }\n if (max !== undefined && min > max) {\n util_1.checkStrictMode(it, `\"minContains\" > \"maxContains\" is always invalid`);\n cxt.fail();\n return;\n }\n if (util_1.alwaysValidSchema(it, schema)) {\n let cond = codegen_1._ `${len} >= ${min}`;\n if (max !== undefined)\n cond = codegen_1._ `${cond} && ${len} <= ${max}`;\n cxt.pass(cond);\n return;\n }\n it.items = true;\n const valid = gen.name(\"valid\");\n if (max === undefined && min === 1) {\n validateItems(valid, () => gen.if(valid, () => gen.break()));\n }\n else {\n gen.let(valid, false);\n const schValid = gen.name(\"_valid\");\n const count = gen.let(\"count\", 0);\n validateItems(schValid, () => gen.if(schValid, () => checkLimits(count)));\n }\n cxt.result(valid, () => cxt.reset());\n function validateItems(_valid, block) {\n gen.forRange(\"i\", 0, len, (i) => {\n cxt.subschema({\n keyword: \"contains\",\n dataProp: i,\n dataPropType: util_1.Type.Num,\n compositeRule: true,\n }, _valid);\n block();\n });\n }\n function checkLimits(count) {\n gen.code(codegen_1._ `${count}++`);\n if (max === undefined) {\n gen.if(codegen_1._ `${count} >= ${min}`, () => gen.assign(valid, true).break());\n }\n else {\n gen.if(codegen_1._ `${count} > ${max}`, () => gen.assign(valid, false).break());\n if (min === 1)\n gen.assign(valid, true);\n else\n gen.if(codegen_1._ `${count} >= ${min}`, () => gen.assign(valid, true));\n }\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=contains.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.validateSchemaDeps = exports.validatePropertyDeps = exports.error = void 0;\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst code_1 = require(\"../code\");\nexports.error = {\n message: ({ params: { property, depsCount, deps } }) => {\n const property_ies = depsCount === 1 ? \"property\" : \"properties\";\n return codegen_1.str `must have ${property_ies} ${deps} when property ${property} is present`;\n },\n params: ({ params: { property, depsCount, deps, missingProperty } }) => codegen_1._ `{property: ${property},\n missingProperty: ${missingProperty},\n depsCount: ${depsCount},\n deps: ${deps}}`, // TODO change to reference\n};\nconst def = {\n keyword: \"dependencies\",\n type: \"object\",\n schemaType: \"object\",\n error: exports.error,\n code(cxt) {\n const [propDeps, schDeps] = splitDependencies(cxt);\n validatePropertyDeps(cxt, propDeps);\n validateSchemaDeps(cxt, schDeps);\n },\n};\nfunction splitDependencies({ schema }) {\n const propertyDeps = {};\n const schemaDeps = {};\n for (const key in schema) {\n if (key === \"__proto__\")\n continue;\n const deps = Array.isArray(schema[key]) ? propertyDeps : schemaDeps;\n deps[key] = schema[key];\n }\n return [propertyDeps, schemaDeps];\n}\nfunction validatePropertyDeps(cxt, propertyDeps = cxt.schema) {\n const { gen, data, it } = cxt;\n if (Object.keys(propertyDeps).length === 0)\n return;\n const missing = gen.let(\"missing\");\n for (const prop in propertyDeps) {\n const deps = propertyDeps[prop];\n if (deps.length === 0)\n continue;\n const hasProperty = code_1.propertyInData(gen, data, prop, it.opts.ownProperties);\n cxt.setParams({\n property: prop,\n depsCount: deps.length,\n deps: deps.join(\", \"),\n });\n if (it.allErrors) {\n gen.if(hasProperty, () => {\n for (const depProp of deps) {\n code_1.checkReportMissingProp(cxt, depProp);\n }\n });\n }\n else {\n gen.if(codegen_1._ `${hasProperty} && (${code_1.checkMissingProp(cxt, deps, missing)})`);\n code_1.reportMissingProp(cxt, missing);\n gen.else();\n }\n }\n}\nexports.validatePropertyDeps = validatePropertyDeps;\nfunction validateSchemaDeps(cxt, schemaDeps = cxt.schema) {\n const { gen, data, keyword, it } = cxt;\n const valid = gen.name(\"valid\");\n for (const prop in schemaDeps) {\n if (util_1.alwaysValidSchema(it, schemaDeps[prop]))\n continue;\n gen.if(code_1.propertyInData(gen, data, prop, it.opts.ownProperties), () => {\n const schCxt = cxt.subschema({ keyword, schemaProp: prop }, valid);\n cxt.mergeValidEvaluated(schCxt, valid);\n }, () => gen.var(valid, true) // TODO var\n );\n cxt.ok(valid);\n }\n}\nexports.validateSchemaDeps = validateSchemaDeps;\nexports.default = def;\n//# sourceMappingURL=dependencies.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: ({ params }) => codegen_1.str `must match \"${params.ifClause}\" schema`,\n params: ({ params }) => codegen_1._ `{failingKeyword: ${params.ifClause}}`,\n};\nconst def = {\n keyword: \"if\",\n schemaType: [\"object\", \"boolean\"],\n trackErrors: true,\n error,\n code(cxt) {\n const { gen, parentSchema, it } = cxt;\n if (parentSchema.then === undefined && parentSchema.else === undefined) {\n util_1.checkStrictMode(it, '\"if\" without \"then\" and \"else\" is ignored');\n }\n const hasThen = hasSchema(it, \"then\");\n const hasElse = hasSchema(it, \"else\");\n if (!hasThen && !hasElse)\n return;\n const valid = gen.let(\"valid\", true);\n const schValid = gen.name(\"_valid\");\n validateIf();\n cxt.reset();\n if (hasThen && hasElse) {\n const ifClause = gen.let(\"ifClause\");\n cxt.setParams({ ifClause });\n gen.if(schValid, validateClause(\"then\", ifClause), validateClause(\"else\", ifClause));\n }\n else if (hasThen) {\n gen.if(schValid, validateClause(\"then\"));\n }\n else {\n gen.if(codegen_1.not(schValid), validateClause(\"else\"));\n }\n cxt.pass(valid, () => cxt.error(true));\n function validateIf() {\n const schCxt = cxt.subschema({\n keyword: \"if\",\n compositeRule: true,\n createErrors: false,\n allErrors: false,\n }, schValid);\n cxt.mergeEvaluated(schCxt);\n }\n function validateClause(keyword, ifClause) {\n return () => {\n const schCxt = cxt.subschema({ keyword }, schValid);\n gen.assign(valid, schValid);\n cxt.mergeValidEvaluated(schCxt, valid);\n if (ifClause)\n gen.assign(ifClause, codegen_1._ `${keyword}`);\n else\n cxt.setParams({ ifClause: keyword });\n };\n }\n },\n};\nfunction hasSchema(it, keyword) {\n const schema = it.schema[keyword];\n return schema !== undefined && !util_1.alwaysValidSchema(it, schema);\n}\nexports.default = def;\n//# sourceMappingURL=if.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst additionalItems_1 = require(\"./additionalItems\");\nconst prefixItems_1 = require(\"./prefixItems\");\nconst items_1 = require(\"./items\");\nconst items2020_1 = require(\"./items2020\");\nconst contains_1 = require(\"./contains\");\nconst dependencies_1 = require(\"./dependencies\");\nconst propertyNames_1 = require(\"./propertyNames\");\nconst additionalProperties_1 = require(\"./additionalProperties\");\nconst properties_1 = require(\"./properties\");\nconst patternProperties_1 = require(\"./patternProperties\");\nconst not_1 = require(\"./not\");\nconst anyOf_1 = require(\"./anyOf\");\nconst oneOf_1 = require(\"./oneOf\");\nconst allOf_1 = require(\"./allOf\");\nconst if_1 = require(\"./if\");\nconst thenElse_1 = require(\"./thenElse\");\nfunction getApplicator(draft2020 = false) {\n const applicator = [\n // any\n not_1.default,\n anyOf_1.default,\n oneOf_1.default,\n allOf_1.default,\n if_1.default,\n thenElse_1.default,\n // object\n propertyNames_1.default,\n additionalProperties_1.default,\n dependencies_1.default,\n properties_1.default,\n patternProperties_1.default,\n ];\n // array\n if (draft2020)\n applicator.push(prefixItems_1.default, items2020_1.default);\n else\n applicator.push(additionalItems_1.default, items_1.default);\n applicator.push(contains_1.default);\n return applicator;\n}\nexports.default = getApplicator;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.validateTuple = void 0;\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst code_1 = require(\"../code\");\nconst def = {\n keyword: \"items\",\n type: \"array\",\n schemaType: [\"object\", \"array\", \"boolean\"],\n before: \"uniqueItems\",\n code(cxt) {\n const { schema, it } = cxt;\n if (Array.isArray(schema))\n return validateTuple(cxt, \"additionalItems\", schema);\n it.items = true;\n if (util_1.alwaysValidSchema(it, schema))\n return;\n cxt.ok(code_1.validateArray(cxt));\n },\n};\nfunction validateTuple(cxt, extraItems, schArr = cxt.schema) {\n const { gen, parentSchema, data, keyword, it } = cxt;\n checkStrictTuple(parentSchema);\n if (it.opts.unevaluated && schArr.length && it.items !== true) {\n it.items = util_1.mergeEvaluated.items(gen, schArr.length, it.items);\n }\n const valid = gen.name(\"valid\");\n const len = gen.const(\"len\", codegen_1._ `${data}.length`);\n schArr.forEach((sch, i) => {\n if (util_1.alwaysValidSchema(it, sch))\n return;\n gen.if(codegen_1._ `${len} > ${i}`, () => cxt.subschema({\n keyword,\n schemaProp: i,\n dataProp: i,\n }, valid));\n cxt.ok(valid);\n });\n function checkStrictTuple(sch) {\n const { opts, errSchemaPath } = it;\n const l = schArr.length;\n const fullTuple = l === sch.minItems && (l === sch.maxItems || sch[extraItems] === false);\n if (opts.strictTuples && !fullTuple) {\n const msg = `\"${keyword}\" is ${l}-tuple, but minItems or maxItems/${extraItems} are not specified or different at path \"${errSchemaPath}\"`;\n util_1.checkStrictMode(it, msg, opts.strictTuples);\n }\n }\n}\nexports.validateTuple = validateTuple;\nexports.default = def;\n//# sourceMappingURL=items.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst code_1 = require(\"../code\");\nconst additionalItems_1 = require(\"./additionalItems\");\nconst error = {\n message: ({ params: { len } }) => codegen_1.str `must NOT have more than ${len} items`,\n params: ({ params: { len } }) => codegen_1._ `{limit: ${len}}`,\n};\nconst def = {\n keyword: \"items\",\n type: \"array\",\n schemaType: [\"object\", \"boolean\"],\n before: \"uniqueItems\",\n error,\n code(cxt) {\n const { schema, parentSchema, it } = cxt;\n const { prefixItems } = parentSchema;\n it.items = true;\n if (util_1.alwaysValidSchema(it, schema))\n return;\n if (prefixItems)\n additionalItems_1.validateAdditionalItems(cxt, prefixItems);\n else\n cxt.ok(code_1.validateArray(cxt));\n },\n};\nexports.default = def;\n//# sourceMappingURL=items2020.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst util_1 = require(\"../../compile/util\");\nconst def = {\n keyword: \"not\",\n schemaType: [\"object\", \"boolean\"],\n trackErrors: true,\n code(cxt) {\n const { gen, schema, it } = cxt;\n if (util_1.alwaysValidSchema(it, schema)) {\n cxt.fail();\n return;\n }\n const valid = gen.name(\"valid\");\n cxt.subschema({\n keyword: \"not\",\n compositeRule: true,\n createErrors: false,\n allErrors: false,\n }, valid);\n cxt.result(valid, () => cxt.error(), () => cxt.reset());\n },\n error: { message: \"must NOT be valid\" },\n};\nexports.default = def;\n//# sourceMappingURL=not.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: \"must match exactly one schema in oneOf\",\n params: ({ params }) => codegen_1._ `{passingSchemas: ${params.passing}}`,\n};\nconst def = {\n keyword: \"oneOf\",\n schemaType: \"array\",\n trackErrors: true,\n error,\n code(cxt) {\n const { gen, schema, parentSchema, it } = cxt;\n /* istanbul ignore if */\n if (!Array.isArray(schema))\n throw new Error(\"ajv implementation error\");\n if (it.opts.discriminator && parentSchema.discriminator)\n return;\n const schArr = schema;\n const valid = gen.let(\"valid\", false);\n const passing = gen.let(\"passing\", null);\n const schValid = gen.name(\"_valid\");\n cxt.setParams({ passing });\n // TODO possibly fail straight away (with warning or exception) if there are two empty always valid schemas\n gen.block(validateOneOf);\n cxt.result(valid, () => cxt.reset(), () => cxt.error(true));\n function validateOneOf() {\n schArr.forEach((sch, i) => {\n let schCxt;\n if (util_1.alwaysValidSchema(it, sch)) {\n gen.var(schValid, true);\n }\n else {\n schCxt = cxt.subschema({\n keyword: \"oneOf\",\n schemaProp: i,\n compositeRule: true,\n }, schValid);\n }\n if (i > 0) {\n gen\n .if(codegen_1._ `${schValid} && ${valid}`)\n .assign(valid, false)\n .assign(passing, codegen_1._ `[${passing}, ${i}]`)\n .else();\n }\n gen.if(schValid, () => {\n gen.assign(valid, true);\n gen.assign(passing, i);\n if (schCxt)\n cxt.mergeEvaluated(schCxt, codegen_1.Name);\n });\n });\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=oneOf.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst util_2 = require(\"../../compile/util\");\nconst def = {\n keyword: \"patternProperties\",\n type: \"object\",\n schemaType: \"object\",\n code(cxt) {\n const { gen, schema, data, parentSchema, it } = cxt;\n const { opts } = it;\n const patterns = code_1.schemaProperties(it, schema);\n // TODO mark properties matching patterns with always valid schemas as evaluated\n if (patterns.length === 0)\n return;\n const checkProperties = opts.strictSchema && !opts.allowMatchingProperties && parentSchema.properties;\n const valid = gen.name(\"valid\");\n if (it.props !== true && !(it.props instanceof codegen_1.Name)) {\n it.props = util_2.evaluatedPropsToName(gen, it.props);\n }\n const { props } = it;\n validatePatternProperties();\n function validatePatternProperties() {\n for (const pat of patterns) {\n if (checkProperties)\n checkMatchingProperties(pat);\n if (it.allErrors) {\n validateProperties(pat);\n }\n else {\n gen.var(valid, true); // TODO var\n validateProperties(pat);\n gen.if(valid);\n }\n }\n }\n function checkMatchingProperties(pat) {\n for (const prop in checkProperties) {\n if (new RegExp(pat).test(prop)) {\n util_1.checkStrictMode(it, `property ${prop} matches pattern ${pat} (use allowMatchingProperties)`);\n }\n }\n }\n function validateProperties(pat) {\n gen.forIn(\"key\", data, (key) => {\n gen.if(codegen_1._ `${code_1.usePattern(cxt, pat)}.test(${key})`, () => {\n cxt.subschema({\n keyword: \"patternProperties\",\n schemaProp: pat,\n dataProp: key,\n dataPropType: util_2.Type.Str,\n }, valid);\n if (it.opts.unevaluated && props !== true) {\n gen.assign(codegen_1._ `${props}[${key}]`, true);\n }\n else if (!it.allErrors) {\n // can short-circuit if `unevaluatedProperties` is not supported (opts.next === false)\n // or if all properties were evaluated (props === true)\n gen.if(codegen_1.not(valid), () => gen.break());\n }\n });\n });\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=patternProperties.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst items_1 = require(\"./items\");\nconst def = {\n keyword: \"prefixItems\",\n type: \"array\",\n schemaType: [\"array\"],\n before: \"uniqueItems\",\n code: (cxt) => items_1.validateTuple(cxt, \"items\"),\n};\nexports.default = def;\n//# sourceMappingURL=prefixItems.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst validate_1 = require(\"../../compile/validate\");\nconst code_1 = require(\"../code\");\nconst util_1 = require(\"../../compile/util\");\nconst additionalProperties_1 = require(\"./additionalProperties\");\nconst def = {\n keyword: \"properties\",\n type: \"object\",\n schemaType: \"object\",\n code(cxt) {\n const { gen, schema, parentSchema, data, it } = cxt;\n if (it.opts.removeAdditional === \"all\" && parentSchema.additionalProperties === undefined) {\n additionalProperties_1.default.code(new validate_1.KeywordCxt(it, additionalProperties_1.default, \"additionalProperties\"));\n }\n const allProps = code_1.allSchemaProperties(schema);\n for (const prop of allProps) {\n it.definedProperties.add(prop);\n }\n if (it.opts.unevaluated && allProps.length && it.props !== true) {\n it.props = util_1.mergeEvaluated.props(gen, util_1.toHash(allProps), it.props);\n }\n const properties = allProps.filter((p) => !util_1.alwaysValidSchema(it, schema[p]));\n if (properties.length === 0)\n return;\n const valid = gen.name(\"valid\");\n for (const prop of properties) {\n if (hasDefault(prop)) {\n applyPropertySchema(prop);\n }\n else {\n gen.if(code_1.propertyInData(gen, data, prop, it.opts.ownProperties));\n applyPropertySchema(prop);\n if (!it.allErrors)\n gen.else().var(valid, true);\n gen.endIf();\n }\n cxt.it.definedProperties.add(prop);\n cxt.ok(valid);\n }\n function hasDefault(prop) {\n return it.opts.useDefaults && !it.compositeRule && schema[prop].default !== undefined;\n }\n function applyPropertySchema(prop) {\n cxt.subschema({\n keyword: \"properties\",\n schemaProp: prop,\n dataProp: prop,\n }, valid);\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=properties.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: \"property name must be valid\",\n params: ({ params }) => codegen_1._ `{propertyName: ${params.propertyName}}`,\n};\nconst def = {\n keyword: \"propertyNames\",\n type: \"object\",\n schemaType: [\"object\", \"boolean\"],\n error,\n code(cxt) {\n const { gen, schema, data, it } = cxt;\n if (util_1.alwaysValidSchema(it, schema))\n return;\n const valid = gen.name(\"valid\");\n gen.forIn(\"key\", data, (key) => {\n cxt.setParams({ propertyName: key });\n cxt.subschema({\n keyword: \"propertyNames\",\n data: key,\n dataTypes: [\"string\"],\n propertyName: key,\n compositeRule: true,\n }, valid);\n gen.if(codegen_1.not(valid), () => {\n cxt.error(true);\n if (!it.allErrors)\n gen.break();\n });\n });\n cxt.ok(valid);\n },\n};\nexports.default = def;\n//# sourceMappingURL=propertyNames.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst util_1 = require(\"../../compile/util\");\nconst def = {\n keyword: [\"then\", \"else\"],\n schemaType: [\"object\", \"boolean\"],\n code({ keyword, parentSchema, it }) {\n if (parentSchema.if === undefined)\n util_1.checkStrictMode(it, `\"${keyword}\" without \"if\" is ignored`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=thenElse.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.validateUnion = exports.validateArray = exports.usePattern = exports.callValidateCode = exports.schemaProperties = exports.allSchemaProperties = exports.noPropertyInData = exports.propertyInData = exports.isOwnProperty = exports.hasPropFunc = exports.reportMissingProp = exports.checkMissingProp = exports.checkReportMissingProp = void 0;\nconst codegen_1 = require(\"../compile/codegen\");\nconst util_1 = require(\"../compile/util\");\nconst names_1 = require(\"../compile/names\");\nfunction checkReportMissingProp(cxt, prop) {\n const { gen, data, it } = cxt;\n gen.if(noPropertyInData(gen, data, prop, it.opts.ownProperties), () => {\n cxt.setParams({ missingProperty: codegen_1._ `${prop}` }, true);\n cxt.error();\n });\n}\nexports.checkReportMissingProp = checkReportMissingProp;\nfunction checkMissingProp({ gen, data, it: { opts } }, properties, missing) {\n return codegen_1.or(...properties.map((prop) => codegen_1.and(noPropertyInData(gen, data, prop, opts.ownProperties), codegen_1._ `${missing} = ${prop}`)));\n}\nexports.checkMissingProp = checkMissingProp;\nfunction reportMissingProp(cxt, missing) {\n cxt.setParams({ missingProperty: missing }, true);\n cxt.error();\n}\nexports.reportMissingProp = reportMissingProp;\nfunction hasPropFunc(gen) {\n return gen.scopeValue(\"func\", {\n // eslint-disable-next-line @typescript-eslint/unbound-method\n ref: Object.prototype.hasOwnProperty,\n code: codegen_1._ `Object.prototype.hasOwnProperty`,\n });\n}\nexports.hasPropFunc = hasPropFunc;\nfunction isOwnProperty(gen, data, property) {\n return codegen_1._ `${hasPropFunc(gen)}.call(${data}, ${property})`;\n}\nexports.isOwnProperty = isOwnProperty;\nfunction propertyInData(gen, data, property, ownProperties) {\n const cond = codegen_1._ `${data}${codegen_1.getProperty(property)} !== undefined`;\n return ownProperties ? codegen_1._ `${cond} && ${isOwnProperty(gen, data, property)}` : cond;\n}\nexports.propertyInData = propertyInData;\nfunction noPropertyInData(gen, data, property, ownProperties) {\n const cond = codegen_1._ `${data}${codegen_1.getProperty(property)} === undefined`;\n return ownProperties ? codegen_1.or(cond, codegen_1.not(isOwnProperty(gen, data, property))) : cond;\n}\nexports.noPropertyInData = noPropertyInData;\nfunction allSchemaProperties(schemaMap) {\n return schemaMap ? Object.keys(schemaMap).filter((p) => p !== \"__proto__\") : [];\n}\nexports.allSchemaProperties = allSchemaProperties;\nfunction schemaProperties(it, schemaMap) {\n return allSchemaProperties(schemaMap).filter((p) => !util_1.alwaysValidSchema(it, schemaMap[p]));\n}\nexports.schemaProperties = schemaProperties;\nfunction callValidateCode({ schemaCode, data, it: { gen, topSchemaRef, schemaPath, errorPath }, it }, func, context, passSchema) {\n const dataAndSchema = passSchema ? codegen_1._ `${schemaCode}, ${data}, ${topSchemaRef}${schemaPath}` : data;\n const valCxt = [\n [names_1.default.instancePath, codegen_1.strConcat(names_1.default.instancePath, errorPath)],\n [names_1.default.parentData, it.parentData],\n [names_1.default.parentDataProperty, it.parentDataProperty],\n [names_1.default.rootData, names_1.default.rootData],\n ];\n if (it.opts.dynamicRef)\n valCxt.push([names_1.default.dynamicAnchors, names_1.default.dynamicAnchors]);\n const args = codegen_1._ `${dataAndSchema}, ${gen.object(...valCxt)}`;\n return context !== codegen_1.nil ? codegen_1._ `${func}.call(${context}, ${args})` : codegen_1._ `${func}(${args})`;\n}\nexports.callValidateCode = callValidateCode;\nfunction usePattern({ gen, it: { opts } }, pattern) {\n const u = opts.unicodeRegExp ? \"u\" : \"\";\n return gen.scopeValue(\"pattern\", {\n key: pattern,\n ref: new RegExp(pattern, u),\n code: codegen_1._ `new RegExp(${pattern}, ${u})`,\n });\n}\nexports.usePattern = usePattern;\nfunction validateArray(cxt) {\n const { gen, data, keyword, it } = cxt;\n const valid = gen.name(\"valid\");\n if (it.allErrors) {\n const validArr = gen.let(\"valid\", true);\n validateItems(() => gen.assign(validArr, false));\n return validArr;\n }\n gen.var(valid, true);\n validateItems(() => gen.break());\n return valid;\n function validateItems(notValid) {\n const len = gen.const(\"len\", codegen_1._ `${data}.length`);\n gen.forRange(\"i\", 0, len, (i) => {\n cxt.subschema({\n keyword,\n dataProp: i,\n dataPropType: util_1.Type.Num,\n }, valid);\n gen.if(codegen_1.not(valid), notValid);\n });\n }\n}\nexports.validateArray = validateArray;\nfunction validateUnion(cxt) {\n const { gen, schema, keyword, it } = cxt;\n /* istanbul ignore if */\n if (!Array.isArray(schema))\n throw new Error(\"ajv implementation error\");\n const alwaysValid = schema.some((sch) => util_1.alwaysValidSchema(it, sch));\n if (alwaysValid && !it.opts.unevaluated)\n return;\n const valid = gen.let(\"valid\", false);\n const schValid = gen.name(\"_valid\");\n gen.block(() => schema.forEach((_sch, i) => {\n const schCxt = cxt.subschema({\n keyword,\n schemaProp: i,\n compositeRule: true,\n }, schValid);\n gen.assign(valid, codegen_1._ `${valid} || ${schValid}`);\n const merged = cxt.mergeValidEvaluated(schCxt, schValid);\n // can short-circuit if `unevaluatedProperties/Items` not supported (opts.unevaluated !== true)\n // or if all properties and items were evaluated (it.props === true && it.items === true)\n if (!merged)\n gen.if(codegen_1.not(valid));\n }));\n cxt.result(valid, () => cxt.reset(), () => cxt.error(true));\n}\nexports.validateUnion = validateUnion;\n//# sourceMappingURL=code.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst def = {\n keyword: \"id\",\n code() {\n throw new Error('NOT SUPPORTED: keyword \"id\", use \"$id\" for schema ID');\n },\n};\nexports.default = def;\n//# sourceMappingURL=id.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst id_1 = require(\"./id\");\nconst ref_1 = require(\"./ref\");\nconst core = [\n \"$schema\",\n \"$id\",\n \"$defs\",\n \"$vocabulary\",\n { keyword: \"$comment\" },\n \"definitions\",\n id_1.default,\n ref_1.default,\n];\nexports.default = core;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.callRef = exports.getValidate = void 0;\nconst ref_error_1 = require(\"../../compile/ref_error\");\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst names_1 = require(\"../../compile/names\");\nconst compile_1 = require(\"../../compile\");\nconst util_1 = require(\"../../compile/util\");\nconst def = {\n keyword: \"$ref\",\n schemaType: \"string\",\n code(cxt) {\n const { gen, schema: $ref, it } = cxt;\n const { baseId, schemaEnv: env, validateName, opts, self } = it;\n const { root } = env;\n if (($ref === \"#\" || $ref === \"#/\") && baseId === root.baseId)\n return callRootRef();\n const schOrEnv = compile_1.resolveRef.call(self, root, baseId, $ref);\n if (schOrEnv === undefined)\n throw new ref_error_1.default(baseId, $ref);\n if (schOrEnv instanceof compile_1.SchemaEnv)\n return callValidate(schOrEnv);\n return inlineRefSchema(schOrEnv);\n function callRootRef() {\n if (env === root)\n return callRef(cxt, validateName, env, env.$async);\n const rootName = gen.scopeValue(\"root\", { ref: root });\n return callRef(cxt, codegen_1._ `${rootName}.validate`, root, root.$async);\n }\n function callValidate(sch) {\n const v = getValidate(cxt, sch);\n callRef(cxt, v, sch, sch.$async);\n }\n function inlineRefSchema(sch) {\n const schName = gen.scopeValue(\"schema\", opts.code.source === true ? { ref: sch, code: codegen_1.stringify(sch) } : { ref: sch });\n const valid = gen.name(\"valid\");\n const schCxt = cxt.subschema({\n schema: sch,\n dataTypes: [],\n schemaPath: codegen_1.nil,\n topSchemaRef: schName,\n errSchemaPath: $ref,\n }, valid);\n cxt.mergeEvaluated(schCxt);\n cxt.ok(valid);\n }\n },\n};\nfunction getValidate(cxt, sch) {\n const { gen } = cxt;\n return sch.validate\n ? gen.scopeValue(\"validate\", { ref: sch.validate })\n : codegen_1._ `${gen.scopeValue(\"wrapper\", { ref: sch })}.validate`;\n}\nexports.getValidate = getValidate;\nfunction callRef(cxt, v, sch, $async) {\n const { gen, it } = cxt;\n const { allErrors, schemaEnv: env, opts } = it;\n const passCxt = opts.passContext ? names_1.default.this : codegen_1.nil;\n if ($async)\n callAsyncRef();\n else\n callSyncRef();\n function callAsyncRef() {\n if (!env.$async)\n throw new Error(\"async schema referenced by sync schema\");\n const valid = gen.let(\"valid\");\n gen.try(() => {\n gen.code(codegen_1._ `await ${code_1.callValidateCode(cxt, v, passCxt)}`);\n addEvaluatedFrom(v); // TODO will not work with async, it has to be returned with the result\n if (!allErrors)\n gen.assign(valid, true);\n }, (e) => {\n gen.if(codegen_1._ `!(${e} instanceof ${it.ValidationError})`, () => gen.throw(e));\n addErrorsFrom(e);\n if (!allErrors)\n gen.assign(valid, false);\n });\n cxt.ok(valid);\n }\n function callSyncRef() {\n cxt.result(code_1.callValidateCode(cxt, v, passCxt), () => addEvaluatedFrom(v), () => addErrorsFrom(v));\n }\n function addErrorsFrom(source) {\n const errs = codegen_1._ `${source}.errors`;\n gen.assign(names_1.default.vErrors, codegen_1._ `${names_1.default.vErrors} === null ? ${errs} : ${names_1.default.vErrors}.concat(${errs})`); // TODO tagged\n gen.assign(names_1.default.errors, codegen_1._ `${names_1.default.vErrors}.length`);\n }\n function addEvaluatedFrom(source) {\n var _a;\n if (!it.opts.unevaluated)\n return;\n const schEvaluated = (_a = sch === null || sch === void 0 ? void 0 : sch.validate) === null || _a === void 0 ? void 0 : _a.evaluated;\n // TODO refactor\n if (it.props !== true) {\n if (schEvaluated && !schEvaluated.dynamicProps) {\n if (schEvaluated.props !== undefined) {\n it.props = util_1.mergeEvaluated.props(gen, schEvaluated.props, it.props);\n }\n }\n else {\n const props = gen.var(\"props\", codegen_1._ `${source}.evaluated.props`);\n it.props = util_1.mergeEvaluated.props(gen, props, it.props, codegen_1.Name);\n }\n }\n if (it.items !== true) {\n if (schEvaluated && !schEvaluated.dynamicItems) {\n if (schEvaluated.items !== undefined) {\n it.items = util_1.mergeEvaluated.items(gen, schEvaluated.items, it.items);\n }\n }\n else {\n const items = gen.var(\"items\", codegen_1._ `${source}.evaluated.items`);\n it.items = util_1.mergeEvaluated.items(gen, items, it.items, codegen_1.Name);\n }\n }\n }\n}\nexports.callRef = callRef;\nexports.default = def;\n//# sourceMappingURL=ref.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst types_1 = require(\"../discriminator/types\");\nconst error = {\n message: ({ params: { discrError, tagName } }) => discrError === types_1.DiscrError.Tag\n ? `tag \"${tagName}\" must be string`\n : `value of tag \"${tagName}\" must be in oneOf`,\n params: ({ params: { discrError, tag, tagName } }) => codegen_1._ `{error: ${discrError}, tag: ${tagName}, tagValue: ${tag}}`,\n};\nconst def = {\n keyword: \"discriminator\",\n type: \"object\",\n schemaType: \"object\",\n error,\n code(cxt) {\n const { gen, data, schema, parentSchema, it } = cxt;\n const { oneOf } = parentSchema;\n if (!it.opts.discriminator) {\n throw new Error(\"discriminator: requires discriminator option\");\n }\n const tagName = schema.propertyName;\n if (typeof tagName != \"string\")\n throw new Error(\"discriminator: requires propertyName\");\n if (schema.mapping)\n throw new Error(\"discriminator: mapping is not supported\");\n if (!oneOf)\n throw new Error(\"discriminator: requires oneOf keyword\");\n const valid = gen.let(\"valid\", false);\n const tag = gen.const(\"tag\", codegen_1._ `${data}${codegen_1.getProperty(tagName)}`);\n gen.if(codegen_1._ `typeof ${tag} == \"string\"`, () => validateMapping(), () => cxt.error(false, { discrError: types_1.DiscrError.Tag, tag, tagName }));\n cxt.ok(valid);\n function validateMapping() {\n const mapping = getMapping();\n gen.if(false);\n for (const tagValue in mapping) {\n gen.elseIf(codegen_1._ `${tag} === ${tagValue}`);\n gen.assign(valid, applyTagSchema(mapping[tagValue]));\n }\n gen.else();\n cxt.error(false, { discrError: types_1.DiscrError.Mapping, tag, tagName });\n gen.endIf();\n }\n function applyTagSchema(schemaProp) {\n const _valid = gen.name(\"valid\");\n const schCxt = cxt.subschema({ keyword: \"oneOf\", schemaProp }, _valid);\n cxt.mergeEvaluated(schCxt, codegen_1.Name);\n return _valid;\n }\n function getMapping() {\n var _a;\n const oneOfMapping = {};\n const topRequired = hasRequired(parentSchema);\n let tagRequired = true;\n for (let i = 0; i < oneOf.length; i++) {\n const sch = oneOf[i];\n const propSch = (_a = sch.properties) === null || _a === void 0 ? void 0 : _a[tagName];\n if (typeof propSch != \"object\") {\n throw new Error(`discriminator: oneOf schemas must have \"properties/${tagName}\"`);\n }\n tagRequired = tagRequired && (topRequired || hasRequired(sch));\n addMappings(propSch, i);\n }\n if (!tagRequired)\n throw new Error(`discriminator: \"${tagName}\" must be required`);\n return oneOfMapping;\n function hasRequired({ required }) {\n return Array.isArray(required) && required.includes(tagName);\n }\n function addMappings(sch, i) {\n if (sch.const) {\n addMapping(sch.const, i);\n }\n else if (sch.enum) {\n for (const tagValue of sch.enum) {\n addMapping(tagValue, i);\n }\n }\n else {\n throw new Error(`discriminator: \"properties/${tagName}\" must have \"const\" or \"enum\"`);\n }\n }\n function addMapping(tagValue, i) {\n if (typeof tagValue != \"string\" || tagValue in oneOfMapping) {\n throw new Error(`discriminator: \"${tagName}\" values must be unique strings`);\n }\n oneOfMapping[tagValue] = i;\n }\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.DiscrError = void 0;\nvar DiscrError;\n(function (DiscrError) {\n DiscrError[\"Tag\"] = \"tag\";\n DiscrError[\"Mapping\"] = \"mapping\";\n})(DiscrError = exports.DiscrError || (exports.DiscrError = {}));\n//# sourceMappingURL=types.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst core_1 = require(\"./core\");\nconst validation_1 = require(\"./validation\");\nconst applicator_1 = require(\"./applicator\");\nconst format_1 = require(\"./format\");\nconst metadata_1 = require(\"./metadata\");\nconst draft7Vocabularies = [\n core_1.default,\n validation_1.default,\n applicator_1.default(),\n format_1.default,\n metadata_1.metadataVocabulary,\n metadata_1.contentVocabulary,\n];\nexports.default = draft7Vocabularies;\n//# sourceMappingURL=draft7.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message: ({ schemaCode }) => codegen_1.str `must match format \"${schemaCode}\"`,\n params: ({ schemaCode }) => codegen_1._ `{format: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"format\",\n type: [\"number\", \"string\"],\n schemaType: \"string\",\n $data: true,\n error,\n code(cxt, ruleType) {\n const { gen, data, $data, schema, schemaCode, it } = cxt;\n const { opts, errSchemaPath, schemaEnv, self } = it;\n if (!opts.validateFormats)\n return;\n if ($data)\n validate$DataFormat();\n else\n validateFormat();\n function validate$DataFormat() {\n const fmts = gen.scopeValue(\"formats\", {\n ref: self.formats,\n code: opts.code.formats,\n });\n const fDef = gen.const(\"fDef\", codegen_1._ `${fmts}[${schemaCode}]`);\n const fType = gen.let(\"fType\");\n const format = gen.let(\"format\");\n // TODO simplify\n gen.if(codegen_1._ `typeof ${fDef} == \"object\" && !(${fDef} instanceof RegExp)`, () => gen.assign(fType, codegen_1._ `${fDef}.type || \"string\"`).assign(format, codegen_1._ `${fDef}.validate`), () => gen.assign(fType, codegen_1._ `\"string\"`).assign(format, fDef));\n cxt.fail$data(codegen_1.or(unknownFmt(), invalidFmt()));\n function unknownFmt() {\n if (opts.strictSchema === false)\n return codegen_1.nil;\n return codegen_1._ `${schemaCode} && !${format}`;\n }\n function invalidFmt() {\n const callFormat = schemaEnv.$async\n ? codegen_1._ `(${fDef}.async ? await ${format}(${data}) : ${format}(${data}))`\n : codegen_1._ `${format}(${data})`;\n const validData = codegen_1._ `(typeof ${format} == \"function\" ? ${callFormat} : ${format}.test(${data}))`;\n return codegen_1._ `${format} && ${format} !== true && ${fType} === ${ruleType} && !${validData}`;\n }\n }\n function validateFormat() {\n const formatDef = self.formats[schema];\n if (!formatDef) {\n unknownFormat();\n return;\n }\n if (formatDef === true)\n return;\n const [fmtType, format, fmtRef] = getFormat(formatDef);\n if (fmtType === ruleType)\n cxt.pass(validCondition());\n function unknownFormat() {\n if (opts.strictSchema === false) {\n self.logger.warn(unknownMsg());\n return;\n }\n throw new Error(unknownMsg());\n function unknownMsg() {\n return `unknown format \"${schema}\" ignored in schema at path \"${errSchemaPath}\"`;\n }\n }\n function getFormat(fmtDef) {\n const code = fmtDef instanceof RegExp\n ? codegen_1.regexpCode(fmtDef)\n : opts.code.formats\n ? codegen_1._ `${opts.code.formats}${codegen_1.getProperty(schema)}`\n : undefined;\n const fmt = gen.scopeValue(\"formats\", { key: schema, ref: fmtDef, code });\n if (typeof fmtDef == \"object\" && !(fmtDef instanceof RegExp)) {\n return [fmtDef.type || \"string\", fmtDef.validate, codegen_1._ `${fmt}.validate`];\n }\n return [\"string\", fmtDef, fmt];\n }\n function validCondition() {\n if (typeof formatDef == \"object\" && !(formatDef instanceof RegExp) && formatDef.async) {\n if (!schemaEnv.$async)\n throw new Error(\"async format in sync schema\");\n return codegen_1._ `await ${fmtRef}(${data})`;\n }\n return typeof format == \"function\" ? codegen_1._ `${fmtRef}(${data})` : codegen_1._ `${fmtRef}.test(${data})`;\n }\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=format.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst format_1 = require(\"./format\");\nconst format = [format_1.default];\nexports.default = format;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nexports.contentVocabulary = exports.metadataVocabulary = void 0;\nexports.metadataVocabulary = [\n \"title\",\n \"description\",\n \"default\",\n \"deprecated\",\n \"readOnly\",\n \"writeOnly\",\n \"examples\",\n];\nexports.contentVocabulary = [\n \"contentMediaType\",\n \"contentEncoding\",\n \"contentSchema\",\n];\n//# sourceMappingURL=metadata.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst equal_1 = require(\"../../runtime/equal\");\nconst error = {\n message: \"must be equal to constant\",\n params: ({ schemaCode }) => codegen_1._ `{allowedValue: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"const\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, schemaCode } = cxt;\n // TODO optimize for scalar values in schema\n cxt.fail$data(codegen_1._ `!${util_1.useFunc(gen, equal_1.default)}(${data}, ${schemaCode})`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=const.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst equal_1 = require(\"../../runtime/equal\");\nconst error = {\n message: \"must be equal to one of the allowed values\",\n params: ({ schemaCode }) => codegen_1._ `{allowedValues: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"enum\",\n schemaType: \"array\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, $data, schema, schemaCode, it } = cxt;\n if (!$data && schema.length === 0)\n throw new Error(\"enum must have non-empty array\");\n const useLoop = schema.length >= it.opts.loopEnum;\n const eql = util_1.useFunc(gen, equal_1.default);\n let valid;\n if (useLoop || $data) {\n valid = gen.let(\"valid\");\n cxt.block$data(valid, loopEnum);\n }\n else {\n /* istanbul ignore if */\n if (!Array.isArray(schema))\n throw new Error(\"ajv implementation error\");\n const vSchema = gen.const(\"vSchema\", schemaCode);\n valid = codegen_1.or(...schema.map((_x, i) => equalCode(vSchema, i)));\n }\n cxt.pass(valid);\n function loopEnum() {\n gen.assign(valid, false);\n gen.forOf(\"v\", schemaCode, (v) => gen.if(codegen_1._ `${eql}(${data}, ${v})`, () => gen.assign(valid, true).break()));\n }\n function equalCode(vSchema, i) {\n const sch = schema[i];\n return sch && typeof sch === \"object\"\n ? codegen_1._ `${eql}(${data}, ${vSchema}[${i}])`\n : codegen_1._ `${data} === ${sch}`;\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=enum.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst limitNumber_1 = require(\"./limitNumber\");\nconst multipleOf_1 = require(\"./multipleOf\");\nconst limitLength_1 = require(\"./limitLength\");\nconst pattern_1 = require(\"./pattern\");\nconst limitProperties_1 = require(\"./limitProperties\");\nconst required_1 = require(\"./required\");\nconst limitItems_1 = require(\"./limitItems\");\nconst uniqueItems_1 = require(\"./uniqueItems\");\nconst const_1 = require(\"./const\");\nconst enum_1 = require(\"./enum\");\nconst validation = [\n // number\n limitNumber_1.default,\n multipleOf_1.default,\n // string\n limitLength_1.default,\n pattern_1.default,\n // object\n limitProperties_1.default,\n required_1.default,\n // array\n limitItems_1.default,\n uniqueItems_1.default,\n // any\n { keyword: \"type\", schemaType: [\"string\", \"array\"] },\n { keyword: \"nullable\", schemaType: \"boolean\" },\n const_1.default,\n enum_1.default,\n];\nexports.default = validation;\n//# sourceMappingURL=index.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message({ keyword, schemaCode }) {\n const comp = keyword === \"maxItems\" ? \"more\" : \"fewer\";\n return codegen_1.str `must NOT have ${comp} than ${schemaCode} items`;\n },\n params: ({ schemaCode }) => codegen_1._ `{limit: ${schemaCode}}`,\n};\nconst def = {\n keyword: [\"maxItems\", \"minItems\"],\n type: \"array\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { keyword, data, schemaCode } = cxt;\n const op = keyword === \"maxItems\" ? codegen_1.operators.GT : codegen_1.operators.LT;\n cxt.fail$data(codegen_1._ `${data}.length ${op} ${schemaCode}`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=limitItems.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst ucs2length_1 = require(\"../../runtime/ucs2length\");\nconst error = {\n message({ keyword, schemaCode }) {\n const comp = keyword === \"maxLength\" ? \"more\" : \"fewer\";\n return codegen_1.str `must NOT have ${comp} than ${schemaCode} characters`;\n },\n params: ({ schemaCode }) => codegen_1._ `{limit: ${schemaCode}}`,\n};\nconst def = {\n keyword: [\"maxLength\", \"minLength\"],\n type: \"string\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { keyword, data, schemaCode, it } = cxt;\n const op = keyword === \"maxLength\" ? codegen_1.operators.GT : codegen_1.operators.LT;\n const len = it.opts.unicode === false ? codegen_1._ `${data}.length` : codegen_1._ `${util_1.useFunc(cxt.gen, ucs2length_1.default)}(${data})`;\n cxt.fail$data(codegen_1._ `${len} ${op} ${schemaCode}`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=limitLength.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst ops = codegen_1.operators;\nconst KWDs = {\n maximum: { okStr: \"<=\", ok: ops.LTE, fail: ops.GT },\n minimum: { okStr: \">=\", ok: ops.GTE, fail: ops.LT },\n exclusiveMaximum: { okStr: \"<\", ok: ops.LT, fail: ops.GTE },\n exclusiveMinimum: { okStr: \">\", ok: ops.GT, fail: ops.LTE },\n};\nconst error = {\n message: ({ keyword, schemaCode }) => codegen_1.str `must be ${KWDs[keyword].okStr} ${schemaCode}`,\n params: ({ keyword, schemaCode }) => codegen_1._ `{comparison: ${KWDs[keyword].okStr}, limit: ${schemaCode}}`,\n};\nconst def = {\n keyword: Object.keys(KWDs),\n type: \"number\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { keyword, data, schemaCode } = cxt;\n cxt.fail$data(codegen_1._ `${data} ${KWDs[keyword].fail} ${schemaCode} || isNaN(${data})`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=limitNumber.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message({ keyword, schemaCode }) {\n const comp = keyword === \"maxProperties\" ? \"more\" : \"fewer\";\n return codegen_1.str `must NOT have ${comp} than ${schemaCode} items`;\n },\n params: ({ schemaCode }) => codegen_1._ `{limit: ${schemaCode}}`,\n};\nconst def = {\n keyword: [\"maxProperties\", \"minProperties\"],\n type: \"object\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { keyword, data, schemaCode } = cxt;\n const op = keyword === \"maxProperties\" ? codegen_1.operators.GT : codegen_1.operators.LT;\n cxt.fail$data(codegen_1._ `Object.keys(${data}).length ${op} ${schemaCode}`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=limitProperties.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message: ({ schemaCode }) => codegen_1.str `must be multiple of ${schemaCode}`,\n params: ({ schemaCode }) => codegen_1._ `{multipleOf: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"multipleOf\",\n type: \"number\",\n schemaType: \"number\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, schemaCode, it } = cxt;\n // const bdt = bad$DataType(schemaCode, def.schemaType, $data)\n const prec = it.opts.multipleOfPrecision;\n const res = gen.let(\"res\");\n const invalid = prec\n ? codegen_1._ `Math.abs(Math.round(${res}) - ${res}) > 1e-${prec}`\n : codegen_1._ `${res} !== parseInt(${res})`;\n cxt.fail$data(codegen_1._ `(${schemaCode} === 0 || (${res} = ${data}/${schemaCode}, ${invalid}))`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=multipleOf.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst error = {\n message: ({ schemaCode }) => codegen_1.str `must match pattern \"${schemaCode}\"`,\n params: ({ schemaCode }) => codegen_1._ `{pattern: ${schemaCode}}`,\n};\nconst def = {\n keyword: \"pattern\",\n type: \"string\",\n schemaType: \"string\",\n $data: true,\n error,\n code(cxt) {\n const { data, $data, schema, schemaCode, it } = cxt;\n // TODO regexp should be wrapped in try/catchs\n const u = it.opts.unicodeRegExp ? \"u\" : \"\";\n const regExp = $data ? codegen_1._ `(new RegExp(${schemaCode}, ${u}))` : code_1.usePattern(cxt, schema);\n cxt.fail$data(codegen_1._ `!${regExp}.test(${data})`);\n },\n};\nexports.default = def;\n//# sourceMappingURL=pattern.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst code_1 = require(\"../code\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst error = {\n message: ({ params: { missingProperty } }) => codegen_1.str `must have required property '${missingProperty}'`,\n params: ({ params: { missingProperty } }) => codegen_1._ `{missingProperty: ${missingProperty}}`,\n};\nconst def = {\n keyword: \"required\",\n type: \"object\",\n schemaType: \"array\",\n $data: true,\n error,\n code(cxt) {\n const { gen, schema, schemaCode, data, $data, it } = cxt;\n const { opts } = it;\n if (!$data && schema.length === 0)\n return;\n const useLoop = schema.length >= opts.loopRequired;\n if (it.allErrors)\n allErrorsMode();\n else\n exitOnErrorMode();\n if (opts.strictRequired) {\n const props = cxt.parentSchema.properties;\n const { definedProperties } = cxt.it;\n for (const requiredKey of schema) {\n if ((props === null || props === void 0 ? void 0 : props[requiredKey]) === undefined && !definedProperties.has(requiredKey)) {\n const schemaPath = it.schemaEnv.baseId + it.errSchemaPath;\n const msg = `required property \"${requiredKey}\" is not defined at \"${schemaPath}\" (strictRequired)`;\n util_1.checkStrictMode(it, msg, it.opts.strictRequired);\n }\n }\n }\n function allErrorsMode() {\n if (useLoop || $data) {\n cxt.block$data(codegen_1.nil, loopAllRequired);\n }\n else {\n for (const prop of schema) {\n code_1.checkReportMissingProp(cxt, prop);\n }\n }\n }\n function exitOnErrorMode() {\n const missing = gen.let(\"missing\");\n if (useLoop || $data) {\n const valid = gen.let(\"valid\", true);\n cxt.block$data(valid, () => loopUntilMissing(missing, valid));\n cxt.ok(valid);\n }\n else {\n gen.if(code_1.checkMissingProp(cxt, schema, missing));\n code_1.reportMissingProp(cxt, missing);\n gen.else();\n }\n }\n function loopAllRequired() {\n gen.forOf(\"prop\", schemaCode, (prop) => {\n cxt.setParams({ missingProperty: prop });\n gen.if(code_1.noPropertyInData(gen, data, prop, opts.ownProperties), () => cxt.error());\n });\n }\n function loopUntilMissing(missing, valid) {\n cxt.setParams({ missingProperty: missing });\n gen.forOf(missing, schemaCode, () => {\n gen.assign(valid, code_1.propertyInData(gen, data, missing, opts.ownProperties));\n gen.if(codegen_1.not(valid), () => {\n cxt.error();\n gen.break();\n });\n }, codegen_1.nil);\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=required.js.map","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nconst dataType_1 = require(\"../../compile/validate/dataType\");\nconst codegen_1 = require(\"../../compile/codegen\");\nconst util_1 = require(\"../../compile/util\");\nconst equal_1 = require(\"../../runtime/equal\");\nconst error = {\n message: ({ params: { i, j } }) => codegen_1.str `must NOT have duplicate items (items ## ${j} and ${i} are identical)`,\n params: ({ params: { i, j } }) => codegen_1._ `{i: ${i}, j: ${j}}`,\n};\nconst def = {\n keyword: \"uniqueItems\",\n type: \"array\",\n schemaType: \"boolean\",\n $data: true,\n error,\n code(cxt) {\n const { gen, data, $data, schema, parentSchema, schemaCode, it } = cxt;\n if (!$data && !schema)\n return;\n const valid = gen.let(\"valid\");\n const itemTypes = parentSchema.items ? dataType_1.getSchemaTypes(parentSchema.items) : [];\n cxt.block$data(valid, validateUniqueItems, codegen_1._ `${schemaCode} === false`);\n cxt.ok(valid);\n function validateUniqueItems() {\n const i = gen.let(\"i\", codegen_1._ `${data}.length`);\n const j = gen.let(\"j\");\n cxt.setParams({ i, j });\n gen.assign(valid, true);\n gen.if(codegen_1._ `${i} > 1`, () => (canOptimize() ? loopN : loopN2)(i, j));\n }\n function canOptimize() {\n return itemTypes.length > 0 && !itemTypes.some((t) => t === \"object\" || t === \"array\");\n }\n function loopN(i, j) {\n const item = gen.name(\"item\");\n const wrongType = dataType_1.checkDataTypes(itemTypes, item, it.opts.strictNumbers, dataType_1.DataType.Wrong);\n const indices = gen.const(\"indices\", codegen_1._ `{}`);\n gen.for(codegen_1._ `;${i}--;`, () => {\n gen.let(item, codegen_1._ `${data}[${i}]`);\n gen.if(wrongType, codegen_1._ `continue`);\n if (itemTypes.length > 1)\n gen.if(codegen_1._ `typeof ${item} == \"string\"`, codegen_1._ `${item} += \"_\"`);\n gen\n .if(codegen_1._ `typeof ${indices}[${item}] == \"number\"`, () => {\n gen.assign(j, codegen_1._ `${indices}[${item}]`);\n cxt.error();\n gen.assign(valid, false).break();\n })\n .code(codegen_1._ `${indices}[${item}] = ${i}`);\n });\n }\n function loopN2(i, j) {\n const eql = util_1.useFunc(gen, equal_1.default);\n const outer = gen.name(\"outer\");\n gen.label(outer).for(codegen_1._ `;${i}--;`, () => gen.for(codegen_1._ `${j} = ${i}; ${j}--;`, () => gen.if(codegen_1._ `${eql}(${data}[${i}], ${data}[${j}])`, () => {\n cxt.error();\n gen.assign(valid, false).break(outer);\n })));\n }\n },\n};\nexports.default = def;\n//# sourceMappingURL=uniqueItems.js.map","'use strict';\n\n// do not edit .js files directly - edit src/index.jst\n\n\n\nmodule.exports = function equal(a, b) {\n if (a === b) return true;\n\n if (a && b && typeof a == 'object' && typeof b == 'object') {\n if (a.constructor !== b.constructor) return false;\n\n var length, i, keys;\n if (Array.isArray(a)) {\n length = a.length;\n if (length != b.length) return false;\n for (i = length; i-- !== 0;)\n if (!equal(a[i], b[i])) return false;\n return true;\n }\n\n\n\n if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;\n if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();\n if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();\n\n keys = Object.keys(a);\n length = keys.length;\n if (length !== Object.keys(b).length) return false;\n\n for (i = length; i-- !== 0;)\n if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;\n\n for (i = length; i-- !== 0;) {\n var key = keys[i];\n\n if (!equal(a[key], b[key])) return false;\n }\n\n return true;\n }\n\n // true if both NaN, false otherwise\n return a!==a && b!==b;\n};\n","'use strict';\n\n\nvar loader = require('./lib/loader');\nvar dumper = require('./lib/dumper');\n\n\nfunction renamed(from, to) {\n return function () {\n throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' +\n 'Use yaml.' + to + ' instead, which is now safe by default.');\n };\n}\n\n\nmodule.exports.Type = require('./lib/type');\nmodule.exports.Schema = require('./lib/schema');\nmodule.exports.FAILSAFE_SCHEMA = require('./lib/schema/failsafe');\nmodule.exports.JSON_SCHEMA = require('./lib/schema/json');\nmodule.exports.CORE_SCHEMA = require('./lib/schema/core');\nmodule.exports.DEFAULT_SCHEMA = require('./lib/schema/default');\nmodule.exports.load = loader.load;\nmodule.exports.loadAll = loader.loadAll;\nmodule.exports.dump = dumper.dump;\nmodule.exports.YAMLException = require('./lib/exception');\n\n// Re-export all types in case user wants to create custom schema\nmodule.exports.types = {\n binary: require('./lib/type/binary'),\n float: require('./lib/type/float'),\n map: require('./lib/type/map'),\n null: require('./lib/type/null'),\n pairs: require('./lib/type/pairs'),\n set: require('./lib/type/set'),\n timestamp: require('./lib/type/timestamp'),\n bool: require('./lib/type/bool'),\n int: require('./lib/type/int'),\n merge: require('./lib/type/merge'),\n omap: require('./lib/type/omap'),\n seq: require('./lib/type/seq'),\n str: require('./lib/type/str')\n};\n\n// Removed functions from JS-YAML 3.0.x\nmodule.exports.safeLoad = renamed('safeLoad', 'load');\nmodule.exports.safeLoadAll = renamed('safeLoadAll', 'loadAll');\nmodule.exports.safeDump = renamed('safeDump', 'dump');\n","'use strict';\n\n\nfunction isNothing(subject) {\n return (typeof subject === 'undefined') || (subject === null);\n}\n\n\nfunction isObject(subject) {\n return (typeof subject === 'object') && (subject !== null);\n}\n\n\nfunction toArray(sequence) {\n if (Array.isArray(sequence)) return sequence;\n else if (isNothing(sequence)) return [];\n\n return [ sequence ];\n}\n\n\nfunction extend(target, source) {\n var index, length, key, sourceKeys;\n\n if (source) {\n sourceKeys = Object.keys(source);\n\n for (index = 0, length = sourceKeys.length; index < length; index += 1) {\n key = sourceKeys[index];\n target[key] = source[key];\n }\n }\n\n return target;\n}\n\n\nfunction repeat(string, count) {\n var result = '', cycle;\n\n for (cycle = 0; cycle < count; cycle += 1) {\n result += string;\n }\n\n return result;\n}\n\n\nfunction isNegativeZero(number) {\n return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);\n}\n\n\nmodule.exports.isNothing = isNothing;\nmodule.exports.isObject = isObject;\nmodule.exports.toArray = toArray;\nmodule.exports.repeat = repeat;\nmodule.exports.isNegativeZero = isNegativeZero;\nmodule.exports.extend = extend;\n","'use strict';\n\n/*eslint-disable no-use-before-define*/\n\nvar common = require('./common');\nvar YAMLException = require('./exception');\nvar DEFAULT_SCHEMA = require('./schema/default');\n\nvar _toString = Object.prototype.toString;\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nvar CHAR_BOM = 0xFEFF;\nvar CHAR_TAB = 0x09; /* Tab */\nvar CHAR_LINE_FEED = 0x0A; /* LF */\nvar CHAR_CARRIAGE_RETURN = 0x0D; /* CR */\nvar CHAR_SPACE = 0x20; /* Space */\nvar CHAR_EXCLAMATION = 0x21; /* ! */\nvar CHAR_DOUBLE_QUOTE = 0x22; /* \" */\nvar CHAR_SHARP = 0x23; /* # */\nvar CHAR_PERCENT = 0x25; /* % */\nvar CHAR_AMPERSAND = 0x26; /* & */\nvar CHAR_SINGLE_QUOTE = 0x27; /* ' */\nvar CHAR_ASTERISK = 0x2A; /* * */\nvar CHAR_COMMA = 0x2C; /* , */\nvar CHAR_MINUS = 0x2D; /* - */\nvar CHAR_COLON = 0x3A; /* : */\nvar CHAR_EQUALS = 0x3D; /* = */\nvar CHAR_GREATER_THAN = 0x3E; /* > */\nvar CHAR_QUESTION = 0x3F; /* ? */\nvar CHAR_COMMERCIAL_AT = 0x40; /* @ */\nvar CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */\nvar CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */\nvar CHAR_GRAVE_ACCENT = 0x60; /* ` */\nvar CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */\nvar CHAR_VERTICAL_LINE = 0x7C; /* | */\nvar CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */\n\nvar ESCAPE_SEQUENCES = {};\n\nESCAPE_SEQUENCES[0x00] = '\\\\0';\nESCAPE_SEQUENCES[0x07] = '\\\\a';\nESCAPE_SEQUENCES[0x08] = '\\\\b';\nESCAPE_SEQUENCES[0x09] = '\\\\t';\nESCAPE_SEQUENCES[0x0A] = '\\\\n';\nESCAPE_SEQUENCES[0x0B] = '\\\\v';\nESCAPE_SEQUENCES[0x0C] = '\\\\f';\nESCAPE_SEQUENCES[0x0D] = '\\\\r';\nESCAPE_SEQUENCES[0x1B] = '\\\\e';\nESCAPE_SEQUENCES[0x22] = '\\\\\"';\nESCAPE_SEQUENCES[0x5C] = '\\\\\\\\';\nESCAPE_SEQUENCES[0x85] = '\\\\N';\nESCAPE_SEQUENCES[0xA0] = '\\\\_';\nESCAPE_SEQUENCES[0x2028] = '\\\\L';\nESCAPE_SEQUENCES[0x2029] = '\\\\P';\n\nvar DEPRECATED_BOOLEANS_SYNTAX = [\n 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON',\n 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'\n];\n\nvar DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\\.[0-9_]*)?$/;\n\nfunction compileStyleMap(schema, map) {\n var result, keys, index, length, tag, style, type;\n\n if (map === null) return {};\n\n result = {};\n keys = Object.keys(map);\n\n for (index = 0, length = keys.length; index < length; index += 1) {\n tag = keys[index];\n style = String(map[tag]);\n\n if (tag.slice(0, 2) === '!!') {\n tag = 'tag:yaml.org,2002:' + tag.slice(2);\n }\n type = schema.compiledTypeMap['fallback'][tag];\n\n if (type && _hasOwnProperty.call(type.styleAliases, style)) {\n style = type.styleAliases[style];\n }\n\n result[tag] = style;\n }\n\n return result;\n}\n\nfunction encodeHex(character) {\n var string, handle, length;\n\n string = character.toString(16).toUpperCase();\n\n if (character <= 0xFF) {\n handle = 'x';\n length = 2;\n } else if (character <= 0xFFFF) {\n handle = 'u';\n length = 4;\n } else if (character <= 0xFFFFFFFF) {\n handle = 'U';\n length = 8;\n } else {\n throw new YAMLException('code point within a string may not be greater than 0xFFFFFFFF');\n }\n\n return '\\\\' + handle + common.repeat('0', length - string.length) + string;\n}\n\n\nvar QUOTING_TYPE_SINGLE = 1,\n QUOTING_TYPE_DOUBLE = 2;\n\nfunction State(options) {\n this.schema = options['schema'] || DEFAULT_SCHEMA;\n this.indent = Math.max(1, (options['indent'] || 2));\n this.noArrayIndent = options['noArrayIndent'] || false;\n this.skipInvalid = options['skipInvalid'] || false;\n this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']);\n this.styleMap = compileStyleMap(this.schema, options['styles'] || null);\n this.sortKeys = options['sortKeys'] || false;\n this.lineWidth = options['lineWidth'] || 80;\n this.noRefs = options['noRefs'] || false;\n this.noCompatMode = options['noCompatMode'] || false;\n this.condenseFlow = options['condenseFlow'] || false;\n this.quotingType = options['quotingType'] === '\"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE;\n this.forceQuotes = options['forceQuotes'] || false;\n this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null;\n\n this.implicitTypes = this.schema.compiledImplicit;\n this.explicitTypes = this.schema.compiledExplicit;\n\n this.tag = null;\n this.result = '';\n\n this.duplicates = [];\n this.usedDuplicates = null;\n}\n\n// Indents every line in a string. Empty lines (\\n only) are not indented.\nfunction indentString(string, spaces) {\n var ind = common.repeat(' ', spaces),\n position = 0,\n next = -1,\n result = '',\n line,\n length = string.length;\n\n while (position < length) {\n next = string.indexOf('\\n', position);\n if (next === -1) {\n line = string.slice(position);\n position = length;\n } else {\n line = string.slice(position, next + 1);\n position = next + 1;\n }\n\n if (line.length && line !== '\\n') result += ind;\n\n result += line;\n }\n\n return result;\n}\n\nfunction generateNextLine(state, level) {\n return '\\n' + common.repeat(' ', state.indent * level);\n}\n\nfunction testImplicitResolving(state, str) {\n var index, length, type;\n\n for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {\n type = state.implicitTypes[index];\n\n if (type.resolve(str)) {\n return true;\n }\n }\n\n return false;\n}\n\n// [33] s-white ::= s-space | s-tab\nfunction isWhitespace(c) {\n return c === CHAR_SPACE || c === CHAR_TAB;\n}\n\n// Returns true if the character can be printed without escaping.\n// From YAML 1.2: \"any allowed characters known to be non-printable\n// should also be escaped. [However,] This isn’t mandatory\"\n// Derived from nb-char - \\t - #x85 - #xA0 - #x2028 - #x2029.\nfunction isPrintable(c) {\n return (0x00020 <= c && c <= 0x00007E)\n || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029)\n || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM)\n || (0x10000 <= c && c <= 0x10FFFF);\n}\n\n// [34] ns-char ::= nb-char - s-white\n// [27] nb-char ::= c-printable - b-char - c-byte-order-mark\n// [26] b-char ::= b-line-feed | b-carriage-return\n// Including s-white (for some reason, examples doesn't match specs in this aspect)\n// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark\nfunction isNsCharOrWhitespace(c) {\n return isPrintable(c)\n && c !== CHAR_BOM\n // - b-char\n && c !== CHAR_CARRIAGE_RETURN\n && c !== CHAR_LINE_FEED;\n}\n\n// [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out\n// c = flow-in ⇒ ns-plain-safe-in\n// c = block-key ⇒ ns-plain-safe-out\n// c = flow-key ⇒ ns-plain-safe-in\n// [128] ns-plain-safe-out ::= ns-char\n// [129] ns-plain-safe-in ::= ns-char - c-flow-indicator\n// [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” )\n// | ( /* An ns-char preceding */ “#” )\n// | ( “:” /* Followed by an ns-plain-safe(c) */ )\nfunction isPlainSafe(c, prev, inblock) {\n var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c);\n var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c);\n return (\n // ns-plain-safe\n inblock ? // c = flow-in\n cIsNsCharOrWhitespace\n : cIsNsCharOrWhitespace\n // - c-flow-indicator\n && c !== CHAR_COMMA\n && c !== CHAR_LEFT_SQUARE_BRACKET\n && c !== CHAR_RIGHT_SQUARE_BRACKET\n && c !== CHAR_LEFT_CURLY_BRACKET\n && c !== CHAR_RIGHT_CURLY_BRACKET\n )\n // ns-plain-char\n && c !== CHAR_SHARP // false on '#'\n && !(prev === CHAR_COLON && !cIsNsChar) // false on ': '\n || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#'\n || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]'\n}\n\n// Simplified test for values allowed as the first character in plain style.\nfunction isPlainSafeFirst(c) {\n // Uses a subset of ns-char - c-indicator\n // where ns-char = nb-char - s-white.\n // No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part\n return isPrintable(c) && c !== CHAR_BOM\n && !isWhitespace(c) // - s-white\n // - (c-indicator ::=\n // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}”\n && c !== CHAR_MINUS\n && c !== CHAR_QUESTION\n && c !== CHAR_COLON\n && c !== CHAR_COMMA\n && c !== CHAR_LEFT_SQUARE_BRACKET\n && c !== CHAR_RIGHT_SQUARE_BRACKET\n && c !== CHAR_LEFT_CURLY_BRACKET\n && c !== CHAR_RIGHT_CURLY_BRACKET\n // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “\"”\n && c !== CHAR_SHARP\n && c !== CHAR_AMPERSAND\n && c !== CHAR_ASTERISK\n && c !== CHAR_EXCLAMATION\n && c !== CHAR_VERTICAL_LINE\n && c !== CHAR_EQUALS\n && c !== CHAR_GREATER_THAN\n && c !== CHAR_SINGLE_QUOTE\n && c !== CHAR_DOUBLE_QUOTE\n // | “%” | “@” | “`”)\n && c !== CHAR_PERCENT\n && c !== CHAR_COMMERCIAL_AT\n && c !== CHAR_GRAVE_ACCENT;\n}\n\n// Simplified test for values allowed as the last character in plain style.\nfunction isPlainSafeLast(c) {\n // just not whitespace or colon, it will be checked to be plain character later\n return !isWhitespace(c) && c !== CHAR_COLON;\n}\n\n// Same as 'string'.codePointAt(pos), but works in older browsers.\nfunction codePointAt(string, pos) {\n var first = string.charCodeAt(pos), second;\n if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) {\n second = string.charCodeAt(pos + 1);\n if (second >= 0xDC00 && second <= 0xDFFF) {\n // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;\n }\n }\n return first;\n}\n\n// Determines whether block indentation indicator is required.\nfunction needIndentIndicator(string) {\n var leadingSpaceRe = /^\\n* /;\n return leadingSpaceRe.test(string);\n}\n\nvar STYLE_PLAIN = 1,\n STYLE_SINGLE = 2,\n STYLE_LITERAL = 3,\n STYLE_FOLDED = 4,\n STYLE_DOUBLE = 5;\n\n// Determines which scalar styles are possible and returns the preferred style.\n// lineWidth = -1 => no limit.\n// Pre-conditions: str.length > 0.\n// Post-conditions:\n// STYLE_PLAIN or STYLE_SINGLE => no \\n are in the string.\n// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).\n// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).\nfunction chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth,\n testAmbiguousType, quotingType, forceQuotes, inblock) {\n\n var i;\n var char = 0;\n var prevChar = null;\n var hasLineBreak = false;\n var hasFoldableLine = false; // only checked if shouldTrackWidth\n var shouldTrackWidth = lineWidth !== -1;\n var previousLineBreak = -1; // count the first line correctly\n var plain = isPlainSafeFirst(codePointAt(string, 0))\n && isPlainSafeLast(codePointAt(string, string.length - 1));\n\n if (singleLineOnly || forceQuotes) {\n // Case: no block styles.\n // Check for disallowed characters to rule out plain and single.\n for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n char = codePointAt(string, i);\n if (!isPrintable(char)) {\n return STYLE_DOUBLE;\n }\n plain = plain && isPlainSafe(char, prevChar, inblock);\n prevChar = char;\n }\n } else {\n // Case: block styles permitted.\n for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n char = codePointAt(string, i);\n if (char === CHAR_LINE_FEED) {\n hasLineBreak = true;\n // Check if any line can be folded.\n if (shouldTrackWidth) {\n hasFoldableLine = hasFoldableLine ||\n // Foldable line = too long, and not more-indented.\n (i - previousLineBreak - 1 > lineWidth &&\n string[previousLineBreak + 1] !== ' ');\n previousLineBreak = i;\n }\n } else if (!isPrintable(char)) {\n return STYLE_DOUBLE;\n }\n plain = plain && isPlainSafe(char, prevChar, inblock);\n prevChar = char;\n }\n // in case the end is missing a \\n\n hasFoldableLine = hasFoldableLine || (shouldTrackWidth &&\n (i - previousLineBreak - 1 > lineWidth &&\n string[previousLineBreak + 1] !== ' '));\n }\n // Although every style can represent \\n without escaping, prefer block styles\n // for multiline, since they're more readable and they don't add empty lines.\n // Also prefer folding a super-long line.\n if (!hasLineBreak && !hasFoldableLine) {\n // Strings interpretable as another type have to be quoted;\n // e.g. the string 'true' vs. the boolean true.\n if (plain && !forceQuotes && !testAmbiguousType(string)) {\n return STYLE_PLAIN;\n }\n return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;\n }\n // Edge case: block indentation indicator can only have one digit.\n if (indentPerLevel > 9 && needIndentIndicator(string)) {\n return STYLE_DOUBLE;\n }\n // At this point we know block styles are valid.\n // Prefer literal style unless we want to fold.\n if (!forceQuotes) {\n return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;\n }\n return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;\n}\n\n// Note: line breaking/folding is implemented for only the folded style.\n// NB. We drop the last trailing newline (if any) of a returned block scalar\n// since the dumper adds its own newline. This always works:\n// • No ending newline => unaffected; already using strip \"-\" chomping.\n// • Ending newline => removed then restored.\n// Importantly, this keeps the \"+\" chomp indicator from gaining an extra line.\nfunction writeScalar(state, string, level, iskey, inblock) {\n state.dump = (function () {\n if (string.length === 0) {\n return state.quotingType === QUOTING_TYPE_DOUBLE ? '\"\"' : \"''\";\n }\n if (!state.noCompatMode) {\n if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) {\n return state.quotingType === QUOTING_TYPE_DOUBLE ? ('\"' + string + '\"') : (\"'\" + string + \"'\");\n }\n }\n\n var indent = state.indent * Math.max(1, level); // no 0-indent scalars\n // As indentation gets deeper, let the width decrease monotonically\n // to the lower bound min(state.lineWidth, 40).\n // Note that this implies\n // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound.\n // state.lineWidth > 40 + state.indent: width decreases until the lower bound.\n // This behaves better than a constant minimum width which disallows narrower options,\n // or an indent threshold which causes the width to suddenly increase.\n var lineWidth = state.lineWidth === -1\n ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent);\n\n // Without knowing if keys are implicit/explicit, assume implicit for safety.\n var singleLineOnly = iskey\n // No block styles in flow mode.\n || (state.flowLevel > -1 && level >= state.flowLevel);\n function testAmbiguity(string) {\n return testImplicitResolving(state, string);\n }\n\n switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth,\n testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) {\n\n case STYLE_PLAIN:\n return string;\n case STYLE_SINGLE:\n return \"'\" + string.replace(/'/g, \"''\") + \"'\";\n case STYLE_LITERAL:\n return '|' + blockHeader(string, state.indent)\n + dropEndingNewline(indentString(string, indent));\n case STYLE_FOLDED:\n return '>' + blockHeader(string, state.indent)\n + dropEndingNewline(indentString(foldString(string, lineWidth), indent));\n case STYLE_DOUBLE:\n return '\"' + escapeString(string, lineWidth) + '\"';\n default:\n throw new YAMLException('impossible error: invalid scalar style');\n }\n }());\n}\n\n// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.\nfunction blockHeader(string, indentPerLevel) {\n var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : '';\n\n // note the special case: the string '\\n' counts as a \"trailing\" empty line.\n var clip = string[string.length - 1] === '\\n';\n var keep = clip && (string[string.length - 2] === '\\n' || string === '\\n');\n var chomp = keep ? '+' : (clip ? '' : '-');\n\n return indentIndicator + chomp + '\\n';\n}\n\n// (See the note for writeScalar.)\nfunction dropEndingNewline(string) {\n return string[string.length - 1] === '\\n' ? string.slice(0, -1) : string;\n}\n\n// Note: a long line without a suitable break point will exceed the width limit.\n// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.\nfunction foldString(string, width) {\n // In folded style, $k$ consecutive newlines output as $k+1$ newlines—\n // unless they're before or after a more-indented line, or at the very\n // beginning or end, in which case $k$ maps to $k$.\n // Therefore, parse each chunk as newline(s) followed by a content line.\n var lineRe = /(\\n+)([^\\n]*)/g;\n\n // first line (possibly an empty line)\n var result = (function () {\n var nextLF = string.indexOf('\\n');\n nextLF = nextLF !== -1 ? nextLF : string.length;\n lineRe.lastIndex = nextLF;\n return foldLine(string.slice(0, nextLF), width);\n }());\n // If we haven't reached the first content line yet, don't add an extra \\n.\n var prevMoreIndented = string[0] === '\\n' || string[0] === ' ';\n var moreIndented;\n\n // rest of the lines\n var match;\n while ((match = lineRe.exec(string))) {\n var prefix = match[1], line = match[2];\n moreIndented = (line[0] === ' ');\n result += prefix\n + (!prevMoreIndented && !moreIndented && line !== ''\n ? '\\n' : '')\n + foldLine(line, width);\n prevMoreIndented = moreIndented;\n }\n\n return result;\n}\n\n// Greedy line breaking.\n// Picks the longest line under the limit each time,\n// otherwise settles for the shortest line over the limit.\n// NB. More-indented lines *cannot* be folded, as that would add an extra \\n.\nfunction foldLine(line, width) {\n if (line === '' || line[0] === ' ') return line;\n\n // Since a more-indented line adds a \\n, breaks can't be followed by a space.\n var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.\n var match;\n // start is an inclusive index. end, curr, and next are exclusive.\n var start = 0, end, curr = 0, next = 0;\n var result = '';\n\n // Invariants: 0 <= start <= length-1.\n // 0 <= curr <= next <= max(0, length-2). curr - start <= width.\n // Inside the loop:\n // A match implies length >= 2, so curr and next are <= length-2.\n while ((match = breakRe.exec(line))) {\n next = match.index;\n // maintain invariant: curr - start <= width\n if (next - start > width) {\n end = (curr > start) ? curr : next; // derive end <= length-2\n result += '\\n' + line.slice(start, end);\n // skip the space that was output as \\n\n start = end + 1; // derive start <= length-1\n }\n curr = next;\n }\n\n // By the invariants, start <= length-1, so there is something left over.\n // It is either the whole string or a part starting from non-whitespace.\n result += '\\n';\n // Insert a break if the remainder is too long and there is a break available.\n if (line.length - start > width && curr > start) {\n result += line.slice(start, curr) + '\\n' + line.slice(curr + 1);\n } else {\n result += line.slice(start);\n }\n\n return result.slice(1); // drop extra \\n joiner\n}\n\n// Escapes a double-quoted string.\nfunction escapeString(string) {\n var result = '';\n var char = 0;\n var escapeSeq;\n\n for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {\n char = codePointAt(string, i);\n escapeSeq = ESCAPE_SEQUENCES[char];\n\n if (!escapeSeq && isPrintable(char)) {\n result += string[i];\n if (char >= 0x10000) result += string[i + 1];\n } else {\n result += escapeSeq || encodeHex(char);\n }\n }\n\n return result;\n}\n\nfunction writeFlowSequence(state, level, object) {\n var _result = '',\n _tag = state.tag,\n index,\n length,\n value;\n\n for (index = 0, length = object.length; index < length; index += 1) {\n value = object[index];\n\n if (state.replacer) {\n value = state.replacer.call(object, String(index), value);\n }\n\n // Write only valid elements, put null instead of invalid elements.\n if (writeNode(state, level, value, false, false) ||\n (typeof value === 'undefined' &&\n writeNode(state, level, null, false, false))) {\n\n if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : '');\n _result += state.dump;\n }\n }\n\n state.tag = _tag;\n state.dump = '[' + _result + ']';\n}\n\nfunction writeBlockSequence(state, level, object, compact) {\n var _result = '',\n _tag = state.tag,\n index,\n length,\n value;\n\n for (index = 0, length = object.length; index < length; index += 1) {\n value = object[index];\n\n if (state.replacer) {\n value = state.replacer.call(object, String(index), value);\n }\n\n // Write only valid elements, put null instead of invalid elements.\n if (writeNode(state, level + 1, value, true, true, false, true) ||\n (typeof value === 'undefined' &&\n writeNode(state, level + 1, null, true, true, false, true))) {\n\n if (!compact || _result !== '') {\n _result += generateNextLine(state, level);\n }\n\n if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n _result += '-';\n } else {\n _result += '- ';\n }\n\n _result += state.dump;\n }\n }\n\n state.tag = _tag;\n state.dump = _result || '[]'; // Empty sequence if no valid values.\n}\n\nfunction writeFlowMapping(state, level, object) {\n var _result = '',\n _tag = state.tag,\n objectKeyList = Object.keys(object),\n index,\n length,\n objectKey,\n objectValue,\n pairBuffer;\n\n for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n\n pairBuffer = '';\n if (_result !== '') pairBuffer += ', ';\n\n if (state.condenseFlow) pairBuffer += '\"';\n\n objectKey = objectKeyList[index];\n objectValue = object[objectKey];\n\n if (state.replacer) {\n objectValue = state.replacer.call(object, objectKey, objectValue);\n }\n\n if (!writeNode(state, level, objectKey, false, false)) {\n continue; // Skip this pair because of invalid key;\n }\n\n if (state.dump.length > 1024) pairBuffer += '? ';\n\n pairBuffer += state.dump + (state.condenseFlow ? '\"' : '') + ':' + (state.condenseFlow ? '' : ' ');\n\n if (!writeNode(state, level, objectValue, false, false)) {\n continue; // Skip this pair because of invalid value.\n }\n\n pairBuffer += state.dump;\n\n // Both key and value are valid.\n _result += pairBuffer;\n }\n\n state.tag = _tag;\n state.dump = '{' + _result + '}';\n}\n\nfunction writeBlockMapping(state, level, object, compact) {\n var _result = '',\n _tag = state.tag,\n objectKeyList = Object.keys(object),\n index,\n length,\n objectKey,\n objectValue,\n explicitPair,\n pairBuffer;\n\n // Allow sorting keys so that the output file is deterministic\n if (state.sortKeys === true) {\n // Default sorting\n objectKeyList.sort();\n } else if (typeof state.sortKeys === 'function') {\n // Custom sort function\n objectKeyList.sort(state.sortKeys);\n } else if (state.sortKeys) {\n // Something is wrong\n throw new YAMLException('sortKeys must be a boolean or a function');\n }\n\n for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n pairBuffer = '';\n\n if (!compact || _result !== '') {\n pairBuffer += generateNextLine(state, level);\n }\n\n objectKey = objectKeyList[index];\n objectValue = object[objectKey];\n\n if (state.replacer) {\n objectValue = state.replacer.call(object, objectKey, objectValue);\n }\n\n if (!writeNode(state, level + 1, objectKey, true, true, true)) {\n continue; // Skip this pair because of invalid key.\n }\n\n explicitPair = (state.tag !== null && state.tag !== '?') ||\n (state.dump && state.dump.length > 1024);\n\n if (explicitPair) {\n if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n pairBuffer += '?';\n } else {\n pairBuffer += '? ';\n }\n }\n\n pairBuffer += state.dump;\n\n if (explicitPair) {\n pairBuffer += generateNextLine(state, level);\n }\n\n if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {\n continue; // Skip this pair because of invalid value.\n }\n\n if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {\n pairBuffer += ':';\n } else {\n pairBuffer += ': ';\n }\n\n pairBuffer += state.dump;\n\n // Both key and value are valid.\n _result += pairBuffer;\n }\n\n state.tag = _tag;\n state.dump = _result || '{}'; // Empty mapping if no valid pairs.\n}\n\nfunction detectType(state, object, explicit) {\n var _result, typeList, index, length, type, style;\n\n typeList = explicit ? state.explicitTypes : state.implicitTypes;\n\n for (index = 0, length = typeList.length; index < length; index += 1) {\n type = typeList[index];\n\n if ((type.instanceOf || type.predicate) &&\n (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) &&\n (!type.predicate || type.predicate(object))) {\n\n if (explicit) {\n if (type.multi && type.representName) {\n state.tag = type.representName(object);\n } else {\n state.tag = type.tag;\n }\n } else {\n state.tag = '?';\n }\n\n if (type.represent) {\n style = state.styleMap[type.tag] || type.defaultStyle;\n\n if (_toString.call(type.represent) === '[object Function]') {\n _result = type.represent(object, style);\n } else if (_hasOwnProperty.call(type.represent, style)) {\n _result = type.represent[style](object, style);\n } else {\n throw new YAMLException('!<' + type.tag + '> tag resolver accepts not \"' + style + '\" style');\n }\n\n state.dump = _result;\n }\n\n return true;\n }\n }\n\n return false;\n}\n\n// Serializes `object` and writes it to global `result`.\n// Returns true on success, or false on invalid object.\n//\nfunction writeNode(state, level, object, block, compact, iskey, isblockseq) {\n state.tag = null;\n state.dump = object;\n\n if (!detectType(state, object, false)) {\n detectType(state, object, true);\n }\n\n var type = _toString.call(state.dump);\n var inblock = block;\n var tagStr;\n\n if (block) {\n block = (state.flowLevel < 0 || state.flowLevel > level);\n }\n\n var objectOrArray = type === '[object Object]' || type === '[object Array]',\n duplicateIndex,\n duplicate;\n\n if (objectOrArray) {\n duplicateIndex = state.duplicates.indexOf(object);\n duplicate = duplicateIndex !== -1;\n }\n\n if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) {\n compact = false;\n }\n\n if (duplicate && state.usedDuplicates[duplicateIndex]) {\n state.dump = '*ref_' + duplicateIndex;\n } else {\n if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {\n state.usedDuplicates[duplicateIndex] = true;\n }\n if (type === '[object Object]') {\n if (block && (Object.keys(state.dump).length !== 0)) {\n writeBlockMapping(state, level, state.dump, compact);\n if (duplicate) {\n state.dump = '&ref_' + duplicateIndex + state.dump;\n }\n } else {\n writeFlowMapping(state, level, state.dump);\n if (duplicate) {\n state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;\n }\n }\n } else if (type === '[object Array]') {\n if (block && (state.dump.length !== 0)) {\n if (state.noArrayIndent && !isblockseq && level > 0) {\n writeBlockSequence(state, level - 1, state.dump, compact);\n } else {\n writeBlockSequence(state, level, state.dump, compact);\n }\n if (duplicate) {\n state.dump = '&ref_' + duplicateIndex + state.dump;\n }\n } else {\n writeFlowSequence(state, level, state.dump);\n if (duplicate) {\n state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;\n }\n }\n } else if (type === '[object String]') {\n if (state.tag !== '?') {\n writeScalar(state, state.dump, level, iskey, inblock);\n }\n } else if (type === '[object Undefined]') {\n return false;\n } else {\n if (state.skipInvalid) return false;\n throw new YAMLException('unacceptable kind of an object to dump ' + type);\n }\n\n if (state.tag !== null && state.tag !== '?') {\n // Need to encode all characters except those allowed by the spec:\n //\n // [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */\n // [36] ns-hex-digit ::= ns-dec-digit\n // | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */\n // [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */\n // [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-”\n // [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#”\n // | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,”\n // | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]”\n //\n // Also need to encode '!' because it has special meaning (end of tag prefix).\n //\n tagStr = encodeURI(\n state.tag[0] === '!' ? state.tag.slice(1) : state.tag\n ).replace(/!/g, '%21');\n\n if (state.tag[0] === '!') {\n tagStr = '!' + tagStr;\n } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') {\n tagStr = '!!' + tagStr.slice(18);\n } else {\n tagStr = '!<' + tagStr + '>';\n }\n\n state.dump = tagStr + ' ' + state.dump;\n }\n }\n\n return true;\n}\n\nfunction getDuplicateReferences(object, state) {\n var objects = [],\n duplicatesIndexes = [],\n index,\n length;\n\n inspectNode(object, objects, duplicatesIndexes);\n\n for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {\n state.duplicates.push(objects[duplicatesIndexes[index]]);\n }\n state.usedDuplicates = new Array(length);\n}\n\nfunction inspectNode(object, objects, duplicatesIndexes) {\n var objectKeyList,\n index,\n length;\n\n if (object !== null && typeof object === 'object') {\n index = objects.indexOf(object);\n if (index !== -1) {\n if (duplicatesIndexes.indexOf(index) === -1) {\n duplicatesIndexes.push(index);\n }\n } else {\n objects.push(object);\n\n if (Array.isArray(object)) {\n for (index = 0, length = object.length; index < length; index += 1) {\n inspectNode(object[index], objects, duplicatesIndexes);\n }\n } else {\n objectKeyList = Object.keys(object);\n\n for (index = 0, length = objectKeyList.length; index < length; index += 1) {\n inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);\n }\n }\n }\n }\n}\n\nfunction dump(input, options) {\n options = options || {};\n\n var state = new State(options);\n\n if (!state.noRefs) getDuplicateReferences(input, state);\n\n var value = input;\n\n if (state.replacer) {\n value = state.replacer.call({ '': value }, '', value);\n }\n\n if (writeNode(state, 0, value, true, true)) return state.dump + '\\n';\n\n return '';\n}\n\nmodule.exports.dump = dump;\n","// YAML error class. http://stackoverflow.com/questions/8458984\n//\n'use strict';\n\n\nfunction formatError(exception, compact) {\n var where = '', message = exception.reason || '(unknown reason)';\n\n if (!exception.mark) return message;\n\n if (exception.mark.name) {\n where += 'in \"' + exception.mark.name + '\" ';\n }\n\n where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')';\n\n if (!compact && exception.mark.snippet) {\n where += '\\n\\n' + exception.mark.snippet;\n }\n\n return message + ' ' + where;\n}\n\n\nfunction YAMLException(reason, mark) {\n // Super constructor\n Error.call(this);\n\n this.name = 'YAMLException';\n this.reason = reason;\n this.mark = mark;\n this.message = formatError(this, false);\n\n // Include stack trace in error object\n if (Error.captureStackTrace) {\n // Chrome and NodeJS\n Error.captureStackTrace(this, this.constructor);\n } else {\n // FF, IE 10+ and Safari 6+. Fallback for others\n this.stack = (new Error()).stack || '';\n }\n}\n\n\n// Inherit from Error\nYAMLException.prototype = Object.create(Error.prototype);\nYAMLException.prototype.constructor = YAMLException;\n\n\nYAMLException.prototype.toString = function toString(compact) {\n return this.name + ': ' + formatError(this, compact);\n};\n\n\nmodule.exports = YAMLException;\n","'use strict';\n\n/*eslint-disable max-len,no-use-before-define*/\n\nvar common = require('./common');\nvar YAMLException = require('./exception');\nvar makeSnippet = require('./snippet');\nvar DEFAULT_SCHEMA = require('./schema/default');\n\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\n\nvar CONTEXT_FLOW_IN = 1;\nvar CONTEXT_FLOW_OUT = 2;\nvar CONTEXT_BLOCK_IN = 3;\nvar CONTEXT_BLOCK_OUT = 4;\n\n\nvar CHOMPING_CLIP = 1;\nvar CHOMPING_STRIP = 2;\nvar CHOMPING_KEEP = 3;\n\n\nvar PATTERN_NON_PRINTABLE = /[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F-\\x84\\x86-\\x9F\\uFFFE\\uFFFF]|[\\uD800-\\uDBFF](?![\\uDC00-\\uDFFF])|(?:[^\\uD800-\\uDBFF]|^)[\\uDC00-\\uDFFF]/;\nvar PATTERN_NON_ASCII_LINE_BREAKS = /[\\x85\\u2028\\u2029]/;\nvar PATTERN_FLOW_INDICATORS = /[,\\[\\]\\{\\}]/;\nvar PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\\-]+!)$/i;\nvar PATTERN_TAG_URI = /^(?:!|[^,\\[\\]\\{\\}])(?:%[0-9a-f]{2}|[0-9a-z\\-#;\\/\\?:@&=\\+\\$,_\\.!~\\*'\\(\\)\\[\\]])*$/i;\n\n\nfunction _class(obj) { return Object.prototype.toString.call(obj); }\n\nfunction is_EOL(c) {\n return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);\n}\n\nfunction is_WHITE_SPACE(c) {\n return (c === 0x09/* Tab */) || (c === 0x20/* Space */);\n}\n\nfunction is_WS_OR_EOL(c) {\n return (c === 0x09/* Tab */) ||\n (c === 0x20/* Space */) ||\n (c === 0x0A/* LF */) ||\n (c === 0x0D/* CR */);\n}\n\nfunction is_FLOW_INDICATOR(c) {\n return c === 0x2C/* , */ ||\n c === 0x5B/* [ */ ||\n c === 0x5D/* ] */ ||\n c === 0x7B/* { */ ||\n c === 0x7D/* } */;\n}\n\nfunction fromHexCode(c) {\n var lc;\n\n if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n return c - 0x30;\n }\n\n /*eslint-disable no-bitwise*/\n lc = c | 0x20;\n\n if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {\n return lc - 0x61 + 10;\n }\n\n return -1;\n}\n\nfunction escapedHexLen(c) {\n if (c === 0x78/* x */) { return 2; }\n if (c === 0x75/* u */) { return 4; }\n if (c === 0x55/* U */) { return 8; }\n return 0;\n}\n\nfunction fromDecimalCode(c) {\n if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {\n return c - 0x30;\n }\n\n return -1;\n}\n\nfunction simpleEscapeSequence(c) {\n /* eslint-disable indent */\n return (c === 0x30/* 0 */) ? '\\x00' :\n (c === 0x61/* a */) ? '\\x07' :\n (c === 0x62/* b */) ? '\\x08' :\n (c === 0x74/* t */) ? '\\x09' :\n (c === 0x09/* Tab */) ? '\\x09' :\n (c === 0x6E/* n */) ? '\\x0A' :\n (c === 0x76/* v */) ? '\\x0B' :\n (c === 0x66/* f */) ? '\\x0C' :\n (c === 0x72/* r */) ? '\\x0D' :\n (c === 0x65/* e */) ? '\\x1B' :\n (c === 0x20/* Space */) ? ' ' :\n (c === 0x22/* \" */) ? '\\x22' :\n (c === 0x2F/* / */) ? '/' :\n (c === 0x5C/* \\ */) ? '\\x5C' :\n (c === 0x4E/* N */) ? '\\x85' :\n (c === 0x5F/* _ */) ? '\\xA0' :\n (c === 0x4C/* L */) ? '\\u2028' :\n (c === 0x50/* P */) ? '\\u2029' : '';\n}\n\nfunction charFromCodepoint(c) {\n if (c <= 0xFFFF) {\n return String.fromCharCode(c);\n }\n // Encode UTF-16 surrogate pair\n // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF\n return String.fromCharCode(\n ((c - 0x010000) >> 10) + 0xD800,\n ((c - 0x010000) & 0x03FF) + 0xDC00\n );\n}\n\nvar simpleEscapeCheck = new Array(256); // integer, for fast access\nvar simpleEscapeMap = new Array(256);\nfor (var i = 0; i < 256; i++) {\n simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;\n simpleEscapeMap[i] = simpleEscapeSequence(i);\n}\n\n\nfunction State(input, options) {\n this.input = input;\n\n this.filename = options['filename'] || null;\n this.schema = options['schema'] || DEFAULT_SCHEMA;\n this.onWarning = options['onWarning'] || null;\n // (Hidden) Remove? makes the loader to expect YAML 1.1 documents\n // if such documents have no explicit %YAML directive\n this.legacy = options['legacy'] || false;\n\n this.json = options['json'] || false;\n this.listener = options['listener'] || null;\n\n this.implicitTypes = this.schema.compiledImplicit;\n this.typeMap = this.schema.compiledTypeMap;\n\n this.length = input.length;\n this.position = 0;\n this.line = 0;\n this.lineStart = 0;\n this.lineIndent = 0;\n\n // position of first leading tab in the current line,\n // used to make sure there are no tabs in the indentation\n this.firstTabInLine = -1;\n\n this.documents = [];\n\n /*\n this.version;\n this.checkLineBreaks;\n this.tagMap;\n this.anchorMap;\n this.tag;\n this.anchor;\n this.kind;\n this.result;*/\n\n}\n\n\nfunction generateError(state, message) {\n var mark = {\n name: state.filename,\n buffer: state.input.slice(0, -1), // omit trailing \\0\n position: state.position,\n line: state.line,\n column: state.position - state.lineStart\n };\n\n mark.snippet = makeSnippet(mark);\n\n return new YAMLException(message, mark);\n}\n\nfunction throwError(state, message) {\n throw generateError(state, message);\n}\n\nfunction throwWarning(state, message) {\n if (state.onWarning) {\n state.onWarning.call(null, generateError(state, message));\n }\n}\n\n\nvar directiveHandlers = {\n\n YAML: function handleYamlDirective(state, name, args) {\n\n var match, major, minor;\n\n if (state.version !== null) {\n throwError(state, 'duplication of %YAML directive');\n }\n\n if (args.length !== 1) {\n throwError(state, 'YAML directive accepts exactly one argument');\n }\n\n match = /^([0-9]+)\\.([0-9]+)$/.exec(args[0]);\n\n if (match === null) {\n throwError(state, 'ill-formed argument of the YAML directive');\n }\n\n major = parseInt(match[1], 10);\n minor = parseInt(match[2], 10);\n\n if (major !== 1) {\n throwError(state, 'unacceptable YAML version of the document');\n }\n\n state.version = args[0];\n state.checkLineBreaks = (minor < 2);\n\n if (minor !== 1 && minor !== 2) {\n throwWarning(state, 'unsupported YAML version of the document');\n }\n },\n\n TAG: function handleTagDirective(state, name, args) {\n\n var handle, prefix;\n\n if (args.length !== 2) {\n throwError(state, 'TAG directive accepts exactly two arguments');\n }\n\n handle = args[0];\n prefix = args[1];\n\n if (!PATTERN_TAG_HANDLE.test(handle)) {\n throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');\n }\n\n if (_hasOwnProperty.call(state.tagMap, handle)) {\n throwError(state, 'there is a previously declared suffix for \"' + handle + '\" tag handle');\n }\n\n if (!PATTERN_TAG_URI.test(prefix)) {\n throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');\n }\n\n try {\n prefix = decodeURIComponent(prefix);\n } catch (err) {\n throwError(state, 'tag prefix is malformed: ' + prefix);\n }\n\n state.tagMap[handle] = prefix;\n }\n};\n\n\nfunction captureSegment(state, start, end, checkJson) {\n var _position, _length, _character, _result;\n\n if (start < end) {\n _result = state.input.slice(start, end);\n\n if (checkJson) {\n for (_position = 0, _length = _result.length; _position < _length; _position += 1) {\n _character = _result.charCodeAt(_position);\n if (!(_character === 0x09 ||\n (0x20 <= _character && _character <= 0x10FFFF))) {\n throwError(state, 'expected valid JSON character');\n }\n }\n } else if (PATTERN_NON_PRINTABLE.test(_result)) {\n throwError(state, 'the stream contains non-printable characters');\n }\n\n state.result += _result;\n }\n}\n\nfunction mergeMappings(state, destination, source, overridableKeys) {\n var sourceKeys, key, index, quantity;\n\n if (!common.isObject(source)) {\n throwError(state, 'cannot merge mappings; the provided source object is unacceptable');\n }\n\n sourceKeys = Object.keys(source);\n\n for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {\n key = sourceKeys[index];\n\n if (!_hasOwnProperty.call(destination, key)) {\n destination[key] = source[key];\n overridableKeys[key] = true;\n }\n }\n}\n\nfunction storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode,\n startLine, startLineStart, startPos) {\n\n var index, quantity;\n\n // The output is a plain object here, so keys can only be strings.\n // We need to convert keyNode to a string, but doing so can hang the process\n // (deeply nested arrays that explode exponentially using aliases).\n if (Array.isArray(keyNode)) {\n keyNode = Array.prototype.slice.call(keyNode);\n\n for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {\n if (Array.isArray(keyNode[index])) {\n throwError(state, 'nested arrays are not supported inside keys');\n }\n\n if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {\n keyNode[index] = '[object Object]';\n }\n }\n }\n\n // Avoid code execution in load() via toString property\n // (still use its own toString for arrays, timestamps,\n // and whatever user schema extensions happen to have @@toStringTag)\n if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {\n keyNode = '[object Object]';\n }\n\n\n keyNode = String(keyNode);\n\n if (_result === null) {\n _result = {};\n }\n\n if (keyTag === 'tag:yaml.org,2002:merge') {\n if (Array.isArray(valueNode)) {\n for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {\n mergeMappings(state, _result, valueNode[index], overridableKeys);\n }\n } else {\n mergeMappings(state, _result, valueNode, overridableKeys);\n }\n } else {\n if (!state.json &&\n !_hasOwnProperty.call(overridableKeys, keyNode) &&\n _hasOwnProperty.call(_result, keyNode)) {\n state.line = startLine || state.line;\n state.lineStart = startLineStart || state.lineStart;\n state.position = startPos || state.position;\n throwError(state, 'duplicated mapping key');\n }\n\n // used for this specific key only because Object.defineProperty is slow\n if (keyNode === '__proto__') {\n Object.defineProperty(_result, keyNode, {\n configurable: true,\n enumerable: true,\n writable: true,\n value: valueNode\n });\n } else {\n _result[keyNode] = valueNode;\n }\n delete overridableKeys[keyNode];\n }\n\n return _result;\n}\n\nfunction readLineBreak(state) {\n var ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === 0x0A/* LF */) {\n state.position++;\n } else if (ch === 0x0D/* CR */) {\n state.position++;\n if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {\n state.position++;\n }\n } else {\n throwError(state, 'a line break is expected');\n }\n\n state.line += 1;\n state.lineStart = state.position;\n state.firstTabInLine = -1;\n}\n\nfunction skipSeparationSpace(state, allowComments, checkIndent) {\n var lineBreaks = 0,\n ch = state.input.charCodeAt(state.position);\n\n while (ch !== 0) {\n while (is_WHITE_SPACE(ch)) {\n if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) {\n state.firstTabInLine = state.position;\n }\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (allowComments && ch === 0x23/* # */) {\n do {\n ch = state.input.charCodeAt(++state.position);\n } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);\n }\n\n if (is_EOL(ch)) {\n readLineBreak(state);\n\n ch = state.input.charCodeAt(state.position);\n lineBreaks++;\n state.lineIndent = 0;\n\n while (ch === 0x20/* Space */) {\n state.lineIndent++;\n ch = state.input.charCodeAt(++state.position);\n }\n } else {\n break;\n }\n }\n\n if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {\n throwWarning(state, 'deficient indentation');\n }\n\n return lineBreaks;\n}\n\nfunction testDocumentSeparator(state) {\n var _position = state.position,\n ch;\n\n ch = state.input.charCodeAt(_position);\n\n // Condition state.position === state.lineStart is tested\n // in parent on each call, for efficiency. No needs to test here again.\n if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&\n ch === state.input.charCodeAt(_position + 1) &&\n ch === state.input.charCodeAt(_position + 2)) {\n\n _position += 3;\n\n ch = state.input.charCodeAt(_position);\n\n if (ch === 0 || is_WS_OR_EOL(ch)) {\n return true;\n }\n }\n\n return false;\n}\n\nfunction writeFoldedLines(state, count) {\n if (count === 1) {\n state.result += ' ';\n } else if (count > 1) {\n state.result += common.repeat('\\n', count - 1);\n }\n}\n\n\nfunction readPlainScalar(state, nodeIndent, withinFlowCollection) {\n var preceding,\n following,\n captureStart,\n captureEnd,\n hasPendingContent,\n _line,\n _lineStart,\n _lineIndent,\n _kind = state.kind,\n _result = state.result,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (is_WS_OR_EOL(ch) ||\n is_FLOW_INDICATOR(ch) ||\n ch === 0x23/* # */ ||\n ch === 0x26/* & */ ||\n ch === 0x2A/* * */ ||\n ch === 0x21/* ! */ ||\n ch === 0x7C/* | */ ||\n ch === 0x3E/* > */ ||\n ch === 0x27/* ' */ ||\n ch === 0x22/* \" */ ||\n ch === 0x25/* % */ ||\n ch === 0x40/* @ */ ||\n ch === 0x60/* ` */) {\n return false;\n }\n\n if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {\n following = state.input.charCodeAt(state.position + 1);\n\n if (is_WS_OR_EOL(following) ||\n withinFlowCollection && is_FLOW_INDICATOR(following)) {\n return false;\n }\n }\n\n state.kind = 'scalar';\n state.result = '';\n captureStart = captureEnd = state.position;\n hasPendingContent = false;\n\n while (ch !== 0) {\n if (ch === 0x3A/* : */) {\n following = state.input.charCodeAt(state.position + 1);\n\n if (is_WS_OR_EOL(following) ||\n withinFlowCollection && is_FLOW_INDICATOR(following)) {\n break;\n }\n\n } else if (ch === 0x23/* # */) {\n preceding = state.input.charCodeAt(state.position - 1);\n\n if (is_WS_OR_EOL(preceding)) {\n break;\n }\n\n } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||\n withinFlowCollection && is_FLOW_INDICATOR(ch)) {\n break;\n\n } else if (is_EOL(ch)) {\n _line = state.line;\n _lineStart = state.lineStart;\n _lineIndent = state.lineIndent;\n skipSeparationSpace(state, false, -1);\n\n if (state.lineIndent >= nodeIndent) {\n hasPendingContent = true;\n ch = state.input.charCodeAt(state.position);\n continue;\n } else {\n state.position = captureEnd;\n state.line = _line;\n state.lineStart = _lineStart;\n state.lineIndent = _lineIndent;\n break;\n }\n }\n\n if (hasPendingContent) {\n captureSegment(state, captureStart, captureEnd, false);\n writeFoldedLines(state, state.line - _line);\n captureStart = captureEnd = state.position;\n hasPendingContent = false;\n }\n\n if (!is_WHITE_SPACE(ch)) {\n captureEnd = state.position + 1;\n }\n\n ch = state.input.charCodeAt(++state.position);\n }\n\n captureSegment(state, captureStart, captureEnd, false);\n\n if (state.result) {\n return true;\n }\n\n state.kind = _kind;\n state.result = _result;\n return false;\n}\n\nfunction readSingleQuotedScalar(state, nodeIndent) {\n var ch,\n captureStart, captureEnd;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x27/* ' */) {\n return false;\n }\n\n state.kind = 'scalar';\n state.result = '';\n state.position++;\n captureStart = captureEnd = state.position;\n\n while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n if (ch === 0x27/* ' */) {\n captureSegment(state, captureStart, state.position, true);\n ch = state.input.charCodeAt(++state.position);\n\n if (ch === 0x27/* ' */) {\n captureStart = state.position;\n state.position++;\n captureEnd = state.position;\n } else {\n return true;\n }\n\n } else if (is_EOL(ch)) {\n captureSegment(state, captureStart, captureEnd, true);\n writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));\n captureStart = captureEnd = state.position;\n\n } else if (state.position === state.lineStart && testDocumentSeparator(state)) {\n throwError(state, 'unexpected end of the document within a single quoted scalar');\n\n } else {\n state.position++;\n captureEnd = state.position;\n }\n }\n\n throwError(state, 'unexpected end of the stream within a single quoted scalar');\n}\n\nfunction readDoubleQuotedScalar(state, nodeIndent) {\n var captureStart,\n captureEnd,\n hexLength,\n hexResult,\n tmp,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x22/* \" */) {\n return false;\n }\n\n state.kind = 'scalar';\n state.result = '';\n state.position++;\n captureStart = captureEnd = state.position;\n\n while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n if (ch === 0x22/* \" */) {\n captureSegment(state, captureStart, state.position, true);\n state.position++;\n return true;\n\n } else if (ch === 0x5C/* \\ */) {\n captureSegment(state, captureStart, state.position, true);\n ch = state.input.charCodeAt(++state.position);\n\n if (is_EOL(ch)) {\n skipSeparationSpace(state, false, nodeIndent);\n\n // TODO: rework to inline fn with no type cast?\n } else if (ch < 256 && simpleEscapeCheck[ch]) {\n state.result += simpleEscapeMap[ch];\n state.position++;\n\n } else if ((tmp = escapedHexLen(ch)) > 0) {\n hexLength = tmp;\n hexResult = 0;\n\n for (; hexLength > 0; hexLength--) {\n ch = state.input.charCodeAt(++state.position);\n\n if ((tmp = fromHexCode(ch)) >= 0) {\n hexResult = (hexResult << 4) + tmp;\n\n } else {\n throwError(state, 'expected hexadecimal character');\n }\n }\n\n state.result += charFromCodepoint(hexResult);\n\n state.position++;\n\n } else {\n throwError(state, 'unknown escape sequence');\n }\n\n captureStart = captureEnd = state.position;\n\n } else if (is_EOL(ch)) {\n captureSegment(state, captureStart, captureEnd, true);\n writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));\n captureStart = captureEnd = state.position;\n\n } else if (state.position === state.lineStart && testDocumentSeparator(state)) {\n throwError(state, 'unexpected end of the document within a double quoted scalar');\n\n } else {\n state.position++;\n captureEnd = state.position;\n }\n }\n\n throwError(state, 'unexpected end of the stream within a double quoted scalar');\n}\n\nfunction readFlowCollection(state, nodeIndent) {\n var readNext = true,\n _line,\n _lineStart,\n _pos,\n _tag = state.tag,\n _result,\n _anchor = state.anchor,\n following,\n terminator,\n isPair,\n isExplicitPair,\n isMapping,\n overridableKeys = Object.create(null),\n keyNode,\n keyTag,\n valueNode,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === 0x5B/* [ */) {\n terminator = 0x5D;/* ] */\n isMapping = false;\n _result = [];\n } else if (ch === 0x7B/* { */) {\n terminator = 0x7D;/* } */\n isMapping = true;\n _result = {};\n } else {\n return false;\n }\n\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = _result;\n }\n\n ch = state.input.charCodeAt(++state.position);\n\n while (ch !== 0) {\n skipSeparationSpace(state, true, nodeIndent);\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === terminator) {\n state.position++;\n state.tag = _tag;\n state.anchor = _anchor;\n state.kind = isMapping ? 'mapping' : 'sequence';\n state.result = _result;\n return true;\n } else if (!readNext) {\n throwError(state, 'missed comma between flow collection entries');\n } else if (ch === 0x2C/* , */) {\n // \"flow collection entries can never be completely empty\", as per YAML 1.2, section 7.4\n throwError(state, \"expected the node content, but found ','\");\n }\n\n keyTag = keyNode = valueNode = null;\n isPair = isExplicitPair = false;\n\n if (ch === 0x3F/* ? */) {\n following = state.input.charCodeAt(state.position + 1);\n\n if (is_WS_OR_EOL(following)) {\n isPair = isExplicitPair = true;\n state.position++;\n skipSeparationSpace(state, true, nodeIndent);\n }\n }\n\n _line = state.line; // Save the current line.\n _lineStart = state.lineStart;\n _pos = state.position;\n composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);\n keyTag = state.tag;\n keyNode = state.result;\n skipSeparationSpace(state, true, nodeIndent);\n\n ch = state.input.charCodeAt(state.position);\n\n if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {\n isPair = true;\n ch = state.input.charCodeAt(++state.position);\n skipSeparationSpace(state, true, nodeIndent);\n composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);\n valueNode = state.result;\n }\n\n if (isMapping) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos);\n } else if (isPair) {\n _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos));\n } else {\n _result.push(keyNode);\n }\n\n skipSeparationSpace(state, true, nodeIndent);\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === 0x2C/* , */) {\n readNext = true;\n ch = state.input.charCodeAt(++state.position);\n } else {\n readNext = false;\n }\n }\n\n throwError(state, 'unexpected end of the stream within a flow collection');\n}\n\nfunction readBlockScalar(state, nodeIndent) {\n var captureStart,\n folding,\n chomping = CHOMPING_CLIP,\n didReadContent = false,\n detectedIndent = false,\n textIndent = nodeIndent,\n emptyLines = 0,\n atMoreIndented = false,\n tmp,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch === 0x7C/* | */) {\n folding = false;\n } else if (ch === 0x3E/* > */) {\n folding = true;\n } else {\n return false;\n }\n\n state.kind = 'scalar';\n state.result = '';\n\n while (ch !== 0) {\n ch = state.input.charCodeAt(++state.position);\n\n if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {\n if (CHOMPING_CLIP === chomping) {\n chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP;\n } else {\n throwError(state, 'repeat of a chomping mode identifier');\n }\n\n } else if ((tmp = fromDecimalCode(ch)) >= 0) {\n if (tmp === 0) {\n throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');\n } else if (!detectedIndent) {\n textIndent = nodeIndent + tmp - 1;\n detectedIndent = true;\n } else {\n throwError(state, 'repeat of an indentation width identifier');\n }\n\n } else {\n break;\n }\n }\n\n if (is_WHITE_SPACE(ch)) {\n do { ch = state.input.charCodeAt(++state.position); }\n while (is_WHITE_SPACE(ch));\n\n if (ch === 0x23/* # */) {\n do { ch = state.input.charCodeAt(++state.position); }\n while (!is_EOL(ch) && (ch !== 0));\n }\n }\n\n while (ch !== 0) {\n readLineBreak(state);\n state.lineIndent = 0;\n\n ch = state.input.charCodeAt(state.position);\n\n while ((!detectedIndent || state.lineIndent < textIndent) &&\n (ch === 0x20/* Space */)) {\n state.lineIndent++;\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (!detectedIndent && state.lineIndent > textIndent) {\n textIndent = state.lineIndent;\n }\n\n if (is_EOL(ch)) {\n emptyLines++;\n continue;\n }\n\n // End of the scalar.\n if (state.lineIndent < textIndent) {\n\n // Perform the chomping.\n if (chomping === CHOMPING_KEEP) {\n state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n } else if (chomping === CHOMPING_CLIP) {\n if (didReadContent) { // i.e. only if the scalar is not empty.\n state.result += '\\n';\n }\n }\n\n // Break this `while` cycle and go to the funciton's epilogue.\n break;\n }\n\n // Folded style: use fancy rules to handle line breaks.\n if (folding) {\n\n // Lines starting with white space characters (more-indented lines) are not folded.\n if (is_WHITE_SPACE(ch)) {\n atMoreIndented = true;\n // except for the first content line (cf. Example 8.1)\n state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n\n // End of more-indented block.\n } else if (atMoreIndented) {\n atMoreIndented = false;\n state.result += common.repeat('\\n', emptyLines + 1);\n\n // Just one line break - perceive as the same line.\n } else if (emptyLines === 0) {\n if (didReadContent) { // i.e. only if we have already read some scalar content.\n state.result += ' ';\n }\n\n // Several line breaks - perceive as different lines.\n } else {\n state.result += common.repeat('\\n', emptyLines);\n }\n\n // Literal style: just add exact number of line breaks between content lines.\n } else {\n // Keep all line breaks except the header line break.\n state.result += common.repeat('\\n', didReadContent ? 1 + emptyLines : emptyLines);\n }\n\n didReadContent = true;\n detectedIndent = true;\n emptyLines = 0;\n captureStart = state.position;\n\n while (!is_EOL(ch) && (ch !== 0)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n captureSegment(state, captureStart, state.position, false);\n }\n\n return true;\n}\n\nfunction readBlockSequence(state, nodeIndent) {\n var _line,\n _tag = state.tag,\n _anchor = state.anchor,\n _result = [],\n following,\n detected = false,\n ch;\n\n // there is a leading tab before this token, so it can't be a block sequence/mapping;\n // it can still be flow sequence/mapping or a scalar\n if (state.firstTabInLine !== -1) return false;\n\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = _result;\n }\n\n ch = state.input.charCodeAt(state.position);\n\n while (ch !== 0) {\n if (state.firstTabInLine !== -1) {\n state.position = state.firstTabInLine;\n throwError(state, 'tab characters must not be used in indentation');\n }\n\n if (ch !== 0x2D/* - */) {\n break;\n }\n\n following = state.input.charCodeAt(state.position + 1);\n\n if (!is_WS_OR_EOL(following)) {\n break;\n }\n\n detected = true;\n state.position++;\n\n if (skipSeparationSpace(state, true, -1)) {\n if (state.lineIndent <= nodeIndent) {\n _result.push(null);\n ch = state.input.charCodeAt(state.position);\n continue;\n }\n }\n\n _line = state.line;\n composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);\n _result.push(state.result);\n skipSeparationSpace(state, true, -1);\n\n ch = state.input.charCodeAt(state.position);\n\n if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {\n throwError(state, 'bad indentation of a sequence entry');\n } else if (state.lineIndent < nodeIndent) {\n break;\n }\n }\n\n if (detected) {\n state.tag = _tag;\n state.anchor = _anchor;\n state.kind = 'sequence';\n state.result = _result;\n return true;\n }\n return false;\n}\n\nfunction readBlockMapping(state, nodeIndent, flowIndent) {\n var following,\n allowCompact,\n _line,\n _keyLine,\n _keyLineStart,\n _keyPos,\n _tag = state.tag,\n _anchor = state.anchor,\n _result = {},\n overridableKeys = Object.create(null),\n keyTag = null,\n keyNode = null,\n valueNode = null,\n atExplicitKey = false,\n detected = false,\n ch;\n\n // there is a leading tab before this token, so it can't be a block sequence/mapping;\n // it can still be flow sequence/mapping or a scalar\n if (state.firstTabInLine !== -1) return false;\n\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = _result;\n }\n\n ch = state.input.charCodeAt(state.position);\n\n while (ch !== 0) {\n if (!atExplicitKey && state.firstTabInLine !== -1) {\n state.position = state.firstTabInLine;\n throwError(state, 'tab characters must not be used in indentation');\n }\n\n following = state.input.charCodeAt(state.position + 1);\n _line = state.line; // Save the current line.\n\n //\n // Explicit notation case. There are two separate blocks:\n // first for the key (denoted by \"?\") and second for the value (denoted by \":\")\n //\n if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) {\n\n if (ch === 0x3F/* ? */) {\n if (atExplicitKey) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n keyTag = keyNode = valueNode = null;\n }\n\n detected = true;\n atExplicitKey = true;\n allowCompact = true;\n\n } else if (atExplicitKey) {\n // i.e. 0x3A/* : */ === character after the explicit key.\n atExplicitKey = false;\n allowCompact = true;\n\n } else {\n throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line');\n }\n\n state.position += 1;\n ch = following;\n\n //\n // Implicit notation case. Flow-style node as the key first, then \":\", and the value.\n //\n } else {\n _keyLine = state.line;\n _keyLineStart = state.lineStart;\n _keyPos = state.position;\n\n if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {\n // Neither implicit nor explicit notation.\n // Reading is done. Go to the epilogue.\n break;\n }\n\n if (state.line === _line) {\n ch = state.input.charCodeAt(state.position);\n\n while (is_WHITE_SPACE(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (ch === 0x3A/* : */) {\n ch = state.input.charCodeAt(++state.position);\n\n if (!is_WS_OR_EOL(ch)) {\n throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');\n }\n\n if (atExplicitKey) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n keyTag = keyNode = valueNode = null;\n }\n\n detected = true;\n atExplicitKey = false;\n allowCompact = false;\n keyTag = state.tag;\n keyNode = state.result;\n\n } else if (detected) {\n throwError(state, 'can not read an implicit mapping pair; a colon is missed');\n\n } else {\n state.tag = _tag;\n state.anchor = _anchor;\n return true; // Keep the result of `composeNode`.\n }\n\n } else if (detected) {\n throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');\n\n } else {\n state.tag = _tag;\n state.anchor = _anchor;\n return true; // Keep the result of `composeNode`.\n }\n }\n\n //\n // Common reading code for both explicit and implicit notations.\n //\n if (state.line === _line || state.lineIndent > nodeIndent) {\n if (atExplicitKey) {\n _keyLine = state.line;\n _keyLineStart = state.lineStart;\n _keyPos = state.position;\n }\n\n if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {\n if (atExplicitKey) {\n keyNode = state.result;\n } else {\n valueNode = state.result;\n }\n }\n\n if (!atExplicitKey) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos);\n keyTag = keyNode = valueNode = null;\n }\n\n skipSeparationSpace(state, true, -1);\n ch = state.input.charCodeAt(state.position);\n }\n\n if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {\n throwError(state, 'bad indentation of a mapping entry');\n } else if (state.lineIndent < nodeIndent) {\n break;\n }\n }\n\n //\n // Epilogue.\n //\n\n // Special case: last mapping's node contains only the key in explicit notation.\n if (atExplicitKey) {\n storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);\n }\n\n // Expose the resulting mapping.\n if (detected) {\n state.tag = _tag;\n state.anchor = _anchor;\n state.kind = 'mapping';\n state.result = _result;\n }\n\n return detected;\n}\n\nfunction readTagProperty(state) {\n var _position,\n isVerbatim = false,\n isNamed = false,\n tagHandle,\n tagName,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x21/* ! */) return false;\n\n if (state.tag !== null) {\n throwError(state, 'duplication of a tag property');\n }\n\n ch = state.input.charCodeAt(++state.position);\n\n if (ch === 0x3C/* < */) {\n isVerbatim = true;\n ch = state.input.charCodeAt(++state.position);\n\n } else if (ch === 0x21/* ! */) {\n isNamed = true;\n tagHandle = '!!';\n ch = state.input.charCodeAt(++state.position);\n\n } else {\n tagHandle = '!';\n }\n\n _position = state.position;\n\n if (isVerbatim) {\n do { ch = state.input.charCodeAt(++state.position); }\n while (ch !== 0 && ch !== 0x3E/* > */);\n\n if (state.position < state.length) {\n tagName = state.input.slice(_position, state.position);\n ch = state.input.charCodeAt(++state.position);\n } else {\n throwError(state, 'unexpected end of the stream within a verbatim tag');\n }\n } else {\n while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n\n if (ch === 0x21/* ! */) {\n if (!isNamed) {\n tagHandle = state.input.slice(_position - 1, state.position + 1);\n\n if (!PATTERN_TAG_HANDLE.test(tagHandle)) {\n throwError(state, 'named tag handle cannot contain such characters');\n }\n\n isNamed = true;\n _position = state.position + 1;\n } else {\n throwError(state, 'tag suffix cannot contain exclamation marks');\n }\n }\n\n ch = state.input.charCodeAt(++state.position);\n }\n\n tagName = state.input.slice(_position, state.position);\n\n if (PATTERN_FLOW_INDICATORS.test(tagName)) {\n throwError(state, 'tag suffix cannot contain flow indicator characters');\n }\n }\n\n if (tagName && !PATTERN_TAG_URI.test(tagName)) {\n throwError(state, 'tag name cannot contain such characters: ' + tagName);\n }\n\n try {\n tagName = decodeURIComponent(tagName);\n } catch (err) {\n throwError(state, 'tag name is malformed: ' + tagName);\n }\n\n if (isVerbatim) {\n state.tag = tagName;\n\n } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) {\n state.tag = state.tagMap[tagHandle] + tagName;\n\n } else if (tagHandle === '!') {\n state.tag = '!' + tagName;\n\n } else if (tagHandle === '!!') {\n state.tag = 'tag:yaml.org,2002:' + tagName;\n\n } else {\n throwError(state, 'undeclared tag handle \"' + tagHandle + '\"');\n }\n\n return true;\n}\n\nfunction readAnchorProperty(state) {\n var _position,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x26/* & */) return false;\n\n if (state.anchor !== null) {\n throwError(state, 'duplication of an anchor property');\n }\n\n ch = state.input.charCodeAt(++state.position);\n _position = state.position;\n\n while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (state.position === _position) {\n throwError(state, 'name of an anchor node must contain at least one character');\n }\n\n state.anchor = state.input.slice(_position, state.position);\n return true;\n}\n\nfunction readAlias(state) {\n var _position, alias,\n ch;\n\n ch = state.input.charCodeAt(state.position);\n\n if (ch !== 0x2A/* * */) return false;\n\n ch = state.input.charCodeAt(++state.position);\n _position = state.position;\n\n while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (state.position === _position) {\n throwError(state, 'name of an alias node must contain at least one character');\n }\n\n alias = state.input.slice(_position, state.position);\n\n if (!_hasOwnProperty.call(state.anchorMap, alias)) {\n throwError(state, 'unidentified alias \"' + alias + '\"');\n }\n\n state.result = state.anchorMap[alias];\n skipSeparationSpace(state, true, -1);\n return true;\n}\n\nfunction composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {\n var allowBlockStyles,\n allowBlockScalars,\n allowBlockCollections,\n indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) {\n indentStatus = 1;\n } else if (state.lineIndent === parentIndent) {\n indentStatus = 0;\n } else if (state.lineIndent < parentIndent) {\n indentStatus = -1;\n }\n }\n }\n\n if (indentStatus === 1) {\n while (readTagProperty(state) || readAnchorProperty(state)) {\n if (skipSeparationSpace(state, true, -1)) {\n atNewLine = true;\n allowBlockCollections = allowBlockStyles;\n\n if (state.lineIndent > parentIndent) {\n indentStatus = 1;\n } else if (state.lineIndent === parentIndent) {\n indentStatus = 0;\n } else if (state.lineIndent < parentIndent) {\n indentStatus = -1;\n }\n } else {\n allowBlockCollections = false;\n }\n }\n }\n\n if (allowBlockCollections) {\n allowBlockCollections = atNewLine || allowCompact;\n }\n\n if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {\n if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {\n flowIndent = parentIndent;\n } else {\n flowIndent = parentIndent + 1;\n }\n\n blockIndent = state.position - state.lineStart;\n\n if (indentStatus === 1) {\n if (allowBlockCollections &&\n (readBlockSequence(state, blockIndent) ||\n readBlockMapping(state, blockIndent, flowIndent)) ||\n readFlowCollection(state, flowIndent)) {\n hasContent = true;\n } else {\n if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||\n readSingleQuotedScalar(state, flowIndent) ||\n readDoubleQuotedScalar(state, flowIndent)) {\n hasContent = true;\n\n } else if (readAlias(state)) {\n hasContent = true;\n\n if (state.tag !== null || state.anchor !== null) {\n throwError(state, 'alias node should not have any properties');\n }\n\n } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {\n hasContent = true;\n\n if (state.tag === null) {\n state.tag = '?';\n }\n }\n\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = state.result;\n }\n }\n } else if (indentStatus === 0) {\n // Special case: block sequences are allowed to have same indentation level as the parent.\n // http://www.yaml.org/spec/1.2/spec.html#id2799784\n hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);\n }\n }\n\n if (state.tag === null) {\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = state.result;\n }\n\n } else if (state.tag === '?') {\n // Implicit resolving is not allowed for non-scalar types, and '?'\n // non-specific tag is only automatically assigned to plain scalars.\n //\n // We only need to check kind conformity in case user explicitly assigns '?'\n // tag, for example like this: \"! [0]\"\n //\n if (state.result !== null && state.kind !== 'scalar') {\n throwError(state, 'unacceptable node kind for ! tag; it should be \"scalar\", not \"' + state.kind + '\"');\n }\n\n for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {\n type = state.implicitTypes[typeIndex];\n\n if (type.resolve(state.result)) { // `state.result` updated in resolver if matched\n state.result = type.construct(state.result);\n state.tag = type.tag;\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = state.result;\n }\n break;\n }\n }\n } else if (state.tag !== '!') {\n if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) {\n type = state.typeMap[state.kind || 'fallback'][state.tag];\n } else {\n // looking for multi type\n type = null;\n typeList = state.typeMap.multi[state.kind || 'fallback'];\n\n for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) {\n if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) {\n type = typeList[typeIndex];\n break;\n }\n }\n }\n\n if (!type) {\n throwError(state, 'unknown tag !<' + state.tag + '>');\n }\n\n if (state.result !== null && type.kind !== state.kind) {\n throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be \"' + type.kind + '\", not \"' + state.kind + '\"');\n }\n\n if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched\n throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');\n } else {\n state.result = type.construct(state.result, state.tag);\n if (state.anchor !== null) {\n state.anchorMap[state.anchor] = state.result;\n }\n }\n }\n\n if (state.listener !== null) {\n state.listener('close', state);\n }\n return state.tag !== null || state.anchor !== null || hasContent;\n}\n\nfunction readDocument(state) {\n var documentStart = state.position,\n _position,\n directiveName,\n directiveArgs,\n hasDirectives = false,\n ch;\n\n state.version = null;\n state.checkLineBreaks = state.legacy;\n state.tagMap = Object.create(null);\n state.anchorMap = Object.create(null);\n\n while ((ch = state.input.charCodeAt(state.position)) !== 0) {\n skipSeparationSpace(state, true, -1);\n\n ch = state.input.charCodeAt(state.position);\n\n if (state.lineIndent > 0 || ch !== 0x25/* % */) {\n break;\n }\n\n hasDirectives = true;\n ch = state.input.charCodeAt(++state.position);\n _position = state.position;\n\n while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n directiveName = state.input.slice(_position, state.position);\n directiveArgs = [];\n\n if (directiveName.length < 1) {\n throwError(state, 'directive name must not be less than one character in length');\n }\n\n while (ch !== 0) {\n while (is_WHITE_SPACE(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n if (ch === 0x23/* # */) {\n do { ch = state.input.charCodeAt(++state.position); }\n while (ch !== 0 && !is_EOL(ch));\n break;\n }\n\n if (is_EOL(ch)) break;\n\n _position = state.position;\n\n while (ch !== 0 && !is_WS_OR_EOL(ch)) {\n ch = state.input.charCodeAt(++state.position);\n }\n\n directiveArgs.push(state.input.slice(_position, state.position));\n }\n\n if (ch !== 0) readLineBreak(state);\n\n if (_hasOwnProperty.call(directiveHandlers, directiveName)) {\n directiveHandlers[directiveName](state, directiveName, directiveArgs);\n } else {\n throwWarning(state, 'unknown document directive \"' + directiveName + '\"');\n }\n }\n\n skipSeparationSpace(state, true, -1);\n\n if (state.lineIndent === 0 &&\n state.input.charCodeAt(state.position) === 0x2D/* - */ &&\n state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&\n state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {\n state.position += 3;\n skipSeparationSpace(state, true, -1);\n\n } else if (hasDirectives) {\n throwError(state, 'directives end mark is expected');\n }\n\n composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);\n skipSeparationSpace(state, true, -1);\n\n if (state.checkLineBreaks &&\n PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {\n throwWarning(state, 'non-ASCII line breaks are interpreted as content');\n }\n\n state.documents.push(state.result);\n\n if (state.position === state.lineStart && testDocumentSeparator(state)) {\n\n if (state.input.charCodeAt(state.position) === 0x2E/* . */) {\n state.position += 3;\n skipSeparationSpace(state, true, -1);\n }\n return;\n }\n\n if (state.position < (state.length - 1)) {\n throwError(state, 'end of the stream or a document separator is expected');\n } else {\n return;\n }\n}\n\n\nfunction loadDocuments(input, options) {\n input = String(input);\n options = options || {};\n\n if (input.length !== 0) {\n\n // Add tailing `\\n` if not exists\n if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&\n input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {\n input += '\\n';\n }\n\n // Strip BOM\n if (input.charCodeAt(0) === 0xFEFF) {\n input = input.slice(1);\n }\n }\n\n var state = new State(input, options);\n\n var nullpos = input.indexOf('\\0');\n\n if (nullpos !== -1) {\n state.position = nullpos;\n throwError(state, 'null byte is not allowed in input');\n }\n\n // Use 0 as string terminator. That significantly simplifies bounds check.\n state.input += '\\0';\n\n while (state.input.charCodeAt(state.position) === 0x20/* Space */) {\n state.lineIndent += 1;\n state.position += 1;\n }\n\n while (state.position < (state.length - 1)) {\n readDocument(state);\n }\n\n return state.documents;\n}\n\n\nfunction loadAll(input, iterator, options) {\n if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') {\n options = iterator;\n iterator = null;\n }\n\n var documents = loadDocuments(input, options);\n\n if (typeof iterator !== 'function') {\n return documents;\n }\n\n for (var index = 0, length = documents.length; index < length; index += 1) {\n iterator(documents[index]);\n }\n}\n\n\nfunction load(input, options) {\n var documents = loadDocuments(input, options);\n\n if (documents.length === 0) {\n /*eslint-disable no-undefined*/\n return undefined;\n } else if (documents.length === 1) {\n return documents[0];\n }\n throw new YAMLException('expected a single document in the stream, but found more');\n}\n\n\nmodule.exports.loadAll = loadAll;\nmodule.exports.load = load;\n","'use strict';\n\n/*eslint-disable max-len*/\n\nvar YAMLException = require('./exception');\nvar Type = require('./type');\n\n\nfunction compileList(schema, name) {\n var result = [];\n\n schema[name].forEach(function (currentType) {\n var newIndex = result.length;\n\n result.forEach(function (previousType, previousIndex) {\n if (previousType.tag === currentType.tag &&\n previousType.kind === currentType.kind &&\n previousType.multi === currentType.multi) {\n\n newIndex = previousIndex;\n }\n });\n\n result[newIndex] = currentType;\n });\n\n return result;\n}\n\n\nfunction compileMap(/* lists... */) {\n var result = {\n scalar: {},\n sequence: {},\n mapping: {},\n fallback: {},\n multi: {\n scalar: [],\n sequence: [],\n mapping: [],\n fallback: []\n }\n }, index, length;\n\n function collectType(type) {\n if (type.multi) {\n result.multi[type.kind].push(type);\n result.multi['fallback'].push(type);\n } else {\n result[type.kind][type.tag] = result['fallback'][type.tag] = type;\n }\n }\n\n for (index = 0, length = arguments.length; index < length; index += 1) {\n arguments[index].forEach(collectType);\n }\n return result;\n}\n\n\nfunction Schema(definition) {\n return this.extend(definition);\n}\n\n\nSchema.prototype.extend = function extend(definition) {\n var implicit = [];\n var explicit = [];\n\n if (definition instanceof Type) {\n // Schema.extend(type)\n explicit.push(definition);\n\n } else if (Array.isArray(definition)) {\n // Schema.extend([ type1, type2, ... ])\n explicit = explicit.concat(definition);\n\n } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) {\n // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] })\n if (definition.implicit) implicit = implicit.concat(definition.implicit);\n if (definition.explicit) explicit = explicit.concat(definition.explicit);\n\n } else {\n throw new YAMLException('Schema.extend argument should be a Type, [ Type ], ' +\n 'or a schema definition ({ implicit: [...], explicit: [...] })');\n }\n\n implicit.forEach(function (type) {\n if (!(type instanceof Type)) {\n throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n }\n\n if (type.loadKind && type.loadKind !== 'scalar') {\n throw new YAMLException('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');\n }\n\n if (type.multi) {\n throw new YAMLException('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.');\n }\n });\n\n explicit.forEach(function (type) {\n if (!(type instanceof Type)) {\n throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.');\n }\n });\n\n var result = Object.create(Schema.prototype);\n\n result.implicit = (this.implicit || []).concat(implicit);\n result.explicit = (this.explicit || []).concat(explicit);\n\n result.compiledImplicit = compileList(result, 'implicit');\n result.compiledExplicit = compileList(result, 'explicit');\n result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit);\n\n return result;\n};\n\n\nmodule.exports = Schema;\n","// Standard YAML's Core schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2804923\n//\n// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.\n// So, Core schema has no distinctions from JSON schema is JS-YAML.\n\n\n'use strict';\n\n\nmodule.exports = require('./json');\n","// JS-YAML's default schema for `safeLoad` function.\n// It is not described in the YAML specification.\n//\n// This schema is based on standard YAML's Core schema and includes most of\n// extra types described at YAML tag repository. (http://yaml.org/type/)\n\n\n'use strict';\n\n\nmodule.exports = require('./core').extend({\n implicit: [\n require('../type/timestamp'),\n require('../type/merge')\n ],\n explicit: [\n require('../type/binary'),\n require('../type/omap'),\n require('../type/pairs'),\n require('../type/set')\n ]\n});\n","// Standard YAML's Failsafe schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2802346\n\n\n'use strict';\n\n\nvar Schema = require('../schema');\n\n\nmodule.exports = new Schema({\n explicit: [\n require('../type/str'),\n require('../type/seq'),\n require('../type/map')\n ]\n});\n","// Standard YAML's JSON schema.\n// http://www.yaml.org/spec/1.2/spec.html#id2803231\n//\n// NOTE: JS-YAML does not support schema-specific tag resolution restrictions.\n// So, this schema is not such strict as defined in the YAML specification.\n// It allows numbers in binary notaion, use `Null` and `NULL` as `null`, etc.\n\n\n'use strict';\n\n\nmodule.exports = require('./failsafe').extend({\n implicit: [\n require('../type/null'),\n require('../type/bool'),\n require('../type/int'),\n require('../type/float')\n ]\n});\n","'use strict';\n\n\nvar common = require('./common');\n\n\n// get snippet for a single line, respecting maxLength\nfunction getLine(buffer, lineStart, lineEnd, position, maxLineLength) {\n var head = '';\n var tail = '';\n var maxHalfLength = Math.floor(maxLineLength / 2) - 1;\n\n if (position - lineStart > maxHalfLength) {\n head = ' ... ';\n lineStart = position - maxHalfLength + head.length;\n }\n\n if (lineEnd - position > maxHalfLength) {\n tail = ' ...';\n lineEnd = position + maxHalfLength - tail.length;\n }\n\n return {\n str: head + buffer.slice(lineStart, lineEnd).replace(/\\t/g, '→') + tail,\n pos: position - lineStart + head.length // relative position\n };\n}\n\n\nfunction padStart(string, max) {\n return common.repeat(' ', max - string.length) + string;\n}\n\n\nfunction makeSnippet(mark, options) {\n options = Object.create(options || null);\n\n if (!mark.buffer) return null;\n\n if (!options.maxLength) options.maxLength = 79;\n if (typeof options.indent !== 'number') options.indent = 1;\n if (typeof options.linesBefore !== 'number') options.linesBefore = 3;\n if (typeof options.linesAfter !== 'number') options.linesAfter = 2;\n\n var re = /\\r?\\n|\\r|\\0/g;\n var lineStarts = [ 0 ];\n var lineEnds = [];\n var match;\n var foundLineNo = -1;\n\n while ((match = re.exec(mark.buffer))) {\n lineEnds.push(match.index);\n lineStarts.push(match.index + match[0].length);\n\n if (mark.position <= match.index && foundLineNo < 0) {\n foundLineNo = lineStarts.length - 2;\n }\n }\n\n if (foundLineNo < 0) foundLineNo = lineStarts.length - 1;\n\n var result = '', i, line;\n var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length;\n var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3);\n\n for (i = 1; i <= options.linesBefore; i++) {\n if (foundLineNo - i < 0) break;\n line = getLine(\n mark.buffer,\n lineStarts[foundLineNo - i],\n lineEnds[foundLineNo - i],\n mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]),\n maxLineLength\n );\n result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) +\n ' | ' + line.str + '\\n' + result;\n }\n\n line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength);\n result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) +\n ' | ' + line.str + '\\n';\n result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\\n';\n\n for (i = 1; i <= options.linesAfter; i++) {\n if (foundLineNo + i >= lineEnds.length) break;\n line = getLine(\n mark.buffer,\n lineStarts[foundLineNo + i],\n lineEnds[foundLineNo + i],\n mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]),\n maxLineLength\n );\n result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) +\n ' | ' + line.str + '\\n';\n }\n\n return result.replace(/\\n$/, '');\n}\n\n\nmodule.exports = makeSnippet;\n","'use strict';\n\nvar YAMLException = require('./exception');\n\nvar TYPE_CONSTRUCTOR_OPTIONS = [\n 'kind',\n 'multi',\n 'resolve',\n 'construct',\n 'instanceOf',\n 'predicate',\n 'represent',\n 'representName',\n 'defaultStyle',\n 'styleAliases'\n];\n\nvar YAML_NODE_KINDS = [\n 'scalar',\n 'sequence',\n 'mapping'\n];\n\nfunction compileStyleAliases(map) {\n var result = {};\n\n if (map !== null) {\n Object.keys(map).forEach(function (style) {\n map[style].forEach(function (alias) {\n result[String(alias)] = style;\n });\n });\n }\n\n return result;\n}\n\nfunction Type(tag, options) {\n options = options || {};\n\n Object.keys(options).forEach(function (name) {\n if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {\n throw new YAMLException('Unknown option \"' + name + '\" is met in definition of \"' + tag + '\" YAML type.');\n }\n });\n\n // TODO: Add tag format check.\n this.options = options; // keep original options in case user wants to extend this type later\n this.tag = tag;\n this.kind = options['kind'] || null;\n this.resolve = options['resolve'] || function () { return true; };\n this.construct = options['construct'] || function (data) { return data; };\n this.instanceOf = options['instanceOf'] || null;\n this.predicate = options['predicate'] || null;\n this.represent = options['represent'] || null;\n this.representName = options['representName'] || null;\n this.defaultStyle = options['defaultStyle'] || null;\n this.multi = options['multi'] || false;\n this.styleAliases = compileStyleAliases(options['styleAliases'] || null);\n\n if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {\n throw new YAMLException('Unknown kind \"' + this.kind + '\" is specified for \"' + tag + '\" YAML type.');\n }\n}\n\nmodule.exports = Type;\n","'use strict';\n\n/*eslint-disable no-bitwise*/\n\n\nvar Type = require('../type');\n\n\n// [ 64, 65, 66 ] -> [ padding, CR, LF ]\nvar BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\\n\\r';\n\n\nfunction resolveYamlBinary(data) {\n if (data === null) return false;\n\n var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;\n\n // Convert one by one.\n for (idx = 0; idx < max; idx++) {\n code = map.indexOf(data.charAt(idx));\n\n // Skip CR/LF\n if (code > 64) continue;\n\n // Fail on illegal characters\n if (code < 0) return false;\n\n bitlen += 6;\n }\n\n // If there are any bits left, source was corrupted\n return (bitlen % 8) === 0;\n}\n\nfunction constructYamlBinary(data) {\n var idx, tailbits,\n input = data.replace(/[\\r\\n=]/g, ''), // remove CR/LF & padding to simplify scan\n max = input.length,\n map = BASE64_MAP,\n bits = 0,\n result = [];\n\n // Collect by 6*4 bits (3 bytes)\n\n for (idx = 0; idx < max; idx++) {\n if ((idx % 4 === 0) && idx) {\n result.push((bits >> 16) & 0xFF);\n result.push((bits >> 8) & 0xFF);\n result.push(bits & 0xFF);\n }\n\n bits = (bits << 6) | map.indexOf(input.charAt(idx));\n }\n\n // Dump tail\n\n tailbits = (max % 4) * 6;\n\n if (tailbits === 0) {\n result.push((bits >> 16) & 0xFF);\n result.push((bits >> 8) & 0xFF);\n result.push(bits & 0xFF);\n } else if (tailbits === 18) {\n result.push((bits >> 10) & 0xFF);\n result.push((bits >> 2) & 0xFF);\n } else if (tailbits === 12) {\n result.push((bits >> 4) & 0xFF);\n }\n\n return new Uint8Array(result);\n}\n\nfunction representYamlBinary(object /*, style*/) {\n var result = '', bits = 0, idx, tail,\n max = object.length,\n map = BASE64_MAP;\n\n // Convert every three bytes to 4 ASCII characters.\n\n for (idx = 0; idx < max; idx++) {\n if ((idx % 3 === 0) && idx) {\n result += map[(bits >> 18) & 0x3F];\n result += map[(bits >> 12) & 0x3F];\n result += map[(bits >> 6) & 0x3F];\n result += map[bits & 0x3F];\n }\n\n bits = (bits << 8) + object[idx];\n }\n\n // Dump tail\n\n tail = max % 3;\n\n if (tail === 0) {\n result += map[(bits >> 18) & 0x3F];\n result += map[(bits >> 12) & 0x3F];\n result += map[(bits >> 6) & 0x3F];\n result += map[bits & 0x3F];\n } else if (tail === 2) {\n result += map[(bits >> 10) & 0x3F];\n result += map[(bits >> 4) & 0x3F];\n result += map[(bits << 2) & 0x3F];\n result += map[64];\n } else if (tail === 1) {\n result += map[(bits >> 2) & 0x3F];\n result += map[(bits << 4) & 0x3F];\n result += map[64];\n result += map[64];\n }\n\n return result;\n}\n\nfunction isBinary(obj) {\n return Object.prototype.toString.call(obj) === '[object Uint8Array]';\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:binary', {\n kind: 'scalar',\n resolve: resolveYamlBinary,\n construct: constructYamlBinary,\n predicate: isBinary,\n represent: representYamlBinary\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlBoolean(data) {\n if (data === null) return false;\n\n var max = data.length;\n\n return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||\n (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));\n}\n\nfunction constructYamlBoolean(data) {\n return data === 'true' ||\n data === 'True' ||\n data === 'TRUE';\n}\n\nfunction isBoolean(object) {\n return Object.prototype.toString.call(object) === '[object Boolean]';\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:bool', {\n kind: 'scalar',\n resolve: resolveYamlBoolean,\n construct: constructYamlBoolean,\n predicate: isBoolean,\n represent: {\n lowercase: function (object) { return object ? 'true' : 'false'; },\n uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },\n camelcase: function (object) { return object ? 'True' : 'False'; }\n },\n defaultStyle: 'lowercase'\n});\n","'use strict';\n\nvar common = require('../common');\nvar Type = require('../type');\n\nvar YAML_FLOAT_PATTERN = new RegExp(\n // 2.5e4, 2.5 and integers\n '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +\n // .2e4, .2\n // special case, seems not from spec\n '|\\\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +\n // .inf\n '|[-+]?\\\\.(?:inf|Inf|INF)' +\n // .nan\n '|\\\\.(?:nan|NaN|NAN))$');\n\nfunction resolveYamlFloat(data) {\n if (data === null) return false;\n\n if (!YAML_FLOAT_PATTERN.test(data) ||\n // Quick hack to not allow integers end with `_`\n // Probably should update regexp & check speed\n data[data.length - 1] === '_') {\n return false;\n }\n\n return true;\n}\n\nfunction constructYamlFloat(data) {\n var value, sign;\n\n value = data.replace(/_/g, '').toLowerCase();\n sign = value[0] === '-' ? -1 : 1;\n\n if ('+-'.indexOf(value[0]) >= 0) {\n value = value.slice(1);\n }\n\n if (value === '.inf') {\n return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;\n\n } else if (value === '.nan') {\n return NaN;\n }\n return sign * parseFloat(value, 10);\n}\n\n\nvar SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;\n\nfunction representYamlFloat(object, style) {\n var res;\n\n if (isNaN(object)) {\n switch (style) {\n case 'lowercase': return '.nan';\n case 'uppercase': return '.NAN';\n case 'camelcase': return '.NaN';\n }\n } else if (Number.POSITIVE_INFINITY === object) {\n switch (style) {\n case 'lowercase': return '.inf';\n case 'uppercase': return '.INF';\n case 'camelcase': return '.Inf';\n }\n } else if (Number.NEGATIVE_INFINITY === object) {\n switch (style) {\n case 'lowercase': return '-.inf';\n case 'uppercase': return '-.INF';\n case 'camelcase': return '-.Inf';\n }\n } else if (common.isNegativeZero(object)) {\n return '-0.0';\n }\n\n res = object.toString(10);\n\n // JS stringifier can build scientific format without dots: 5e-100,\n // while YAML requres dot: 5.e-100. Fix it with simple hack\n\n return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;\n}\n\nfunction isFloat(object) {\n return (Object.prototype.toString.call(object) === '[object Number]') &&\n (object % 1 !== 0 || common.isNegativeZero(object));\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:float', {\n kind: 'scalar',\n resolve: resolveYamlFloat,\n construct: constructYamlFloat,\n predicate: isFloat,\n represent: representYamlFloat,\n defaultStyle: 'lowercase'\n});\n","'use strict';\n\nvar common = require('../common');\nvar Type = require('../type');\n\nfunction isHexCode(c) {\n return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||\n ((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||\n ((0x61/* a */ <= c) && (c <= 0x66/* f */));\n}\n\nfunction isOctCode(c) {\n return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));\n}\n\nfunction isDecCode(c) {\n return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));\n}\n\nfunction resolveYamlInteger(data) {\n if (data === null) return false;\n\n var max = data.length,\n index = 0,\n hasDigits = false,\n ch;\n\n if (!max) return false;\n\n ch = data[index];\n\n // sign\n if (ch === '-' || ch === '+') {\n ch = data[++index];\n }\n\n if (ch === '0') {\n // 0\n if (index + 1 === max) return true;\n ch = data[++index];\n\n // base 2, base 8, base 16\n\n if (ch === 'b') {\n // base 2\n index++;\n\n for (; index < max; index++) {\n ch = data[index];\n if (ch === '_') continue;\n if (ch !== '0' && ch !== '1') return false;\n hasDigits = true;\n }\n return hasDigits && ch !== '_';\n }\n\n\n if (ch === 'x') {\n // base 16\n index++;\n\n for (; index < max; index++) {\n ch = data[index];\n if (ch === '_') continue;\n if (!isHexCode(data.charCodeAt(index))) return false;\n hasDigits = true;\n }\n return hasDigits && ch !== '_';\n }\n\n\n if (ch === 'o') {\n // base 8\n index++;\n\n for (; index < max; index++) {\n ch = data[index];\n if (ch === '_') continue;\n if (!isOctCode(data.charCodeAt(index))) return false;\n hasDigits = true;\n }\n return hasDigits && ch !== '_';\n }\n }\n\n // base 10 (except 0)\n\n // value should not start with `_`;\n if (ch === '_') return false;\n\n for (; index < max; index++) {\n ch = data[index];\n if (ch === '_') continue;\n if (!isDecCode(data.charCodeAt(index))) {\n return false;\n }\n hasDigits = true;\n }\n\n // Should have digits and should not end with `_`\n if (!hasDigits || ch === '_') return false;\n\n return true;\n}\n\nfunction constructYamlInteger(data) {\n var value = data, sign = 1, ch;\n\n if (value.indexOf('_') !== -1) {\n value = value.replace(/_/g, '');\n }\n\n ch = value[0];\n\n if (ch === '-' || ch === '+') {\n if (ch === '-') sign = -1;\n value = value.slice(1);\n ch = value[0];\n }\n\n if (value === '0') return 0;\n\n if (ch === '0') {\n if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);\n if (value[1] === 'x') return sign * parseInt(value.slice(2), 16);\n if (value[1] === 'o') return sign * parseInt(value.slice(2), 8);\n }\n\n return sign * parseInt(value, 10);\n}\n\nfunction isInteger(object) {\n return (Object.prototype.toString.call(object)) === '[object Number]' &&\n (object % 1 === 0 && !common.isNegativeZero(object));\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:int', {\n kind: 'scalar',\n resolve: resolveYamlInteger,\n construct: constructYamlInteger,\n predicate: isInteger,\n represent: {\n binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); },\n octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); },\n decimal: function (obj) { return obj.toString(10); },\n /* eslint-disable max-len */\n hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); }\n },\n defaultStyle: 'decimal',\n styleAliases: {\n binary: [ 2, 'bin' ],\n octal: [ 8, 'oct' ],\n decimal: [ 10, 'dec' ],\n hexadecimal: [ 16, 'hex' ]\n }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:map', {\n kind: 'mapping',\n construct: function (data) { return data !== null ? data : {}; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlMerge(data) {\n return data === '<<' || data === null;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:merge', {\n kind: 'scalar',\n resolve: resolveYamlMerge\n});\n","'use strict';\n\nvar Type = require('../type');\n\nfunction resolveYamlNull(data) {\n if (data === null) return true;\n\n var max = data.length;\n\n return (max === 1 && data === '~') ||\n (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));\n}\n\nfunction constructYamlNull() {\n return null;\n}\n\nfunction isNull(object) {\n return object === null;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:null', {\n kind: 'scalar',\n resolve: resolveYamlNull,\n construct: constructYamlNull,\n predicate: isNull,\n represent: {\n canonical: function () { return '~'; },\n lowercase: function () { return 'null'; },\n uppercase: function () { return 'NULL'; },\n camelcase: function () { return 'Null'; },\n empty: function () { return ''; }\n },\n defaultStyle: 'lowercase'\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\nvar _toString = Object.prototype.toString;\n\nfunction resolveYamlOmap(data) {\n if (data === null) return true;\n\n var objectKeys = [], index, length, pair, pairKey, pairHasKey,\n object = data;\n\n for (index = 0, length = object.length; index < length; index += 1) {\n pair = object[index];\n pairHasKey = false;\n\n if (_toString.call(pair) !== '[object Object]') return false;\n\n for (pairKey in pair) {\n if (_hasOwnProperty.call(pair, pairKey)) {\n if (!pairHasKey) pairHasKey = true;\n else return false;\n }\n }\n\n if (!pairHasKey) return false;\n\n if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);\n else return false;\n }\n\n return true;\n}\n\nfunction constructYamlOmap(data) {\n return data !== null ? data : [];\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:omap', {\n kind: 'sequence',\n resolve: resolveYamlOmap,\n construct: constructYamlOmap\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _toString = Object.prototype.toString;\n\nfunction resolveYamlPairs(data) {\n if (data === null) return true;\n\n var index, length, pair, keys, result,\n object = data;\n\n result = new Array(object.length);\n\n for (index = 0, length = object.length; index < length; index += 1) {\n pair = object[index];\n\n if (_toString.call(pair) !== '[object Object]') return false;\n\n keys = Object.keys(pair);\n\n if (keys.length !== 1) return false;\n\n result[index] = [ keys[0], pair[keys[0]] ];\n }\n\n return true;\n}\n\nfunction constructYamlPairs(data) {\n if (data === null) return [];\n\n var index, length, pair, keys, result,\n object = data;\n\n result = new Array(object.length);\n\n for (index = 0, length = object.length; index < length; index += 1) {\n pair = object[index];\n\n keys = Object.keys(pair);\n\n result[index] = [ keys[0], pair[keys[0]] ];\n }\n\n return result;\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:pairs', {\n kind: 'sequence',\n resolve: resolveYamlPairs,\n construct: constructYamlPairs\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:seq', {\n kind: 'sequence',\n construct: function (data) { return data !== null ? data : []; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar _hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction resolveYamlSet(data) {\n if (data === null) return true;\n\n var key, object = data;\n\n for (key in object) {\n if (_hasOwnProperty.call(object, key)) {\n if (object[key] !== null) return false;\n }\n }\n\n return true;\n}\n\nfunction constructYamlSet(data) {\n return data !== null ? data : {};\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:set', {\n kind: 'mapping',\n resolve: resolveYamlSet,\n construct: constructYamlSet\n});\n","'use strict';\n\nvar Type = require('../type');\n\nmodule.exports = new Type('tag:yaml.org,2002:str', {\n kind: 'scalar',\n construct: function (data) { return data !== null ? data : ''; }\n});\n","'use strict';\n\nvar Type = require('../type');\n\nvar YAML_DATE_REGEXP = new RegExp(\n '^([0-9][0-9][0-9][0-9])' + // [1] year\n '-([0-9][0-9])' + // [2] month\n '-([0-9][0-9])$'); // [3] day\n\nvar YAML_TIMESTAMP_REGEXP = new RegExp(\n '^([0-9][0-9][0-9][0-9])' + // [1] year\n '-([0-9][0-9]?)' + // [2] month\n '-([0-9][0-9]?)' + // [3] day\n '(?:[Tt]|[ \\\\t]+)' + // ...\n '([0-9][0-9]?)' + // [4] hour\n ':([0-9][0-9])' + // [5] minute\n ':([0-9][0-9])' + // [6] second\n '(?:\\\\.([0-9]*))?' + // [7] fraction\n '(?:[ \\\\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour\n '(?::([0-9][0-9]))?))?$'); // [11] tz_minute\n\nfunction resolveYamlTimestamp(data) {\n if (data === null) return false;\n if (YAML_DATE_REGEXP.exec(data) !== null) return true;\n if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;\n return false;\n}\n\nfunction constructYamlTimestamp(data) {\n var match, year, month, day, hour, minute, second, fraction = 0,\n delta = null, tz_hour, tz_minute, date;\n\n match = YAML_DATE_REGEXP.exec(data);\n if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);\n\n if (match === null) throw new Error('Date resolve error');\n\n // match: [1] year [2] month [3] day\n\n year = +(match[1]);\n month = +(match[2]) - 1; // JS month starts with 0\n day = +(match[3]);\n\n if (!match[4]) { // no hour\n return new Date(Date.UTC(year, month, day));\n }\n\n // match: [4] hour [5] minute [6] second [7] fraction\n\n hour = +(match[4]);\n minute = +(match[5]);\n second = +(match[6]);\n\n if (match[7]) {\n fraction = match[7].slice(0, 3);\n while (fraction.length < 3) { // milli-seconds\n fraction += '0';\n }\n fraction = +fraction;\n }\n\n // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute\n\n if (match[9]) {\n tz_hour = +(match[10]);\n tz_minute = +(match[11] || 0);\n delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds\n if (match[9] === '-') delta = -delta;\n }\n\n date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));\n\n if (delta) date.setTime(date.getTime() - delta);\n\n return date;\n}\n\nfunction representYamlTimestamp(object /*, style*/) {\n return object.toISOString();\n}\n\nmodule.exports = new Type('tag:yaml.org,2002:timestamp', {\n kind: 'scalar',\n resolve: resolveYamlTimestamp,\n construct: constructYamlTimestamp,\n instanceOf: Date,\n represent: representYamlTimestamp\n});\n","'use strict';\n\nvar traverse = module.exports = function (schema, opts, cb) {\n // Legacy support for v0.3.1 and earlier.\n if (typeof opts == 'function') {\n cb = opts;\n opts = {};\n }\n\n cb = opts.cb || cb;\n var pre = (typeof cb == 'function') ? cb : cb.pre || function() {};\n var post = cb.post || function() {};\n\n _traverse(opts, pre, post, schema, '', schema);\n};\n\n\ntraverse.keywords = {\n additionalItems: true,\n items: true,\n contains: true,\n additionalProperties: true,\n propertyNames: true,\n not: true,\n if: true,\n then: true,\n else: true\n};\n\ntraverse.arrayKeywords = {\n items: true,\n allOf: true,\n anyOf: true,\n oneOf: true\n};\n\ntraverse.propsKeywords = {\n $defs: true,\n definitions: true,\n properties: true,\n patternProperties: true,\n dependencies: true\n};\n\ntraverse.skipKeywords = {\n default: true,\n enum: true,\n const: true,\n required: true,\n maximum: true,\n minimum: true,\n exclusiveMaximum: true,\n exclusiveMinimum: true,\n multipleOf: true,\n maxLength: true,\n minLength: true,\n pattern: true,\n format: true,\n maxItems: true,\n minItems: true,\n uniqueItems: true,\n maxProperties: true,\n minProperties: true\n};\n\n\nfunction _traverse(opts, pre, post, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {\n if (schema && typeof schema == 'object' && !Array.isArray(schema)) {\n pre(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);\n for (var key in schema) {\n var sch = schema[key];\n if (Array.isArray(sch)) {\n if (key in traverse.arrayKeywords) {\n for (var i=0; i length ? 0 : (length + start);\n }\n end = end > length ? length : end;\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n}\n\nmodule.exports = baseSlice;\n","/**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\nfunction baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n}\n\nmodule.exports = baseTimes;\n","var Symbol = require('./_Symbol'),\n arrayMap = require('./_arrayMap'),\n isArray = require('./isArray'),\n isSymbol = require('./isSymbol');\n\n/** Used as references for various `Number` constants. */\nvar INFINITY = 1 / 0;\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n/**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\nfunction baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\nmodule.exports = baseToString;\n","/**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\nfunction baseUnary(func) {\n return function(value) {\n return func(value);\n };\n}\n\nmodule.exports = baseUnary;\n","var arrayMap = require('./_arrayMap');\n\n/**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\nfunction baseValues(object, props) {\n return arrayMap(props, function(key) {\n return object[key];\n });\n}\n\nmodule.exports = baseValues;\n","/**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction cacheHas(cache, key) {\n return cache.has(key);\n}\n\nmodule.exports = cacheHas;\n","var isArray = require('./isArray'),\n isKey = require('./_isKey'),\n stringToPath = require('./_stringToPath'),\n toString = require('./toString');\n\n/**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\nfunction castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n}\n\nmodule.exports = castPath;\n","var baseSlice = require('./_baseSlice');\n\n/**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\nfunction castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return (!start && end >= length) ? array : baseSlice(array, start, end);\n}\n\nmodule.exports = castSlice;\n","var Uint8Array = require('./_Uint8Array');\n\n/**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\nfunction cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n}\n\nmodule.exports = cloneArrayBuffer;\n","var root = require('./_root');\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Built-in value references. */\nvar Buffer = moduleExports ? root.Buffer : undefined,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined;\n\n/**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\nfunction cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n}\n\nmodule.exports = cloneBuffer;\n","var cloneArrayBuffer = require('./_cloneArrayBuffer');\n\n/**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\nfunction cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n}\n\nmodule.exports = cloneDataView;\n","/** Used to match `RegExp` flags from their coerced string values. */\nvar reFlags = /\\w*$/;\n\n/**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\nfunction cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n}\n\nmodule.exports = cloneRegExp;\n","var Symbol = require('./_Symbol');\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;\n\n/**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\nfunction cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n}\n\nmodule.exports = cloneSymbol;\n","var cloneArrayBuffer = require('./_cloneArrayBuffer');\n\n/**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\nfunction cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n}\n\nmodule.exports = cloneTypedArray;\n","/**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\nfunction copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n}\n\nmodule.exports = copyArray;\n","var assignValue = require('./_assignValue'),\n baseAssignValue = require('./_baseAssignValue');\n\n/**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\nfunction copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n}\n\nmodule.exports = copyObject;\n","var copyObject = require('./_copyObject'),\n getSymbols = require('./_getSymbols');\n\n/**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\nfunction copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n}\n\nmodule.exports = copySymbols;\n","var copyObject = require('./_copyObject'),\n getSymbolsIn = require('./_getSymbolsIn');\n\n/**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\nfunction copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n}\n\nmodule.exports = copySymbolsIn;\n","var root = require('./_root');\n\n/** Used to detect overreaching core-js shims. */\nvar coreJsData = root['__core-js_shared__'];\n\nmodule.exports = coreJsData;\n","/**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\nfunction createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n}\n\nmodule.exports = createBaseFor;\n","var castSlice = require('./_castSlice'),\n hasUnicode = require('./_hasUnicode'),\n stringToArray = require('./_stringToArray'),\n toString = require('./toString');\n\n/**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\nfunction createCaseFirst(methodName) {\n return function(string) {\n string = toString(string);\n\n var strSymbols = hasUnicode(string)\n ? stringToArray(string)\n : undefined;\n\n var chr = strSymbols\n ? strSymbols[0]\n : string.charAt(0);\n\n var trailing = strSymbols\n ? castSlice(strSymbols, 1).join('')\n : string.slice(1);\n\n return chr[methodName]() + trailing;\n };\n}\n\nmodule.exports = createCaseFirst;\n","var arrayReduce = require('./_arrayReduce'),\n deburr = require('./deburr'),\n words = require('./words');\n\n/** Used to compose unicode capture groups. */\nvar rsApos = \"['\\u2019]\";\n\n/** Used to match apostrophes. */\nvar reApos = RegExp(rsApos, 'g');\n\n/**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\nfunction createCompounder(callback) {\n return function(string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n}\n\nmodule.exports = createCompounder;\n","var basePropertyOf = require('./_basePropertyOf');\n\n/** Used to map Latin Unicode letters to basic Latin letters. */\nvar deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A', '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n '\\xe0': 'a', '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n '\\xc7': 'C', '\\xe7': 'c',\n '\\xd0': 'D', '\\xf0': 'd',\n '\\xc8': 'E', '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n '\\xe8': 'e', '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n '\\xcc': 'I', '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n '\\xec': 'i', '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n '\\xd1': 'N', '\\xf1': 'n',\n '\\xd2': 'O', '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n '\\xf2': 'o', '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n '\\xd9': 'U', '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n '\\xf9': 'u', '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n '\\xdd': 'Y', '\\xfd': 'y', '\\xff': 'y',\n '\\xc6': 'Ae', '\\xe6': 'ae',\n '\\xde': 'Th', '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n '\\u0100': 'A', '\\u0102': 'A', '\\u0104': 'A',\n '\\u0101': 'a', '\\u0103': 'a', '\\u0105': 'a',\n '\\u0106': 'C', '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n '\\u0107': 'c', '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n '\\u010e': 'D', '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n '\\u0112': 'E', '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n '\\u0113': 'e', '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n '\\u011c': 'G', '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n '\\u011d': 'g', '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n '\\u0124': 'H', '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n '\\u0128': 'I', '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n '\\u0129': 'i', '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n '\\u0134': 'J', '\\u0135': 'j',\n '\\u0136': 'K', '\\u0137': 'k', '\\u0138': 'k',\n '\\u0139': 'L', '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n '\\u013a': 'l', '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n '\\u0143': 'N', '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n '\\u0144': 'n', '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n '\\u014c': 'O', '\\u014e': 'O', '\\u0150': 'O',\n '\\u014d': 'o', '\\u014f': 'o', '\\u0151': 'o',\n '\\u0154': 'R', '\\u0156': 'R', '\\u0158': 'R',\n '\\u0155': 'r', '\\u0157': 'r', '\\u0159': 'r',\n '\\u015a': 'S', '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n '\\u015b': 's', '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n '\\u0162': 'T', '\\u0164': 'T', '\\u0166': 'T',\n '\\u0163': 't', '\\u0165': 't', '\\u0167': 't',\n '\\u0168': 'U', '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n '\\u0169': 'u', '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n '\\u0174': 'W', '\\u0175': 'w',\n '\\u0176': 'Y', '\\u0177': 'y', '\\u0178': 'Y',\n '\\u0179': 'Z', '\\u017b': 'Z', '\\u017d': 'Z',\n '\\u017a': 'z', '\\u017c': 'z', '\\u017e': 'z',\n '\\u0132': 'IJ', '\\u0133': 'ij',\n '\\u0152': 'Oe', '\\u0153': 'oe',\n '\\u0149': \"'n\", '\\u017f': 's'\n};\n\n/**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\nvar deburrLetter = basePropertyOf(deburredLetters);\n\nmodule.exports = deburrLetter;\n","var getNative = require('./_getNative');\n\nvar defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n}());\n\nmodule.exports = defineProperty;\n","var SetCache = require('./_SetCache'),\n arraySome = require('./_arraySome'),\n cacheHas = require('./_cacheHas');\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n\n/**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\nfunction equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n }\n // Check that cyclic values are equal.\n var arrStacked = stack.get(array);\n var othStacked = stack.get(other);\n if (arrStacked && othStacked) {\n return arrStacked == other && othStacked == array;\n }\n var index = -1,\n result = true,\n seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n stack.set(array, other);\n stack.set(other, array);\n\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, arrValue, index, other, array, stack)\n : customizer(arrValue, othValue, index, array, other, stack);\n }\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n result = false;\n break;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (seen) {\n if (!arraySome(other, function(othValue, othIndex) {\n if (!cacheHas(seen, othIndex) &&\n (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(\n arrValue === othValue ||\n equalFunc(arrValue, othValue, bitmask, customizer, stack)\n )) {\n result = false;\n break;\n }\n }\n stack['delete'](array);\n stack['delete'](other);\n return result;\n}\n\nmodule.exports = equalArrays;\n","var Symbol = require('./_Symbol'),\n Uint8Array = require('./_Uint8Array'),\n eq = require('./eq'),\n equalArrays = require('./_equalArrays'),\n mapToArray = require('./_mapToArray'),\n setToArray = require('./_setToArray');\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n\n/** `Object#toString` result references. */\nvar boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n errorTag = '[object Error]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]';\n\n/** Used to convert symbols to primitives and strings. */\nvar symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;\n\n/**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if ((object.byteLength != other.byteLength) ||\n (object.byteOffset != other.byteOffset)) {\n return false;\n }\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if ((object.byteLength != other.byteLength) ||\n !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == (other + '');\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked) {\n return stacked == other;\n }\n bitmask |= COMPARE_UNORDERED_FLAG;\n\n // Recursively compare objects (susceptible to call stack limits).\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n }\n return false;\n}\n\nmodule.exports = equalByTag;\n","var getAllKeys = require('./_getAllKeys');\n\n/** Used to compose bitmasks for value comparisons. */\nvar COMPARE_PARTIAL_FLAG = 1;\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\nfunction equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n // Check that cyclic values are equal.\n var objStacked = stack.get(object);\n var othStacked = stack.get(other);\n if (objStacked && othStacked) {\n return objStacked == other && othStacked == object;\n }\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n\n var skipCtor = isPartial;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, objValue, key, other, object, stack)\n : customizer(objValue, othValue, key, object, other, stack);\n }\n // Recursively compare objects (susceptible to call stack limits).\n if (!(compared === undefined\n ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n : compared\n )) {\n result = false;\n break;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n stack['delete'](object);\n stack['delete'](other);\n return result;\n}\n\nmodule.exports = equalObjects;\n","/** Detect free variable `global` from Node.js. */\nvar freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\nmodule.exports = freeGlobal;\n","var baseGetAllKeys = require('./_baseGetAllKeys'),\n getSymbols = require('./_getSymbols'),\n keys = require('./keys');\n\n/**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n}\n\nmodule.exports = getAllKeys;\n","var baseGetAllKeys = require('./_baseGetAllKeys'),\n getSymbolsIn = require('./_getSymbolsIn'),\n keysIn = require('./keysIn');\n\n/**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\nfunction getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n}\n\nmodule.exports = getAllKeysIn;\n","var isKeyable = require('./_isKeyable');\n\n/**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\nfunction getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n}\n\nmodule.exports = getMapData;\n","var isStrictComparable = require('./_isStrictComparable'),\n keys = require('./keys');\n\n/**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\nfunction getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n\n result[length] = [key, value, isStrictComparable(value)];\n }\n return result;\n}\n\nmodule.exports = getMatchData;\n","var baseIsNative = require('./_baseIsNative'),\n getValue = require('./_getValue');\n\n/**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\nfunction getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n}\n\nmodule.exports = getNative;\n","var overArg = require('./_overArg');\n\n/** Built-in value references. */\nvar getPrototype = overArg(Object.getPrototypeOf, Object);\n\nmodule.exports = getPrototype;\n","var Symbol = require('./_Symbol');\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/** Built-in value references. */\nvar symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n/**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\nfunction getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n}\n\nmodule.exports = getRawTag;\n","var arrayFilter = require('./_arrayFilter'),\n stubArray = require('./stubArray');\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Built-in value references. */\nvar propertyIsEnumerable = objectProto.propertyIsEnumerable;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeGetSymbols = Object.getOwnPropertySymbols;\n\n/**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\nvar getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n if (object == null) {\n return [];\n }\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function(symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n};\n\nmodule.exports = getSymbols;\n","var arrayPush = require('./_arrayPush'),\n getPrototype = require('./_getPrototype'),\n getSymbols = require('./_getSymbols'),\n stubArray = require('./stubArray');\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeGetSymbols = Object.getOwnPropertySymbols;\n\n/**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\nvar getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n var result = [];\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n return result;\n};\n\nmodule.exports = getSymbolsIn;\n","var DataView = require('./_DataView'),\n Map = require('./_Map'),\n Promise = require('./_Promise'),\n Set = require('./_Set'),\n WeakMap = require('./_WeakMap'),\n baseGetTag = require('./_baseGetTag'),\n toSource = require('./_toSource');\n\n/** `Object#toString` result references. */\nvar mapTag = '[object Map]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n setTag = '[object Set]',\n weakMapTag = '[object WeakMap]';\n\nvar dataViewTag = '[object DataView]';\n\n/** Used to detect maps, sets, and weakmaps. */\nvar dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n\n/**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nvar getTag = baseGetTag;\n\n// Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\nif ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n (Map && getTag(new Map) != mapTag) ||\n (Promise && getTag(Promise.resolve()) != promiseTag) ||\n (Set && getTag(new Set) != setTag) ||\n (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n getTag = function(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString: return dataViewTag;\n case mapCtorString: return mapTag;\n case promiseCtorString: return promiseTag;\n case setCtorString: return setTag;\n case weakMapCtorString: return weakMapTag;\n }\n }\n return result;\n };\n}\n\nmodule.exports = getTag;\n","/**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\nfunction getValue(object, key) {\n return object == null ? undefined : object[key];\n}\n\nmodule.exports = getValue;\n","var castPath = require('./_castPath'),\n isArguments = require('./isArguments'),\n isArray = require('./isArray'),\n isIndex = require('./_isIndex'),\n isLength = require('./isLength'),\n toKey = require('./_toKey');\n\n/**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\nfunction hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n object = object[key];\n }\n if (result || ++index != length) {\n return result;\n }\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) &&\n (isArray(object) || isArguments(object));\n}\n\nmodule.exports = hasPath;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsZWJ = '\\\\u200d';\n\n/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\nvar reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n\n/**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\nfunction hasUnicode(string) {\n return reHasUnicode.test(string);\n}\n\nmodule.exports = hasUnicode;\n","/** Used to detect strings that need a more robust regexp to match words. */\nvar reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n/**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\nfunction hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n}\n\nmodule.exports = hasUnicodeWord;\n","var nativeCreate = require('./_nativeCreate');\n\n/**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\nfunction hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n}\n\nmodule.exports = hashClear;\n","/**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n}\n\nmodule.exports = hashDelete;\n","var nativeCreate = require('./_nativeCreate');\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n}\n\nmodule.exports = hashGet;\n","var nativeCreate = require('./_nativeCreate');\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n}\n\nmodule.exports = hashHas;\n","var nativeCreate = require('./_nativeCreate');\n\n/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\nfunction hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n}\n\nmodule.exports = hashSet;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\nfunction initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length);\n\n // Add properties assigned by `RegExp#exec`.\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n return result;\n}\n\nmodule.exports = initCloneArray;\n","var cloneArrayBuffer = require('./_cloneArrayBuffer'),\n cloneDataView = require('./_cloneDataView'),\n cloneRegExp = require('./_cloneRegExp'),\n cloneSymbol = require('./_cloneSymbol'),\n cloneTypedArray = require('./_cloneTypedArray');\n\n/** `Object#toString` result references. */\nvar boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]';\n\nvar arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n/**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\nfunction initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag: case float64Tag:\n case int8Tag: case int16Tag: case int32Tag:\n case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor;\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor;\n\n case symbolTag:\n return cloneSymbol(object);\n }\n}\n\nmodule.exports = initCloneByTag;\n","var baseCreate = require('./_baseCreate'),\n getPrototype = require('./_getPrototype'),\n isPrototype = require('./_isPrototype');\n\n/**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\nfunction initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n}\n\nmodule.exports = initCloneObject;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/** Used to detect unsigned integer values. */\nvar reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n/**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\nfunction isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n}\n\nmodule.exports = isIndex;\n","var isArray = require('./isArray'),\n isSymbol = require('./isSymbol');\n\n/** Used to match property names within property paths. */\nvar reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/;\n\n/**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\nfunction isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n}\n\nmodule.exports = isKey;\n","/**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\nfunction isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n}\n\nmodule.exports = isKeyable;\n","var coreJsData = require('./_coreJsData');\n\n/** Used to detect methods masquerading as native. */\nvar maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n}());\n\n/**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\nfunction isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n}\n\nmodule.exports = isMasked;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\nfunction isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n}\n\nmodule.exports = isPrototype;\n","var isObject = require('./isObject');\n\n/**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\nfunction isStrictComparable(value) {\n return value === value && !isObject(value);\n}\n\nmodule.exports = isStrictComparable;\n","/**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n return result;\n}\n\nmodule.exports = iteratorToArray;\n","/**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\nfunction listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n}\n\nmodule.exports = listCacheClear;\n","var assocIndexOf = require('./_assocIndexOf');\n\n/** Used for built-in method references. */\nvar arrayProto = Array.prototype;\n\n/** Built-in value references. */\nvar splice = arrayProto.splice;\n\n/**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n}\n\nmodule.exports = listCacheDelete;\n","var assocIndexOf = require('./_assocIndexOf');\n\n/**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n}\n\nmodule.exports = listCacheGet;\n","var assocIndexOf = require('./_assocIndexOf');\n\n/**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n}\n\nmodule.exports = listCacheHas;\n","var assocIndexOf = require('./_assocIndexOf');\n\n/**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\nfunction listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n}\n\nmodule.exports = listCacheSet;\n","var Hash = require('./_Hash'),\n ListCache = require('./_ListCache'),\n Map = require('./_Map');\n\n/**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\nfunction mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n}\n\nmodule.exports = mapCacheClear;\n","var getMapData = require('./_getMapData');\n\n/**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n}\n\nmodule.exports = mapCacheDelete;\n","var getMapData = require('./_getMapData');\n\n/**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction mapCacheGet(key) {\n return getMapData(this, key).get(key);\n}\n\nmodule.exports = mapCacheGet;\n","var getMapData = require('./_getMapData');\n\n/**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction mapCacheHas(key) {\n return getMapData(this, key).has(key);\n}\n\nmodule.exports = mapCacheHas;\n","var getMapData = require('./_getMapData');\n\n/**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\nfunction mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n}\n\nmodule.exports = mapCacheSet;\n","/**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\nfunction mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n\n map.forEach(function(value, key) {\n result[++index] = [key, value];\n });\n return result;\n}\n\nmodule.exports = mapToArray;\n","/**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\nfunction matchesStrictComparable(key, srcValue) {\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === srcValue &&\n (srcValue !== undefined || (key in Object(object)));\n };\n}\n\nmodule.exports = matchesStrictComparable;\n","var memoize = require('./memoize');\n\n/** Used as the maximum memoize cache size. */\nvar MAX_MEMOIZE_SIZE = 500;\n\n/**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\nfunction memoizeCapped(func) {\n var result = memoize(func, function(key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n return key;\n });\n\n var cache = result.cache;\n return result;\n}\n\nmodule.exports = memoizeCapped;\n","var getNative = require('./_getNative');\n\n/* Built-in method references that are verified to be native. */\nvar nativeCreate = getNative(Object, 'create');\n\nmodule.exports = nativeCreate;\n","var overArg = require('./_overArg');\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeKeys = overArg(Object.keys, Object);\n\nmodule.exports = nativeKeys;\n","/**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\nfunction nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n}\n\nmodule.exports = nativeKeysIn;\n","var freeGlobal = require('./_freeGlobal');\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Detect free variable `process` from Node.js. */\nvar freeProcess = moduleExports && freeGlobal.process;\n\n/** Used to access faster Node.js helpers. */\nvar nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n}());\n\nmodule.exports = nodeUtil;\n","/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n return nativeObjectToString.call(value);\n}\n\nmodule.exports = objectToString;\n","/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n}\n\nmodule.exports = overArg;\n","var freeGlobal = require('./_freeGlobal');\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = freeGlobal || freeSelf || Function('return this')();\n\nmodule.exports = root;\n","/** Used to stand-in for `undefined` hash values. */\nvar HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n/**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\nfunction setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n return this;\n}\n\nmodule.exports = setCacheAdd;\n","/**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\nfunction setCacheHas(value) {\n return this.__data__.has(value);\n}\n\nmodule.exports = setCacheHas;\n","/**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\nfunction setToArray(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = value;\n });\n return result;\n}\n\nmodule.exports = setToArray;\n","var ListCache = require('./_ListCache');\n\n/**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\nfunction stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n}\n\nmodule.exports = stackClear;\n","/**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\nfunction stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n}\n\nmodule.exports = stackDelete;\n","/**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\nfunction stackGet(key) {\n return this.__data__.get(key);\n}\n\nmodule.exports = stackGet;\n","/**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\nfunction stackHas(key) {\n return this.__data__.has(key);\n}\n\nmodule.exports = stackHas;\n","var ListCache = require('./_ListCache'),\n Map = require('./_Map'),\n MapCache = require('./_MapCache');\n\n/** Used as the size to enable large array optimizations. */\nvar LARGE_ARRAY_SIZE = 200;\n\n/**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\nfunction stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n}\n\nmodule.exports = stackSet;\n","var asciiToArray = require('./_asciiToArray'),\n hasUnicode = require('./_hasUnicode'),\n unicodeToArray = require('./_unicodeToArray');\n\n/**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction stringToArray(string) {\n return hasUnicode(string)\n ? unicodeToArray(string)\n : asciiToArray(string);\n}\n\nmodule.exports = stringToArray;\n","var memoizeCapped = require('./_memoizeCapped');\n\n/** Used to match property names within property paths. */\nvar rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n/** Used to match backslashes in property paths. */\nvar reEscapeChar = /\\\\(\\\\)?/g;\n\n/**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\nvar stringToPath = memoizeCapped(function(string) {\n var result = [];\n if (string.charCodeAt(0) === 46 /* . */) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n});\n\nmodule.exports = stringToPath;\n","var isSymbol = require('./isSymbol');\n\n/** Used as references for various `Number` constants. */\nvar INFINITY = 1 / 0;\n\n/**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\nfunction toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n}\n\nmodule.exports = toKey;\n","/** Used for built-in method references. */\nvar funcProto = Function.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\nfunction toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n}\n\nmodule.exports = toSource;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsVarRange = '\\\\ufe0e\\\\ufe0f';\n\n/** Used to compose unicode capture groups. */\nvar rsAstral = '[' + rsAstralRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsZWJ = '\\\\u200d';\n\n/** Used to compose unicode regexes. */\nvar reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n/** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\nvar reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n/**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\nfunction unicodeToArray(string) {\n return string.match(reUnicode) || [];\n}\n\nmodule.exports = unicodeToArray;\n","/** Used to compose unicode character classes. */\nvar rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = '\\\\u2700-\\\\u27bf',\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = '\\\\u2000-\\\\u206f',\n rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = '\\\\ufe0e\\\\ufe0f',\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n/** Used to compose unicode capture groups. */\nvar rsApos = \"['\\u2019]\",\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = '\\\\u200d';\n\n/** Used to compose unicode regexes. */\nvar rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq;\n\n/** Used to match complex or compound words. */\nvar reUnicodeWord = RegExp([\n rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n rsUpper + '+' + rsOptContrUpper,\n rsOrdUpper,\n rsOrdLower,\n rsDigits,\n rsEmoji\n].join('|'), 'g');\n\n/**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\nfunction unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n}\n\nmodule.exports = unicodeWords;\n","var capitalize = require('./capitalize'),\n createCompounder = require('./_createCompounder');\n\n/**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\nvar camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n});\n\nmodule.exports = camelCase;\n","var toString = require('./toString'),\n upperFirst = require('./upperFirst');\n\n/**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\nfunction capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n}\n\nmodule.exports = capitalize;\n","var baseClone = require('./_baseClone');\n\n/** Used to compose bitmasks for cloning. */\nvar CLONE_DEEP_FLAG = 1,\n CLONE_SYMBOLS_FLAG = 4;\n\n/**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\nfunction cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n}\n\nmodule.exports = cloneDeepWith;\n","var deburrLetter = require('./_deburrLetter'),\n toString = require('./toString');\n\n/** Used to match Latin Unicode letters (excluding mathematical operators). */\nvar reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n/** Used to compose unicode character classes. */\nvar rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange;\n\n/** Used to compose unicode capture groups. */\nvar rsCombo = '[' + rsComboRange + ']';\n\n/**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\nvar reComboMark = RegExp(rsCombo, 'g');\n\n/**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\nfunction deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n}\n\nmodule.exports = deburr;\n","/**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\nfunction eq(value, other) {\n return value === other || (value !== value && other !== other);\n}\n\nmodule.exports = eq;\n","var baseGet = require('./_baseGet');\n\n/**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\nfunction get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n}\n\nmodule.exports = get;\n","var baseHas = require('./_baseHas'),\n hasPath = require('./_hasPath');\n\n/**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\nfunction has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n}\n\nmodule.exports = has;\n","var baseHasIn = require('./_baseHasIn'),\n hasPath = require('./_hasPath');\n\n/**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\nfunction hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n}\n\nmodule.exports = hasIn;\n","/**\n * This method returns the first argument it receives.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Util\n * @param {*} value Any value.\n * @returns {*} Returns `value`.\n * @example\n *\n * var object = { 'a': 1 };\n *\n * console.log(_.identity(object) === object);\n * // => true\n */\nfunction identity(value) {\n return value;\n}\n\nmodule.exports = identity;\n","var baseIsArguments = require('./_baseIsArguments'),\n isObjectLike = require('./isObjectLike');\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar hasOwnProperty = objectProto.hasOwnProperty;\n\n/** Built-in value references. */\nvar propertyIsEnumerable = objectProto.propertyIsEnumerable;\n\n/**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\nvar isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n};\n\nmodule.exports = isArguments;\n","/**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\nvar isArray = Array.isArray;\n\nmodule.exports = isArray;\n","var isFunction = require('./isFunction'),\n isLength = require('./isLength');\n\n/**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\nfunction isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n}\n\nmodule.exports = isArrayLike;\n","var root = require('./_root'),\n stubFalse = require('./stubFalse');\n\n/** Detect free variable `exports`. */\nvar freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n/** Detect free variable `module`. */\nvar freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n/** Detect the popular CommonJS extension `module.exports`. */\nvar moduleExports = freeModule && freeModule.exports === freeExports;\n\n/** Built-in value references. */\nvar Buffer = moduleExports ? root.Buffer : undefined;\n\n/* Built-in method references for those with the same name as other `lodash` methods. */\nvar nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined;\n\n/**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\nvar isBuffer = nativeIsBuffer || stubFalse;\n\nmodule.exports = isBuffer;\n","var baseGetTag = require('./_baseGetTag'),\n isObject = require('./isObject');\n\n/** `Object#toString` result references. */\nvar asyncTag = '[object AsyncFunction]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n proxyTag = '[object Proxy]';\n\n/**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\nfunction isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n}\n\nmodule.exports = isFunction;\n","/** Used as references for various `Number` constants. */\nvar MAX_SAFE_INTEGER = 9007199254740991;\n\n/**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\nfunction isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n}\n\nmodule.exports = isLength;\n","var baseIsMap = require('./_baseIsMap'),\n baseUnary = require('./_baseUnary'),\n nodeUtil = require('./_nodeUtil');\n\n/* Node.js helper references. */\nvar nodeIsMap = nodeUtil && nodeUtil.isMap;\n\n/**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\nvar isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\nmodule.exports = isMap;\n","/**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\nfunction isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n}\n\nmodule.exports = isObject;\n","/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n return value != null && typeof value == 'object';\n}\n\nmodule.exports = isObjectLike;\n","var baseIsSet = require('./_baseIsSet'),\n baseUnary = require('./_baseUnary'),\n nodeUtil = require('./_nodeUtil');\n\n/* Node.js helper references. */\nvar nodeIsSet = nodeUtil && nodeUtil.isSet;\n\n/**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\nvar isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\nmodule.exports = isSet;\n","var baseGetTag = require('./_baseGetTag'),\n isArray = require('./isArray'),\n isObjectLike = require('./isObjectLike');\n\n/** `Object#toString` result references. */\nvar stringTag = '[object String]';\n\n/**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\nfunction isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n}\n\nmodule.exports = isString;\n","var baseGetTag = require('./_baseGetTag'),\n isObjectLike = require('./isObjectLike');\n\n/** `Object#toString` result references. */\nvar symbolTag = '[object Symbol]';\n\n/**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\nfunction isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n}\n\nmodule.exports = isSymbol;\n","var baseIsTypedArray = require('./_baseIsTypedArray'),\n baseUnary = require('./_baseUnary'),\n nodeUtil = require('./_nodeUtil');\n\n/* Node.js helper references. */\nvar nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n/**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\nvar isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\nmodule.exports = isTypedArray;\n","var arrayLikeKeys = require('./_arrayLikeKeys'),\n baseKeys = require('./_baseKeys'),\n isArrayLike = require('./isArrayLike');\n\n/**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\nfunction keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n}\n\nmodule.exports = keys;\n","var arrayLikeKeys = require('./_arrayLikeKeys'),\n baseKeysIn = require('./_baseKeysIn'),\n isArrayLike = require('./isArrayLike');\n\n/**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\nfunction keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n}\n\nmodule.exports = keysIn;\n","/**\n * @license\n * Lodash \n * Copyright OpenJS Foundation and other contributors \n * Released under MIT license \n * Based on Underscore.js 1.8.3 \n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n var undefined;\n\n /** Used as the semantic version number. */\n var VERSION = '4.17.21';\n\n /** Used as the size to enable large array optimizations. */\n var LARGE_ARRAY_SIZE = 200;\n\n /** Error message constants. */\n var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n FUNC_ERROR_TEXT = 'Expected a function',\n INVALID_TEMPL_VAR_ERROR_TEXT = 'Invalid `variable` option passed into `_.template`';\n\n /** Used to stand-in for `undefined` hash values. */\n var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n /** Used as the maximum memoize cache size. */\n var MAX_MEMOIZE_SIZE = 500;\n\n /** Used as the internal argument placeholder. */\n var PLACEHOLDER = '__lodash_placeholder__';\n\n /** Used to compose bitmasks for cloning. */\n var CLONE_DEEP_FLAG = 1,\n CLONE_FLAT_FLAG = 2,\n CLONE_SYMBOLS_FLAG = 4;\n\n /** Used to compose bitmasks for value comparisons. */\n var COMPARE_PARTIAL_FLAG = 1,\n COMPARE_UNORDERED_FLAG = 2;\n\n /** Used to compose bitmasks for function metadata. */\n var WRAP_BIND_FLAG = 1,\n WRAP_BIND_KEY_FLAG = 2,\n WRAP_CURRY_BOUND_FLAG = 4,\n WRAP_CURRY_FLAG = 8,\n WRAP_CURRY_RIGHT_FLAG = 16,\n WRAP_PARTIAL_FLAG = 32,\n WRAP_PARTIAL_RIGHT_FLAG = 64,\n WRAP_ARY_FLAG = 128,\n WRAP_REARG_FLAG = 256,\n WRAP_FLIP_FLAG = 512;\n\n /** Used as default options for `_.truncate`. */\n var DEFAULT_TRUNC_LENGTH = 30,\n DEFAULT_TRUNC_OMISSION = '...';\n\n /** Used to detect hot functions by number of calls within a span of milliseconds. */\n var HOT_COUNT = 800,\n HOT_SPAN = 16;\n\n /** Used to indicate the type of lazy iteratees. */\n var LAZY_FILTER_FLAG = 1,\n LAZY_MAP_FLAG = 2,\n LAZY_WHILE_FLAG = 3;\n\n /** Used as references for various `Number` constants. */\n var INFINITY = 1 / 0,\n MAX_SAFE_INTEGER = 9007199254740991,\n MAX_INTEGER = 1.7976931348623157e+308,\n NAN = 0 / 0;\n\n /** Used as references for the maximum length and index of an array. */\n var MAX_ARRAY_LENGTH = 4294967295,\n MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n /** Used to associate wrap methods with their bit flags. */\n var wrapFlags = [\n ['ary', WRAP_ARY_FLAG],\n ['bind', WRAP_BIND_FLAG],\n ['bindKey', WRAP_BIND_KEY_FLAG],\n ['curry', WRAP_CURRY_FLAG],\n ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n ['flip', WRAP_FLIP_FLAG],\n ['partial', WRAP_PARTIAL_FLAG],\n ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n ['rearg', WRAP_REARG_FLAG]\n ];\n\n /** `Object#toString` result references. */\n var argsTag = '[object Arguments]',\n arrayTag = '[object Array]',\n asyncTag = '[object AsyncFunction]',\n boolTag = '[object Boolean]',\n dateTag = '[object Date]',\n domExcTag = '[object DOMException]',\n errorTag = '[object Error]',\n funcTag = '[object Function]',\n genTag = '[object GeneratorFunction]',\n mapTag = '[object Map]',\n numberTag = '[object Number]',\n nullTag = '[object Null]',\n objectTag = '[object Object]',\n promiseTag = '[object Promise]',\n proxyTag = '[object Proxy]',\n regexpTag = '[object RegExp]',\n setTag = '[object Set]',\n stringTag = '[object String]',\n symbolTag = '[object Symbol]',\n undefinedTag = '[object Undefined]',\n weakMapTag = '[object WeakMap]',\n weakSetTag = '[object WeakSet]';\n\n var arrayBufferTag = '[object ArrayBuffer]',\n dataViewTag = '[object DataView]',\n float32Tag = '[object Float32Array]',\n float64Tag = '[object Float64Array]',\n int8Tag = '[object Int8Array]',\n int16Tag = '[object Int16Array]',\n int32Tag = '[object Int32Array]',\n uint8Tag = '[object Uint8Array]',\n uint8ClampedTag = '[object Uint8ClampedArray]',\n uint16Tag = '[object Uint16Array]',\n uint32Tag = '[object Uint32Array]';\n\n /** Used to match empty string literals in compiled template source. */\n var reEmptyStringLeading = /\\b__p \\+= '';/g,\n reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n /** Used to match HTML entities and HTML characters. */\n var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n reUnescapedHtml = /[&<>\"']/g,\n reHasEscapedHtml = RegExp(reEscapedHtml.source),\n reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n /** Used to match template delimiters. */\n var reEscape = /<%-([\\s\\S]+?)%>/g,\n reEvaluate = /<%([\\s\\S]+?)%>/g,\n reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n /** Used to match property names within property paths. */\n var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n reIsPlainProp = /^\\w*$/,\n rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n /**\n * Used to match `RegExp`\n * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n */\n var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n reHasRegExpChar = RegExp(reRegExpChar.source);\n\n /** Used to match leading whitespace. */\n var reTrimStart = /^\\s+/;\n\n /** Used to match a single whitespace character. */\n var reWhitespace = /\\s/;\n\n /** Used to match wrap detail comments. */\n var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n reSplitDetails = /,? & /;\n\n /** Used to match words composed of alphanumeric characters. */\n var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n /**\n * Used to validate the `validate` option in `_.template` variable.\n *\n * Forbids characters which could potentially change the meaning of the function argument definition:\n * - \"(),\" (modification of function parameters)\n * - \"=\" (default value)\n * - \"[]{}\" (destructuring of function parameters)\n * - \"/\" (beginning of a comment)\n * - whitespace\n */\n var reForbiddenIdentifierChars = /[()=,{}\\[\\]\\/\\s]/;\n\n /** Used to match backslashes in property paths. */\n var reEscapeChar = /\\\\(\\\\)?/g;\n\n /**\n * Used to match\n * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n */\n var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n /** Used to match `RegExp` flags from their coerced string values. */\n var reFlags = /\\w*$/;\n\n /** Used to detect bad signed hexadecimal string values. */\n var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n /** Used to detect binary string values. */\n var reIsBinary = /^0b[01]+$/i;\n\n /** Used to detect host constructors (Safari). */\n var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n /** Used to detect octal string values. */\n var reIsOctal = /^0o[0-7]+$/i;\n\n /** Used to detect unsigned integer values. */\n var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n /** Used to match Latin Unicode letters (excluding mathematical operators). */\n var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n /** Used to ensure capturing order of template delimiters. */\n var reNoMatch = /($^)/;\n\n /** Used to match unescaped characters in compiled string literals. */\n var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n /** Used to compose unicode character classes. */\n var rsAstralRange = '\\\\ud800-\\\\udfff',\n rsComboMarksRange = '\\\\u0300-\\\\u036f',\n reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n rsDingbatRange = '\\\\u2700-\\\\u27bf',\n rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n rsPunctuationRange = '\\\\u2000-\\\\u206f',\n rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n rsVarRange = '\\\\ufe0e\\\\ufe0f',\n rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n /** Used to compose unicode capture groups. */\n var rsApos = \"['\\u2019]\",\n rsAstral = '[' + rsAstralRange + ']',\n rsBreak = '[' + rsBreakRange + ']',\n rsCombo = '[' + rsComboRange + ']',\n rsDigits = '\\\\d+',\n rsDingbat = '[' + rsDingbatRange + ']',\n rsLower = '[' + rsLowerRange + ']',\n rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n rsNonAstral = '[^' + rsAstralRange + ']',\n rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n rsUpper = '[' + rsUpperRange + ']',\n rsZWJ = '\\\\u200d';\n\n /** Used to compose unicode regexes. */\n var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n reOptMod = rsModifier + '?',\n rsOptVar = '[' + rsVarRange + ']?',\n rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n rsSeq = rsOptVar + reOptMod + rsOptJoin,\n rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n /** Used to match apostrophes. */\n var reApos = RegExp(rsApos, 'g');\n\n /**\n * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n */\n var reComboMark = RegExp(rsCombo, 'g');\n\n /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n /** Used to match complex or compound words. */\n var reUnicodeWord = RegExp([\n rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n rsUpper + '+' + rsOptContrUpper,\n rsOrdUpper,\n rsOrdLower,\n rsDigits,\n rsEmoji\n ].join('|'), 'g');\n\n /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');\n\n /** Used to detect strings that need a more robust regexp to match words. */\n var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n /** Used to assign default `context` object properties. */\n var contextProps = [\n 'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n 'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n 'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n 'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n ];\n\n /** Used to make template sourceURLs easier to identify. */\n var templateCounter = -1;\n\n /** Used to identify `toStringTag` values of typed arrays. */\n var typedArrayTags = {};\n typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n typedArrayTags[uint32Tag] = true;\n typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n typedArrayTags[setTag] = typedArrayTags[stringTag] =\n typedArrayTags[weakMapTag] = false;\n\n /** Used to identify `toStringTag` values supported by `_.clone`. */\n var cloneableTags = {};\n cloneableTags[argsTag] = cloneableTags[arrayTag] =\n cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n cloneableTags[boolTag] = cloneableTags[dateTag] =\n cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n cloneableTags[int32Tag] = cloneableTags[mapTag] =\n cloneableTags[numberTag] = cloneableTags[objectTag] =\n cloneableTags[regexpTag] = cloneableTags[setTag] =\n cloneableTags[stringTag] = cloneableTags[symbolTag] =\n cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n cloneableTags[errorTag] = cloneableTags[funcTag] =\n cloneableTags[weakMapTag] = false;\n\n /** Used to map Latin Unicode letters to basic Latin letters. */\n var deburredLetters = {\n // Latin-1 Supplement block.\n '\\xc0': 'A', '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n '\\xe0': 'a', '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n '\\xc7': 'C', '\\xe7': 'c',\n '\\xd0': 'D', '\\xf0': 'd',\n '\\xc8': 'E', '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n '\\xe8': 'e', '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n '\\xcc': 'I', '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n '\\xec': 'i', '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n '\\xd1': 'N', '\\xf1': 'n',\n '\\xd2': 'O', '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n '\\xf2': 'o', '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n '\\xd9': 'U', '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n '\\xf9': 'u', '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n '\\xdd': 'Y', '\\xfd': 'y', '\\xff': 'y',\n '\\xc6': 'Ae', '\\xe6': 'ae',\n '\\xde': 'Th', '\\xfe': 'th',\n '\\xdf': 'ss',\n // Latin Extended-A block.\n '\\u0100': 'A', '\\u0102': 'A', '\\u0104': 'A',\n '\\u0101': 'a', '\\u0103': 'a', '\\u0105': 'a',\n '\\u0106': 'C', '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n '\\u0107': 'c', '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n '\\u010e': 'D', '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n '\\u0112': 'E', '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n '\\u0113': 'e', '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n '\\u011c': 'G', '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n '\\u011d': 'g', '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n '\\u0124': 'H', '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n '\\u0128': 'I', '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n '\\u0129': 'i', '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n '\\u0134': 'J', '\\u0135': 'j',\n '\\u0136': 'K', '\\u0137': 'k', '\\u0138': 'k',\n '\\u0139': 'L', '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n '\\u013a': 'l', '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n '\\u0143': 'N', '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n '\\u0144': 'n', '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n '\\u014c': 'O', '\\u014e': 'O', '\\u0150': 'O',\n '\\u014d': 'o', '\\u014f': 'o', '\\u0151': 'o',\n '\\u0154': 'R', '\\u0156': 'R', '\\u0158': 'R',\n '\\u0155': 'r', '\\u0157': 'r', '\\u0159': 'r',\n '\\u015a': 'S', '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n '\\u015b': 's', '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n '\\u0162': 'T', '\\u0164': 'T', '\\u0166': 'T',\n '\\u0163': 't', '\\u0165': 't', '\\u0167': 't',\n '\\u0168': 'U', '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n '\\u0169': 'u', '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n '\\u0174': 'W', '\\u0175': 'w',\n '\\u0176': 'Y', '\\u0177': 'y', '\\u0178': 'Y',\n '\\u0179': 'Z', '\\u017b': 'Z', '\\u017d': 'Z',\n '\\u017a': 'z', '\\u017c': 'z', '\\u017e': 'z',\n '\\u0132': 'IJ', '\\u0133': 'ij',\n '\\u0152': 'Oe', '\\u0153': 'oe',\n '\\u0149': \"'n\", '\\u017f': 's'\n };\n\n /** Used to map characters to HTML entities. */\n var htmlEscapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '\"': '"',\n \"'\": '''\n };\n\n /** Used to map HTML entities to characters. */\n var htmlUnescapes = {\n '&': '&',\n '<': '<',\n '>': '>',\n '"': '\"',\n ''': \"'\"\n };\n\n /** Used to escape characters for inclusion in compiled string literals. */\n var stringEscapes = {\n '\\\\': '\\\\',\n \"'\": \"'\",\n '\\n': 'n',\n '\\r': 'r',\n '\\u2028': 'u2028',\n '\\u2029': 'u2029'\n };\n\n /** Built-in method references without a dependency on `root`. */\n var freeParseFloat = parseFloat,\n freeParseInt = parseInt;\n\n /** Detect free variable `global` from Node.js. */\n var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n /** Detect free variable `self`. */\n var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n /** Used as a reference to the global object. */\n var root = freeGlobal || freeSelf || Function('return this')();\n\n /** Detect free variable `exports`. */\n var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n /** Detect free variable `module`. */\n var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n /** Detect the popular CommonJS extension `module.exports`. */\n var moduleExports = freeModule && freeModule.exports === freeExports;\n\n /** Detect free variable `process` from Node.js. */\n var freeProcess = moduleExports && freeGlobal.process;\n\n /** Used to access faster Node.js helpers. */\n var nodeUtil = (function() {\n try {\n // Use `util.types` for Node.js 10+.\n var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n if (types) {\n return types;\n }\n\n // Legacy `process.binding('util')` for Node.js < 10.\n return freeProcess && freeProcess.binding && freeProcess.binding('util');\n } catch (e) {}\n }());\n\n /* Node.js helper references. */\n var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n nodeIsDate = nodeUtil && nodeUtil.isDate,\n nodeIsMap = nodeUtil && nodeUtil.isMap,\n nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n nodeIsSet = nodeUtil && nodeUtil.isSet,\n nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * A faster alternative to `Function#apply`, this function invokes `func`\n * with the `this` binding of `thisArg` and the arguments of `args`.\n *\n * @private\n * @param {Function} func The function to invoke.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} args The arguments to invoke `func` with.\n * @returns {*} Returns the result of `func`.\n */\n function apply(func, thisArg, args) {\n switch (args.length) {\n case 0: return func.call(thisArg);\n case 1: return func.call(thisArg, args[0]);\n case 2: return func.call(thisArg, args[0], args[1]);\n case 3: return func.call(thisArg, args[0], args[1], args[2]);\n }\n return func.apply(thisArg, args);\n }\n\n /**\n * A specialized version of `baseAggregator` for arrays.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function arrayAggregator(array, setter, iteratee, accumulator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n var value = array[index];\n setter(accumulator, value, iteratee(value), array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.forEach` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEach(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (iteratee(array[index], index, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.forEachRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns `array`.\n */\n function arrayEachRight(array, iteratee) {\n var length = array == null ? 0 : array.length;\n\n while (length--) {\n if (iteratee(array[length], length, array) === false) {\n break;\n }\n }\n return array;\n }\n\n /**\n * A specialized version of `_.every` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n */\n function arrayEvery(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (!predicate(array[index], index, array)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * A specialized version of `_.filter` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function arrayFilter(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.includes` for arrays without support for\n * specifying an index to search from.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludes(array, value) {\n var length = array == null ? 0 : array.length;\n return !!length && baseIndexOf(array, value, 0) > -1;\n }\n\n /**\n * This function is like `arrayIncludes` except that it accepts a comparator.\n *\n * @private\n * @param {Array} [array] The array to inspect.\n * @param {*} target The value to search for.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {boolean} Returns `true` if `target` is found, else `false`.\n */\n function arrayIncludesWith(array, value, comparator) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (comparator(value, array[index])) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `_.map` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function arrayMap(array, iteratee) {\n var index = -1,\n length = array == null ? 0 : array.length,\n result = Array(length);\n\n while (++index < length) {\n result[index] = iteratee(array[index], index, array);\n }\n return result;\n }\n\n /**\n * Appends the elements of `values` to `array`.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to append.\n * @returns {Array} Returns `array`.\n */\n function arrayPush(array, values) {\n var index = -1,\n length = values.length,\n offset = array.length;\n\n while (++index < length) {\n array[offset + index] = values[index];\n }\n return array;\n }\n\n /**\n * A specialized version of `_.reduce` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the first element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduce(array, iteratee, accumulator, initAccum) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n if (initAccum && length) {\n accumulator = array[++index];\n }\n while (++index < length) {\n accumulator = iteratee(accumulator, array[index], index, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.reduceRight` for arrays without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @param {boolean} [initAccum] Specify using the last element of `array` as\n * the initial value.\n * @returns {*} Returns the accumulated value.\n */\n function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n var length = array == null ? 0 : array.length;\n if (initAccum && length) {\n accumulator = array[--length];\n }\n while (length--) {\n accumulator = iteratee(accumulator, array[length], length, array);\n }\n return accumulator;\n }\n\n /**\n * A specialized version of `_.some` for arrays without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} [array] The array to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function arraySome(array, predicate) {\n var index = -1,\n length = array == null ? 0 : array.length;\n\n while (++index < length) {\n if (predicate(array[index], index, array)) {\n return true;\n }\n }\n return false;\n }\n\n /**\n * Gets the size of an ASCII `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n var asciiSize = baseProperty('length');\n\n /**\n * Converts an ASCII `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function asciiToArray(string) {\n return string.split('');\n }\n\n /**\n * Splits an ASCII `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function asciiWords(string) {\n return string.match(reAsciiWord) || [];\n }\n\n /**\n * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n * without support for iteratee shorthands, which iterates over `collection`\n * using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the found element or its key, else `undefined`.\n */\n function baseFindKey(collection, predicate, eachFunc) {\n var result;\n eachFunc(collection, function(value, key, collection) {\n if (predicate(value, key, collection)) {\n result = key;\n return false;\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.findIndex` and `_.findLastIndex` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} predicate The function invoked per iteration.\n * @param {number} fromIndex The index to search from.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseFindIndex(array, predicate, fromIndex, fromRight) {\n var length = array.length,\n index = fromIndex + (fromRight ? 1 : -1);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (predicate(array[index], index, array)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOf(array, value, fromIndex) {\n return value === value\n ? strictIndexOf(array, value, fromIndex)\n : baseFindIndex(array, baseIsNaN, fromIndex);\n }\n\n /**\n * This function is like `baseIndexOf` except that it accepts a comparator.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @param {Function} comparator The comparator invoked per element.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function baseIndexOfWith(array, value, fromIndex, comparator) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (comparator(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * The base implementation of `_.isNaN` without support for number objects.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n */\n function baseIsNaN(value) {\n return value !== value;\n }\n\n /**\n * The base implementation of `_.mean` and `_.meanBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the mean.\n */\n function baseMean(array, iteratee) {\n var length = array == null ? 0 : array.length;\n return length ? (baseSum(array, iteratee) / length) : NAN;\n }\n\n /**\n * The base implementation of `_.property` without support for deep paths.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function baseProperty(key) {\n return function(object) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.propertyOf` without support for deep paths.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyOf(object) {\n return function(key) {\n return object == null ? undefined : object[key];\n };\n }\n\n /**\n * The base implementation of `_.reduce` and `_.reduceRight`, without support\n * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {*} accumulator The initial value.\n * @param {boolean} initAccum Specify using the first or last element of\n * `collection` as the initial value.\n * @param {Function} eachFunc The function to iterate over `collection`.\n * @returns {*} Returns the accumulated value.\n */\n function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n eachFunc(collection, function(value, index, collection) {\n accumulator = initAccum\n ? (initAccum = false, value)\n : iteratee(accumulator, value, index, collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.sortBy` which uses `comparer` to define the\n * sort order of `array` and replaces criteria objects with their corresponding\n * values.\n *\n * @private\n * @param {Array} array The array to sort.\n * @param {Function} comparer The function to define sort order.\n * @returns {Array} Returns `array`.\n */\n function baseSortBy(array, comparer) {\n var length = array.length;\n\n array.sort(comparer);\n while (length--) {\n array[length] = array[length].value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.sum` and `_.sumBy` without support for\n * iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {number} Returns the sum.\n */\n function baseSum(array, iteratee) {\n var result,\n index = -1,\n length = array.length;\n\n while (++index < length) {\n var current = iteratee(array[index]);\n if (current !== undefined) {\n result = result === undefined ? current : (result + current);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.times` without support for iteratee shorthands\n * or max array length checks.\n *\n * @private\n * @param {number} n The number of times to invoke `iteratee`.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the array of results.\n */\n function baseTimes(n, iteratee) {\n var index = -1,\n result = Array(n);\n\n while (++index < n) {\n result[index] = iteratee(index);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n * of key-value pairs for `object` corresponding to the property names of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the key-value pairs.\n */\n function baseToPairs(object, props) {\n return arrayMap(props, function(key) {\n return [key, object[key]];\n });\n }\n\n /**\n * The base implementation of `_.trim`.\n *\n * @private\n * @param {string} string The string to trim.\n * @returns {string} Returns the trimmed string.\n */\n function baseTrim(string) {\n return string\n ? string.slice(0, trimmedEndIndex(string) + 1).replace(reTrimStart, '')\n : string;\n }\n\n /**\n * The base implementation of `_.unary` without support for storing metadata.\n *\n * @private\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n */\n function baseUnary(func) {\n return function(value) {\n return func(value);\n };\n }\n\n /**\n * The base implementation of `_.values` and `_.valuesIn` which creates an\n * array of `object` property values corresponding to the property names\n * of `props`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} props The property names to get values for.\n * @returns {Object} Returns the array of property values.\n */\n function baseValues(object, props) {\n return arrayMap(props, function(key) {\n return object[key];\n });\n }\n\n /**\n * Checks if a `cache` value for `key` exists.\n *\n * @private\n * @param {Object} cache The cache to query.\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function cacheHas(cache, key) {\n return cache.has(key);\n }\n\n /**\n * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the first unmatched string symbol.\n */\n function charsStartIndex(strSymbols, chrSymbols) {\n var index = -1,\n length = strSymbols.length;\n\n while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n * that is not found in the character symbols.\n *\n * @private\n * @param {Array} strSymbols The string symbols to inspect.\n * @param {Array} chrSymbols The character symbols to find.\n * @returns {number} Returns the index of the last unmatched string symbol.\n */\n function charsEndIndex(strSymbols, chrSymbols) {\n var index = strSymbols.length;\n\n while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n return index;\n }\n\n /**\n * Gets the number of `placeholder` occurrences in `array`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} placeholder The placeholder to search for.\n * @returns {number} Returns the placeholder count.\n */\n function countHolders(array, placeholder) {\n var length = array.length,\n result = 0;\n\n while (length--) {\n if (array[length] === placeholder) {\n ++result;\n }\n }\n return result;\n }\n\n /**\n * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n * letters to basic Latin letters.\n *\n * @private\n * @param {string} letter The matched letter to deburr.\n * @returns {string} Returns the deburred letter.\n */\n var deburrLetter = basePropertyOf(deburredLetters);\n\n /**\n * Used by `_.escape` to convert characters to HTML entities.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n /**\n * Used by `_.template` to escape characters for inclusion in compiled string literals.\n *\n * @private\n * @param {string} chr The matched character to escape.\n * @returns {string} Returns the escaped character.\n */\n function escapeStringChar(chr) {\n return '\\\\' + stringEscapes[chr];\n }\n\n /**\n * Gets the value at `key` of `object`.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function getValue(object, key) {\n return object == null ? undefined : object[key];\n }\n\n /**\n * Checks if `string` contains Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n */\n function hasUnicode(string) {\n return reHasUnicode.test(string);\n }\n\n /**\n * Checks if `string` contains a word composed of Unicode symbols.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {boolean} Returns `true` if a word is found, else `false`.\n */\n function hasUnicodeWord(string) {\n return reHasUnicodeWord.test(string);\n }\n\n /**\n * Converts `iterator` to an array.\n *\n * @private\n * @param {Object} iterator The iterator to convert.\n * @returns {Array} Returns the converted array.\n */\n function iteratorToArray(iterator) {\n var data,\n result = [];\n\n while (!(data = iterator.next()).done) {\n result.push(data.value);\n }\n return result;\n }\n\n /**\n * Converts `map` to its key-value pairs.\n *\n * @private\n * @param {Object} map The map to convert.\n * @returns {Array} Returns the key-value pairs.\n */\n function mapToArray(map) {\n var index = -1,\n result = Array(map.size);\n\n map.forEach(function(value, key) {\n result[++index] = [key, value];\n });\n return result;\n }\n\n /**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\n function overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n }\n\n /**\n * Replaces all `placeholder` elements in `array` with an internal placeholder\n * and returns an array of their indexes.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {*} placeholder The placeholder to replace.\n * @returns {Array} Returns the new array of placeholder indexes.\n */\n function replaceHolders(array, placeholder) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value === placeholder || value === PLACEHOLDER) {\n array[index] = PLACEHOLDER;\n result[resIndex++] = index;\n }\n }\n return result;\n }\n\n /**\n * Converts `set` to an array of its values.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the values.\n */\n function setToArray(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = value;\n });\n return result;\n }\n\n /**\n * Converts `set` to its value-value pairs.\n *\n * @private\n * @param {Object} set The set to convert.\n * @returns {Array} Returns the value-value pairs.\n */\n function setToPairs(set) {\n var index = -1,\n result = Array(set.size);\n\n set.forEach(function(value) {\n result[++index] = [value, value];\n });\n return result;\n }\n\n /**\n * A specialized version of `_.indexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictIndexOf(array, value, fromIndex) {\n var index = fromIndex - 1,\n length = array.length;\n\n while (++index < length) {\n if (array[index] === value) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * A specialized version of `_.lastIndexOf` which performs strict equality\n * comparisons of values, i.e. `===`.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} fromIndex The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function strictLastIndexOf(array, value, fromIndex) {\n var index = fromIndex + 1;\n while (index--) {\n if (array[index] === value) {\n return index;\n }\n }\n return index;\n }\n\n /**\n * Gets the number of symbols in `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the string size.\n */\n function stringSize(string) {\n return hasUnicode(string)\n ? unicodeSize(string)\n : asciiSize(string);\n }\n\n /**\n * Converts `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function stringToArray(string) {\n return hasUnicode(string)\n ? unicodeToArray(string)\n : asciiToArray(string);\n }\n\n /**\n * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace\n * character of `string`.\n *\n * @private\n * @param {string} string The string to inspect.\n * @returns {number} Returns the index of the last non-whitespace character.\n */\n function trimmedEndIndex(string) {\n var index = string.length;\n\n while (index-- && reWhitespace.test(string.charAt(index))) {}\n return index;\n }\n\n /**\n * Used by `_.unescape` to convert HTML entities to characters.\n *\n * @private\n * @param {string} chr The matched character to unescape.\n * @returns {string} Returns the unescaped character.\n */\n var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n /**\n * Gets the size of a Unicode `string`.\n *\n * @private\n * @param {string} string The string inspect.\n * @returns {number} Returns the string size.\n */\n function unicodeSize(string) {\n var result = reUnicode.lastIndex = 0;\n while (reUnicode.test(string)) {\n ++result;\n }\n return result;\n }\n\n /**\n * Converts a Unicode `string` to an array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the converted array.\n */\n function unicodeToArray(string) {\n return string.match(reUnicode) || [];\n }\n\n /**\n * Splits a Unicode `string` into an array of its words.\n *\n * @private\n * @param {string} The string to inspect.\n * @returns {Array} Returns the words of `string`.\n */\n function unicodeWords(string) {\n return string.match(reUnicodeWord) || [];\n }\n\n /*--------------------------------------------------------------------------*/\n\n /**\n * Create a new pristine `lodash` function using the `context` object.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Util\n * @param {Object} [context=root] The context object.\n * @returns {Function} Returns a new `lodash` function.\n * @example\n *\n * _.mixin({ 'foo': _.constant('foo') });\n *\n * var lodash = _.runInContext();\n * lodash.mixin({ 'bar': lodash.constant('bar') });\n *\n * _.isFunction(_.foo);\n * // => true\n * _.isFunction(_.bar);\n * // => false\n *\n * lodash.isFunction(lodash.foo);\n * // => false\n * lodash.isFunction(lodash.bar);\n * // => true\n *\n * // Create a suped-up `defer` in Node.js.\n * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n */\n var runInContext = (function runInContext(context) {\n context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n /** Built-in constructor references. */\n var Array = context.Array,\n Date = context.Date,\n Error = context.Error,\n Function = context.Function,\n Math = context.Math,\n Object = context.Object,\n RegExp = context.RegExp,\n String = context.String,\n TypeError = context.TypeError;\n\n /** Used for built-in method references. */\n var arrayProto = Array.prototype,\n funcProto = Function.prototype,\n objectProto = Object.prototype;\n\n /** Used to detect overreaching core-js shims. */\n var coreJsData = context['__core-js_shared__'];\n\n /** Used to resolve the decompiled source of functions. */\n var funcToString = funcProto.toString;\n\n /** Used to check objects for own properties. */\n var hasOwnProperty = objectProto.hasOwnProperty;\n\n /** Used to generate unique IDs. */\n var idCounter = 0;\n\n /** Used to detect methods masquerading as native. */\n var maskSrcKey = (function() {\n var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n return uid ? ('Symbol(src)_1.' + uid) : '';\n }());\n\n /**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\n var nativeObjectToString = objectProto.toString;\n\n /** Used to infer the `Object` constructor. */\n var objectCtorString = funcToString.call(Object);\n\n /** Used to restore the original `_` reference in `_.noConflict`. */\n var oldDash = root._;\n\n /** Used to detect if a method is native. */\n var reIsNative = RegExp('^' +\n funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n );\n\n /** Built-in value references. */\n var Buffer = moduleExports ? context.Buffer : undefined,\n Symbol = context.Symbol,\n Uint8Array = context.Uint8Array,\n allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n getPrototype = overArg(Object.getPrototypeOf, Object),\n objectCreate = Object.create,\n propertyIsEnumerable = objectProto.propertyIsEnumerable,\n splice = arrayProto.splice,\n spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n symIterator = Symbol ? Symbol.iterator : undefined,\n symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n var defineProperty = (function() {\n try {\n var func = getNative(Object, 'defineProperty');\n func({}, '', {});\n return func;\n } catch (e) {}\n }());\n\n /** Mocked built-ins. */\n var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n ctxNow = Date && Date.now !== root.Date.now && Date.now,\n ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n /* Built-in method references for those with the same name as other `lodash` methods. */\n var nativeCeil = Math.ceil,\n nativeFloor = Math.floor,\n nativeGetSymbols = Object.getOwnPropertySymbols,\n nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n nativeIsFinite = context.isFinite,\n nativeJoin = arrayProto.join,\n nativeKeys = overArg(Object.keys, Object),\n nativeMax = Math.max,\n nativeMin = Math.min,\n nativeNow = Date.now,\n nativeParseInt = context.parseInt,\n nativeRandom = Math.random,\n nativeReverse = arrayProto.reverse;\n\n /* Built-in method references that are verified to be native. */\n var DataView = getNative(context, 'DataView'),\n Map = getNative(context, 'Map'),\n Promise = getNative(context, 'Promise'),\n Set = getNative(context, 'Set'),\n WeakMap = getNative(context, 'WeakMap'),\n nativeCreate = getNative(Object, 'create');\n\n /** Used to store function metadata. */\n var metaMap = WeakMap && new WeakMap;\n\n /** Used to lookup unminified function names. */\n var realNames = {};\n\n /** Used to detect maps, sets, and weakmaps. */\n var dataViewCtorString = toSource(DataView),\n mapCtorString = toSource(Map),\n promiseCtorString = toSource(Promise),\n setCtorString = toSource(Set),\n weakMapCtorString = toSource(WeakMap);\n\n /** Used to convert symbols to primitives and strings. */\n var symbolProto = Symbol ? Symbol.prototype : undefined,\n symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` object which wraps `value` to enable implicit method\n * chain sequences. Methods that operate on and return arrays, collections,\n * and functions can be chained together. Methods that retrieve a single value\n * or may return a primitive value will automatically end the chain sequence\n * and return the unwrapped value. Otherwise, the value must be unwrapped\n * with `_#value`.\n *\n * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n * enabled using `_.chain`.\n *\n * The execution of chained methods is lazy, that is, it's deferred until\n * `_#value` is implicitly or explicitly called.\n *\n * Lazy evaluation allows several methods to support shortcut fusion.\n * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n * the creation of intermediate arrays and can greatly reduce the number of\n * iteratee executions. Sections of a chain sequence qualify for shortcut\n * fusion if the section is applied to an array and iteratees accept only\n * one argument. The heuristic for whether a section qualifies for shortcut\n * fusion is subject to change.\n *\n * Chaining is supported in custom builds as long as the `_#value` method is\n * directly or indirectly included in the build.\n *\n * In addition to lodash methods, wrappers have `Array` and `String` methods.\n *\n * The wrapper `Array` methods are:\n * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n *\n * The wrapper `String` methods are:\n * `replace` and `split`\n *\n * The wrapper methods that support shortcut fusion are:\n * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n *\n * The chainable wrapper methods are:\n * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n * `zipObject`, `zipObjectDeep`, and `zipWith`\n *\n * The wrapper methods that are **not** chainable by default are:\n * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n * `upperFirst`, `value`, and `words`\n *\n * @name _\n * @constructor\n * @category Seq\n * @param {*} value The value to wrap in a `lodash` instance.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2, 3]);\n *\n * // Returns an unwrapped value.\n * wrapped.reduce(_.add);\n * // => 6\n *\n * // Returns a wrapped value.\n * var squares = wrapped.map(square);\n *\n * _.isArray(squares);\n * // => false\n *\n * _.isArray(squares.value());\n * // => true\n */\n function lodash(value) {\n if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n if (value instanceof LodashWrapper) {\n return value;\n }\n if (hasOwnProperty.call(value, '__wrapped__')) {\n return wrapperClone(value);\n }\n }\n return new LodashWrapper(value);\n }\n\n /**\n * The base implementation of `_.create` without support for assigning\n * properties to the created object.\n *\n * @private\n * @param {Object} proto The object to inherit from.\n * @returns {Object} Returns the new object.\n */\n var baseCreate = (function() {\n function object() {}\n return function(proto) {\n if (!isObject(proto)) {\n return {};\n }\n if (objectCreate) {\n return objectCreate(proto);\n }\n object.prototype = proto;\n var result = new object;\n object.prototype = undefined;\n return result;\n };\n }());\n\n /**\n * The function whose prototype chain sequence wrappers inherit from.\n *\n * @private\n */\n function baseLodash() {\n // No operation performed.\n }\n\n /**\n * The base constructor for creating `lodash` wrapper objects.\n *\n * @private\n * @param {*} value The value to wrap.\n * @param {boolean} [chainAll] Enable explicit method chain sequences.\n */\n function LodashWrapper(value, chainAll) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__chain__ = !!chainAll;\n this.__index__ = 0;\n this.__values__ = undefined;\n }\n\n /**\n * By default, the template delimiters used by lodash are like those in\n * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n * following template settings to use alternative delimiters.\n *\n * @static\n * @memberOf _\n * @type {Object}\n */\n lodash.templateSettings = {\n\n /**\n * Used to detect `data` property values to be HTML-escaped.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'escape': reEscape,\n\n /**\n * Used to detect code to be evaluated.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'evaluate': reEvaluate,\n\n /**\n * Used to detect `data` property values to inject.\n *\n * @memberOf _.templateSettings\n * @type {RegExp}\n */\n 'interpolate': reInterpolate,\n\n /**\n * Used to reference the data object in the template text.\n *\n * @memberOf _.templateSettings\n * @type {string}\n */\n 'variable': '',\n\n /**\n * Used to import variables into the compiled template.\n *\n * @memberOf _.templateSettings\n * @type {Object}\n */\n 'imports': {\n\n /**\n * A reference to the `lodash` function.\n *\n * @memberOf _.templateSettings.imports\n * @type {Function}\n */\n '_': lodash\n }\n };\n\n // Ensure wrappers are instances of `baseLodash`.\n lodash.prototype = baseLodash.prototype;\n lodash.prototype.constructor = lodash;\n\n LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n LodashWrapper.prototype.constructor = LodashWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n *\n * @private\n * @constructor\n * @param {*} value The value to wrap.\n */\n function LazyWrapper(value) {\n this.__wrapped__ = value;\n this.__actions__ = [];\n this.__dir__ = 1;\n this.__filtered__ = false;\n this.__iteratees__ = [];\n this.__takeCount__ = MAX_ARRAY_LENGTH;\n this.__views__ = [];\n }\n\n /**\n * Creates a clone of the lazy wrapper object.\n *\n * @private\n * @name clone\n * @memberOf LazyWrapper\n * @returns {Object} Returns the cloned `LazyWrapper` object.\n */\n function lazyClone() {\n var result = new LazyWrapper(this.__wrapped__);\n result.__actions__ = copyArray(this.__actions__);\n result.__dir__ = this.__dir__;\n result.__filtered__ = this.__filtered__;\n result.__iteratees__ = copyArray(this.__iteratees__);\n result.__takeCount__ = this.__takeCount__;\n result.__views__ = copyArray(this.__views__);\n return result;\n }\n\n /**\n * Reverses the direction of lazy iteration.\n *\n * @private\n * @name reverse\n * @memberOf LazyWrapper\n * @returns {Object} Returns the new reversed `LazyWrapper` object.\n */\n function lazyReverse() {\n if (this.__filtered__) {\n var result = new LazyWrapper(this);\n result.__dir__ = -1;\n result.__filtered__ = true;\n } else {\n result = this.clone();\n result.__dir__ *= -1;\n }\n return result;\n }\n\n /**\n * Extracts the unwrapped value from its lazy wrapper.\n *\n * @private\n * @name value\n * @memberOf LazyWrapper\n * @returns {*} Returns the unwrapped value.\n */\n function lazyValue() {\n var array = this.__wrapped__.value(),\n dir = this.__dir__,\n isArr = isArray(array),\n isRight = dir < 0,\n arrLength = isArr ? array.length : 0,\n view = getView(0, arrLength, this.__views__),\n start = view.start,\n end = view.end,\n length = end - start,\n index = isRight ? end : (start - 1),\n iteratees = this.__iteratees__,\n iterLength = iteratees.length,\n resIndex = 0,\n takeCount = nativeMin(length, this.__takeCount__);\n\n if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n return baseWrapperValue(array, this.__actions__);\n }\n var result = [];\n\n outer:\n while (length-- && resIndex < takeCount) {\n index += dir;\n\n var iterIndex = -1,\n value = array[index];\n\n while (++iterIndex < iterLength) {\n var data = iteratees[iterIndex],\n iteratee = data.iteratee,\n type = data.type,\n computed = iteratee(value);\n\n if (type == LAZY_MAP_FLAG) {\n value = computed;\n } else if (!computed) {\n if (type == LAZY_FILTER_FLAG) {\n continue outer;\n } else {\n break outer;\n }\n }\n }\n result[resIndex++] = value;\n }\n return result;\n }\n\n // Ensure `LazyWrapper` is an instance of `baseLodash`.\n LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n LazyWrapper.prototype.constructor = LazyWrapper;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a hash object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Hash(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the hash.\n *\n * @private\n * @name clear\n * @memberOf Hash\n */\n function hashClear() {\n this.__data__ = nativeCreate ? nativeCreate(null) : {};\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the hash.\n *\n * @private\n * @name delete\n * @memberOf Hash\n * @param {Object} hash The hash to modify.\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function hashDelete(key) {\n var result = this.has(key) && delete this.__data__[key];\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the hash value for `key`.\n *\n * @private\n * @name get\n * @memberOf Hash\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function hashGet(key) {\n var data = this.__data__;\n if (nativeCreate) {\n var result = data[key];\n return result === HASH_UNDEFINED ? undefined : result;\n }\n return hasOwnProperty.call(data, key) ? data[key] : undefined;\n }\n\n /**\n * Checks if a hash value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Hash\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function hashHas(key) {\n var data = this.__data__;\n return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n }\n\n /**\n * Sets the hash `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Hash\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the hash instance.\n */\n function hashSet(key, value) {\n var data = this.__data__;\n this.size += this.has(key) ? 0 : 1;\n data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n return this;\n }\n\n // Add methods to `Hash`.\n Hash.prototype.clear = hashClear;\n Hash.prototype['delete'] = hashDelete;\n Hash.prototype.get = hashGet;\n Hash.prototype.has = hashHas;\n Hash.prototype.set = hashSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an list cache object.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function ListCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the list cache.\n *\n * @private\n * @name clear\n * @memberOf ListCache\n */\n function listCacheClear() {\n this.__data__ = [];\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the list cache.\n *\n * @private\n * @name delete\n * @memberOf ListCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function listCacheDelete(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n return false;\n }\n var lastIndex = data.length - 1;\n if (index == lastIndex) {\n data.pop();\n } else {\n splice.call(data, index, 1);\n }\n --this.size;\n return true;\n }\n\n /**\n * Gets the list cache value for `key`.\n *\n * @private\n * @name get\n * @memberOf ListCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function listCacheGet(key) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n return index < 0 ? undefined : data[index][1];\n }\n\n /**\n * Checks if a list cache value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf ListCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function listCacheHas(key) {\n return assocIndexOf(this.__data__, key) > -1;\n }\n\n /**\n * Sets the list cache `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf ListCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the list cache instance.\n */\n function listCacheSet(key, value) {\n var data = this.__data__,\n index = assocIndexOf(data, key);\n\n if (index < 0) {\n ++this.size;\n data.push([key, value]);\n } else {\n data[index][1] = value;\n }\n return this;\n }\n\n // Add methods to `ListCache`.\n ListCache.prototype.clear = listCacheClear;\n ListCache.prototype['delete'] = listCacheDelete;\n ListCache.prototype.get = listCacheGet;\n ListCache.prototype.has = listCacheHas;\n ListCache.prototype.set = listCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a map cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function MapCache(entries) {\n var index = -1,\n length = entries == null ? 0 : entries.length;\n\n this.clear();\n while (++index < length) {\n var entry = entries[index];\n this.set(entry[0], entry[1]);\n }\n }\n\n /**\n * Removes all key-value entries from the map.\n *\n * @private\n * @name clear\n * @memberOf MapCache\n */\n function mapCacheClear() {\n this.size = 0;\n this.__data__ = {\n 'hash': new Hash,\n 'map': new (Map || ListCache),\n 'string': new Hash\n };\n }\n\n /**\n * Removes `key` and its value from the map.\n *\n * @private\n * @name delete\n * @memberOf MapCache\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function mapCacheDelete(key) {\n var result = getMapData(this, key)['delete'](key);\n this.size -= result ? 1 : 0;\n return result;\n }\n\n /**\n * Gets the map value for `key`.\n *\n * @private\n * @name get\n * @memberOf MapCache\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function mapCacheGet(key) {\n return getMapData(this, key).get(key);\n }\n\n /**\n * Checks if a map value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf MapCache\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function mapCacheHas(key) {\n return getMapData(this, key).has(key);\n }\n\n /**\n * Sets the map `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf MapCache\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the map cache instance.\n */\n function mapCacheSet(key, value) {\n var data = getMapData(this, key),\n size = data.size;\n\n data.set(key, value);\n this.size += data.size == size ? 0 : 1;\n return this;\n }\n\n // Add methods to `MapCache`.\n MapCache.prototype.clear = mapCacheClear;\n MapCache.prototype['delete'] = mapCacheDelete;\n MapCache.prototype.get = mapCacheGet;\n MapCache.prototype.has = mapCacheHas;\n MapCache.prototype.set = mapCacheSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n *\n * Creates an array cache object to store unique values.\n *\n * @private\n * @constructor\n * @param {Array} [values] The values to cache.\n */\n function SetCache(values) {\n var index = -1,\n length = values == null ? 0 : values.length;\n\n this.__data__ = new MapCache;\n while (++index < length) {\n this.add(values[index]);\n }\n }\n\n /**\n * Adds `value` to the array cache.\n *\n * @private\n * @name add\n * @memberOf SetCache\n * @alias push\n * @param {*} value The value to cache.\n * @returns {Object} Returns the cache instance.\n */\n function setCacheAdd(value) {\n this.__data__.set(value, HASH_UNDEFINED);\n return this;\n }\n\n /**\n * Checks if `value` is in the array cache.\n *\n * @private\n * @name has\n * @memberOf SetCache\n * @param {*} value The value to search for.\n * @returns {number} Returns `true` if `value` is found, else `false`.\n */\n function setCacheHas(value) {\n return this.__data__.has(value);\n }\n\n // Add methods to `SetCache`.\n SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n SetCache.prototype.has = setCacheHas;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a stack cache object to store key-value pairs.\n *\n * @private\n * @constructor\n * @param {Array} [entries] The key-value pairs to cache.\n */\n function Stack(entries) {\n var data = this.__data__ = new ListCache(entries);\n this.size = data.size;\n }\n\n /**\n * Removes all key-value entries from the stack.\n *\n * @private\n * @name clear\n * @memberOf Stack\n */\n function stackClear() {\n this.__data__ = new ListCache;\n this.size = 0;\n }\n\n /**\n * Removes `key` and its value from the stack.\n *\n * @private\n * @name delete\n * @memberOf Stack\n * @param {string} key The key of the value to remove.\n * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n */\n function stackDelete(key) {\n var data = this.__data__,\n result = data['delete'](key);\n\n this.size = data.size;\n return result;\n }\n\n /**\n * Gets the stack value for `key`.\n *\n * @private\n * @name get\n * @memberOf Stack\n * @param {string} key The key of the value to get.\n * @returns {*} Returns the entry value.\n */\n function stackGet(key) {\n return this.__data__.get(key);\n }\n\n /**\n * Checks if a stack value for `key` exists.\n *\n * @private\n * @name has\n * @memberOf Stack\n * @param {string} key The key of the entry to check.\n * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n */\n function stackHas(key) {\n return this.__data__.has(key);\n }\n\n /**\n * Sets the stack `key` to `value`.\n *\n * @private\n * @name set\n * @memberOf Stack\n * @param {string} key The key of the value to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns the stack cache instance.\n */\n function stackSet(key, value) {\n var data = this.__data__;\n if (data instanceof ListCache) {\n var pairs = data.__data__;\n if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n pairs.push([key, value]);\n this.size = ++data.size;\n return this;\n }\n data = this.__data__ = new MapCache(pairs);\n }\n data.set(key, value);\n this.size = data.size;\n return this;\n }\n\n // Add methods to `Stack`.\n Stack.prototype.clear = stackClear;\n Stack.prototype['delete'] = stackDelete;\n Stack.prototype.get = stackGet;\n Stack.prototype.has = stackHas;\n Stack.prototype.set = stackSet;\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of the enumerable property names of the array-like `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @param {boolean} inherited Specify returning inherited property names.\n * @returns {Array} Returns the array of property names.\n */\n function arrayLikeKeys(value, inherited) {\n var isArr = isArray(value),\n isArg = !isArr && isArguments(value),\n isBuff = !isArr && !isArg && isBuffer(value),\n isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n skipIndexes = isArr || isArg || isBuff || isType,\n result = skipIndexes ? baseTimes(value.length, String) : [],\n length = result.length;\n\n for (var key in value) {\n if ((inherited || hasOwnProperty.call(value, key)) &&\n !(skipIndexes && (\n // Safari 9 has enumerable `arguments.length` in strict mode.\n key == 'length' ||\n // Node.js 0.10 has enumerable non-index properties on buffers.\n (isBuff && (key == 'offset' || key == 'parent')) ||\n // PhantomJS 2 has enumerable non-index properties on typed arrays.\n (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n // Skip index properties.\n isIndex(key, length)\n ))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `_.sample` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @returns {*} Returns the random element.\n */\n function arraySample(array) {\n var length = array.length;\n return length ? array[baseRandom(0, length - 1)] : undefined;\n }\n\n /**\n * A specialized version of `_.sampleSize` for arrays.\n *\n * @private\n * @param {Array} array The array to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function arraySampleSize(array, n) {\n return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n }\n\n /**\n * A specialized version of `_.shuffle` for arrays.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function arrayShuffle(array) {\n return shuffleSelf(copyArray(array));\n }\n\n /**\n * This function is like `assignValue` except that it doesn't assign\n * `undefined` values.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignMergeValue(object, key, value) {\n if ((value !== undefined && !eq(object[key], value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Assigns `value` to `key` of `object` if the existing value is not equivalent\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function assignValue(object, key, value) {\n var objValue = object[key];\n if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n (value === undefined && !(key in object))) {\n baseAssignValue(object, key, value);\n }\n }\n\n /**\n * Gets the index at which the `key` is found in `array` of key-value pairs.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {*} key The key to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n */\n function assocIndexOf(array, key) {\n var length = array.length;\n while (length--) {\n if (eq(array[length][0], key)) {\n return length;\n }\n }\n return -1;\n }\n\n /**\n * Aggregates elements of `collection` on `accumulator` with keys transformed\n * by `iteratee` and values set by `setter`.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform keys.\n * @param {Object} accumulator The initial aggregated object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseAggregator(collection, setter, iteratee, accumulator) {\n baseEach(collection, function(value, key, collection) {\n setter(accumulator, value, iteratee(value), collection);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.assign` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssign(object, source) {\n return object && copyObject(source, keys(source), object);\n }\n\n /**\n * The base implementation of `_.assignIn` without support for multiple sources\n * or `customizer` functions.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @returns {Object} Returns `object`.\n */\n function baseAssignIn(object, source) {\n return object && copyObject(source, keysIn(source), object);\n }\n\n /**\n * The base implementation of `assignValue` and `assignMergeValue` without\n * value checks.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {string} key The key of the property to assign.\n * @param {*} value The value to assign.\n */\n function baseAssignValue(object, key, value) {\n if (key == '__proto__' && defineProperty) {\n defineProperty(object, key, {\n 'configurable': true,\n 'enumerable': true,\n 'value': value,\n 'writable': true\n });\n } else {\n object[key] = value;\n }\n }\n\n /**\n * The base implementation of `_.at` without support for individual paths.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {string[]} paths The property paths to pick.\n * @returns {Array} Returns the picked elements.\n */\n function baseAt(object, paths) {\n var index = -1,\n length = paths.length,\n result = Array(length),\n skip = object == null;\n\n while (++index < length) {\n result[index] = skip ? undefined : get(object, paths[index]);\n }\n return result;\n }\n\n /**\n * The base implementation of `_.clamp` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n */\n function baseClamp(number, lower, upper) {\n if (number === number) {\n if (upper !== undefined) {\n number = number <= upper ? number : upper;\n }\n if (lower !== undefined) {\n number = number >= lower ? number : lower;\n }\n }\n return number;\n }\n\n /**\n * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n * traversed objects.\n *\n * @private\n * @param {*} value The value to clone.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Deep clone\n * 2 - Flatten inherited properties\n * 4 - Clone symbols\n * @param {Function} [customizer] The function to customize cloning.\n * @param {string} [key] The key of `value`.\n * @param {Object} [object] The parent object of `value`.\n * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n * @returns {*} Returns the cloned value.\n */\n function baseClone(value, bitmask, customizer, key, object, stack) {\n var result,\n isDeep = bitmask & CLONE_DEEP_FLAG,\n isFlat = bitmask & CLONE_FLAT_FLAG,\n isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n if (customizer) {\n result = object ? customizer(value, key, object, stack) : customizer(value);\n }\n if (result !== undefined) {\n return result;\n }\n if (!isObject(value)) {\n return value;\n }\n var isArr = isArray(value);\n if (isArr) {\n result = initCloneArray(value);\n if (!isDeep) {\n return copyArray(value, result);\n }\n } else {\n var tag = getTag(value),\n isFunc = tag == funcTag || tag == genTag;\n\n if (isBuffer(value)) {\n return cloneBuffer(value, isDeep);\n }\n if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n result = (isFlat || isFunc) ? {} : initCloneObject(value);\n if (!isDeep) {\n return isFlat\n ? copySymbolsIn(value, baseAssignIn(result, value))\n : copySymbols(value, baseAssign(result, value));\n }\n } else {\n if (!cloneableTags[tag]) {\n return object ? value : {};\n }\n result = initCloneByTag(value, tag, isDeep);\n }\n }\n // Check for circular references and return its corresponding clone.\n stack || (stack = new Stack);\n var stacked = stack.get(value);\n if (stacked) {\n return stacked;\n }\n stack.set(value, result);\n\n if (isSet(value)) {\n value.forEach(function(subValue) {\n result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n });\n } else if (isMap(value)) {\n value.forEach(function(subValue, key) {\n result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n }\n\n var keysFunc = isFull\n ? (isFlat ? getAllKeysIn : getAllKeys)\n : (isFlat ? keysIn : keys);\n\n var props = isArr ? undefined : keysFunc(value);\n arrayEach(props || value, function(subValue, key) {\n if (props) {\n key = subValue;\n subValue = value[key];\n }\n // Recursively populate clone (susceptible to call stack limits).\n assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n });\n return result;\n }\n\n /**\n * The base implementation of `_.conforms` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property predicates to conform to.\n * @returns {Function} Returns the new spec function.\n */\n function baseConforms(source) {\n var props = keys(source);\n return function(object) {\n return baseConformsTo(object, source, props);\n };\n }\n\n /**\n * The base implementation of `_.conformsTo` which accepts `props` to check.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n */\n function baseConformsTo(object, source, props) {\n var length = props.length;\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (length--) {\n var key = props[length],\n predicate = source[key],\n value = object[key];\n\n if ((value === undefined && !(key in object)) || !predicate(value)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.delay` and `_.defer` which accepts `args`\n * to provide to `func`.\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {Array} args The arguments to provide to `func`.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n function baseDelay(func, wait, args) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return setTimeout(function() { func.apply(undefined, args); }, wait);\n }\n\n /**\n * The base implementation of methods like `_.difference` without support\n * for excluding multiple arrays or iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Array} values The values to exclude.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n */\n function baseDifference(array, values, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n isCommon = true,\n length = array.length,\n result = [],\n valuesLength = values.length;\n\n if (!length) {\n return result;\n }\n if (iteratee) {\n values = arrayMap(values, baseUnary(iteratee));\n }\n if (comparator) {\n includes = arrayIncludesWith;\n isCommon = false;\n }\n else if (values.length >= LARGE_ARRAY_SIZE) {\n includes = cacheHas;\n isCommon = false;\n values = new SetCache(values);\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee == null ? value : iteratee(value);\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var valuesIndex = valuesLength;\n while (valuesIndex--) {\n if (values[valuesIndex] === computed) {\n continue outer;\n }\n }\n result.push(value);\n }\n else if (!includes(values, computed, comparator)) {\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.forEach` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEach = createBaseEach(baseForOwn);\n\n /**\n * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n */\n var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n /**\n * The base implementation of `_.every` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`\n */\n function baseEvery(collection, predicate) {\n var result = true;\n baseEach(collection, function(value, index, collection) {\n result = !!predicate(value, index, collection);\n return result;\n });\n return result;\n }\n\n /**\n * The base implementation of methods like `_.max` and `_.min` which accepts a\n * `comparator` to determine the extremum value.\n *\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} iteratee The iteratee invoked per iteration.\n * @param {Function} comparator The comparator used to compare values.\n * @returns {*} Returns the extremum value.\n */\n function baseExtremum(array, iteratee, comparator) {\n var index = -1,\n length = array.length;\n\n while (++index < length) {\n var value = array[index],\n current = iteratee(value);\n\n if (current != null && (computed === undefined\n ? (current === current && !isSymbol(current))\n : comparator(current, computed)\n )) {\n var computed = current,\n result = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.fill` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n */\n function baseFill(array, value, start, end) {\n var length = array.length;\n\n start = toInteger(start);\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = (end === undefined || end > length) ? length : toInteger(end);\n if (end < 0) {\n end += length;\n }\n end = start > end ? 0 : toLength(end);\n while (start < end) {\n array[start++] = value;\n }\n return array;\n }\n\n /**\n * The base implementation of `_.filter` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n */\n function baseFilter(collection, predicate) {\n var result = [];\n baseEach(collection, function(value, index, collection) {\n if (predicate(value, index, collection)) {\n result.push(value);\n }\n });\n return result;\n }\n\n /**\n * The base implementation of `_.flatten` with support for restricting flattening.\n *\n * @private\n * @param {Array} array The array to flatten.\n * @param {number} depth The maximum recursion depth.\n * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n * @param {Array} [result=[]] The initial result value.\n * @returns {Array} Returns the new flattened array.\n */\n function baseFlatten(array, depth, predicate, isStrict, result) {\n var index = -1,\n length = array.length;\n\n predicate || (predicate = isFlattenable);\n result || (result = []);\n\n while (++index < length) {\n var value = array[index];\n if (depth > 0 && predicate(value)) {\n if (depth > 1) {\n // Recursively flatten arrays (susceptible to call stack limits).\n baseFlatten(value, depth - 1, predicate, isStrict, result);\n } else {\n arrayPush(result, value);\n }\n } else if (!isStrict) {\n result[result.length] = value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `baseForOwn` which iterates over `object`\n * properties returned by `keysFunc` and invokes `iteratee` for each property.\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseFor = createBaseFor();\n\n /**\n * This function is like `baseFor` except that it iterates over properties\n * in the opposite order.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @returns {Object} Returns `object`.\n */\n var baseForRight = createBaseFor(true);\n\n /**\n * The base implementation of `_.forOwn` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwn(object, iteratee) {\n return object && baseFor(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Object} Returns `object`.\n */\n function baseForOwnRight(object, iteratee) {\n return object && baseForRight(object, iteratee, keys);\n }\n\n /**\n * The base implementation of `_.functions` which creates an array of\n * `object` function property names filtered from `props`.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Array} props The property names to filter.\n * @returns {Array} Returns the function names.\n */\n function baseFunctions(object, props) {\n return arrayFilter(props, function(key) {\n return isFunction(object[key]);\n });\n }\n\n /**\n * The base implementation of `_.get` without support for default values.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @returns {*} Returns the resolved value.\n */\n function baseGet(object, path) {\n path = castPath(path, object);\n\n var index = 0,\n length = path.length;\n\n while (object != null && index < length) {\n object = object[toKey(path[index++])];\n }\n return (index && index == length) ? object : undefined;\n }\n\n /**\n * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Function} keysFunc The function to get the keys of `object`.\n * @param {Function} symbolsFunc The function to get the symbols of `object`.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n var result = keysFunc(object);\n return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n }\n\n /**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n function baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (symToStringTag && symToStringTag in Object(value))\n ? getRawTag(value)\n : objectToString(value);\n }\n\n /**\n * The base implementation of `_.gt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n */\n function baseGt(value, other) {\n return value > other;\n }\n\n /**\n * The base implementation of `_.has` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHas(object, key) {\n return object != null && hasOwnProperty.call(object, key);\n }\n\n /**\n * The base implementation of `_.hasIn` without support for deep paths.\n *\n * @private\n * @param {Object} [object] The object to query.\n * @param {Array|string} key The key to check.\n * @returns {boolean} Returns `true` if `key` exists, else `false`.\n */\n function baseHasIn(object, key) {\n return object != null && key in Object(object);\n }\n\n /**\n * The base implementation of `_.inRange` which doesn't coerce arguments.\n *\n * @private\n * @param {number} number The number to check.\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n */\n function baseInRange(number, start, end) {\n return number >= nativeMin(start, end) && number < nativeMax(start, end);\n }\n\n /**\n * The base implementation of methods like `_.intersection`, without support\n * for iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of shared values.\n */\n function baseIntersection(arrays, iteratee, comparator) {\n var includes = comparator ? arrayIncludesWith : arrayIncludes,\n length = arrays[0].length,\n othLength = arrays.length,\n othIndex = othLength,\n caches = Array(othLength),\n maxLength = Infinity,\n result = [];\n\n while (othIndex--) {\n var array = arrays[othIndex];\n if (othIndex && iteratee) {\n array = arrayMap(array, baseUnary(iteratee));\n }\n maxLength = nativeMin(array.length, maxLength);\n caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n ? new SetCache(othIndex && array)\n : undefined;\n }\n array = arrays[0];\n\n var index = -1,\n seen = caches[0];\n\n outer:\n while (++index < length && result.length < maxLength) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (!(seen\n ? cacheHas(seen, computed)\n : includes(result, computed, comparator)\n )) {\n othIndex = othLength;\n while (--othIndex) {\n var cache = caches[othIndex];\n if (!(cache\n ? cacheHas(cache, computed)\n : includes(arrays[othIndex], computed, comparator))\n ) {\n continue outer;\n }\n }\n if (seen) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.invert` and `_.invertBy` which inverts\n * `object` with values transformed by `iteratee` and set by `setter`.\n *\n * @private\n * @param {Object} object The object to iterate over.\n * @param {Function} setter The function to set `accumulator` values.\n * @param {Function} iteratee The iteratee to transform values.\n * @param {Object} accumulator The initial inverted object.\n * @returns {Function} Returns `accumulator`.\n */\n function baseInverter(object, setter, iteratee, accumulator) {\n baseForOwn(object, function(value, key, object) {\n setter(accumulator, iteratee(value), key, object);\n });\n return accumulator;\n }\n\n /**\n * The base implementation of `_.invoke` without support for individual\n * method arguments.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {Array} args The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n */\n function baseInvoke(object, path, args) {\n path = castPath(path, object);\n object = parent(object, path);\n var func = object == null ? object : object[toKey(last(path))];\n return func == null ? undefined : apply(func, object, args);\n }\n\n /**\n * The base implementation of `_.isArguments`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n */\n function baseIsArguments(value) {\n return isObjectLike(value) && baseGetTag(value) == argsTag;\n }\n\n /**\n * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n */\n function baseIsArrayBuffer(value) {\n return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n }\n\n /**\n * The base implementation of `_.isDate` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n */\n function baseIsDate(value) {\n return isObjectLike(value) && baseGetTag(value) == dateTag;\n }\n\n /**\n * The base implementation of `_.isEqual` which supports partial comparisons\n * and tracks traversed objects.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {boolean} bitmask The bitmask flags.\n * 1 - Unordered comparison\n * 2 - Partial comparison\n * @param {Function} [customizer] The function to customize comparisons.\n * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n */\n function baseIsEqual(value, other, bitmask, customizer, stack) {\n if (value === other) {\n return true;\n }\n if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n return value !== value && other !== other;\n }\n return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n }\n\n /**\n * A specialized version of `baseIsEqual` for arrays and objects which performs\n * deep comparisons and tracks traversed objects enabling objects with circular\n * references to be compared.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n var objIsArr = isArray(object),\n othIsArr = isArray(other),\n objTag = objIsArr ? arrayTag : getTag(object),\n othTag = othIsArr ? arrayTag : getTag(other);\n\n objTag = objTag == argsTag ? objectTag : objTag;\n othTag = othTag == argsTag ? objectTag : othTag;\n\n var objIsObj = objTag == objectTag,\n othIsObj = othTag == objectTag,\n isSameTag = objTag == othTag;\n\n if (isSameTag && isBuffer(object)) {\n if (!isBuffer(other)) {\n return false;\n }\n objIsArr = true;\n objIsObj = false;\n }\n if (isSameTag && !objIsObj) {\n stack || (stack = new Stack);\n return (objIsArr || isTypedArray(object))\n ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n }\n if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n if (objIsWrapped || othIsWrapped) {\n var objUnwrapped = objIsWrapped ? object.value() : object,\n othUnwrapped = othIsWrapped ? other.value() : other;\n\n stack || (stack = new Stack);\n return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n }\n }\n if (!isSameTag) {\n return false;\n }\n stack || (stack = new Stack);\n return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n }\n\n /**\n * The base implementation of `_.isMap` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n */\n function baseIsMap(value) {\n return isObjectLike(value) && getTag(value) == mapTag;\n }\n\n /**\n * The base implementation of `_.isMatch` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Array} matchData The property names, values, and compare flags to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n */\n function baseIsMatch(object, source, matchData, customizer) {\n var index = matchData.length,\n length = index,\n noCustomizer = !customizer;\n\n if (object == null) {\n return !length;\n }\n object = Object(object);\n while (index--) {\n var data = matchData[index];\n if ((noCustomizer && data[2])\n ? data[1] !== object[data[0]]\n : !(data[0] in object)\n ) {\n return false;\n }\n }\n while (++index < length) {\n data = matchData[index];\n var key = data[0],\n objValue = object[key],\n srcValue = data[1];\n\n if (noCustomizer && data[2]) {\n if (objValue === undefined && !(key in object)) {\n return false;\n }\n } else {\n var stack = new Stack;\n if (customizer) {\n var result = customizer(objValue, srcValue, key, object, source, stack);\n }\n if (!(result === undefined\n ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n : result\n )) {\n return false;\n }\n }\n }\n return true;\n }\n\n /**\n * The base implementation of `_.isNative` without bad shim checks.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n */\n function baseIsNative(value) {\n if (!isObject(value) || isMasked(value)) {\n return false;\n }\n var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n return pattern.test(toSource(value));\n }\n\n /**\n * The base implementation of `_.isRegExp` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n */\n function baseIsRegExp(value) {\n return isObjectLike(value) && baseGetTag(value) == regexpTag;\n }\n\n /**\n * The base implementation of `_.isSet` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n */\n function baseIsSet(value) {\n return isObjectLike(value) && getTag(value) == setTag;\n }\n\n /**\n * The base implementation of `_.isTypedArray` without Node.js optimizations.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n */\n function baseIsTypedArray(value) {\n return isObjectLike(value) &&\n isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n }\n\n /**\n * The base implementation of `_.iteratee`.\n *\n * @private\n * @param {*} [value=_.identity] The value to convert to an iteratee.\n * @returns {Function} Returns the iteratee.\n */\n function baseIteratee(value) {\n // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n if (typeof value == 'function') {\n return value;\n }\n if (value == null) {\n return identity;\n }\n if (typeof value == 'object') {\n return isArray(value)\n ? baseMatchesProperty(value[0], value[1])\n : baseMatches(value);\n }\n return property(value);\n }\n\n /**\n * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeys(object) {\n if (!isPrototype(object)) {\n return nativeKeys(object);\n }\n var result = [];\n for (var key in Object(object)) {\n if (hasOwnProperty.call(object, key) && key != 'constructor') {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function baseKeysIn(object) {\n if (!isObject(object)) {\n return nativeKeysIn(object);\n }\n var isProto = isPrototype(object),\n result = [];\n\n for (var key in object) {\n if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.lt` which doesn't coerce arguments.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n */\n function baseLt(value, other) {\n return value < other;\n }\n\n /**\n * The base implementation of `_.map` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} iteratee The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n */\n function baseMap(collection, iteratee) {\n var index = -1,\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value, key, collection) {\n result[++index] = iteratee(value, key, collection);\n });\n return result;\n }\n\n /**\n * The base implementation of `_.matches` which doesn't clone `source`.\n *\n * @private\n * @param {Object} source The object of property values to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatches(source) {\n var matchData = getMatchData(source);\n if (matchData.length == 1 && matchData[0][2]) {\n return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n }\n return function(object) {\n return object === source || baseIsMatch(object, source, matchData);\n };\n }\n\n /**\n * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n *\n * @private\n * @param {string} path The path of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function baseMatchesProperty(path, srcValue) {\n if (isKey(path) && isStrictComparable(srcValue)) {\n return matchesStrictComparable(toKey(path), srcValue);\n }\n return function(object) {\n var objValue = get(object, path);\n return (objValue === undefined && objValue === srcValue)\n ? hasIn(object, path)\n : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n };\n }\n\n /**\n * The base implementation of `_.merge` without support for multiple sources.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} [customizer] The function to customize merged values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMerge(object, source, srcIndex, customizer, stack) {\n if (object === source) {\n return;\n }\n baseFor(source, function(srcValue, key) {\n stack || (stack = new Stack);\n if (isObject(srcValue)) {\n baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n }\n else {\n var newValue = customizer\n ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n : undefined;\n\n if (newValue === undefined) {\n newValue = srcValue;\n }\n assignMergeValue(object, key, newValue);\n }\n }, keysIn);\n }\n\n /**\n * A specialized version of `baseMerge` for arrays and objects which performs\n * deep merges and tracks traversed objects enabling objects with circular\n * references to be merged.\n *\n * @private\n * @param {Object} object The destination object.\n * @param {Object} source The source object.\n * @param {string} key The key of the value to merge.\n * @param {number} srcIndex The index of `source`.\n * @param {Function} mergeFunc The function to merge values.\n * @param {Function} [customizer] The function to customize assigned values.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n */\n function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n var objValue = safeGet(object, key),\n srcValue = safeGet(source, key),\n stacked = stack.get(srcValue);\n\n if (stacked) {\n assignMergeValue(object, key, stacked);\n return;\n }\n var newValue = customizer\n ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n : undefined;\n\n var isCommon = newValue === undefined;\n\n if (isCommon) {\n var isArr = isArray(srcValue),\n isBuff = !isArr && isBuffer(srcValue),\n isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n newValue = srcValue;\n if (isArr || isBuff || isTyped) {\n if (isArray(objValue)) {\n newValue = objValue;\n }\n else if (isArrayLikeObject(objValue)) {\n newValue = copyArray(objValue);\n }\n else if (isBuff) {\n isCommon = false;\n newValue = cloneBuffer(srcValue, true);\n }\n else if (isTyped) {\n isCommon = false;\n newValue = cloneTypedArray(srcValue, true);\n }\n else {\n newValue = [];\n }\n }\n else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n newValue = objValue;\n if (isArguments(objValue)) {\n newValue = toPlainObject(objValue);\n }\n else if (!isObject(objValue) || isFunction(objValue)) {\n newValue = initCloneObject(srcValue);\n }\n }\n else {\n isCommon = false;\n }\n }\n if (isCommon) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, newValue);\n mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n stack['delete'](srcValue);\n }\n assignMergeValue(object, key, newValue);\n }\n\n /**\n * The base implementation of `_.nth` which doesn't coerce arguments.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {number} n The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n */\n function baseNth(array, n) {\n var length = array.length;\n if (!length) {\n return;\n }\n n += n < 0 ? length : 0;\n return isIndex(n, length) ? array[n] : undefined;\n }\n\n /**\n * The base implementation of `_.orderBy` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n * @param {string[]} orders The sort orders of `iteratees`.\n * @returns {Array} Returns the new sorted array.\n */\n function baseOrderBy(collection, iteratees, orders) {\n if (iteratees.length) {\n iteratees = arrayMap(iteratees, function(iteratee) {\n if (isArray(iteratee)) {\n return function(value) {\n return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);\n }\n }\n return iteratee;\n });\n } else {\n iteratees = [identity];\n }\n\n var index = -1;\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\n var result = baseMap(collection, function(value, key, collection) {\n var criteria = arrayMap(iteratees, function(iteratee) {\n return iteratee(value);\n });\n return { 'criteria': criteria, 'index': ++index, 'value': value };\n });\n\n return baseSortBy(result, function(object, other) {\n return compareMultiple(object, other, orders);\n });\n }\n\n /**\n * The base implementation of `_.pick` without support for individual\n * property identifiers.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @returns {Object} Returns the new object.\n */\n function basePick(object, paths) {\n return basePickBy(object, paths, function(value, path) {\n return hasIn(object, path);\n });\n }\n\n /**\n * The base implementation of `_.pickBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Object} object The source object.\n * @param {string[]} paths The property paths to pick.\n * @param {Function} predicate The function invoked per property.\n * @returns {Object} Returns the new object.\n */\n function basePickBy(object, paths, predicate) {\n var index = -1,\n length = paths.length,\n result = {};\n\n while (++index < length) {\n var path = paths[index],\n value = baseGet(object, path);\n\n if (predicate(value, path)) {\n baseSet(result, castPath(path, object), value);\n }\n }\n return result;\n }\n\n /**\n * A specialized version of `baseProperty` which supports deep paths.\n *\n * @private\n * @param {Array|string} path The path of the property to get.\n * @returns {Function} Returns the new accessor function.\n */\n function basePropertyDeep(path) {\n return function(object) {\n return baseGet(object, path);\n };\n }\n\n /**\n * The base implementation of `_.pullAllBy` without support for iteratee\n * shorthands.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n */\n function basePullAll(array, values, iteratee, comparator) {\n var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n index = -1,\n length = values.length,\n seen = array;\n\n if (array === values) {\n values = copyArray(values);\n }\n if (iteratee) {\n seen = arrayMap(array, baseUnary(iteratee));\n }\n while (++index < length) {\n var fromIndex = 0,\n value = values[index],\n computed = iteratee ? iteratee(value) : value;\n\n while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n if (seen !== array) {\n splice.call(seen, fromIndex, 1);\n }\n splice.call(array, fromIndex, 1);\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.pullAt` without support for individual\n * indexes or capturing the removed elements.\n *\n * @private\n * @param {Array} array The array to modify.\n * @param {number[]} indexes The indexes of elements to remove.\n * @returns {Array} Returns `array`.\n */\n function basePullAt(array, indexes) {\n var length = array ? indexes.length : 0,\n lastIndex = length - 1;\n\n while (length--) {\n var index = indexes[length];\n if (length == lastIndex || index !== previous) {\n var previous = index;\n if (isIndex(index)) {\n splice.call(array, index, 1);\n } else {\n baseUnset(array, index);\n }\n }\n }\n return array;\n }\n\n /**\n * The base implementation of `_.random` without support for returning\n * floating-point numbers.\n *\n * @private\n * @param {number} lower The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the random number.\n */\n function baseRandom(lower, upper) {\n return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n }\n\n /**\n * The base implementation of `_.range` and `_.rangeRight` which doesn't\n * coerce arguments.\n *\n * @private\n * @param {number} start The start of the range.\n * @param {number} end The end of the range.\n * @param {number} step The value to increment or decrement by.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the range of numbers.\n */\n function baseRange(start, end, step, fromRight) {\n var index = -1,\n length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n result = Array(length);\n\n while (length--) {\n result[fromRight ? length : ++index] = start;\n start += step;\n }\n return result;\n }\n\n /**\n * The base implementation of `_.repeat` which doesn't coerce arguments.\n *\n * @private\n * @param {string} string The string to repeat.\n * @param {number} n The number of times to repeat the string.\n * @returns {string} Returns the repeated string.\n */\n function baseRepeat(string, n) {\n var result = '';\n if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n return result;\n }\n // Leverage the exponentiation by squaring algorithm for a faster repeat.\n // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n do {\n if (n % 2) {\n result += string;\n }\n n = nativeFloor(n / 2);\n if (n) {\n string += string;\n }\n } while (n);\n\n return result;\n }\n\n /**\n * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n */\n function baseRest(func, start) {\n return setToString(overRest(func, start, identity), func + '');\n }\n\n /**\n * The base implementation of `_.sample`.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n */\n function baseSample(collection) {\n return arraySample(values(collection));\n }\n\n /**\n * The base implementation of `_.sampleSize` without param guards.\n *\n * @private\n * @param {Array|Object} collection The collection to sample.\n * @param {number} n The number of elements to sample.\n * @returns {Array} Returns the random elements.\n */\n function baseSampleSize(collection, n) {\n var array = values(collection);\n return shuffleSelf(array, baseClamp(n, 0, array.length));\n }\n\n /**\n * The base implementation of `_.set`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseSet(object, path, value, customizer) {\n if (!isObject(object)) {\n return object;\n }\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n lastIndex = length - 1,\n nested = object;\n\n while (nested != null && ++index < length) {\n var key = toKey(path[index]),\n newValue = value;\n\n if (key === '__proto__' || key === 'constructor' || key === 'prototype') {\n return object;\n }\n\n if (index != lastIndex) {\n var objValue = nested[key];\n newValue = customizer ? customizer(objValue, key, nested) : undefined;\n if (newValue === undefined) {\n newValue = isObject(objValue)\n ? objValue\n : (isIndex(path[index + 1]) ? [] : {});\n }\n }\n assignValue(nested, key, newValue);\n nested = nested[key];\n }\n return object;\n }\n\n /**\n * The base implementation of `setData` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var baseSetData = !metaMap ? identity : function(func, data) {\n metaMap.set(func, data);\n return func;\n };\n\n /**\n * The base implementation of `setToString` without support for hot loop shorting.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var baseSetToString = !defineProperty ? identity : function(func, string) {\n return defineProperty(func, 'toString', {\n 'configurable': true,\n 'enumerable': false,\n 'value': constant(string),\n 'writable': true\n });\n };\n\n /**\n * The base implementation of `_.shuffle`.\n *\n * @private\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n */\n function baseShuffle(collection) {\n return shuffleSelf(values(collection));\n }\n\n /**\n * The base implementation of `_.slice` without an iteratee call guard.\n *\n * @private\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseSlice(array, start, end) {\n var index = -1,\n length = array.length;\n\n if (start < 0) {\n start = -start > length ? 0 : (length + start);\n }\n end = end > length ? length : end;\n if (end < 0) {\n end += length;\n }\n length = start > end ? 0 : ((end - start) >>> 0);\n start >>>= 0;\n\n var result = Array(length);\n while (++index < length) {\n result[index] = array[index + start];\n }\n return result;\n }\n\n /**\n * The base implementation of `_.some` without support for iteratee shorthands.\n *\n * @private\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} predicate The function invoked per iteration.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n */\n function baseSome(collection, predicate) {\n var result;\n\n baseEach(collection, function(value, index, collection) {\n result = predicate(value, index, collection);\n return !result;\n });\n return !!result;\n }\n\n /**\n * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n * performs a binary search of `array` to determine the index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndex(array, value, retHighest) {\n var low = 0,\n high = array == null ? low : array.length;\n\n if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n while (low < high) {\n var mid = (low + high) >>> 1,\n computed = array[mid];\n\n if (computed !== null && !isSymbol(computed) &&\n (retHighest ? (computed <= value) : (computed < value))) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return high;\n }\n return baseSortedIndexBy(array, value, identity, retHighest);\n }\n\n /**\n * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n * which invokes `iteratee` for `value` and each element of `array` to compute\n * their sort ranking. The iteratee is invoked with one argument; (value).\n *\n * @private\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} iteratee The iteratee invoked per element.\n * @param {boolean} [retHighest] Specify returning the highest qualified index.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n */\n function baseSortedIndexBy(array, value, iteratee, retHighest) {\n var low = 0,\n high = array == null ? 0 : array.length;\n if (high === 0) {\n return 0;\n }\n\n value = iteratee(value);\n var valIsNaN = value !== value,\n valIsNull = value === null,\n valIsSymbol = isSymbol(value),\n valIsUndefined = value === undefined;\n\n while (low < high) {\n var mid = nativeFloor((low + high) / 2),\n computed = iteratee(array[mid]),\n othIsDefined = computed !== undefined,\n othIsNull = computed === null,\n othIsReflexive = computed === computed,\n othIsSymbol = isSymbol(computed);\n\n if (valIsNaN) {\n var setLow = retHighest || othIsReflexive;\n } else if (valIsUndefined) {\n setLow = othIsReflexive && (retHighest || othIsDefined);\n } else if (valIsNull) {\n setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n } else if (valIsSymbol) {\n setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n } else if (othIsNull || othIsSymbol) {\n setLow = false;\n } else {\n setLow = retHighest ? (computed <= value) : (computed < value);\n }\n if (setLow) {\n low = mid + 1;\n } else {\n high = mid;\n }\n }\n return nativeMin(high, MAX_ARRAY_INDEX);\n }\n\n /**\n * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n * support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseSortedUniq(array, iteratee) {\n var index = -1,\n length = array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n if (!index || !eq(computed, seen)) {\n var seen = computed;\n result[resIndex++] = value === 0 ? 0 : value;\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.toNumber` which doesn't ensure correct\n * conversions of binary, hexadecimal, or octal string values.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n */\n function baseToNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n return +value;\n }\n\n /**\n * The base implementation of `_.toString` which doesn't convert nullish\n * values to empty strings.\n *\n * @private\n * @param {*} value The value to process.\n * @returns {string} Returns the string.\n */\n function baseToString(value) {\n // Exit early for strings to avoid a performance hit in some environments.\n if (typeof value == 'string') {\n return value;\n }\n if (isArray(value)) {\n // Recursively convert values (susceptible to call stack limits).\n return arrayMap(value, baseToString) + '';\n }\n if (isSymbol(value)) {\n return symbolToString ? symbolToString.call(value) : '';\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n */\n function baseUniq(array, iteratee, comparator) {\n var index = -1,\n includes = arrayIncludes,\n length = array.length,\n isCommon = true,\n result = [],\n seen = result;\n\n if (comparator) {\n isCommon = false;\n includes = arrayIncludesWith;\n }\n else if (length >= LARGE_ARRAY_SIZE) {\n var set = iteratee ? null : createSet(array);\n if (set) {\n return setToArray(set);\n }\n isCommon = false;\n includes = cacheHas;\n seen = new SetCache;\n }\n else {\n seen = iteratee ? [] : result;\n }\n outer:\n while (++index < length) {\n var value = array[index],\n computed = iteratee ? iteratee(value) : value;\n\n value = (comparator || value !== 0) ? value : 0;\n if (isCommon && computed === computed) {\n var seenIndex = seen.length;\n while (seenIndex--) {\n if (seen[seenIndex] === computed) {\n continue outer;\n }\n }\n if (iteratee) {\n seen.push(computed);\n }\n result.push(value);\n }\n else if (!includes(seen, computed, comparator)) {\n if (seen !== result) {\n seen.push(computed);\n }\n result.push(value);\n }\n }\n return result;\n }\n\n /**\n * The base implementation of `_.unset`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The property path to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n */\n function baseUnset(object, path) {\n path = castPath(path, object);\n object = parent(object, path);\n return object == null || delete object[toKey(last(path))];\n }\n\n /**\n * The base implementation of `_.update`.\n *\n * @private\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to update.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize path creation.\n * @returns {Object} Returns `object`.\n */\n function baseUpdate(object, path, updater, customizer) {\n return baseSet(object, path, updater(baseGet(object, path)), customizer);\n }\n\n /**\n * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n * without support for iteratee shorthands.\n *\n * @private\n * @param {Array} array The array to query.\n * @param {Function} predicate The function invoked per iteration.\n * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Array} Returns the slice of `array`.\n */\n function baseWhile(array, predicate, isDrop, fromRight) {\n var length = array.length,\n index = fromRight ? length : -1;\n\n while ((fromRight ? index-- : ++index < length) &&\n predicate(array[index], index, array)) {}\n\n return isDrop\n ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n }\n\n /**\n * The base implementation of `wrapperValue` which returns the result of\n * performing a sequence of actions on the unwrapped `value`, where each\n * successive action is supplied the return value of the previous.\n *\n * @private\n * @param {*} value The unwrapped value.\n * @param {Array} actions Actions to perform to resolve the unwrapped value.\n * @returns {*} Returns the resolved value.\n */\n function baseWrapperValue(value, actions) {\n var result = value;\n if (result instanceof LazyWrapper) {\n result = result.value();\n }\n return arrayReduce(actions, function(result, action) {\n return action.func.apply(action.thisArg, arrayPush([result], action.args));\n }, result);\n }\n\n /**\n * The base implementation of methods like `_.xor`, without support for\n * iteratee shorthands, that accepts an array of arrays to inspect.\n *\n * @private\n * @param {Array} arrays The arrays to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of values.\n */\n function baseXor(arrays, iteratee, comparator) {\n var length = arrays.length;\n if (length < 2) {\n return length ? baseUniq(arrays[0]) : [];\n }\n var index = -1,\n result = Array(length);\n\n while (++index < length) {\n var array = arrays[index],\n othIndex = -1;\n\n while (++othIndex < length) {\n if (othIndex != index) {\n result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n }\n }\n }\n return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n }\n\n /**\n * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n *\n * @private\n * @param {Array} props The property identifiers.\n * @param {Array} values The property values.\n * @param {Function} assignFunc The function to assign values.\n * @returns {Object} Returns the new object.\n */\n function baseZipObject(props, values, assignFunc) {\n var index = -1,\n length = props.length,\n valsLength = values.length,\n result = {};\n\n while (++index < length) {\n var value = index < valsLength ? values[index] : undefined;\n assignFunc(result, props[index], value);\n }\n return result;\n }\n\n /**\n * Casts `value` to an empty array if it's not an array like object.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Array|Object} Returns the cast array-like object.\n */\n function castArrayLikeObject(value) {\n return isArrayLikeObject(value) ? value : [];\n }\n\n /**\n * Casts `value` to `identity` if it's not a function.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {Function} Returns cast function.\n */\n function castFunction(value) {\n return typeof value == 'function' ? value : identity;\n }\n\n /**\n * Casts `value` to a path array if it's not one.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {Object} [object] The object to query keys on.\n * @returns {Array} Returns the cast property path array.\n */\n function castPath(value, object) {\n if (isArray(value)) {\n return value;\n }\n return isKey(value, object) ? [value] : stringToPath(toString(value));\n }\n\n /**\n * A `baseRest` alias which can be replaced with `identity` by module\n * replacement plugins.\n *\n * @private\n * @type {Function}\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n var castRest = baseRest;\n\n /**\n * Casts `array` to a slice if it's needed.\n *\n * @private\n * @param {Array} array The array to inspect.\n * @param {number} start The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the cast slice.\n */\n function castSlice(array, start, end) {\n var length = array.length;\n end = end === undefined ? length : end;\n return (!start && end >= length) ? array : baseSlice(array, start, end);\n }\n\n /**\n * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n *\n * @private\n * @param {number|Object} id The timer id or timeout object of the timer to clear.\n */\n var clearTimeout = ctxClearTimeout || function(id) {\n return root.clearTimeout(id);\n };\n\n /**\n * Creates a clone of `buffer`.\n *\n * @private\n * @param {Buffer} buffer The buffer to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Buffer} Returns the cloned buffer.\n */\n function cloneBuffer(buffer, isDeep) {\n if (isDeep) {\n return buffer.slice();\n }\n var length = buffer.length,\n result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n buffer.copy(result);\n return result;\n }\n\n /**\n * Creates a clone of `arrayBuffer`.\n *\n * @private\n * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n * @returns {ArrayBuffer} Returns the cloned array buffer.\n */\n function cloneArrayBuffer(arrayBuffer) {\n var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n return result;\n }\n\n /**\n * Creates a clone of `dataView`.\n *\n * @private\n * @param {Object} dataView The data view to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned data view.\n */\n function cloneDataView(dataView, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n }\n\n /**\n * Creates a clone of `regexp`.\n *\n * @private\n * @param {Object} regexp The regexp to clone.\n * @returns {Object} Returns the cloned regexp.\n */\n function cloneRegExp(regexp) {\n var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n result.lastIndex = regexp.lastIndex;\n return result;\n }\n\n /**\n * Creates a clone of the `symbol` object.\n *\n * @private\n * @param {Object} symbol The symbol object to clone.\n * @returns {Object} Returns the cloned symbol object.\n */\n function cloneSymbol(symbol) {\n return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n }\n\n /**\n * Creates a clone of `typedArray`.\n *\n * @private\n * @param {Object} typedArray The typed array to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the cloned typed array.\n */\n function cloneTypedArray(typedArray, isDeep) {\n var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n }\n\n /**\n * Compares values to sort them in ascending order.\n *\n * @private\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {number} Returns the sort order indicator for `value`.\n */\n function compareAscending(value, other) {\n if (value !== other) {\n var valIsDefined = value !== undefined,\n valIsNull = value === null,\n valIsReflexive = value === value,\n valIsSymbol = isSymbol(value);\n\n var othIsDefined = other !== undefined,\n othIsNull = other === null,\n othIsReflexive = other === other,\n othIsSymbol = isSymbol(other);\n\n if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n (valIsNull && othIsDefined && othIsReflexive) ||\n (!valIsDefined && othIsReflexive) ||\n !valIsReflexive) {\n return 1;\n }\n if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n (othIsNull && valIsDefined && valIsReflexive) ||\n (!othIsDefined && valIsReflexive) ||\n !othIsReflexive) {\n return -1;\n }\n }\n return 0;\n }\n\n /**\n * Used by `_.orderBy` to compare multiple properties of a value to another\n * and stable sort them.\n *\n * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n * of corresponding values.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {boolean[]|string[]} orders The order to sort by for each property.\n * @returns {number} Returns the sort order indicator for `object`.\n */\n function compareMultiple(object, other, orders) {\n var index = -1,\n objCriteria = object.criteria,\n othCriteria = other.criteria,\n length = objCriteria.length,\n ordersLength = orders.length;\n\n while (++index < length) {\n var result = compareAscending(objCriteria[index], othCriteria[index]);\n if (result) {\n if (index >= ordersLength) {\n return result;\n }\n var order = orders[index];\n return result * (order == 'desc' ? -1 : 1);\n }\n }\n // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n // that causes it, under certain circumstances, to provide the same value for\n // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n // for more details.\n //\n // This also ensures a stable sort in V8 and other engines.\n // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n return object.index - other.index;\n }\n\n /**\n * Creates an array that is the composition of partially applied arguments,\n * placeholders, and provided arguments into a single array of arguments.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to prepend to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgs(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersLength = holders.length,\n leftIndex = -1,\n leftLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(leftLength + rangeLength),\n isUncurried = !isCurried;\n\n while (++leftIndex < leftLength) {\n result[leftIndex] = partials[leftIndex];\n }\n while (++argsIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[holders[argsIndex]] = args[argsIndex];\n }\n }\n while (rangeLength--) {\n result[leftIndex++] = args[argsIndex++];\n }\n return result;\n }\n\n /**\n * This function is like `composeArgs` except that the arguments composition\n * is tailored for `_.partialRight`.\n *\n * @private\n * @param {Array} args The provided arguments.\n * @param {Array} partials The arguments to append to those provided.\n * @param {Array} holders The `partials` placeholder indexes.\n * @params {boolean} [isCurried] Specify composing for a curried function.\n * @returns {Array} Returns the new array of composed arguments.\n */\n function composeArgsRight(args, partials, holders, isCurried) {\n var argsIndex = -1,\n argsLength = args.length,\n holdersIndex = -1,\n holdersLength = holders.length,\n rightIndex = -1,\n rightLength = partials.length,\n rangeLength = nativeMax(argsLength - holdersLength, 0),\n result = Array(rangeLength + rightLength),\n isUncurried = !isCurried;\n\n while (++argsIndex < rangeLength) {\n result[argsIndex] = args[argsIndex];\n }\n var offset = argsIndex;\n while (++rightIndex < rightLength) {\n result[offset + rightIndex] = partials[rightIndex];\n }\n while (++holdersIndex < holdersLength) {\n if (isUncurried || argsIndex < argsLength) {\n result[offset + holders[holdersIndex]] = args[argsIndex++];\n }\n }\n return result;\n }\n\n /**\n * Copies the values of `source` to `array`.\n *\n * @private\n * @param {Array} source The array to copy values from.\n * @param {Array} [array=[]] The array to copy values to.\n * @returns {Array} Returns `array`.\n */\n function copyArray(source, array) {\n var index = -1,\n length = source.length;\n\n array || (array = Array(length));\n while (++index < length) {\n array[index] = source[index];\n }\n return array;\n }\n\n /**\n * Copies properties of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy properties from.\n * @param {Array} props The property identifiers to copy.\n * @param {Object} [object={}] The object to copy properties to.\n * @param {Function} [customizer] The function to customize copied values.\n * @returns {Object} Returns `object`.\n */\n function copyObject(source, props, object, customizer) {\n var isNew = !object;\n object || (object = {});\n\n var index = -1,\n length = props.length;\n\n while (++index < length) {\n var key = props[index];\n\n var newValue = customizer\n ? customizer(object[key], source[key], key, object, source)\n : undefined;\n\n if (newValue === undefined) {\n newValue = source[key];\n }\n if (isNew) {\n baseAssignValue(object, key, newValue);\n } else {\n assignValue(object, key, newValue);\n }\n }\n return object;\n }\n\n /**\n * Copies own symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbols(source, object) {\n return copyObject(source, getSymbols(source), object);\n }\n\n /**\n * Copies own and inherited symbols of `source` to `object`.\n *\n * @private\n * @param {Object} source The object to copy symbols from.\n * @param {Object} [object={}] The object to copy symbols to.\n * @returns {Object} Returns `object`.\n */\n function copySymbolsIn(source, object) {\n return copyObject(source, getSymbolsIn(source), object);\n }\n\n /**\n * Creates a function like `_.groupBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} [initializer] The accumulator object initializer.\n * @returns {Function} Returns the new aggregator function.\n */\n function createAggregator(setter, initializer) {\n return function(collection, iteratee) {\n var func = isArray(collection) ? arrayAggregator : baseAggregator,\n accumulator = initializer ? initializer() : {};\n\n return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n };\n }\n\n /**\n * Creates a function like `_.assign`.\n *\n * @private\n * @param {Function} assigner The function to assign values.\n * @returns {Function} Returns the new assigner function.\n */\n function createAssigner(assigner) {\n return baseRest(function(object, sources) {\n var index = -1,\n length = sources.length,\n customizer = length > 1 ? sources[length - 1] : undefined,\n guard = length > 2 ? sources[2] : undefined;\n\n customizer = (assigner.length > 3 && typeof customizer == 'function')\n ? (length--, customizer)\n : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n customizer = length < 3 ? undefined : customizer;\n length = 1;\n }\n object = Object(object);\n while (++index < length) {\n var source = sources[index];\n if (source) {\n assigner(object, source, index, customizer);\n }\n }\n return object;\n });\n }\n\n /**\n * Creates a `baseEach` or `baseEachRight` function.\n *\n * @private\n * @param {Function} eachFunc The function to iterate over a collection.\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseEach(eachFunc, fromRight) {\n return function(collection, iteratee) {\n if (collection == null) {\n return collection;\n }\n if (!isArrayLike(collection)) {\n return eachFunc(collection, iteratee);\n }\n var length = collection.length,\n index = fromRight ? length : -1,\n iterable = Object(collection);\n\n while ((fromRight ? index-- : ++index < length)) {\n if (iteratee(iterable[index], index, iterable) === false) {\n break;\n }\n }\n return collection;\n };\n }\n\n /**\n * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new base function.\n */\n function createBaseFor(fromRight) {\n return function(object, iteratee, keysFunc) {\n var index = -1,\n iterable = Object(object),\n props = keysFunc(object),\n length = props.length;\n\n while (length--) {\n var key = props[fromRight ? length : ++index];\n if (iteratee(iterable[key], key, iterable) === false) {\n break;\n }\n }\n return object;\n };\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the optional `this`\n * binding of `thisArg`.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createBind(func, bitmask, thisArg) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return fn.apply(isBind ? thisArg : this, arguments);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.lowerFirst`.\n *\n * @private\n * @param {string} methodName The name of the `String` case method to use.\n * @returns {Function} Returns the new case function.\n */\n function createCaseFirst(methodName) {\n return function(string) {\n string = toString(string);\n\n var strSymbols = hasUnicode(string)\n ? stringToArray(string)\n : undefined;\n\n var chr = strSymbols\n ? strSymbols[0]\n : string.charAt(0);\n\n var trailing = strSymbols\n ? castSlice(strSymbols, 1).join('')\n : string.slice(1);\n\n return chr[methodName]() + trailing;\n };\n }\n\n /**\n * Creates a function like `_.camelCase`.\n *\n * @private\n * @param {Function} callback The function to combine each word.\n * @returns {Function} Returns the new compounder function.\n */\n function createCompounder(callback) {\n return function(string) {\n return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n };\n }\n\n /**\n * Creates a function that produces an instance of `Ctor` regardless of\n * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n *\n * @private\n * @param {Function} Ctor The constructor to wrap.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCtor(Ctor) {\n return function() {\n // Use a `switch` statement to work with class constructors. See\n // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n // for more details.\n var args = arguments;\n switch (args.length) {\n case 0: return new Ctor;\n case 1: return new Ctor(args[0]);\n case 2: return new Ctor(args[0], args[1]);\n case 3: return new Ctor(args[0], args[1], args[2]);\n case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n }\n var thisBinding = baseCreate(Ctor.prototype),\n result = Ctor.apply(thisBinding, args);\n\n // Mimic the constructor's `return` behavior.\n // See https://es5.github.io/#x13.2.2 for more details.\n return isObject(result) ? result : thisBinding;\n };\n }\n\n /**\n * Creates a function that wraps `func` to enable currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {number} arity The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createCurry(func, bitmask, arity) {\n var Ctor = createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length,\n placeholder = getHolder(wrapper);\n\n while (index--) {\n args[index] = arguments[index];\n }\n var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n ? []\n : replaceHolders(args, placeholder);\n\n length -= holders.length;\n if (length < arity) {\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, undefined,\n args, holders, undefined, undefined, arity - length);\n }\n var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n return apply(fn, this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.find` or `_.findLast` function.\n *\n * @private\n * @param {Function} findIndexFunc The function to find the collection index.\n * @returns {Function} Returns the new find function.\n */\n function createFind(findIndexFunc) {\n return function(collection, predicate, fromIndex) {\n var iterable = Object(collection);\n if (!isArrayLike(collection)) {\n var iteratee = getIteratee(predicate, 3);\n collection = keys(collection);\n predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n }\n var index = findIndexFunc(collection, predicate, fromIndex);\n return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n };\n }\n\n /**\n * Creates a `_.flow` or `_.flowRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new flow function.\n */\n function createFlow(fromRight) {\n return flatRest(function(funcs) {\n var length = funcs.length,\n index = length,\n prereq = LodashWrapper.prototype.thru;\n\n if (fromRight) {\n funcs.reverse();\n }\n while (index--) {\n var func = funcs[index];\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n var wrapper = new LodashWrapper([], true);\n }\n }\n index = wrapper ? index : length;\n while (++index < length) {\n func = funcs[index];\n\n var funcName = getFuncName(func),\n data = funcName == 'wrapper' ? getData(func) : undefined;\n\n if (data && isLaziable(data[0]) &&\n data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n !data[4].length && data[9] == 1\n ) {\n wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n } else {\n wrapper = (func.length == 1 && isLaziable(func))\n ? wrapper[funcName]()\n : wrapper.thru(func);\n }\n }\n return function() {\n var args = arguments,\n value = args[0];\n\n if (wrapper && args.length == 1 && isArray(value)) {\n return wrapper.plant(value).value();\n }\n var index = 0,\n result = length ? funcs[index].apply(this, args) : value;\n\n while (++index < length) {\n result = funcs[index].call(this, result);\n }\n return result;\n };\n });\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with optional `this`\n * binding of `thisArg`, partial application, and currying.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [partialsRight] The arguments to append to those provided\n * to the new function.\n * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n var isAry = bitmask & WRAP_ARY_FLAG,\n isBind = bitmask & WRAP_BIND_FLAG,\n isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n isFlip = bitmask & WRAP_FLIP_FLAG,\n Ctor = isBindKey ? undefined : createCtor(func);\n\n function wrapper() {\n var length = arguments.length,\n args = Array(length),\n index = length;\n\n while (index--) {\n args[index] = arguments[index];\n }\n if (isCurried) {\n var placeholder = getHolder(wrapper),\n holdersCount = countHolders(args, placeholder);\n }\n if (partials) {\n args = composeArgs(args, partials, holders, isCurried);\n }\n if (partialsRight) {\n args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n }\n length -= holdersCount;\n if (isCurried && length < arity) {\n var newHolders = replaceHolders(args, placeholder);\n return createRecurry(\n func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n args, newHolders, argPos, ary, arity - length\n );\n }\n var thisBinding = isBind ? thisArg : this,\n fn = isBindKey ? thisBinding[func] : func;\n\n length = args.length;\n if (argPos) {\n args = reorder(args, argPos);\n } else if (isFlip && length > 1) {\n args.reverse();\n }\n if (isAry && ary < length) {\n args.length = ary;\n }\n if (this && this !== root && this instanceof wrapper) {\n fn = Ctor || createCtor(fn);\n }\n return fn.apply(thisBinding, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a function like `_.invertBy`.\n *\n * @private\n * @param {Function} setter The function to set accumulator values.\n * @param {Function} toIteratee The function to resolve iteratees.\n * @returns {Function} Returns the new inverter function.\n */\n function createInverter(setter, toIteratee) {\n return function(object, iteratee) {\n return baseInverter(object, setter, toIteratee(iteratee), {});\n };\n }\n\n /**\n * Creates a function that performs a mathematical operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @param {number} [defaultValue] The value used for `undefined` arguments.\n * @returns {Function} Returns the new mathematical operation function.\n */\n function createMathOperation(operator, defaultValue) {\n return function(value, other) {\n var result;\n if (value === undefined && other === undefined) {\n return defaultValue;\n }\n if (value !== undefined) {\n result = value;\n }\n if (other !== undefined) {\n if (result === undefined) {\n return other;\n }\n if (typeof value == 'string' || typeof other == 'string') {\n value = baseToString(value);\n other = baseToString(other);\n } else {\n value = baseToNumber(value);\n other = baseToNumber(other);\n }\n result = operator(value, other);\n }\n return result;\n };\n }\n\n /**\n * Creates a function like `_.over`.\n *\n * @private\n * @param {Function} arrayFunc The function to iterate over iteratees.\n * @returns {Function} Returns the new over function.\n */\n function createOver(arrayFunc) {\n return flatRest(function(iteratees) {\n iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n return baseRest(function(args) {\n var thisArg = this;\n return arrayFunc(iteratees, function(iteratee) {\n return apply(iteratee, thisArg, args);\n });\n });\n });\n }\n\n /**\n * Creates the padding for `string` based on `length`. The `chars` string\n * is truncated if the number of characters exceeds `length`.\n *\n * @private\n * @param {number} length The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padding for `string`.\n */\n function createPadding(length, chars) {\n chars = chars === undefined ? ' ' : baseToString(chars);\n\n var charsLength = chars.length;\n if (charsLength < 2) {\n return charsLength ? baseRepeat(chars, length) : chars;\n }\n var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n return hasUnicode(chars)\n ? castSlice(stringToArray(result), 0, length).join('')\n : result.slice(0, length);\n }\n\n /**\n * Creates a function that wraps `func` to invoke it with the `this` binding\n * of `thisArg` and `partials` prepended to the arguments it receives.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {Array} partials The arguments to prepend to those provided to\n * the new function.\n * @returns {Function} Returns the new wrapped function.\n */\n function createPartial(func, bitmask, thisArg, partials) {\n var isBind = bitmask & WRAP_BIND_FLAG,\n Ctor = createCtor(func);\n\n function wrapper() {\n var argsIndex = -1,\n argsLength = arguments.length,\n leftIndex = -1,\n leftLength = partials.length,\n args = Array(leftLength + argsLength),\n fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n while (++leftIndex < leftLength) {\n args[leftIndex] = partials[leftIndex];\n }\n while (argsLength--) {\n args[leftIndex++] = arguments[++argsIndex];\n }\n return apply(fn, isBind ? thisArg : this, args);\n }\n return wrapper;\n }\n\n /**\n * Creates a `_.range` or `_.rangeRight` function.\n *\n * @private\n * @param {boolean} [fromRight] Specify iterating from right to left.\n * @returns {Function} Returns the new range function.\n */\n function createRange(fromRight) {\n return function(start, end, step) {\n if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n end = step = undefined;\n }\n // Ensure the sign of `-0` is preserved.\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n return baseRange(start, end, step, fromRight);\n };\n }\n\n /**\n * Creates a function that performs a relational operation on two values.\n *\n * @private\n * @param {Function} operator The function to perform the operation.\n * @returns {Function} Returns the new relational operation function.\n */\n function createRelationalOperation(operator) {\n return function(value, other) {\n if (!(typeof value == 'string' && typeof other == 'string')) {\n value = toNumber(value);\n other = toNumber(other);\n }\n return operator(value, other);\n };\n }\n\n /**\n * Creates a function that wraps `func` to continue currying.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @param {Function} wrapFunc The function to create the `func` wrapper.\n * @param {*} placeholder The placeholder value.\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to prepend to those provided to\n * the new function.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n var isCurry = bitmask & WRAP_CURRY_FLAG,\n newHolders = isCurry ? holders : undefined,\n newHoldersRight = isCurry ? undefined : holders,\n newPartials = isCurry ? partials : undefined,\n newPartialsRight = isCurry ? undefined : partials;\n\n bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n }\n var newData = [\n func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n newHoldersRight, argPos, ary, arity\n ];\n\n var result = wrapFunc.apply(undefined, newData);\n if (isLaziable(func)) {\n setData(result, newData);\n }\n result.placeholder = placeholder;\n return setWrapToString(result, func, bitmask);\n }\n\n /**\n * Creates a function like `_.round`.\n *\n * @private\n * @param {string} methodName The name of the `Math` method to use when rounding.\n * @returns {Function} Returns the new round function.\n */\n function createRound(methodName) {\n var func = Math[methodName];\n return function(number, precision) {\n number = toNumber(number);\n precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n if (precision && nativeIsFinite(number)) {\n // Shift with exponential notation to avoid floating-point issues.\n // See [MDN](https://mdn.io/round#Examples) for more details.\n var pair = (toString(number) + 'e').split('e'),\n value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n pair = (toString(value) + 'e').split('e');\n return +(pair[0] + 'e' + (+pair[1] - precision));\n }\n return func(number);\n };\n }\n\n /**\n * Creates a set object of `values`.\n *\n * @private\n * @param {Array} values The values to add to the set.\n * @returns {Object} Returns the new set.\n */\n var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n return new Set(values);\n };\n\n /**\n * Creates a `_.toPairs` or `_.toPairsIn` function.\n *\n * @private\n * @param {Function} keysFunc The function to get the keys of a given object.\n * @returns {Function} Returns the new pairs function.\n */\n function createToPairs(keysFunc) {\n return function(object) {\n var tag = getTag(object);\n if (tag == mapTag) {\n return mapToArray(object);\n }\n if (tag == setTag) {\n return setToPairs(object);\n }\n return baseToPairs(object, keysFunc(object));\n };\n }\n\n /**\n * Creates a function that either curries or invokes `func` with optional\n * `this` binding and partially applied arguments.\n *\n * @private\n * @param {Function|string} func The function or method name to wrap.\n * @param {number} bitmask The bitmask flags.\n * 1 - `_.bind`\n * 2 - `_.bindKey`\n * 4 - `_.curry` or `_.curryRight` of a bound function\n * 8 - `_.curry`\n * 16 - `_.curryRight`\n * 32 - `_.partial`\n * 64 - `_.partialRight`\n * 128 - `_.rearg`\n * 256 - `_.ary`\n * 512 - `_.flip`\n * @param {*} [thisArg] The `this` binding of `func`.\n * @param {Array} [partials] The arguments to be partially applied.\n * @param {Array} [holders] The `partials` placeholder indexes.\n * @param {Array} [argPos] The argument positions of the new function.\n * @param {number} [ary] The arity cap of `func`.\n * @param {number} [arity] The arity of `func`.\n * @returns {Function} Returns the new wrapped function.\n */\n function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n if (!isBindKey && typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var length = partials ? partials.length : 0;\n if (!length) {\n bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n partials = holders = undefined;\n }\n ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n arity = arity === undefined ? arity : toInteger(arity);\n length -= holders ? holders.length : 0;\n\n if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n var partialsRight = partials,\n holdersRight = holders;\n\n partials = holders = undefined;\n }\n var data = isBindKey ? undefined : getData(func);\n\n var newData = [\n func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n argPos, ary, arity\n ];\n\n if (data) {\n mergeData(newData, data);\n }\n func = newData[0];\n bitmask = newData[1];\n thisArg = newData[2];\n partials = newData[3];\n holders = newData[4];\n arity = newData[9] = newData[9] === undefined\n ? (isBindKey ? 0 : func.length)\n : nativeMax(newData[9] - length, 0);\n\n if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n }\n if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n var result = createBind(func, bitmask, thisArg);\n } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n result = createCurry(func, bitmask, arity);\n } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n result = createPartial(func, bitmask, thisArg, partials);\n } else {\n result = createHybrid.apply(undefined, newData);\n }\n var setter = data ? baseSetData : setData;\n return setWrapToString(setter(result, newData), func, bitmask);\n }\n\n /**\n * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n * of source objects to the destination object for all destination properties\n * that resolve to `undefined`.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to assign.\n * @param {Object} object The parent object of `objValue`.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsAssignIn(objValue, srcValue, key, object) {\n if (objValue === undefined ||\n (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n return srcValue;\n }\n return objValue;\n }\n\n /**\n * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n * objects into destination objects that are passed thru.\n *\n * @private\n * @param {*} objValue The destination value.\n * @param {*} srcValue The source value.\n * @param {string} key The key of the property to merge.\n * @param {Object} object The parent object of `objValue`.\n * @param {Object} source The parent object of `srcValue`.\n * @param {Object} [stack] Tracks traversed source values and their merged\n * counterparts.\n * @returns {*} Returns the value to assign.\n */\n function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n if (isObject(objValue) && isObject(srcValue)) {\n // Recursively merge objects and arrays (susceptible to call stack limits).\n stack.set(srcValue, objValue);\n baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n stack['delete'](srcValue);\n }\n return objValue;\n }\n\n /**\n * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n * objects.\n *\n * @private\n * @param {*} value The value to inspect.\n * @param {string} key The key of the property to inspect.\n * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n */\n function customOmitClone(value) {\n return isPlainObject(value) ? undefined : value;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for arrays with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Array} array The array to compare.\n * @param {Array} other The other array to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `array` and `other` objects.\n * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n */\n function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n arrLength = array.length,\n othLength = other.length;\n\n if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n return false;\n }\n // Check that cyclic values are equal.\n var arrStacked = stack.get(array);\n var othStacked = stack.get(other);\n if (arrStacked && othStacked) {\n return arrStacked == other && othStacked == array;\n }\n var index = -1,\n result = true,\n seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n stack.set(array, other);\n stack.set(other, array);\n\n // Ignore non-index properties.\n while (++index < arrLength) {\n var arrValue = array[index],\n othValue = other[index];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, arrValue, index, other, array, stack)\n : customizer(arrValue, othValue, index, array, other, stack);\n }\n if (compared !== undefined) {\n if (compared) {\n continue;\n }\n result = false;\n break;\n }\n // Recursively compare arrays (susceptible to call stack limits).\n if (seen) {\n if (!arraySome(other, function(othValue, othIndex) {\n if (!cacheHas(seen, othIndex) &&\n (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n return seen.push(othIndex);\n }\n })) {\n result = false;\n break;\n }\n } else if (!(\n arrValue === othValue ||\n equalFunc(arrValue, othValue, bitmask, customizer, stack)\n )) {\n result = false;\n break;\n }\n }\n stack['delete'](array);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for comparing objects of\n * the same `toStringTag`.\n *\n * **Note:** This function only supports comparing values with tags of\n * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {string} tag The `toStringTag` of the objects to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n switch (tag) {\n case dataViewTag:\n if ((object.byteLength != other.byteLength) ||\n (object.byteOffset != other.byteOffset)) {\n return false;\n }\n object = object.buffer;\n other = other.buffer;\n\n case arrayBufferTag:\n if ((object.byteLength != other.byteLength) ||\n !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n return false;\n }\n return true;\n\n case boolTag:\n case dateTag:\n case numberTag:\n // Coerce booleans to `1` or `0` and dates to milliseconds.\n // Invalid dates are coerced to `NaN`.\n return eq(+object, +other);\n\n case errorTag:\n return object.name == other.name && object.message == other.message;\n\n case regexpTag:\n case stringTag:\n // Coerce regexes to strings and treat strings, primitives and objects,\n // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n // for more details.\n return object == (other + '');\n\n case mapTag:\n var convert = mapToArray;\n\n case setTag:\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n convert || (convert = setToArray);\n\n if (object.size != other.size && !isPartial) {\n return false;\n }\n // Assume cyclic values are equal.\n var stacked = stack.get(object);\n if (stacked) {\n return stacked == other;\n }\n bitmask |= COMPARE_UNORDERED_FLAG;\n\n // Recursively compare objects (susceptible to call stack limits).\n stack.set(object, other);\n var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n stack['delete'](object);\n return result;\n\n case symbolTag:\n if (symbolValueOf) {\n return symbolValueOf.call(object) == symbolValueOf.call(other);\n }\n }\n return false;\n }\n\n /**\n * A specialized version of `baseIsEqualDeep` for objects with support for\n * partial deep comparisons.\n *\n * @private\n * @param {Object} object The object to compare.\n * @param {Object} other The other object to compare.\n * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n * @param {Function} customizer The function to customize comparisons.\n * @param {Function} equalFunc The function to determine equivalents of values.\n * @param {Object} stack Tracks traversed `object` and `other` objects.\n * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n */\n function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n objProps = getAllKeys(object),\n objLength = objProps.length,\n othProps = getAllKeys(other),\n othLength = othProps.length;\n\n if (objLength != othLength && !isPartial) {\n return false;\n }\n var index = objLength;\n while (index--) {\n var key = objProps[index];\n if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n return false;\n }\n }\n // Check that cyclic values are equal.\n var objStacked = stack.get(object);\n var othStacked = stack.get(other);\n if (objStacked && othStacked) {\n return objStacked == other && othStacked == object;\n }\n var result = true;\n stack.set(object, other);\n stack.set(other, object);\n\n var skipCtor = isPartial;\n while (++index < objLength) {\n key = objProps[index];\n var objValue = object[key],\n othValue = other[key];\n\n if (customizer) {\n var compared = isPartial\n ? customizer(othValue, objValue, key, other, object, stack)\n : customizer(objValue, othValue, key, object, other, stack);\n }\n // Recursively compare objects (susceptible to call stack limits).\n if (!(compared === undefined\n ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n : compared\n )) {\n result = false;\n break;\n }\n skipCtor || (skipCtor = key == 'constructor');\n }\n if (result && !skipCtor) {\n var objCtor = object.constructor,\n othCtor = other.constructor;\n\n // Non `Object` object instances with different constructors are not equal.\n if (objCtor != othCtor &&\n ('constructor' in object && 'constructor' in other) &&\n !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n result = false;\n }\n }\n stack['delete'](object);\n stack['delete'](other);\n return result;\n }\n\n /**\n * A specialized version of `baseRest` which flattens the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @returns {Function} Returns the new function.\n */\n function flatRest(func) {\n return setToString(overRest(func, undefined, flatten), func + '');\n }\n\n /**\n * Creates an array of own enumerable property names and symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeys(object) {\n return baseGetAllKeys(object, keys, getSymbols);\n }\n\n /**\n * Creates an array of own and inherited enumerable property names and\n * symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names and symbols.\n */\n function getAllKeysIn(object) {\n return baseGetAllKeys(object, keysIn, getSymbolsIn);\n }\n\n /**\n * Gets metadata for `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {*} Returns the metadata for `func`.\n */\n var getData = !metaMap ? noop : function(func) {\n return metaMap.get(func);\n };\n\n /**\n * Gets the name of `func`.\n *\n * @private\n * @param {Function} func The function to query.\n * @returns {string} Returns the function name.\n */\n function getFuncName(func) {\n var result = (func.name + ''),\n array = realNames[result],\n length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n while (length--) {\n var data = array[length],\n otherFunc = data.func;\n if (otherFunc == null || otherFunc == func) {\n return data.name;\n }\n }\n return result;\n }\n\n /**\n * Gets the argument placeholder value for `func`.\n *\n * @private\n * @param {Function} func The function to inspect.\n * @returns {*} Returns the placeholder value.\n */\n function getHolder(func) {\n var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n return object.placeholder;\n }\n\n /**\n * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n * this function returns the custom method, otherwise it returns `baseIteratee`.\n * If arguments are provided, the chosen function is invoked with them and\n * its result is returned.\n *\n * @private\n * @param {*} [value] The value to convert to an iteratee.\n * @param {number} [arity] The arity of the created iteratee.\n * @returns {Function} Returns the chosen function or its result.\n */\n function getIteratee() {\n var result = lodash.iteratee || iteratee;\n result = result === iteratee ? baseIteratee : result;\n return arguments.length ? result(arguments[0], arguments[1]) : result;\n }\n\n /**\n * Gets the data for `map`.\n *\n * @private\n * @param {Object} map The map to query.\n * @param {string} key The reference key.\n * @returns {*} Returns the map data.\n */\n function getMapData(map, key) {\n var data = map.__data__;\n return isKeyable(key)\n ? data[typeof key == 'string' ? 'string' : 'hash']\n : data.map;\n }\n\n /**\n * Gets the property names, values, and compare flags of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the match data of `object`.\n */\n function getMatchData(object) {\n var result = keys(object),\n length = result.length;\n\n while (length--) {\n var key = result[length],\n value = object[key];\n\n result[length] = [key, value, isStrictComparable(value)];\n }\n return result;\n }\n\n /**\n * Gets the native function at `key` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the method to get.\n * @returns {*} Returns the function if it's native, else `undefined`.\n */\n function getNative(object, key) {\n var value = getValue(object, key);\n return baseIsNative(value) ? value : undefined;\n }\n\n /**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\n function getRawTag(value) {\n var isOwn = hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n }\n\n /**\n * Creates an array of the own enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n if (object == null) {\n return [];\n }\n object = Object(object);\n return arrayFilter(nativeGetSymbols(object), function(symbol) {\n return propertyIsEnumerable.call(object, symbol);\n });\n };\n\n /**\n * Creates an array of the own and inherited enumerable symbols of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of symbols.\n */\n var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n var result = [];\n while (object) {\n arrayPush(result, getSymbols(object));\n object = getPrototype(object);\n }\n return result;\n };\n\n /**\n * Gets the `toStringTag` of `value`.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\n var getTag = baseGetTag;\n\n // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n (Map && getTag(new Map) != mapTag) ||\n (Promise && getTag(Promise.resolve()) != promiseTag) ||\n (Set && getTag(new Set) != setTag) ||\n (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n getTag = function(value) {\n var result = baseGetTag(value),\n Ctor = result == objectTag ? value.constructor : undefined,\n ctorString = Ctor ? toSource(Ctor) : '';\n\n if (ctorString) {\n switch (ctorString) {\n case dataViewCtorString: return dataViewTag;\n case mapCtorString: return mapTag;\n case promiseCtorString: return promiseTag;\n case setCtorString: return setTag;\n case weakMapCtorString: return weakMapTag;\n }\n }\n return result;\n };\n }\n\n /**\n * Gets the view, applying any `transforms` to the `start` and `end` positions.\n *\n * @private\n * @param {number} start The start of the view.\n * @param {number} end The end of the view.\n * @param {Array} transforms The transformations to apply to the view.\n * @returns {Object} Returns an object containing the `start` and `end`\n * positions of the view.\n */\n function getView(start, end, transforms) {\n var index = -1,\n length = transforms.length;\n\n while (++index < length) {\n var data = transforms[index],\n size = data.size;\n\n switch (data.type) {\n case 'drop': start += size; break;\n case 'dropRight': end -= size; break;\n case 'take': end = nativeMin(end, start + size); break;\n case 'takeRight': start = nativeMax(start, end - size); break;\n }\n }\n return { 'start': start, 'end': end };\n }\n\n /**\n * Extracts wrapper details from the `source` body comment.\n *\n * @private\n * @param {string} source The source to inspect.\n * @returns {Array} Returns the wrapper details.\n */\n function getWrapDetails(source) {\n var match = source.match(reWrapDetails);\n return match ? match[1].split(reSplitDetails) : [];\n }\n\n /**\n * Checks if `path` exists on `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @param {Function} hasFunc The function to check properties.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n */\n function hasPath(object, path, hasFunc) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length,\n result = false;\n\n while (++index < length) {\n var key = toKey(path[index]);\n if (!(result = object != null && hasFunc(object, key))) {\n break;\n }\n object = object[key];\n }\n if (result || ++index != length) {\n return result;\n }\n length = object == null ? 0 : object.length;\n return !!length && isLength(length) && isIndex(key, length) &&\n (isArray(object) || isArguments(object));\n }\n\n /**\n * Initializes an array clone.\n *\n * @private\n * @param {Array} array The array to clone.\n * @returns {Array} Returns the initialized clone.\n */\n function initCloneArray(array) {\n var length = array.length,\n result = new array.constructor(length);\n\n // Add properties assigned by `RegExp#exec`.\n if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n result.index = array.index;\n result.input = array.input;\n }\n return result;\n }\n\n /**\n * Initializes an object clone.\n *\n * @private\n * @param {Object} object The object to clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneObject(object) {\n return (typeof object.constructor == 'function' && !isPrototype(object))\n ? baseCreate(getPrototype(object))\n : {};\n }\n\n /**\n * Initializes an object clone based on its `toStringTag`.\n *\n * **Note:** This function only supports cloning values with tags of\n * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n *\n * @private\n * @param {Object} object The object to clone.\n * @param {string} tag The `toStringTag` of the object to clone.\n * @param {boolean} [isDeep] Specify a deep clone.\n * @returns {Object} Returns the initialized clone.\n */\n function initCloneByTag(object, tag, isDeep) {\n var Ctor = object.constructor;\n switch (tag) {\n case arrayBufferTag:\n return cloneArrayBuffer(object);\n\n case boolTag:\n case dateTag:\n return new Ctor(+object);\n\n case dataViewTag:\n return cloneDataView(object, isDeep);\n\n case float32Tag: case float64Tag:\n case int8Tag: case int16Tag: case int32Tag:\n case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n return cloneTypedArray(object, isDeep);\n\n case mapTag:\n return new Ctor;\n\n case numberTag:\n case stringTag:\n return new Ctor(object);\n\n case regexpTag:\n return cloneRegExp(object);\n\n case setTag:\n return new Ctor;\n\n case symbolTag:\n return cloneSymbol(object);\n }\n }\n\n /**\n * Inserts wrapper `details` in a comment at the top of the `source` body.\n *\n * @private\n * @param {string} source The source to modify.\n * @returns {Array} details The details to insert.\n * @returns {string} Returns the modified source.\n */\n function insertWrapDetails(source, details) {\n var length = details.length;\n if (!length) {\n return source;\n }\n var lastIndex = length - 1;\n details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n details = details.join(length > 2 ? ', ' : ' ');\n return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n }\n\n /**\n * Checks if `value` is a flattenable `arguments` object or array.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n */\n function isFlattenable(value) {\n return isArray(value) || isArguments(value) ||\n !!(spreadableSymbol && value && value[spreadableSymbol]);\n }\n\n /**\n * Checks if `value` is a valid array-like index.\n *\n * @private\n * @param {*} value The value to check.\n * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n */\n function isIndex(value, length) {\n var type = typeof value;\n length = length == null ? MAX_SAFE_INTEGER : length;\n\n return !!length &&\n (type == 'number' ||\n (type != 'symbol' && reIsUint.test(value))) &&\n (value > -1 && value % 1 == 0 && value < length);\n }\n\n /**\n * Checks if the given arguments are from an iteratee call.\n *\n * @private\n * @param {*} value The potential iteratee value argument.\n * @param {*} index The potential iteratee index or key argument.\n * @param {*} object The potential iteratee object argument.\n * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n * else `false`.\n */\n function isIterateeCall(value, index, object) {\n if (!isObject(object)) {\n return false;\n }\n var type = typeof index;\n if (type == 'number'\n ? (isArrayLike(object) && isIndex(index, object.length))\n : (type == 'string' && index in object)\n ) {\n return eq(object[index], value);\n }\n return false;\n }\n\n /**\n * Checks if `value` is a property name and not a property path.\n *\n * @private\n * @param {*} value The value to check.\n * @param {Object} [object] The object to query keys on.\n * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n */\n function isKey(value, object) {\n if (isArray(value)) {\n return false;\n }\n var type = typeof value;\n if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n value == null || isSymbol(value)) {\n return true;\n }\n return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n (object != null && value in Object(object));\n }\n\n /**\n * Checks if `value` is suitable for use as unique object key.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n */\n function isKeyable(value) {\n var type = typeof value;\n return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n ? (value !== '__proto__')\n : (value === null);\n }\n\n /**\n * Checks if `func` has a lazy counterpart.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n * else `false`.\n */\n function isLaziable(func) {\n var funcName = getFuncName(func),\n other = lodash[funcName];\n\n if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n return false;\n }\n if (func === other) {\n return true;\n }\n var data = getData(other);\n return !!data && func === data[0];\n }\n\n /**\n * Checks if `func` has its source masked.\n *\n * @private\n * @param {Function} func The function to check.\n * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n */\n function isMasked(func) {\n return !!maskSrcKey && (maskSrcKey in func);\n }\n\n /**\n * Checks if `func` is capable of being masked.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n */\n var isMaskable = coreJsData ? isFunction : stubFalse;\n\n /**\n * Checks if `value` is likely a prototype object.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n */\n function isPrototype(value) {\n var Ctor = value && value.constructor,\n proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n return value === proto;\n }\n\n /**\n * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` if suitable for strict\n * equality comparisons, else `false`.\n */\n function isStrictComparable(value) {\n return value === value && !isObject(value);\n }\n\n /**\n * A specialized version of `matchesProperty` for source values suitable\n * for strict equality comparisons, i.e. `===`.\n *\n * @private\n * @param {string} key The key of the property to get.\n * @param {*} srcValue The value to match.\n * @returns {Function} Returns the new spec function.\n */\n function matchesStrictComparable(key, srcValue) {\n return function(object) {\n if (object == null) {\n return false;\n }\n return object[key] === srcValue &&\n (srcValue !== undefined || (key in Object(object)));\n };\n }\n\n /**\n * A specialized version of `_.memoize` which clears the memoized function's\n * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n *\n * @private\n * @param {Function} func The function to have its output memoized.\n * @returns {Function} Returns the new memoized function.\n */\n function memoizeCapped(func) {\n var result = memoize(func, function(key) {\n if (cache.size === MAX_MEMOIZE_SIZE) {\n cache.clear();\n }\n return key;\n });\n\n var cache = result.cache;\n return result;\n }\n\n /**\n * Merges the function metadata of `source` into `data`.\n *\n * Merging metadata reduces the number of wrappers used to invoke a function.\n * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n * may be applied regardless of execution order. Methods like `_.ary` and\n * `_.rearg` modify function arguments, making the order in which they are\n * executed important, preventing the merging of metadata. However, we make\n * an exception for a safe combined case where curried functions have `_.ary`\n * and or `_.rearg` applied.\n *\n * @private\n * @param {Array} data The destination metadata.\n * @param {Array} source The source metadata.\n * @returns {Array} Returns `data`.\n */\n function mergeData(data, source) {\n var bitmask = data[1],\n srcBitmask = source[1],\n newBitmask = bitmask | srcBitmask,\n isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n var isCombo =\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n // Exit early if metadata can't be merged.\n if (!(isCommon || isCombo)) {\n return data;\n }\n // Use source `thisArg` if available.\n if (srcBitmask & WRAP_BIND_FLAG) {\n data[2] = source[2];\n // Set when currying a bound function.\n newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n }\n // Compose partial arguments.\n var value = source[3];\n if (value) {\n var partials = data[3];\n data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n }\n // Compose partial right arguments.\n value = source[5];\n if (value) {\n partials = data[5];\n data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n }\n // Use source `argPos` if available.\n value = source[7];\n if (value) {\n data[7] = value;\n }\n // Use source `ary` if it's smaller.\n if (srcBitmask & WRAP_ARY_FLAG) {\n data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n }\n // Use source `arity` if one is not provided.\n if (data[9] == null) {\n data[9] = source[9];\n }\n // Use source `func` and merge bitmasks.\n data[0] = source[0];\n data[1] = newBitmask;\n\n return data;\n }\n\n /**\n * This function is like\n * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * except that it includes inherited enumerable properties.\n *\n * @private\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n */\n function nativeKeysIn(object) {\n var result = [];\n if (object != null) {\n for (var key in Object(object)) {\n result.push(key);\n }\n }\n return result;\n }\n\n /**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\n function objectToString(value) {\n return nativeObjectToString.call(value);\n }\n\n /**\n * A specialized version of `baseRest` which transforms the rest array.\n *\n * @private\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @param {Function} transform The rest array transform.\n * @returns {Function} Returns the new function.\n */\n function overRest(func, start, transform) {\n start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n return function() {\n var args = arguments,\n index = -1,\n length = nativeMax(args.length - start, 0),\n array = Array(length);\n\n while (++index < length) {\n array[index] = args[start + index];\n }\n index = -1;\n var otherArgs = Array(start + 1);\n while (++index < start) {\n otherArgs[index] = args[index];\n }\n otherArgs[start] = transform(array);\n return apply(func, this, otherArgs);\n };\n }\n\n /**\n * Gets the parent value at `path` of `object`.\n *\n * @private\n * @param {Object} object The object to query.\n * @param {Array} path The path to get the parent value of.\n * @returns {*} Returns the parent value.\n */\n function parent(object, path) {\n return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n }\n\n /**\n * Reorder `array` according to the specified indexes where the element at\n * the first index is assigned as the first element, the element at\n * the second index is assigned as the second element, and so on.\n *\n * @private\n * @param {Array} array The array to reorder.\n * @param {Array} indexes The arranged array indexes.\n * @returns {Array} Returns `array`.\n */\n function reorder(array, indexes) {\n var arrLength = array.length,\n length = nativeMin(indexes.length, arrLength),\n oldArray = copyArray(array);\n\n while (length--) {\n var index = indexes[length];\n array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n }\n return array;\n }\n\n /**\n * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n *\n * @private\n * @param {Object} object The object to query.\n * @param {string} key The key of the property to get.\n * @returns {*} Returns the property value.\n */\n function safeGet(object, key) {\n if (key === 'constructor' && typeof object[key] === 'function') {\n return;\n }\n\n if (key == '__proto__') {\n return;\n }\n\n return object[key];\n }\n\n /**\n * Sets metadata for `func`.\n *\n * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n * period of time, it will trip its breaker and transition to an identity\n * function to avoid garbage collection pauses in V8. See\n * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n * for more details.\n *\n * @private\n * @param {Function} func The function to associate metadata with.\n * @param {*} data The metadata.\n * @returns {Function} Returns `func`.\n */\n var setData = shortOut(baseSetData);\n\n /**\n * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n *\n * @private\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @returns {number|Object} Returns the timer id or timeout object.\n */\n var setTimeout = ctxSetTimeout || function(func, wait) {\n return root.setTimeout(func, wait);\n };\n\n /**\n * Sets the `toString` method of `func` to return `string`.\n *\n * @private\n * @param {Function} func The function to modify.\n * @param {Function} string The `toString` result.\n * @returns {Function} Returns `func`.\n */\n var setToString = shortOut(baseSetToString);\n\n /**\n * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n * with wrapper details in a comment at the top of the source body.\n *\n * @private\n * @param {Function} wrapper The function to modify.\n * @param {Function} reference The reference function.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Function} Returns `wrapper`.\n */\n function setWrapToString(wrapper, reference, bitmask) {\n var source = (reference + '');\n return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n }\n\n /**\n * Creates a function that'll short out and invoke `identity` instead\n * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n * milliseconds.\n *\n * @private\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new shortable function.\n */\n function shortOut(func) {\n var count = 0,\n lastCalled = 0;\n\n return function() {\n var stamp = nativeNow(),\n remaining = HOT_SPAN - (stamp - lastCalled);\n\n lastCalled = stamp;\n if (remaining > 0) {\n if (++count >= HOT_COUNT) {\n return arguments[0];\n }\n } else {\n count = 0;\n }\n return func.apply(undefined, arguments);\n };\n }\n\n /**\n * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n *\n * @private\n * @param {Array} array The array to shuffle.\n * @param {number} [size=array.length] The size of `array`.\n * @returns {Array} Returns `array`.\n */\n function shuffleSelf(array, size) {\n var index = -1,\n length = array.length,\n lastIndex = length - 1;\n\n size = size === undefined ? length : size;\n while (++index < size) {\n var rand = baseRandom(index, lastIndex),\n value = array[rand];\n\n array[rand] = array[index];\n array[index] = value;\n }\n array.length = size;\n return array;\n }\n\n /**\n * Converts `string` to a property path array.\n *\n * @private\n * @param {string} string The string to convert.\n * @returns {Array} Returns the property path array.\n */\n var stringToPath = memoizeCapped(function(string) {\n var result = [];\n if (string.charCodeAt(0) === 46 /* . */) {\n result.push('');\n }\n string.replace(rePropName, function(match, number, quote, subString) {\n result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n });\n return result;\n });\n\n /**\n * Converts `value` to a string key if it's not a string or symbol.\n *\n * @private\n * @param {*} value The value to inspect.\n * @returns {string|symbol} Returns the key.\n */\n function toKey(value) {\n if (typeof value == 'string' || isSymbol(value)) {\n return value;\n }\n var result = (value + '');\n return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n }\n\n /**\n * Converts `func` to its source code.\n *\n * @private\n * @param {Function} func The function to convert.\n * @returns {string} Returns the source code.\n */\n function toSource(func) {\n if (func != null) {\n try {\n return funcToString.call(func);\n } catch (e) {}\n try {\n return (func + '');\n } catch (e) {}\n }\n return '';\n }\n\n /**\n * Updates wrapper `details` based on `bitmask` flags.\n *\n * @private\n * @returns {Array} details The details to modify.\n * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n * @returns {Array} Returns `details`.\n */\n function updateWrapDetails(details, bitmask) {\n arrayEach(wrapFlags, function(pair) {\n var value = '_.' + pair[0];\n if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n details.push(value);\n }\n });\n return details.sort();\n }\n\n /**\n * Creates a clone of `wrapper`.\n *\n * @private\n * @param {Object} wrapper The wrapper to clone.\n * @returns {Object} Returns the cloned wrapper.\n */\n function wrapperClone(wrapper) {\n if (wrapper instanceof LazyWrapper) {\n return wrapper.clone();\n }\n var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n result.__actions__ = copyArray(wrapper.__actions__);\n result.__index__ = wrapper.__index__;\n result.__values__ = wrapper.__values__;\n return result;\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an array of elements split into groups the length of `size`.\n * If `array` can't be split evenly, the final chunk will be the remaining\n * elements.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to process.\n * @param {number} [size=1] The length of each chunk\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the new array of chunks.\n * @example\n *\n * _.chunk(['a', 'b', 'c', 'd'], 2);\n * // => [['a', 'b'], ['c', 'd']]\n *\n * _.chunk(['a', 'b', 'c', 'd'], 3);\n * // => [['a', 'b', 'c'], ['d']]\n */\n function chunk(array, size, guard) {\n if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n size = 1;\n } else {\n size = nativeMax(toInteger(size), 0);\n }\n var length = array == null ? 0 : array.length;\n if (!length || size < 1) {\n return [];\n }\n var index = 0,\n resIndex = 0,\n result = Array(nativeCeil(length / size));\n\n while (index < length) {\n result[resIndex++] = baseSlice(array, index, (index += size));\n }\n return result;\n }\n\n /**\n * Creates an array with all falsey values removed. The values `false`, `null`,\n * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to compact.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.compact([0, 1, false, 2, '', 3]);\n * // => [1, 2, 3]\n */\n function compact(array) {\n var index = -1,\n length = array == null ? 0 : array.length,\n resIndex = 0,\n result = [];\n\n while (++index < length) {\n var value = array[index];\n if (value) {\n result[resIndex++] = value;\n }\n }\n return result;\n }\n\n /**\n * Creates a new array concatenating `array` with any additional arrays\n * and/or values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to concatenate.\n * @param {...*} [values] The values to concatenate.\n * @returns {Array} Returns the new concatenated array.\n * @example\n *\n * var array = [1];\n * var other = _.concat(array, 2, [3], [[4]]);\n *\n * console.log(other);\n * // => [1, 2, 3, [4]]\n *\n * console.log(array);\n * // => [1]\n */\n function concat() {\n var length = arguments.length;\n if (!length) {\n return [];\n }\n var args = Array(length - 1),\n array = arguments[0],\n index = length;\n\n while (index--) {\n args[index - 1] = arguments[index];\n }\n return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n }\n\n /**\n * Creates an array of `array` values not included in the other given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * **Note:** Unlike `_.pullAll`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.without, _.xor\n * @example\n *\n * _.difference([2, 1], [2, 3]);\n * // => [1]\n */\n var difference = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `iteratee` which\n * is invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var differenceBy = baseRest(function(array, values) {\n var iteratee = last(values);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.difference` except that it accepts `comparator`\n * which is invoked to compare elements of `array` to `values`. The order and\n * references of result values are determined by the first array. The comparator\n * is invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...Array} [values] The values to exclude.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n *\n * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }]\n */\n var differenceWith = baseRest(function(array, values) {\n var comparator = last(values);\n if (isArrayLikeObject(comparator)) {\n comparator = undefined;\n }\n return isArrayLikeObject(array)\n ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n : [];\n });\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.drop([1, 2, 3]);\n * // => [2, 3]\n *\n * _.drop([1, 2, 3], 2);\n * // => [3]\n *\n * _.drop([1, 2, 3], 5);\n * // => []\n *\n * _.drop([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function drop(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with `n` elements dropped from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to drop.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.dropRight([1, 2, 3]);\n * // => [1, 2]\n *\n * _.dropRight([1, 2, 3], 2);\n * // => [1]\n *\n * _.dropRight([1, 2, 3], 5);\n * // => []\n *\n * _.dropRight([1, 2, 3], 0);\n * // => [1, 2, 3]\n */\n function dropRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the end.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.dropRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropRightWhile(users, ['active', false]);\n * // => objects for ['barney']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropRightWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` excluding elements dropped from the beginning.\n * Elements are dropped until `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.dropWhile(users, function(o) { return !o.active; });\n * // => objects for ['pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.dropWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.dropWhile(users, ['active', false]);\n * // => objects for ['pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.dropWhile(users, 'active');\n * // => objects for ['barney', 'fred', 'pebbles']\n */\n function dropWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), true)\n : [];\n }\n\n /**\n * Fills elements of `array` with `value` from `start` up to, but not\n * including, `end`.\n *\n * **Note:** This method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Array\n * @param {Array} array The array to fill.\n * @param {*} value The value to fill `array` with.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.fill(array, 'a');\n * console.log(array);\n * // => ['a', 'a', 'a']\n *\n * _.fill(Array(3), 2);\n * // => [2, 2, 2]\n *\n * _.fill([4, 6, 8, 10], '*', 1, 3);\n * // => [4, '*', '*', 10]\n */\n function fill(array, value, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n start = 0;\n end = length;\n }\n return baseFill(array, value, start, end);\n }\n\n /**\n * This method is like `_.find` except that it returns the index of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.findIndex(users, function(o) { return o.user == 'barney'; });\n * // => 0\n *\n * // The `_.matches` iteratee shorthand.\n * _.findIndex(users, { 'user': 'fred', 'active': false });\n * // => 1\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findIndex(users, ['active', false]);\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.findIndex(users, 'active');\n * // => 2\n */\n function findIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index);\n }\n\n /**\n * This method is like `_.findIndex` except that it iterates over elements\n * of `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the found element, else `-1`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n * // => 2\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n * // => 0\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastIndex(users, ['active', false]);\n * // => 2\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastIndex(users, 'active');\n * // => 0\n */\n function findLastIndex(array, predicate, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length - 1;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = fromIndex < 0\n ? nativeMax(length + index, 0)\n : nativeMin(index, length - 1);\n }\n return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n }\n\n /**\n * Flattens `array` a single level deep.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flatten([1, [2, [3, [4]], 5]]);\n * // => [1, 2, [3, [4]], 5]\n */\n function flatten(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, 1) : [];\n }\n\n /**\n * Recursively flattens `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * _.flattenDeep([1, [2, [3, [4]], 5]]);\n * // => [1, 2, 3, 4, 5]\n */\n function flattenDeep(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseFlatten(array, INFINITY) : [];\n }\n\n /**\n * Recursively flatten `array` up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Array\n * @param {Array} array The array to flatten.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * var array = [1, [2, [3, [4]], 5]];\n *\n * _.flattenDepth(array, 1);\n * // => [1, 2, [3, [4]], 5]\n *\n * _.flattenDepth(array, 2);\n * // => [1, 2, 3, [4], 5]\n */\n function flattenDepth(array, depth) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(array, depth);\n }\n\n /**\n * The inverse of `_.toPairs`; this method returns an object composed\n * from key-value `pairs`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} pairs The key-value pairs.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.fromPairs([['a', 1], ['b', 2]]);\n * // => { 'a': 1, 'b': 2 }\n */\n function fromPairs(pairs) {\n var index = -1,\n length = pairs == null ? 0 : pairs.length,\n result = {};\n\n while (++index < length) {\n var pair = pairs[index];\n result[pair[0]] = pair[1];\n }\n return result;\n }\n\n /**\n * Gets the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias first\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the first element of `array`.\n * @example\n *\n * _.head([1, 2, 3]);\n * // => 1\n *\n * _.head([]);\n * // => undefined\n */\n function head(array) {\n return (array && array.length) ? array[0] : undefined;\n }\n\n /**\n * Gets the index at which the first occurrence of `value` is found in `array`\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. If `fromIndex` is negative, it's used as the\n * offset from the end of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.indexOf([1, 2, 1, 2], 2);\n * // => 1\n *\n * // Search from the `fromIndex`.\n * _.indexOf([1, 2, 1, 2], 2, 2);\n * // => 3\n */\n function indexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = fromIndex == null ? 0 : toInteger(fromIndex);\n if (index < 0) {\n index = nativeMax(length + index, 0);\n }\n return baseIndexOf(array, value, index);\n }\n\n /**\n * Gets all but the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.initial([1, 2, 3]);\n * // => [1, 2]\n */\n function initial(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 0, -1) : [];\n }\n\n /**\n * Creates an array of unique values that are included in all given arrays\n * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons. The order and references of result values are\n * determined by the first array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersection([2, 1], [2, 3]);\n * // => [2]\n */\n var intersection = baseRest(function(arrays) {\n var mapped = arrayMap(arrays, castArrayLikeObject);\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped)\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `iteratee`\n * which is invoked for each element of each `arrays` to generate the criterion\n * by which they're compared. The order and references of result values are\n * determined by the first array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [2.1]\n *\n * // The `_.property` iteratee shorthand.\n * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }]\n */\n var intersectionBy = baseRest(function(arrays) {\n var iteratee = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n if (iteratee === last(mapped)) {\n iteratee = undefined;\n } else {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, getIteratee(iteratee, 2))\n : [];\n });\n\n /**\n * This method is like `_.intersection` except that it accepts `comparator`\n * which is invoked to compare elements of `arrays`. The order and references\n * of result values are determined by the first array. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of intersecting values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.intersectionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }]\n */\n var intersectionWith = baseRest(function(arrays) {\n var comparator = last(arrays),\n mapped = arrayMap(arrays, castArrayLikeObject);\n\n comparator = typeof comparator == 'function' ? comparator : undefined;\n if (comparator) {\n mapped.pop();\n }\n return (mapped.length && mapped[0] === arrays[0])\n ? baseIntersection(mapped, undefined, comparator)\n : [];\n });\n\n /**\n * Converts all elements in `array` into a string separated by `separator`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to convert.\n * @param {string} [separator=','] The element separator.\n * @returns {string} Returns the joined string.\n * @example\n *\n * _.join(['a', 'b', 'c'], '~');\n * // => 'a~b~c'\n */\n function join(array, separator) {\n return array == null ? '' : nativeJoin.call(array, separator);\n }\n\n /**\n * Gets the last element of `array`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {*} Returns the last element of `array`.\n * @example\n *\n * _.last([1, 2, 3]);\n * // => 3\n */\n function last(array) {\n var length = array == null ? 0 : array.length;\n return length ? array[length - 1] : undefined;\n }\n\n /**\n * This method is like `_.indexOf` except that it iterates over elements of\n * `array` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=array.length-1] The index to search from.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.lastIndexOf([1, 2, 1, 2], 2);\n * // => 3\n *\n * // Search from the `fromIndex`.\n * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n * // => 1\n */\n function lastIndexOf(array, value, fromIndex) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return -1;\n }\n var index = length;\n if (fromIndex !== undefined) {\n index = toInteger(fromIndex);\n index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n }\n return value === value\n ? strictLastIndexOf(array, value, index)\n : baseFindIndex(array, baseIsNaN, index, true);\n }\n\n /**\n * Gets the element at index `n` of `array`. If `n` is negative, the nth\n * element from the end is returned.\n *\n * @static\n * @memberOf _\n * @since 4.11.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=0] The index of the element to return.\n * @returns {*} Returns the nth element of `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n *\n * _.nth(array, 1);\n * // => 'b'\n *\n * _.nth(array, -2);\n * // => 'c';\n */\n function nth(array, n) {\n return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n }\n\n /**\n * Removes all given values from `array` using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n * to remove elements from an array by predicate.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...*} [values] The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pull(array, 'a', 'c');\n * console.log(array);\n * // => ['b', 'b']\n */\n var pull = baseRest(pullAll);\n\n /**\n * This method is like `_.pull` except that it accepts an array of values to remove.\n *\n * **Note:** Unlike `_.difference`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n *\n * _.pullAll(array, ['a', 'c']);\n * console.log(array);\n * // => ['b', 'b']\n */\n function pullAll(array, values) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values)\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `iteratee` which is\n * invoked for each element of `array` and `values` to generate the criterion\n * by which they're compared. The iteratee is invoked with one argument: (value).\n *\n * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n *\n * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n * console.log(array);\n * // => [{ 'x': 2 }]\n */\n function pullAllBy(array, values, iteratee) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, getIteratee(iteratee, 2))\n : array;\n }\n\n /**\n * This method is like `_.pullAll` except that it accepts `comparator` which\n * is invoked to compare elements of `array` to `values`. The comparator is\n * invoked with two arguments: (arrVal, othVal).\n *\n * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Array} values The values to remove.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n *\n * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n * console.log(array);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n */\n function pullAllWith(array, values, comparator) {\n return (array && array.length && values && values.length)\n ? basePullAll(array, values, undefined, comparator)\n : array;\n }\n\n /**\n * Removes elements from `array` corresponding to `indexes` and returns an\n * array of removed elements.\n *\n * **Note:** Unlike `_.at`, this method mutates `array`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = ['a', 'b', 'c', 'd'];\n * var pulled = _.pullAt(array, [1, 3]);\n *\n * console.log(array);\n * // => ['a', 'c']\n *\n * console.log(pulled);\n * // => ['b', 'd']\n */\n var pullAt = flatRest(function(array, indexes) {\n var length = array == null ? 0 : array.length,\n result = baseAt(array, indexes);\n\n basePullAt(array, arrayMap(indexes, function(index) {\n return isIndex(index, length) ? +index : index;\n }).sort(compareAscending));\n\n return result;\n });\n\n /**\n * Removes all elements from `array` that `predicate` returns truthy for\n * and returns an array of the removed elements. The predicate is invoked\n * with three arguments: (value, index, array).\n *\n * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n * to pull elements from an array by value.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new array of removed elements.\n * @example\n *\n * var array = [1, 2, 3, 4];\n * var evens = _.remove(array, function(n) {\n * return n % 2 == 0;\n * });\n *\n * console.log(array);\n * // => [1, 3]\n *\n * console.log(evens);\n * // => [2, 4]\n */\n function remove(array, predicate) {\n var result = [];\n if (!(array && array.length)) {\n return result;\n }\n var index = -1,\n indexes = [],\n length = array.length;\n\n predicate = getIteratee(predicate, 3);\n while (++index < length) {\n var value = array[index];\n if (predicate(value, index, array)) {\n result.push(value);\n indexes.push(index);\n }\n }\n basePullAt(array, indexes);\n return result;\n }\n\n /**\n * Reverses `array` so that the first element becomes the last, the second\n * element becomes the second to last, and so on.\n *\n * **Note:** This method mutates `array` and is based on\n * [`Array#reverse`](https://mdn.io/Array/reverse).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to modify.\n * @returns {Array} Returns `array`.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _.reverse(array);\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function reverse(array) {\n return array == null ? array : nativeReverse.call(array);\n }\n\n /**\n * Creates a slice of `array` from `start` up to, but not including, `end`.\n *\n * **Note:** This method is used instead of\n * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n * returned.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to slice.\n * @param {number} [start=0] The start position.\n * @param {number} [end=array.length] The end position.\n * @returns {Array} Returns the slice of `array`.\n */\n function slice(array, start, end) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n start = 0;\n end = length;\n }\n else {\n start = start == null ? 0 : toInteger(start);\n end = end === undefined ? length : toInteger(end);\n }\n return baseSlice(array, start, end);\n }\n\n /**\n * Uses a binary search to determine the lowest index at which `value`\n * should be inserted into `array` in order to maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedIndex([30, 50], 40);\n * // => 1\n */\n function sortedIndex(array, value) {\n return baseSortedIndex(array, value);\n }\n\n /**\n * This method is like `_.sortedIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 0\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n * // => 0\n */\n function sortedIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n }\n\n /**\n * This method is like `_.indexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n * // => 1\n */\n function sortedIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value);\n if (index < length && eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.sortedIndex` except that it returns the highest\n * index at which `value` should be inserted into `array` in order to\n * maintain its sort order.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n * // => 4\n */\n function sortedLastIndex(array, value) {\n return baseSortedIndex(array, value, true);\n }\n\n /**\n * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n * which is invoked for `value` and each element of `array` to compute their\n * sort ranking. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The sorted array to inspect.\n * @param {*} value The value to evaluate.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {number} Returns the index at which `value` should be inserted\n * into `array`.\n * @example\n *\n * var objects = [{ 'x': 4 }, { 'x': 5 }];\n *\n * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n * // => 1\n *\n * // The `_.property` iteratee shorthand.\n * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n * // => 1\n */\n function sortedLastIndexBy(array, value, iteratee) {\n return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n }\n\n /**\n * This method is like `_.lastIndexOf` except that it performs a binary\n * search on a sorted `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {*} value The value to search for.\n * @returns {number} Returns the index of the matched value, else `-1`.\n * @example\n *\n * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n * // => 3\n */\n function sortedLastIndexOf(array, value) {\n var length = array == null ? 0 : array.length;\n if (length) {\n var index = baseSortedIndex(array, value, true) - 1;\n if (eq(array[index], value)) {\n return index;\n }\n }\n return -1;\n }\n\n /**\n * This method is like `_.uniq` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniq([1, 1, 2]);\n * // => [1, 2]\n */\n function sortedUniq(array) {\n return (array && array.length)\n ? baseSortedUniq(array)\n : [];\n }\n\n /**\n * This method is like `_.uniqBy` except that it's designed and optimized\n * for sorted arrays.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n * // => [1.1, 2.3]\n */\n function sortedUniqBy(array, iteratee) {\n return (array && array.length)\n ? baseSortedUniq(array, getIteratee(iteratee, 2))\n : [];\n }\n\n /**\n * Gets all but the first element of `array`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.tail([1, 2, 3]);\n * // => [2, 3]\n */\n function tail(array) {\n var length = array == null ? 0 : array.length;\n return length ? baseSlice(array, 1, length) : [];\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the beginning.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.take([1, 2, 3]);\n * // => [1]\n *\n * _.take([1, 2, 3], 2);\n * // => [1, 2]\n *\n * _.take([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.take([1, 2, 3], 0);\n * // => []\n */\n function take(array, n, guard) {\n if (!(array && array.length)) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n return baseSlice(array, 0, n < 0 ? 0 : n);\n }\n\n /**\n * Creates a slice of `array` with `n` elements taken from the end.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {number} [n=1] The number of elements to take.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * _.takeRight([1, 2, 3]);\n * // => [3]\n *\n * _.takeRight([1, 2, 3], 2);\n * // => [2, 3]\n *\n * _.takeRight([1, 2, 3], 5);\n * // => [1, 2, 3]\n *\n * _.takeRight([1, 2, 3], 0);\n * // => []\n */\n function takeRight(array, n, guard) {\n var length = array == null ? 0 : array.length;\n if (!length) {\n return [];\n }\n n = (guard || n === undefined) ? 1 : toInteger(n);\n n = length - n;\n return baseSlice(array, n < 0 ? 0 : n, length);\n }\n\n /**\n * Creates a slice of `array` with elements taken from the end. Elements are\n * taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': false }\n * ];\n *\n * _.takeRightWhile(users, function(o) { return !o.active; });\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n * // => objects for ['pebbles']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeRightWhile(users, ['active', false]);\n * // => objects for ['fred', 'pebbles']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeRightWhile(users, 'active');\n * // => []\n */\n function takeRightWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3), false, true)\n : [];\n }\n\n /**\n * Creates a slice of `array` with elements taken from the beginning. Elements\n * are taken until `predicate` returns falsey. The predicate is invoked with\n * three arguments: (value, index, array).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Array\n * @param {Array} array The array to query.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the slice of `array`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'active': false },\n * { 'user': 'fred', 'active': false },\n * { 'user': 'pebbles', 'active': true }\n * ];\n *\n * _.takeWhile(users, function(o) { return !o.active; });\n * // => objects for ['barney', 'fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.takeWhile(users, { 'user': 'barney', 'active': false });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.takeWhile(users, ['active', false]);\n * // => objects for ['barney', 'fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.takeWhile(users, 'active');\n * // => []\n */\n function takeWhile(array, predicate) {\n return (array && array.length)\n ? baseWhile(array, getIteratee(predicate, 3))\n : [];\n }\n\n /**\n * Creates an array of unique values, in order, from all given arrays using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.union([2], [1, 2]);\n * // => [2, 1]\n */\n var union = baseRest(function(arrays) {\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n });\n\n /**\n * This method is like `_.union` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which uniqueness is computed. Result values are chosen from the first\n * array in which the value occurs. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n var unionBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.union` except that it accepts `comparator` which\n * is invoked to compare elements of `arrays`. Result values are chosen from\n * the first array in which the value occurs. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of combined values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.unionWith(objects, others, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var unionWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n });\n\n /**\n * Creates a duplicate-free version of an array, using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons, in which only the first occurrence of each element\n * is kept. The order of result values is determined by the order they occur\n * in the array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniq([2, 1, 2]);\n * // => [2, 1]\n */\n function uniq(array) {\n return (array && array.length) ? baseUniq(array) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `iteratee` which is\n * invoked for each element in `array` to generate the criterion by which\n * uniqueness is computed. The order of result values is determined by the\n * order they occur in the array. The iteratee is invoked with one argument:\n * (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n * // => [2.1, 1.2]\n *\n * // The `_.property` iteratee shorthand.\n * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 1 }, { 'x': 2 }]\n */\n function uniqBy(array, iteratee) {\n return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n }\n\n /**\n * This method is like `_.uniq` except that it accepts `comparator` which\n * is invoked to compare elements of `array`. The order of result values is\n * determined by the order they occur in the array.The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new duplicate free array.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.uniqWith(objects, _.isEqual);\n * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n */\n function uniqWith(array, comparator) {\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n }\n\n /**\n * This method is like `_.zip` except that it accepts an array of grouped\n * elements and creates an array regrouping the elements to their pre-zip\n * configuration.\n *\n * @static\n * @memberOf _\n * @since 1.2.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n *\n * _.unzip(zipped);\n * // => [['a', 'b'], [1, 2], [true, false]]\n */\n function unzip(array) {\n if (!(array && array.length)) {\n return [];\n }\n var length = 0;\n array = arrayFilter(array, function(group) {\n if (isArrayLikeObject(group)) {\n length = nativeMax(group.length, length);\n return true;\n }\n });\n return baseTimes(length, function(index) {\n return arrayMap(array, baseProperty(index));\n });\n }\n\n /**\n * This method is like `_.unzip` except that it accepts `iteratee` to specify\n * how regrouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {Array} array The array of grouped elements to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * regrouped values.\n * @returns {Array} Returns the new array of regrouped elements.\n * @example\n *\n * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n * // => [[1, 10, 100], [2, 20, 200]]\n *\n * _.unzipWith(zipped, _.add);\n * // => [3, 30, 300]\n */\n function unzipWith(array, iteratee) {\n if (!(array && array.length)) {\n return [];\n }\n var result = unzip(array);\n if (iteratee == null) {\n return result;\n }\n return arrayMap(result, function(group) {\n return apply(iteratee, undefined, group);\n });\n }\n\n /**\n * Creates an array excluding all given values using\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * for equality comparisons.\n *\n * **Note:** Unlike `_.pull`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {Array} array The array to inspect.\n * @param {...*} [values] The values to exclude.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.xor\n * @example\n *\n * _.without([2, 1, 2, 3], 1, 2);\n * // => [3]\n */\n var without = baseRest(function(array, values) {\n return isArrayLikeObject(array)\n ? baseDifference(array, values)\n : [];\n });\n\n /**\n * Creates an array of unique values that is the\n * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n * of the given arrays. The order of result values is determined by the order\n * they occur in the arrays.\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @returns {Array} Returns the new array of filtered values.\n * @see _.difference, _.without\n * @example\n *\n * _.xor([2, 1], [2, 3]);\n * // => [1, 3]\n */\n var xor = baseRest(function(arrays) {\n return baseXor(arrayFilter(arrays, isArrayLikeObject));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `iteratee` which is\n * invoked for each element of each `arrays` to generate the criterion by\n * which by which they're compared. The order of result values is determined\n * by the order they occur in the arrays. The iteratee is invoked with one\n * argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n * // => [1.2, 3.4]\n *\n * // The `_.property` iteratee shorthand.\n * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n * // => [{ 'x': 2 }]\n */\n var xorBy = baseRest(function(arrays) {\n var iteratee = last(arrays);\n if (isArrayLikeObject(iteratee)) {\n iteratee = undefined;\n }\n return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n });\n\n /**\n * This method is like `_.xor` except that it accepts `comparator` which is\n * invoked to compare elements of `arrays`. The order of result values is\n * determined by the order they occur in the arrays. The comparator is invoked\n * with two arguments: (arrVal, othVal).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Array\n * @param {...Array} [arrays] The arrays to inspect.\n * @param {Function} [comparator] The comparator invoked per element.\n * @returns {Array} Returns the new array of filtered values.\n * @example\n *\n * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n *\n * _.xorWith(objects, others, _.isEqual);\n * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n */\n var xorWith = baseRest(function(arrays) {\n var comparator = last(arrays);\n comparator = typeof comparator == 'function' ? comparator : undefined;\n return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n });\n\n /**\n * Creates an array of grouped elements, the first of which contains the\n * first elements of the given arrays, the second of which contains the\n * second elements of the given arrays, and so on.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zip(['a', 'b'], [1, 2], [true, false]);\n * // => [['a', 1, true], ['b', 2, false]]\n */\n var zip = baseRest(unzip);\n\n /**\n * This method is like `_.fromPairs` except that it accepts two arrays,\n * one of property identifiers and one of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 0.4.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObject(['a', 'b'], [1, 2]);\n * // => { 'a': 1, 'b': 2 }\n */\n function zipObject(props, values) {\n return baseZipObject(props || [], values || [], assignValue);\n }\n\n /**\n * This method is like `_.zipObject` except that it supports property paths.\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Array\n * @param {Array} [props=[]] The property identifiers.\n * @param {Array} [values=[]] The property values.\n * @returns {Object} Returns the new object.\n * @example\n *\n * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n */\n function zipObjectDeep(props, values) {\n return baseZipObject(props || [], values || [], baseSet);\n }\n\n /**\n * This method is like `_.zip` except that it accepts `iteratee` to specify\n * how grouped values should be combined. The iteratee is invoked with the\n * elements of each group: (...group).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Array\n * @param {...Array} [arrays] The arrays to process.\n * @param {Function} [iteratee=_.identity] The function to combine\n * grouped values.\n * @returns {Array} Returns the new array of grouped elements.\n * @example\n *\n * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n * return a + b + c;\n * });\n * // => [111, 222]\n */\n var zipWith = baseRest(function(arrays) {\n var length = arrays.length,\n iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n return unzipWith(arrays, iteratee);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n * chain sequences enabled. The result of such sequences must be unwrapped\n * with `_#value`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Seq\n * @param {*} value The value to wrap.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'pebbles', 'age': 1 }\n * ];\n *\n * var youngest = _\n * .chain(users)\n * .sortBy('age')\n * .map(function(o) {\n * return o.user + ' is ' + o.age;\n * })\n * .head()\n * .value();\n * // => 'pebbles is 1'\n */\n function chain(value) {\n var result = lodash(value);\n result.__chain__ = true;\n return result;\n }\n\n /**\n * This method invokes `interceptor` and returns `value`. The interceptor\n * is invoked with one argument; (value). The purpose of this method is to\n * \"tap into\" a method chain sequence in order to modify intermediate results.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns `value`.\n * @example\n *\n * _([1, 2, 3])\n * .tap(function(array) {\n * // Mutate input array.\n * array.pop();\n * })\n * .reverse()\n * .value();\n * // => [2, 1]\n */\n function tap(value, interceptor) {\n interceptor(value);\n return value;\n }\n\n /**\n * This method is like `_.tap` except that it returns the result of `interceptor`.\n * The purpose of this method is to \"pass thru\" values replacing intermediate\n * results in a method chain sequence.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Seq\n * @param {*} value The value to provide to `interceptor`.\n * @param {Function} interceptor The function to invoke.\n * @returns {*} Returns the result of `interceptor`.\n * @example\n *\n * _(' abc ')\n * .chain()\n * .trim()\n * .thru(function(value) {\n * return [value];\n * })\n * .value();\n * // => ['abc']\n */\n function thru(value, interceptor) {\n return interceptor(value);\n }\n\n /**\n * This method is the wrapper version of `_.at`.\n *\n * @name at\n * @memberOf _\n * @since 1.0.0\n * @category Seq\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _(object).at(['a[0].b.c', 'a[1]']).value();\n * // => [3, 4]\n */\n var wrapperAt = flatRest(function(paths) {\n var length = paths.length,\n start = length ? paths[0] : 0,\n value = this.__wrapped__,\n interceptor = function(object) { return baseAt(object, paths); };\n\n if (length > 1 || this.__actions__.length ||\n !(value instanceof LazyWrapper) || !isIndex(start)) {\n return this.thru(interceptor);\n }\n value = value.slice(start, +start + (length ? 1 : 0));\n value.__actions__.push({\n 'func': thru,\n 'args': [interceptor],\n 'thisArg': undefined\n });\n return new LodashWrapper(value, this.__chain__).thru(function(array) {\n if (length && !array.length) {\n array.push(undefined);\n }\n return array;\n });\n });\n\n /**\n * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n *\n * @name chain\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 40 }\n * ];\n *\n * // A sequence without explicit chaining.\n * _(users).head();\n * // => { 'user': 'barney', 'age': 36 }\n *\n * // A sequence with explicit chaining.\n * _(users)\n * .chain()\n * .head()\n * .pick('user')\n * .value();\n * // => { 'user': 'barney' }\n */\n function wrapperChain() {\n return chain(this);\n }\n\n /**\n * Executes the chain sequence and returns the wrapped result.\n *\n * @name commit\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2];\n * var wrapped = _(array).push(3);\n *\n * console.log(array);\n * // => [1, 2]\n *\n * wrapped = wrapped.commit();\n * console.log(array);\n * // => [1, 2, 3]\n *\n * wrapped.last();\n * // => 3\n *\n * console.log(array);\n * // => [1, 2, 3]\n */\n function wrapperCommit() {\n return new LodashWrapper(this.value(), this.__chain__);\n }\n\n /**\n * Gets the next value on a wrapped object following the\n * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n *\n * @name next\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the next iterator value.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 1 }\n *\n * wrapped.next();\n * // => { 'done': false, 'value': 2 }\n *\n * wrapped.next();\n * // => { 'done': true, 'value': undefined }\n */\n function wrapperNext() {\n if (this.__values__ === undefined) {\n this.__values__ = toArray(this.value());\n }\n var done = this.__index__ >= this.__values__.length,\n value = done ? undefined : this.__values__[this.__index__++];\n\n return { 'done': done, 'value': value };\n }\n\n /**\n * Enables the wrapper to be iterable.\n *\n * @name Symbol.iterator\n * @memberOf _\n * @since 4.0.0\n * @category Seq\n * @returns {Object} Returns the wrapper object.\n * @example\n *\n * var wrapped = _([1, 2]);\n *\n * wrapped[Symbol.iterator]() === wrapped;\n * // => true\n *\n * Array.from(wrapped);\n * // => [1, 2]\n */\n function wrapperToIterator() {\n return this;\n }\n\n /**\n * Creates a clone of the chain sequence planting `value` as the wrapped value.\n *\n * @name plant\n * @memberOf _\n * @since 3.2.0\n * @category Seq\n * @param {*} value The value to plant.\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var wrapped = _([1, 2]).map(square);\n * var other = wrapped.plant([3, 4]);\n *\n * other.value();\n * // => [9, 16]\n *\n * wrapped.value();\n * // => [1, 4]\n */\n function wrapperPlant(value) {\n var result,\n parent = this;\n\n while (parent instanceof baseLodash) {\n var clone = wrapperClone(parent);\n clone.__index__ = 0;\n clone.__values__ = undefined;\n if (result) {\n previous.__wrapped__ = clone;\n } else {\n result = clone;\n }\n var previous = clone;\n parent = parent.__wrapped__;\n }\n previous.__wrapped__ = value;\n return result;\n }\n\n /**\n * This method is the wrapper version of `_.reverse`.\n *\n * **Note:** This method mutates the wrapped array.\n *\n * @name reverse\n * @memberOf _\n * @since 0.1.0\n * @category Seq\n * @returns {Object} Returns the new `lodash` wrapper instance.\n * @example\n *\n * var array = [1, 2, 3];\n *\n * _(array).reverse().value()\n * // => [3, 2, 1]\n *\n * console.log(array);\n * // => [3, 2, 1]\n */\n function wrapperReverse() {\n var value = this.__wrapped__;\n if (value instanceof LazyWrapper) {\n var wrapped = value;\n if (this.__actions__.length) {\n wrapped = new LazyWrapper(this);\n }\n wrapped = wrapped.reverse();\n wrapped.__actions__.push({\n 'func': thru,\n 'args': [reverse],\n 'thisArg': undefined\n });\n return new LodashWrapper(wrapped, this.__chain__);\n }\n return this.thru(reverse);\n }\n\n /**\n * Executes the chain sequence to resolve the unwrapped value.\n *\n * @name value\n * @memberOf _\n * @since 0.1.0\n * @alias toJSON, valueOf\n * @category Seq\n * @returns {*} Returns the resolved unwrapped value.\n * @example\n *\n * _([1, 2, 3]).value();\n * // => [1, 2, 3]\n */\n function wrapperValue() {\n return baseWrapperValue(this.__wrapped__, this.__actions__);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the number of times the key was returned by `iteratee`. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.countBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': 1, '6': 2 }\n *\n * // The `_.property` iteratee shorthand.\n * _.countBy(['one', 'two', 'three'], 'length');\n * // => { '3': 2, '5': 1 }\n */\n var countBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n ++result[key];\n } else {\n baseAssignValue(result, key, 1);\n }\n });\n\n /**\n * Checks if `predicate` returns truthy for **all** elements of `collection`.\n * Iteration is stopped once `predicate` returns falsey. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * **Note:** This method returns `true` for\n * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n * elements of empty collections.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if all elements pass the predicate check,\n * else `false`.\n * @example\n *\n * _.every([true, 1, null, 'yes'], Boolean);\n * // => false\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.every(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.every(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.every(users, 'active');\n * // => false\n */\n function every(collection, predicate, guard) {\n var func = isArray(collection) ? arrayEvery : baseEvery;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning an array of all elements\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * **Note:** Unlike `_.remove`, this method returns a new array.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.reject\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false }\n * ];\n *\n * _.filter(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.filter(users, { 'age': 36, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.filter(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.filter(users, 'active');\n * // => objects for ['barney']\n *\n * // Combining several predicates using `_.overEvery` or `_.overSome`.\n * _.filter(users, _.overSome([{ 'age': 36 }, ['age', 40]]));\n * // => objects for ['fred', 'barney']\n */\n function filter(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Iterates over elements of `collection`, returning the first element\n * `predicate` returns truthy for. The predicate is invoked with three\n * arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=0] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': true },\n * { 'user': 'fred', 'age': 40, 'active': false },\n * { 'user': 'pebbles', 'age': 1, 'active': true }\n * ];\n *\n * _.find(users, function(o) { return o.age < 40; });\n * // => object for 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.find(users, { 'age': 1, 'active': true });\n * // => object for 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.find(users, ['active', false]);\n * // => object for 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.find(users, 'active');\n * // => object for 'barney'\n */\n var find = createFind(findIndex);\n\n /**\n * This method is like `_.find` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param {number} [fromIndex=collection.length-1] The index to search from.\n * @returns {*} Returns the matched element, else `undefined`.\n * @example\n *\n * _.findLast([1, 2, 3, 4], function(n) {\n * return n % 2 == 1;\n * });\n * // => 3\n */\n var findLast = createFind(findLastIndex);\n\n /**\n * Creates a flattened array of values by running each element in `collection`\n * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n * with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [n, n];\n * }\n *\n * _.flatMap([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMap(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), 1);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDeep([1, 2], duplicate);\n * // => [1, 1, 2, 2]\n */\n function flatMapDeep(collection, iteratee) {\n return baseFlatten(map(collection, iteratee), INFINITY);\n }\n\n /**\n * This method is like `_.flatMap` except that it recursively flattens the\n * mapped results up to `depth` times.\n *\n * @static\n * @memberOf _\n * @since 4.7.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {number} [depth=1] The maximum recursion depth.\n * @returns {Array} Returns the new flattened array.\n * @example\n *\n * function duplicate(n) {\n * return [[[n, n]]];\n * }\n *\n * _.flatMapDepth([1, 2], duplicate, 2);\n * // => [[1, 1], [2, 2]]\n */\n function flatMapDepth(collection, iteratee, depth) {\n depth = depth === undefined ? 1 : toInteger(depth);\n return baseFlatten(map(collection, iteratee), depth);\n }\n\n /**\n * Iterates over elements of `collection` and invokes `iteratee` for each element.\n * The iteratee is invoked with three arguments: (value, index|key, collection).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n * property are iterated like arrays. To avoid this behavior use `_.forIn`\n * or `_.forOwn` for object iteration.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @alias each\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEachRight\n * @example\n *\n * _.forEach([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `1` then `2`.\n *\n * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forEach(collection, iteratee) {\n var func = isArray(collection) ? arrayEach : baseEach;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forEach` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @alias eachRight\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array|Object} Returns `collection`.\n * @see _.forEach\n * @example\n *\n * _.forEachRight([1, 2], function(value) {\n * console.log(value);\n * });\n * // => Logs `2` then `1`.\n */\n function forEachRight(collection, iteratee) {\n var func = isArray(collection) ? arrayEachRight : baseEachRight;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The order of grouped values\n * is determined by the order they occur in `collection`. The corresponding\n * value of each key is an array of elements responsible for generating the\n * key. The iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n * // => { '4': [4.2], '6': [6.1, 6.3] }\n *\n * // The `_.property` iteratee shorthand.\n * _.groupBy(['one', 'two', 'three'], 'length');\n * // => { '3': ['one', 'two'], '5': ['three'] }\n */\n var groupBy = createAggregator(function(result, value, key) {\n if (hasOwnProperty.call(result, key)) {\n result[key].push(value);\n } else {\n baseAssignValue(result, key, [value]);\n }\n });\n\n /**\n * Checks if `value` is in `collection`. If `collection` is a string, it's\n * checked for a substring of `value`, otherwise\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * is used for equality comparisons. If `fromIndex` is negative, it's used as\n * the offset from the end of `collection`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @param {*} value The value to search for.\n * @param {number} [fromIndex=0] The index to search from.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {boolean} Returns `true` if `value` is found, else `false`.\n * @example\n *\n * _.includes([1, 2, 3], 1);\n * // => true\n *\n * _.includes([1, 2, 3], 1, 2);\n * // => false\n *\n * _.includes({ 'a': 1, 'b': 2 }, 1);\n * // => true\n *\n * _.includes('abcd', 'bc');\n * // => true\n */\n function includes(collection, value, fromIndex, guard) {\n collection = isArrayLike(collection) ? collection : values(collection);\n fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n var length = collection.length;\n if (fromIndex < 0) {\n fromIndex = nativeMax(length + fromIndex, 0);\n }\n return isString(collection)\n ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n }\n\n /**\n * Invokes the method at `path` of each element in `collection`, returning\n * an array of the results of each invoked method. Any additional arguments\n * are provided to each invoked method. If `path` is a function, it's invoked\n * for, and `this` bound to, each element in `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array|Function|string} path The path of the method to invoke or\n * the function invoked per iteration.\n * @param {...*} [args] The arguments to invoke each method with.\n * @returns {Array} Returns the array of results.\n * @example\n *\n * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n * // => [[1, 5, 7], [1, 2, 3]]\n *\n * _.invokeMap([123, 456], String.prototype.split, '');\n * // => [['1', '2', '3'], ['4', '5', '6']]\n */\n var invokeMap = baseRest(function(collection, path, args) {\n var index = -1,\n isFunc = typeof path == 'function',\n result = isArrayLike(collection) ? Array(collection.length) : [];\n\n baseEach(collection, function(value) {\n result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n });\n return result;\n });\n\n /**\n * Creates an object composed of keys generated from the results of running\n * each element of `collection` thru `iteratee`. The corresponding value of\n * each key is the last element responsible for generating the key. The\n * iteratee is invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n * @returns {Object} Returns the composed aggregate object.\n * @example\n *\n * var array = [\n * { 'dir': 'left', 'code': 97 },\n * { 'dir': 'right', 'code': 100 }\n * ];\n *\n * _.keyBy(array, function(o) {\n * return String.fromCharCode(o.code);\n * });\n * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n *\n * _.keyBy(array, 'dir');\n * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n */\n var keyBy = createAggregator(function(result, value, key) {\n baseAssignValue(result, key, value);\n });\n\n /**\n * Creates an array of values by running each element in `collection` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n *\n * The guarded methods are:\n * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new mapped array.\n * @example\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * _.map([4, 8], square);\n * // => [16, 64]\n *\n * _.map({ 'a': 4, 'b': 8 }, square);\n * // => [16, 64] (iteration order is not guaranteed)\n *\n * var users = [\n * { 'user': 'barney' },\n * { 'user': 'fred' }\n * ];\n *\n * // The `_.property` iteratee shorthand.\n * _.map(users, 'user');\n * // => ['barney', 'fred']\n */\n function map(collection, iteratee) {\n var func = isArray(collection) ? arrayMap : baseMap;\n return func(collection, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.sortBy` except that it allows specifying the sort\n * orders of the iteratees to sort by. If `orders` is unspecified, all values\n * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n * descending or \"asc\" for ascending sort order of corresponding values.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @param {string[]} [orders] The sort orders of `iteratees`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 34 },\n * { 'user': 'fred', 'age': 40 },\n * { 'user': 'barney', 'age': 36 }\n * ];\n *\n * // Sort by `user` in ascending order and by `age` in descending order.\n * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n */\n function orderBy(collection, iteratees, orders, guard) {\n if (collection == null) {\n return [];\n }\n if (!isArray(iteratees)) {\n iteratees = iteratees == null ? [] : [iteratees];\n }\n orders = guard ? undefined : orders;\n if (!isArray(orders)) {\n orders = orders == null ? [] : [orders];\n }\n return baseOrderBy(collection, iteratees, orders);\n }\n\n /**\n * Creates an array of elements split into two groups, the first of which\n * contains elements `predicate` returns truthy for, the second of which\n * contains elements `predicate` returns falsey for. The predicate is\n * invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the array of grouped elements.\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true },\n * { 'user': 'pebbles', 'age': 1, 'active': false }\n * ];\n *\n * _.partition(users, function(o) { return o.active; });\n * // => objects for [['fred'], ['barney', 'pebbles']]\n *\n * // The `_.matches` iteratee shorthand.\n * _.partition(users, { 'age': 1, 'active': false });\n * // => objects for [['pebbles'], ['barney', 'fred']]\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.partition(users, ['active', false]);\n * // => objects for [['barney', 'pebbles'], ['fred']]\n *\n * // The `_.property` iteratee shorthand.\n * _.partition(users, 'active');\n * // => objects for [['fred'], ['barney', 'pebbles']]\n */\n var partition = createAggregator(function(result, value, key) {\n result[key ? 0 : 1].push(value);\n }, function() { return [[], []]; });\n\n /**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n * return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\n function reduce(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduce : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n }\n\n /**\n * This method is like `_.reduce` except that it iterates over elements of\n * `collection` from right to left.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduce\n * @example\n *\n * var array = [[0, 1], [2, 3], [4, 5]];\n *\n * _.reduceRight(array, function(flattened, other) {\n * return flattened.concat(other);\n * }, []);\n * // => [4, 5, 2, 3, 0, 1]\n */\n function reduceRight(collection, iteratee, accumulator) {\n var func = isArray(collection) ? arrayReduceRight : baseReduce,\n initAccum = arguments.length < 3;\n\n return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n }\n\n /**\n * The opposite of `_.filter`; this method returns the elements of `collection`\n * that `predicate` does **not** return truthy for.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {Array} Returns the new filtered array.\n * @see _.filter\n * @example\n *\n * var users = [\n * { 'user': 'barney', 'age': 36, 'active': false },\n * { 'user': 'fred', 'age': 40, 'active': true }\n * ];\n *\n * _.reject(users, function(o) { return !o.active; });\n * // => objects for ['fred']\n *\n * // The `_.matches` iteratee shorthand.\n * _.reject(users, { 'age': 40, 'active': true });\n * // => objects for ['barney']\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.reject(users, ['active', false]);\n * // => objects for ['fred']\n *\n * // The `_.property` iteratee shorthand.\n * _.reject(users, 'active');\n * // => objects for ['barney']\n */\n function reject(collection, predicate) {\n var func = isArray(collection) ? arrayFilter : baseFilter;\n return func(collection, negate(getIteratee(predicate, 3)));\n }\n\n /**\n * Gets a random element from `collection`.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @returns {*} Returns the random element.\n * @example\n *\n * _.sample([1, 2, 3, 4]);\n * // => 2\n */\n function sample(collection) {\n var func = isArray(collection) ? arraySample : baseSample;\n return func(collection);\n }\n\n /**\n * Gets `n` random elements at unique keys from `collection` up to the\n * size of `collection`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Collection\n * @param {Array|Object} collection The collection to sample.\n * @param {number} [n=1] The number of elements to sample.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Array} Returns the random elements.\n * @example\n *\n * _.sampleSize([1, 2, 3], 2);\n * // => [3, 1]\n *\n * _.sampleSize([1, 2, 3], 4);\n * // => [2, 3, 1]\n */\n function sampleSize(collection, n, guard) {\n if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n return func(collection, n);\n }\n\n /**\n * Creates an array of shuffled values, using a version of the\n * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to shuffle.\n * @returns {Array} Returns the new shuffled array.\n * @example\n *\n * _.shuffle([1, 2, 3, 4]);\n * // => [4, 1, 3, 2]\n */\n function shuffle(collection) {\n var func = isArray(collection) ? arrayShuffle : baseShuffle;\n return func(collection);\n }\n\n /**\n * Gets the size of `collection` by returning its length for array-like\n * values or the number of own enumerable string keyed properties for objects.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object|string} collection The collection to inspect.\n * @returns {number} Returns the collection size.\n * @example\n *\n * _.size([1, 2, 3]);\n * // => 3\n *\n * _.size({ 'a': 1, 'b': 2 });\n * // => 2\n *\n * _.size('pebbles');\n * // => 7\n */\n function size(collection) {\n if (collection == null) {\n return 0;\n }\n if (isArrayLike(collection)) {\n return isString(collection) ? stringSize(collection) : collection.length;\n }\n var tag = getTag(collection);\n if (tag == mapTag || tag == setTag) {\n return collection.size;\n }\n return baseKeys(collection).length;\n }\n\n /**\n * Checks if `predicate` returns truthy for **any** element of `collection`.\n * Iteration is stopped once `predicate` returns truthy. The predicate is\n * invoked with three arguments: (value, index|key, collection).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {boolean} Returns `true` if any element passes the predicate check,\n * else `false`.\n * @example\n *\n * _.some([null, 0, 'yes', false], Boolean);\n * // => true\n *\n * var users = [\n * { 'user': 'barney', 'active': true },\n * { 'user': 'fred', 'active': false }\n * ];\n *\n * // The `_.matches` iteratee shorthand.\n * _.some(users, { 'user': 'barney', 'active': false });\n * // => false\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.some(users, ['active', false]);\n * // => true\n *\n * // The `_.property` iteratee shorthand.\n * _.some(users, 'active');\n * // => true\n */\n function some(collection, predicate, guard) {\n var func = isArray(collection) ? arraySome : baseSome;\n if (guard && isIterateeCall(collection, predicate, guard)) {\n predicate = undefined;\n }\n return func(collection, getIteratee(predicate, 3));\n }\n\n /**\n * Creates an array of elements, sorted in ascending order by the results of\n * running each element in a collection thru each iteratee. This method\n * performs a stable sort, that is, it preserves the original sort order of\n * equal elements. The iteratees are invoked with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {...(Function|Function[])} [iteratees=[_.identity]]\n * The iteratees to sort by.\n * @returns {Array} Returns the new sorted array.\n * @example\n *\n * var users = [\n * { 'user': 'fred', 'age': 48 },\n * { 'user': 'barney', 'age': 36 },\n * { 'user': 'fred', 'age': 30 },\n * { 'user': 'barney', 'age': 34 }\n * ];\n *\n * _.sortBy(users, [function(o) { return o.user; }]);\n * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 30]]\n *\n * _.sortBy(users, ['user', 'age']);\n * // => objects for [['barney', 34], ['barney', 36], ['fred', 30], ['fred', 48]]\n */\n var sortBy = baseRest(function(collection, iteratees) {\n if (collection == null) {\n return [];\n }\n var length = iteratees.length;\n if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n iteratees = [];\n } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n iteratees = [iteratees[0]];\n }\n return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n });\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Gets the timestamp of the number of milliseconds that have elapsed since\n * the Unix epoch (1 January 1970 00:00:00 UTC).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Date\n * @returns {number} Returns the timestamp.\n * @example\n *\n * _.defer(function(stamp) {\n * console.log(_.now() - stamp);\n * }, _.now());\n * // => Logs the number of milliseconds it took for the deferred invocation.\n */\n var now = ctxNow || function() {\n return root.Date.now();\n };\n\n /*------------------------------------------------------------------------*/\n\n /**\n * The opposite of `_.before`; this method creates a function that invokes\n * `func` once it's called `n` or more times.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {number} n The number of calls before `func` is invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var saves = ['profile', 'settings'];\n *\n * var done = _.after(saves.length, function() {\n * console.log('done saving!');\n * });\n *\n * _.forEach(saves, function(type) {\n * asyncSave({ 'type': type, 'complete': done });\n * });\n * // => Logs 'done saving!' after the two async saves have completed.\n */\n function after(n, func) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n < 1) {\n return func.apply(this, arguments);\n }\n };\n }\n\n /**\n * Creates a function that invokes `func`, with up to `n` arguments,\n * ignoring any additional arguments.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @param {number} [n=func.length] The arity cap.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n * // => [6, 8, 10]\n */\n function ary(func, n, guard) {\n n = guard ? undefined : n;\n n = (func && n == null) ? func.length : n;\n return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n }\n\n /**\n * Creates a function that invokes `func`, with the `this` binding and arguments\n * of the created function, while it's called less than `n` times. Subsequent\n * calls to the created function return the result of the last `func` invocation.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {number} n The number of calls at which `func` is no longer invoked.\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * jQuery(element).on('click', _.before(5, addContactToList));\n * // => Allows adding up to 4 contacts to the list.\n */\n function before(n, func) {\n var result;\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n n = toInteger(n);\n return function() {\n if (--n > 0) {\n result = func.apply(this, arguments);\n }\n if (n <= 1) {\n func = undefined;\n }\n return result;\n };\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of `thisArg`\n * and `partials` prepended to the arguments it receives.\n *\n * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for partially applied arguments.\n *\n * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n * property of bound functions.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to bind.\n * @param {*} thisArg The `this` binding of `func`.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * function greet(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n *\n * var object = { 'user': 'fred' };\n *\n * var bound = _.bind(greet, object, 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bind(greet, object, _, '!');\n * bound('hi');\n * // => 'hi fred!'\n */\n var bind = baseRest(function(func, thisArg, partials) {\n var bitmask = WRAP_BIND_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bind));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(func, bitmask, thisArg, partials, holders);\n });\n\n /**\n * Creates a function that invokes the method at `object[key]` with `partials`\n * prepended to the arguments it receives.\n *\n * This method differs from `_.bind` by allowing bound functions to reference\n * methods that may be redefined or don't yet exist. See\n * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n * for more details.\n *\n * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Function\n * @param {Object} object The object to invoke the method on.\n * @param {string} key The key of the method.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new bound function.\n * @example\n *\n * var object = {\n * 'user': 'fred',\n * 'greet': function(greeting, punctuation) {\n * return greeting + ' ' + this.user + punctuation;\n * }\n * };\n *\n * var bound = _.bindKey(object, 'greet', 'hi');\n * bound('!');\n * // => 'hi fred!'\n *\n * object.greet = function(greeting, punctuation) {\n * return greeting + 'ya ' + this.user + punctuation;\n * };\n *\n * bound('!');\n * // => 'hiya fred!'\n *\n * // Bound with placeholders.\n * var bound = _.bindKey(object, 'greet', _, '!');\n * bound('hi');\n * // => 'hiya fred!'\n */\n var bindKey = baseRest(function(object, key, partials) {\n var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n if (partials.length) {\n var holders = replaceHolders(partials, getHolder(bindKey));\n bitmask |= WRAP_PARTIAL_FLAG;\n }\n return createWrap(key, bitmask, object, partials, holders);\n });\n\n /**\n * Creates a function that accepts arguments of `func` and either invokes\n * `func` returning its result, if at least `arity` number of arguments have\n * been provided, or returns a function that accepts the remaining `func`\n * arguments, and so on. The arity of `func` may be specified if `func.length`\n * is not sufficient.\n *\n * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n * may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curry(abc);\n *\n * curried(1)(2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2)(3);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(1)(_, 3)(2);\n * // => [1, 2, 3]\n */\n function curry(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curry.placeholder;\n return result;\n }\n\n /**\n * This method is like `_.curry` except that arguments are applied to `func`\n * in the manner of `_.partialRight` instead of `_.partial`.\n *\n * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for provided arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of curried functions.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to curry.\n * @param {number} [arity=func.length] The arity of `func`.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the new curried function.\n * @example\n *\n * var abc = function(a, b, c) {\n * return [a, b, c];\n * };\n *\n * var curried = _.curryRight(abc);\n *\n * curried(3)(2)(1);\n * // => [1, 2, 3]\n *\n * curried(2, 3)(1);\n * // => [1, 2, 3]\n *\n * curried(1, 2, 3);\n * // => [1, 2, 3]\n *\n * // Curried with placeholders.\n * curried(3)(1, _)(2);\n * // => [1, 2, 3]\n */\n function curryRight(func, arity, guard) {\n arity = guard ? undefined : arity;\n var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n result.placeholder = curryRight.placeholder;\n return result;\n }\n\n /**\n * Creates a debounced function that delays invoking `func` until after `wait`\n * milliseconds have elapsed since the last time the debounced function was\n * invoked. The debounced function comes with a `cancel` method to cancel\n * delayed `func` invocations and a `flush` method to immediately invoke them.\n * Provide `options` to indicate whether `func` should be invoked on the\n * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n * with the last arguments provided to the debounced function. Subsequent\n * calls to the debounced function return the result of the last `func`\n * invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the debounced function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.debounce` and `_.throttle`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to debounce.\n * @param {number} [wait=0] The number of milliseconds to delay.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=false]\n * Specify invoking on the leading edge of the timeout.\n * @param {number} [options.maxWait]\n * The maximum time `func` is allowed to be delayed before it's invoked.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new debounced function.\n * @example\n *\n * // Avoid costly calculations while the window size is in flux.\n * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n *\n * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n * jQuery(element).on('click', _.debounce(sendMail, 300, {\n * 'leading': true,\n * 'trailing': false\n * }));\n *\n * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n * var source = new EventSource('/stream');\n * jQuery(source).on('message', debounced);\n *\n * // Cancel the trailing debounced invocation.\n * jQuery(window).on('popstate', debounced.cancel);\n */\n function debounce(func, wait, options) {\n var lastArgs,\n lastThis,\n maxWait,\n result,\n timerId,\n lastCallTime,\n lastInvokeTime = 0,\n leading = false,\n maxing = false,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n wait = toNumber(wait) || 0;\n if (isObject(options)) {\n leading = !!options.leading;\n maxing = 'maxWait' in options;\n maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n\n function invokeFunc(time) {\n var args = lastArgs,\n thisArg = lastThis;\n\n lastArgs = lastThis = undefined;\n lastInvokeTime = time;\n result = func.apply(thisArg, args);\n return result;\n }\n\n function leadingEdge(time) {\n // Reset any `maxWait` timer.\n lastInvokeTime = time;\n // Start the timer for the trailing edge.\n timerId = setTimeout(timerExpired, wait);\n // Invoke the leading edge.\n return leading ? invokeFunc(time) : result;\n }\n\n function remainingWait(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime,\n timeWaiting = wait - timeSinceLastCall;\n\n return maxing\n ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n : timeWaiting;\n }\n\n function shouldInvoke(time) {\n var timeSinceLastCall = time - lastCallTime,\n timeSinceLastInvoke = time - lastInvokeTime;\n\n // Either this is the first call, activity has stopped and we're at the\n // trailing edge, the system time has gone backwards and we're treating\n // it as the trailing edge, or we've hit the `maxWait` limit.\n return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n }\n\n function timerExpired() {\n var time = now();\n if (shouldInvoke(time)) {\n return trailingEdge(time);\n }\n // Restart the timer.\n timerId = setTimeout(timerExpired, remainingWait(time));\n }\n\n function trailingEdge(time) {\n timerId = undefined;\n\n // Only invoke if we have `lastArgs` which means `func` has been\n // debounced at least once.\n if (trailing && lastArgs) {\n return invokeFunc(time);\n }\n lastArgs = lastThis = undefined;\n return result;\n }\n\n function cancel() {\n if (timerId !== undefined) {\n clearTimeout(timerId);\n }\n lastInvokeTime = 0;\n lastArgs = lastCallTime = lastThis = timerId = undefined;\n }\n\n function flush() {\n return timerId === undefined ? result : trailingEdge(now());\n }\n\n function debounced() {\n var time = now(),\n isInvoking = shouldInvoke(time);\n\n lastArgs = arguments;\n lastThis = this;\n lastCallTime = time;\n\n if (isInvoking) {\n if (timerId === undefined) {\n return leadingEdge(lastCallTime);\n }\n if (maxing) {\n // Handle invocations in a tight loop.\n clearTimeout(timerId);\n timerId = setTimeout(timerExpired, wait);\n return invokeFunc(lastCallTime);\n }\n }\n if (timerId === undefined) {\n timerId = setTimeout(timerExpired, wait);\n }\n return result;\n }\n debounced.cancel = cancel;\n debounced.flush = flush;\n return debounced;\n }\n\n /**\n * Defers invoking the `func` until the current call stack has cleared. Any\n * additional arguments are provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to defer.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.defer(function(text) {\n * console.log(text);\n * }, 'deferred');\n * // => Logs 'deferred' after one millisecond.\n */\n var defer = baseRest(function(func, args) {\n return baseDelay(func, 1, args);\n });\n\n /**\n * Invokes `func` after `wait` milliseconds. Any additional arguments are\n * provided to `func` when it's invoked.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to delay.\n * @param {number} wait The number of milliseconds to delay invocation.\n * @param {...*} [args] The arguments to invoke `func` with.\n * @returns {number} Returns the timer id.\n * @example\n *\n * _.delay(function(text) {\n * console.log(text);\n * }, 1000, 'later');\n * // => Logs 'later' after one second.\n */\n var delay = baseRest(function(func, wait, args) {\n return baseDelay(func, toNumber(wait) || 0, args);\n });\n\n /**\n * Creates a function that invokes `func` with arguments reversed.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to flip arguments for.\n * @returns {Function} Returns the new flipped function.\n * @example\n *\n * var flipped = _.flip(function() {\n * return _.toArray(arguments);\n * });\n *\n * flipped('a', 'b', 'c', 'd');\n * // => ['d', 'c', 'b', 'a']\n */\n function flip(func) {\n return createWrap(func, WRAP_FLIP_FLAG);\n }\n\n /**\n * Creates a function that memoizes the result of `func`. If `resolver` is\n * provided, it determines the cache key for storing the result based on the\n * arguments provided to the memoized function. By default, the first argument\n * provided to the memoized function is used as the map cache key. The `func`\n * is invoked with the `this` binding of the memoized function.\n *\n * **Note:** The cache is exposed as the `cache` property on the memoized\n * function. Its creation may be customized by replacing the `_.memoize.Cache`\n * constructor with one whose instances implement the\n * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to have its output memoized.\n * @param {Function} [resolver] The function to resolve the cache key.\n * @returns {Function} Returns the new memoized function.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n * var other = { 'c': 3, 'd': 4 };\n *\n * var values = _.memoize(_.values);\n * values(object);\n * // => [1, 2]\n *\n * values(other);\n * // => [3, 4]\n *\n * object.a = 2;\n * values(object);\n * // => [1, 2]\n *\n * // Modify the result cache.\n * values.cache.set(object, ['a', 'b']);\n * values(object);\n * // => ['a', 'b']\n *\n * // Replace `_.memoize.Cache`.\n * _.memoize.Cache = WeakMap;\n */\n function memoize(func, resolver) {\n if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n var memoized = function() {\n var args = arguments,\n key = resolver ? resolver.apply(this, args) : args[0],\n cache = memoized.cache;\n\n if (cache.has(key)) {\n return cache.get(key);\n }\n var result = func.apply(this, args);\n memoized.cache = cache.set(key, result) || cache;\n return result;\n };\n memoized.cache = new (memoize.Cache || MapCache);\n return memoized;\n }\n\n // Expose `MapCache`.\n memoize.Cache = MapCache;\n\n /**\n * Creates a function that negates the result of the predicate `func`. The\n * `func` predicate is invoked with the `this` binding and arguments of the\n * created function.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} predicate The predicate to negate.\n * @returns {Function} Returns the new negated function.\n * @example\n *\n * function isEven(n) {\n * return n % 2 == 0;\n * }\n *\n * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n * // => [1, 3, 5]\n */\n function negate(predicate) {\n if (typeof predicate != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n return function() {\n var args = arguments;\n switch (args.length) {\n case 0: return !predicate.call(this);\n case 1: return !predicate.call(this, args[0]);\n case 2: return !predicate.call(this, args[0], args[1]);\n case 3: return !predicate.call(this, args[0], args[1], args[2]);\n }\n return !predicate.apply(this, args);\n };\n }\n\n /**\n * Creates a function that is restricted to invoking `func` once. Repeat calls\n * to the function return the value of the first invocation. The `func` is\n * invoked with the `this` binding and arguments of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to restrict.\n * @returns {Function} Returns the new restricted function.\n * @example\n *\n * var initialize = _.once(createApplication);\n * initialize();\n * initialize();\n * // => `createApplication` is invoked once\n */\n function once(func) {\n return before(2, func);\n }\n\n /**\n * Creates a function that invokes `func` with its arguments transformed.\n *\n * @static\n * @since 4.0.0\n * @memberOf _\n * @category Function\n * @param {Function} func The function to wrap.\n * @param {...(Function|Function[])} [transforms=[_.identity]]\n * The argument transforms.\n * @returns {Function} Returns the new function.\n * @example\n *\n * function doubled(n) {\n * return n * 2;\n * }\n *\n * function square(n) {\n * return n * n;\n * }\n *\n * var func = _.overArgs(function(x, y) {\n * return [x, y];\n * }, [square, doubled]);\n *\n * func(9, 3);\n * // => [81, 6]\n *\n * func(10, 5);\n * // => [100, 10]\n */\n var overArgs = castRest(function(func, transforms) {\n transforms = (transforms.length == 1 && isArray(transforms[0]))\n ? arrayMap(transforms[0], baseUnary(getIteratee()))\n : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n var funcsLength = transforms.length;\n return baseRest(function(args) {\n var index = -1,\n length = nativeMin(args.length, funcsLength);\n\n while (++index < length) {\n args[index] = transforms[index].call(this, args[index]);\n }\n return apply(func, this, args);\n });\n });\n\n /**\n * Creates a function that invokes `func` with `partials` prepended to the\n * arguments it receives. This method is like `_.bind` except it does **not**\n * alter the `this` binding.\n *\n * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 0.2.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var sayHelloTo = _.partial(greet, 'hello');\n * sayHelloTo('fred');\n * // => 'hello fred'\n *\n * // Partially applied with placeholders.\n * var greetFred = _.partial(greet, _, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n */\n var partial = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partial));\n return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n });\n\n /**\n * This method is like `_.partial` except that partially applied arguments\n * are appended to the arguments it receives.\n *\n * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n * builds, may be used as a placeholder for partially applied arguments.\n *\n * **Note:** This method doesn't set the \"length\" property of partially\n * applied functions.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Function\n * @param {Function} func The function to partially apply arguments to.\n * @param {...*} [partials] The arguments to be partially applied.\n * @returns {Function} Returns the new partially applied function.\n * @example\n *\n * function greet(greeting, name) {\n * return greeting + ' ' + name;\n * }\n *\n * var greetFred = _.partialRight(greet, 'fred');\n * greetFred('hi');\n * // => 'hi fred'\n *\n * // Partially applied with placeholders.\n * var sayHelloTo = _.partialRight(greet, 'hello', _);\n * sayHelloTo('fred');\n * // => 'hello fred'\n */\n var partialRight = baseRest(function(func, partials) {\n var holders = replaceHolders(partials, getHolder(partialRight));\n return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n });\n\n /**\n * Creates a function that invokes `func` with arguments arranged according\n * to the specified `indexes` where the argument value at the first index is\n * provided as the first argument, the argument value at the second index is\n * provided as the second argument, and so on.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Function\n * @param {Function} func The function to rearrange arguments for.\n * @param {...(number|number[])} indexes The arranged argument indexes.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var rearged = _.rearg(function(a, b, c) {\n * return [a, b, c];\n * }, [2, 0, 1]);\n *\n * rearged('b', 'c', 'a')\n * // => ['a', 'b', 'c']\n */\n var rearg = flatRest(function(func, indexes) {\n return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n });\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * created function and arguments from `start` and beyond provided as\n * an array.\n *\n * **Note:** This method is based on the\n * [rest parameter](https://mdn.io/rest_parameters).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to apply a rest parameter to.\n * @param {number} [start=func.length-1] The start position of the rest parameter.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.rest(function(what, names) {\n * return what + ' ' + _.initial(names).join(', ') +\n * (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n * });\n *\n * say('hello', 'fred', 'barney', 'pebbles');\n * // => 'hello fred, barney, & pebbles'\n */\n function rest(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start === undefined ? start : toInteger(start);\n return baseRest(func, start);\n }\n\n /**\n * Creates a function that invokes `func` with the `this` binding of the\n * create function and an array of arguments much like\n * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n *\n * **Note:** This method is based on the\n * [spread operator](https://mdn.io/spread_operator).\n *\n * @static\n * @memberOf _\n * @since 3.2.0\n * @category Function\n * @param {Function} func The function to spread arguments over.\n * @param {number} [start=0] The start position of the spread.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var say = _.spread(function(who, what) {\n * return who + ' says ' + what;\n * });\n *\n * say(['fred', 'hello']);\n * // => 'fred says hello'\n *\n * var numbers = Promise.all([\n * Promise.resolve(40),\n * Promise.resolve(36)\n * ]);\n *\n * numbers.then(_.spread(function(x, y) {\n * return x + y;\n * }));\n * // => a Promise of 76\n */\n function spread(func, start) {\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n start = start == null ? 0 : nativeMax(toInteger(start), 0);\n return baseRest(function(args) {\n var array = args[start],\n otherArgs = castSlice(args, 0, start);\n\n if (array) {\n arrayPush(otherArgs, array);\n }\n return apply(func, this, otherArgs);\n });\n }\n\n /**\n * Creates a throttled function that only invokes `func` at most once per\n * every `wait` milliseconds. The throttled function comes with a `cancel`\n * method to cancel delayed `func` invocations and a `flush` method to\n * immediately invoke them. Provide `options` to indicate whether `func`\n * should be invoked on the leading and/or trailing edge of the `wait`\n * timeout. The `func` is invoked with the last arguments provided to the\n * throttled function. Subsequent calls to the throttled function return the\n * result of the last `func` invocation.\n *\n * **Note:** If `leading` and `trailing` options are `true`, `func` is\n * invoked on the trailing edge of the timeout only if the throttled function\n * is invoked more than once during the `wait` timeout.\n *\n * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n *\n * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n * for details over the differences between `_.throttle` and `_.debounce`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {Function} func The function to throttle.\n * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n * @param {Object} [options={}] The options object.\n * @param {boolean} [options.leading=true]\n * Specify invoking on the leading edge of the timeout.\n * @param {boolean} [options.trailing=true]\n * Specify invoking on the trailing edge of the timeout.\n * @returns {Function} Returns the new throttled function.\n * @example\n *\n * // Avoid excessively updating the position while scrolling.\n * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n *\n * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n * jQuery(element).on('click', throttled);\n *\n * // Cancel the trailing throttled invocation.\n * jQuery(window).on('popstate', throttled.cancel);\n */\n function throttle(func, wait, options) {\n var leading = true,\n trailing = true;\n\n if (typeof func != 'function') {\n throw new TypeError(FUNC_ERROR_TEXT);\n }\n if (isObject(options)) {\n leading = 'leading' in options ? !!options.leading : leading;\n trailing = 'trailing' in options ? !!options.trailing : trailing;\n }\n return debounce(func, wait, {\n 'leading': leading,\n 'maxWait': wait,\n 'trailing': trailing\n });\n }\n\n /**\n * Creates a function that accepts up to one argument, ignoring any\n * additional arguments.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Function\n * @param {Function} func The function to cap arguments for.\n * @returns {Function} Returns the new capped function.\n * @example\n *\n * _.map(['6', '8', '10'], _.unary(parseInt));\n * // => [6, 8, 10]\n */\n function unary(func) {\n return ary(func, 1);\n }\n\n /**\n * Creates a function that provides `value` to `wrapper` as its first\n * argument. Any additional arguments provided to the function are appended\n * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n * binding of the created function.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Function\n * @param {*} value The value to wrap.\n * @param {Function} [wrapper=identity] The wrapper function.\n * @returns {Function} Returns the new function.\n * @example\n *\n * var p = _.wrap(_.escape, function(func, text) {\n * return '

' + func(text) + '

';\n * });\n *\n * p('fred, barney, & pebbles');\n * // => '

fred, barney, & pebbles

'\n */\n function wrap(value, wrapper) {\n return partial(castFunction(wrapper), value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Casts `value` as an array if it's not one.\n *\n * @static\n * @memberOf _\n * @since 4.4.0\n * @category Lang\n * @param {*} value The value to inspect.\n * @returns {Array} Returns the cast array.\n * @example\n *\n * _.castArray(1);\n * // => [1]\n *\n * _.castArray({ 'a': 1 });\n * // => [{ 'a': 1 }]\n *\n * _.castArray('abc');\n * // => ['abc']\n *\n * _.castArray(null);\n * // => [null]\n *\n * _.castArray(undefined);\n * // => [undefined]\n *\n * _.castArray();\n * // => []\n *\n * var array = [1, 2, 3];\n * console.log(_.castArray(array) === array);\n * // => true\n */\n function castArray() {\n if (!arguments.length) {\n return [];\n }\n var value = arguments[0];\n return isArray(value) ? value : [value];\n }\n\n /**\n * Creates a shallow clone of `value`.\n *\n * **Note:** This method is loosely based on the\n * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n * and supports cloning arrays, array buffers, booleans, date objects, maps,\n * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n * arrays. The own enumerable properties of `arguments` objects are cloned\n * as plain objects. An empty object is returned for uncloneable values such\n * as error objects, functions, DOM nodes, and WeakMaps.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to clone.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeep\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var shallow = _.clone(objects);\n * console.log(shallow[0] === objects[0]);\n * // => true\n */\n function clone(value) {\n return baseClone(value, CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.clone` except that it accepts `customizer` which\n * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n * cloning is handled by the method instead. The `customizer` is invoked with\n * up to four arguments; (value [, index|key, object, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the cloned value.\n * @see _.cloneDeepWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(false);\n * }\n * }\n *\n * var el = _.cloneWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 0\n */\n function cloneWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * This method is like `_.clone` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @returns {*} Returns the deep cloned value.\n * @see _.clone\n * @example\n *\n * var objects = [{ 'a': 1 }, { 'b': 2 }];\n *\n * var deep = _.cloneDeep(objects);\n * console.log(deep[0] === objects[0]);\n * // => false\n */\n function cloneDeep(value) {\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n }\n\n /**\n * This method is like `_.cloneWith` except that it recursively clones `value`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to recursively clone.\n * @param {Function} [customizer] The function to customize cloning.\n * @returns {*} Returns the deep cloned value.\n * @see _.cloneWith\n * @example\n *\n * function customizer(value) {\n * if (_.isElement(value)) {\n * return value.cloneNode(true);\n * }\n * }\n *\n * var el = _.cloneDeepWith(document.body, customizer);\n *\n * console.log(el === document.body);\n * // => false\n * console.log(el.nodeName);\n * // => 'BODY'\n * console.log(el.childNodes.length);\n * // => 20\n */\n function cloneDeepWith(value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n }\n\n /**\n * Checks if `object` conforms to `source` by invoking the predicate\n * properties of `source` with the corresponding property values of `object`.\n *\n * **Note:** This method is equivalent to `_.conforms` when `source` is\n * partially applied.\n *\n * @static\n * @memberOf _\n * @since 4.14.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property predicates to conform to.\n * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n * // => true\n *\n * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n * // => false\n */\n function conformsTo(object, source) {\n return source == null || baseConformsTo(object, source, keys(source));\n }\n\n /**\n * Performs a\n * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n * comparison between two values to determine if they are equivalent.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.eq(object, object);\n * // => true\n *\n * _.eq(object, other);\n * // => false\n *\n * _.eq('a', 'a');\n * // => true\n *\n * _.eq('a', Object('a'));\n * // => false\n *\n * _.eq(NaN, NaN);\n * // => true\n */\n function eq(value, other) {\n return value === other || (value !== value && other !== other);\n }\n\n /**\n * Checks if `value` is greater than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than `other`,\n * else `false`.\n * @see _.lt\n * @example\n *\n * _.gt(3, 1);\n * // => true\n *\n * _.gt(3, 3);\n * // => false\n *\n * _.gt(1, 3);\n * // => false\n */\n var gt = createRelationalOperation(baseGt);\n\n /**\n * Checks if `value` is greater than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is greater than or equal to\n * `other`, else `false`.\n * @see _.lte\n * @example\n *\n * _.gte(3, 1);\n * // => true\n *\n * _.gte(3, 3);\n * // => true\n *\n * _.gte(1, 3);\n * // => false\n */\n var gte = createRelationalOperation(function(value, other) {\n return value >= other;\n });\n\n /**\n * Checks if `value` is likely an `arguments` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n * else `false`.\n * @example\n *\n * _.isArguments(function() { return arguments; }());\n * // => true\n *\n * _.isArguments([1, 2, 3]);\n * // => false\n */\n var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n !propertyIsEnumerable.call(value, 'callee');\n };\n\n /**\n * Checks if `value` is classified as an `Array` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n * @example\n *\n * _.isArray([1, 2, 3]);\n * // => true\n *\n * _.isArray(document.body.children);\n * // => false\n *\n * _.isArray('abc');\n * // => false\n *\n * _.isArray(_.noop);\n * // => false\n */\n var isArray = Array.isArray;\n\n /**\n * Checks if `value` is classified as an `ArrayBuffer` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n * @example\n *\n * _.isArrayBuffer(new ArrayBuffer(2));\n * // => true\n *\n * _.isArrayBuffer(new Array(2));\n * // => false\n */\n var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n /**\n * Checks if `value` is array-like. A value is considered array-like if it's\n * not a function and has a `value.length` that's an integer greater than or\n * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n * @example\n *\n * _.isArrayLike([1, 2, 3]);\n * // => true\n *\n * _.isArrayLike(document.body.children);\n * // => true\n *\n * _.isArrayLike('abc');\n * // => true\n *\n * _.isArrayLike(_.noop);\n * // => false\n */\n function isArrayLike(value) {\n return value != null && isLength(value.length) && !isFunction(value);\n }\n\n /**\n * This method is like `_.isArrayLike` except that it also checks if `value`\n * is an object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an array-like object,\n * else `false`.\n * @example\n *\n * _.isArrayLikeObject([1, 2, 3]);\n * // => true\n *\n * _.isArrayLikeObject(document.body.children);\n * // => true\n *\n * _.isArrayLikeObject('abc');\n * // => false\n *\n * _.isArrayLikeObject(_.noop);\n * // => false\n */\n function isArrayLikeObject(value) {\n return isObjectLike(value) && isArrayLike(value);\n }\n\n /**\n * Checks if `value` is classified as a boolean primitive or object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n * @example\n *\n * _.isBoolean(false);\n * // => true\n *\n * _.isBoolean(null);\n * // => false\n */\n function isBoolean(value) {\n return value === true || value === false ||\n (isObjectLike(value) && baseGetTag(value) == boolTag);\n }\n\n /**\n * Checks if `value` is a buffer.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n * @example\n *\n * _.isBuffer(new Buffer(2));\n * // => true\n *\n * _.isBuffer(new Uint8Array(2));\n * // => false\n */\n var isBuffer = nativeIsBuffer || stubFalse;\n\n /**\n * Checks if `value` is classified as a `Date` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n * @example\n *\n * _.isDate(new Date);\n * // => true\n *\n * _.isDate('Mon April 23 2012');\n * // => false\n */\n var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n /**\n * Checks if `value` is likely a DOM element.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n * @example\n *\n * _.isElement(document.body);\n * // => true\n *\n * _.isElement('');\n * // => false\n */\n function isElement(value) {\n return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n }\n\n /**\n * Checks if `value` is an empty object, collection, map, or set.\n *\n * Objects are considered empty if they have no own enumerable string keyed\n * properties.\n *\n * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n * jQuery-like collections are considered empty if they have a `length` of `0`.\n * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n * @example\n *\n * _.isEmpty(null);\n * // => true\n *\n * _.isEmpty(true);\n * // => true\n *\n * _.isEmpty(1);\n * // => true\n *\n * _.isEmpty([1, 2, 3]);\n * // => false\n *\n * _.isEmpty({ 'a': 1 });\n * // => false\n */\n function isEmpty(value) {\n if (value == null) {\n return true;\n }\n if (isArrayLike(value) &&\n (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n return !value.length;\n }\n var tag = getTag(value);\n if (tag == mapTag || tag == setTag) {\n return !value.size;\n }\n if (isPrototype(value)) {\n return !baseKeys(value).length;\n }\n for (var key in value) {\n if (hasOwnProperty.call(value, key)) {\n return false;\n }\n }\n return true;\n }\n\n /**\n * Performs a deep comparison between two values to determine if they are\n * equivalent.\n *\n * **Note:** This method supports comparing arrays, array buffers, booleans,\n * date objects, error objects, maps, numbers, `Object` objects, regexes,\n * sets, strings, symbols, and typed arrays. `Object` objects are compared\n * by their own, not inherited, enumerable properties. Functions and DOM\n * nodes are compared by strict equality, i.e. `===`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * var object = { 'a': 1 };\n * var other = { 'a': 1 };\n *\n * _.isEqual(object, other);\n * // => true\n *\n * object === other;\n * // => false\n */\n function isEqual(value, other) {\n return baseIsEqual(value, other);\n }\n\n /**\n * This method is like `_.isEqual` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with up to\n * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, othValue) {\n * if (isGreeting(objValue) && isGreeting(othValue)) {\n * return true;\n * }\n * }\n *\n * var array = ['hello', 'goodbye'];\n * var other = ['hi', 'goodbye'];\n *\n * _.isEqualWith(array, other, customizer);\n * // => true\n */\n function isEqualWith(value, other, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n var result = customizer ? customizer(value, other) : undefined;\n return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n }\n\n /**\n * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n * `SyntaxError`, `TypeError`, or `URIError` object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n * @example\n *\n * _.isError(new Error);\n * // => true\n *\n * _.isError(Error);\n * // => false\n */\n function isError(value) {\n if (!isObjectLike(value)) {\n return false;\n }\n var tag = baseGetTag(value);\n return tag == errorTag || tag == domExcTag ||\n (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n }\n\n /**\n * Checks if `value` is a finite primitive number.\n *\n * **Note:** This method is based on\n * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n * @example\n *\n * _.isFinite(3);\n * // => true\n *\n * _.isFinite(Number.MIN_VALUE);\n * // => true\n *\n * _.isFinite(Infinity);\n * // => false\n *\n * _.isFinite('3');\n * // => false\n */\n function isFinite(value) {\n return typeof value == 'number' && nativeIsFinite(value);\n }\n\n /**\n * Checks if `value` is classified as a `Function` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n * @example\n *\n * _.isFunction(_);\n * // => true\n *\n * _.isFunction(/abc/);\n * // => false\n */\n function isFunction(value) {\n if (!isObject(value)) {\n return false;\n }\n // The use of `Object#toString` avoids issues with the `typeof` operator\n // in Safari 9 which returns 'object' for typed arrays and other constructors.\n var tag = baseGetTag(value);\n return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n }\n\n /**\n * Checks if `value` is an integer.\n *\n * **Note:** This method is based on\n * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n * @example\n *\n * _.isInteger(3);\n * // => true\n *\n * _.isInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isInteger(Infinity);\n * // => false\n *\n * _.isInteger('3');\n * // => false\n */\n function isInteger(value) {\n return typeof value == 'number' && value == toInteger(value);\n }\n\n /**\n * Checks if `value` is a valid array-like length.\n *\n * **Note:** This method is loosely based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n * @example\n *\n * _.isLength(3);\n * // => true\n *\n * _.isLength(Number.MIN_VALUE);\n * // => false\n *\n * _.isLength(Infinity);\n * // => false\n *\n * _.isLength('3');\n * // => false\n */\n function isLength(value) {\n return typeof value == 'number' &&\n value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is the\n * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n * @example\n *\n * _.isObject({});\n * // => true\n *\n * _.isObject([1, 2, 3]);\n * // => true\n *\n * _.isObject(_.noop);\n * // => true\n *\n * _.isObject(null);\n * // => false\n */\n function isObject(value) {\n var type = typeof value;\n return value != null && (type == 'object' || type == 'function');\n }\n\n /**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\n function isObjectLike(value) {\n return value != null && typeof value == 'object';\n }\n\n /**\n * Checks if `value` is classified as a `Map` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n * @example\n *\n * _.isMap(new Map);\n * // => true\n *\n * _.isMap(new WeakMap);\n * // => false\n */\n var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n /**\n * Performs a partial deep comparison between `object` and `source` to\n * determine if `object` contains equivalent property values.\n *\n * **Note:** This method is equivalent to `_.matches` when `source` is\n * partially applied.\n *\n * Partial comparisons will match empty array and empty object `source`\n * values against any array or object value, respectively. See `_.isEqual`\n * for a list of supported value comparisons.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * var object = { 'a': 1, 'b': 2 };\n *\n * _.isMatch(object, { 'b': 2 });\n * // => true\n *\n * _.isMatch(object, { 'b': 1 });\n * // => false\n */\n function isMatch(object, source) {\n return object === source || baseIsMatch(object, source, getMatchData(source));\n }\n\n /**\n * This method is like `_.isMatch` except that it accepts `customizer` which\n * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n * are handled by the method instead. The `customizer` is invoked with five\n * arguments: (objValue, srcValue, index|key, object, source).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {Object} object The object to inspect.\n * @param {Object} source The object of property values to match.\n * @param {Function} [customizer] The function to customize comparisons.\n * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n * @example\n *\n * function isGreeting(value) {\n * return /^h(?:i|ello)$/.test(value);\n * }\n *\n * function customizer(objValue, srcValue) {\n * if (isGreeting(objValue) && isGreeting(srcValue)) {\n * return true;\n * }\n * }\n *\n * var object = { 'greeting': 'hello' };\n * var source = { 'greeting': 'hi' };\n *\n * _.isMatchWith(object, source, customizer);\n * // => true\n */\n function isMatchWith(object, source, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return baseIsMatch(object, source, getMatchData(source), customizer);\n }\n\n /**\n * Checks if `value` is `NaN`.\n *\n * **Note:** This method is based on\n * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n * `undefined` and other non-number values.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n * @example\n *\n * _.isNaN(NaN);\n * // => true\n *\n * _.isNaN(new Number(NaN));\n * // => true\n *\n * isNaN(undefined);\n * // => true\n *\n * _.isNaN(undefined);\n * // => false\n */\n function isNaN(value) {\n // An `NaN` primitive is the only value that is not equal to itself.\n // Perform the `toStringTag` check first to avoid errors with some\n // ActiveX objects in IE.\n return isNumber(value) && value != +value;\n }\n\n /**\n * Checks if `value` is a pristine native function.\n *\n * **Note:** This method can't reliably detect native functions in the presence\n * of the core-js package because core-js circumvents this kind of detection.\n * Despite multiple requests, the core-js maintainer has made it clear: any\n * attempt to fix the detection will be obstructed. As a result, we're left\n * with little choice but to throw an error. Unfortunately, this also affects\n * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n * which rely on core-js.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a native function,\n * else `false`.\n * @example\n *\n * _.isNative(Array.prototype.push);\n * // => true\n *\n * _.isNative(_);\n * // => false\n */\n function isNative(value) {\n if (isMaskable(value)) {\n throw new Error(CORE_ERROR_TEXT);\n }\n return baseIsNative(value);\n }\n\n /**\n * Checks if `value` is `null`.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n * @example\n *\n * _.isNull(null);\n * // => true\n *\n * _.isNull(void 0);\n * // => false\n */\n function isNull(value) {\n return value === null;\n }\n\n /**\n * Checks if `value` is `null` or `undefined`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n * @example\n *\n * _.isNil(null);\n * // => true\n *\n * _.isNil(void 0);\n * // => true\n *\n * _.isNil(NaN);\n * // => false\n */\n function isNil(value) {\n return value == null;\n }\n\n /**\n * Checks if `value` is classified as a `Number` primitive or object.\n *\n * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n * classified as numbers, use the `_.isFinite` method.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n * @example\n *\n * _.isNumber(3);\n * // => true\n *\n * _.isNumber(Number.MIN_VALUE);\n * // => true\n *\n * _.isNumber(Infinity);\n * // => true\n *\n * _.isNumber('3');\n * // => false\n */\n function isNumber(value) {\n return typeof value == 'number' ||\n (isObjectLike(value) && baseGetTag(value) == numberTag);\n }\n\n /**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\n function isPlainObject(value) {\n if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n }\n\n /**\n * Checks if `value` is classified as a `RegExp` object.\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n * @example\n *\n * _.isRegExp(/abc/);\n * // => true\n *\n * _.isRegExp('/abc/');\n * // => false\n */\n var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n /**\n * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n * double precision number which isn't the result of a rounded unsafe integer.\n *\n * **Note:** This method is based on\n * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n * @example\n *\n * _.isSafeInteger(3);\n * // => true\n *\n * _.isSafeInteger(Number.MIN_VALUE);\n * // => false\n *\n * _.isSafeInteger(Infinity);\n * // => false\n *\n * _.isSafeInteger('3');\n * // => false\n */\n function isSafeInteger(value) {\n return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n }\n\n /**\n * Checks if `value` is classified as a `Set` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n * @example\n *\n * _.isSet(new Set);\n * // => true\n *\n * _.isSet(new WeakSet);\n * // => false\n */\n var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n /**\n * Checks if `value` is classified as a `String` primitive or object.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n * @example\n *\n * _.isString('abc');\n * // => true\n *\n * _.isString(1);\n * // => false\n */\n function isString(value) {\n return typeof value == 'string' ||\n (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n }\n\n /**\n * Checks if `value` is classified as a `Symbol` primitive or object.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n * @example\n *\n * _.isSymbol(Symbol.iterator);\n * // => true\n *\n * _.isSymbol('abc');\n * // => false\n */\n function isSymbol(value) {\n return typeof value == 'symbol' ||\n (isObjectLike(value) && baseGetTag(value) == symbolTag);\n }\n\n /**\n * Checks if `value` is classified as a typed array.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n * @example\n *\n * _.isTypedArray(new Uint8Array);\n * // => true\n *\n * _.isTypedArray([]);\n * // => false\n */\n var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n /**\n * Checks if `value` is `undefined`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n * @example\n *\n * _.isUndefined(void 0);\n * // => true\n *\n * _.isUndefined(null);\n * // => false\n */\n function isUndefined(value) {\n return value === undefined;\n }\n\n /**\n * Checks if `value` is classified as a `WeakMap` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n * @example\n *\n * _.isWeakMap(new WeakMap);\n * // => true\n *\n * _.isWeakMap(new Map);\n * // => false\n */\n function isWeakMap(value) {\n return isObjectLike(value) && getTag(value) == weakMapTag;\n }\n\n /**\n * Checks if `value` is classified as a `WeakSet` object.\n *\n * @static\n * @memberOf _\n * @since 4.3.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n * @example\n *\n * _.isWeakSet(new WeakSet);\n * // => true\n *\n * _.isWeakSet(new Set);\n * // => false\n */\n function isWeakSet(value) {\n return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n }\n\n /**\n * Checks if `value` is less than `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than `other`,\n * else `false`.\n * @see _.gt\n * @example\n *\n * _.lt(1, 3);\n * // => true\n *\n * _.lt(3, 3);\n * // => false\n *\n * _.lt(3, 1);\n * // => false\n */\n var lt = createRelationalOperation(baseLt);\n\n /**\n * Checks if `value` is less than or equal to `other`.\n *\n * @static\n * @memberOf _\n * @since 3.9.0\n * @category Lang\n * @param {*} value The value to compare.\n * @param {*} other The other value to compare.\n * @returns {boolean} Returns `true` if `value` is less than or equal to\n * `other`, else `false`.\n * @see _.gte\n * @example\n *\n * _.lte(1, 3);\n * // => true\n *\n * _.lte(3, 3);\n * // => true\n *\n * _.lte(3, 1);\n * // => false\n */\n var lte = createRelationalOperation(function(value, other) {\n return value <= other;\n });\n\n /**\n * Converts `value` to an array.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Array} Returns the converted array.\n * @example\n *\n * _.toArray({ 'a': 1, 'b': 2 });\n * // => [1, 2]\n *\n * _.toArray('abc');\n * // => ['a', 'b', 'c']\n *\n * _.toArray(1);\n * // => []\n *\n * _.toArray(null);\n * // => []\n */\n function toArray(value) {\n if (!value) {\n return [];\n }\n if (isArrayLike(value)) {\n return isString(value) ? stringToArray(value) : copyArray(value);\n }\n if (symIterator && value[symIterator]) {\n return iteratorToArray(value[symIterator]());\n }\n var tag = getTag(value),\n func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n return func(value);\n }\n\n /**\n * Converts `value` to a finite number.\n *\n * @static\n * @memberOf _\n * @since 4.12.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted number.\n * @example\n *\n * _.toFinite(3.2);\n * // => 3.2\n *\n * _.toFinite(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toFinite(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toFinite('3.2');\n * // => 3.2\n */\n function toFinite(value) {\n if (!value) {\n return value === 0 ? value : 0;\n }\n value = toNumber(value);\n if (value === INFINITY || value === -INFINITY) {\n var sign = (value < 0 ? -1 : 1);\n return sign * MAX_INTEGER;\n }\n return value === value ? value : 0;\n }\n\n /**\n * Converts `value` to an integer.\n *\n * **Note:** This method is loosely based on\n * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toInteger(3.2);\n * // => 3\n *\n * _.toInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toInteger(Infinity);\n * // => 1.7976931348623157e+308\n *\n * _.toInteger('3.2');\n * // => 3\n */\n function toInteger(value) {\n var result = toFinite(value),\n remainder = result % 1;\n\n return result === result ? (remainder ? result - remainder : result) : 0;\n }\n\n /**\n * Converts `value` to an integer suitable for use as the length of an\n * array-like object.\n *\n * **Note:** This method is based on\n * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toLength(3.2);\n * // => 3\n *\n * _.toLength(Number.MIN_VALUE);\n * // => 0\n *\n * _.toLength(Infinity);\n * // => 4294967295\n *\n * _.toLength('3.2');\n * // => 3\n */\n function toLength(value) {\n return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n }\n\n /**\n * Converts `value` to a number.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to process.\n * @returns {number} Returns the number.\n * @example\n *\n * _.toNumber(3.2);\n * // => 3.2\n *\n * _.toNumber(Number.MIN_VALUE);\n * // => 5e-324\n *\n * _.toNumber(Infinity);\n * // => Infinity\n *\n * _.toNumber('3.2');\n * // => 3.2\n */\n function toNumber(value) {\n if (typeof value == 'number') {\n return value;\n }\n if (isSymbol(value)) {\n return NAN;\n }\n if (isObject(value)) {\n var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n value = isObject(other) ? (other + '') : other;\n }\n if (typeof value != 'string') {\n return value === 0 ? value : +value;\n }\n value = baseTrim(value);\n var isBinary = reIsBinary.test(value);\n return (isBinary || reIsOctal.test(value))\n ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n : (reIsBadHex.test(value) ? NAN : +value);\n }\n\n /**\n * Converts `value` to a plain object flattening inherited enumerable string\n * keyed properties of `value` to own properties of the plain object.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {Object} Returns the converted plain object.\n * @example\n *\n * function Foo() {\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.assign({ 'a': 1 }, new Foo);\n * // => { 'a': 1, 'b': 2 }\n *\n * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n * // => { 'a': 1, 'b': 2, 'c': 3 }\n */\n function toPlainObject(value) {\n return copyObject(value, keysIn(value));\n }\n\n /**\n * Converts `value` to a safe integer. A safe integer can be compared and\n * represented correctly.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.toSafeInteger(3.2);\n * // => 3\n *\n * _.toSafeInteger(Number.MIN_VALUE);\n * // => 0\n *\n * _.toSafeInteger(Infinity);\n * // => 9007199254740991\n *\n * _.toSafeInteger('3.2');\n * // => 3\n */\n function toSafeInteger(value) {\n return value\n ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n : (value === 0 ? value : 0);\n }\n\n /**\n * Converts `value` to a string. An empty string is returned for `null`\n * and `undefined` values. The sign of `-0` is preserved.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.toString(null);\n * // => ''\n *\n * _.toString(-0);\n * // => '-0'\n *\n * _.toString([1, 2, 3]);\n * // => '1,2,3'\n */\n function toString(value) {\n return value == null ? '' : baseToString(value);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Assigns own enumerable string keyed properties of source objects to the\n * destination object. Source objects are applied from left to right.\n * Subsequent sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object` and is loosely based on\n * [`Object.assign`](https://mdn.io/Object/assign).\n *\n * @static\n * @memberOf _\n * @since 0.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assignIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assign({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'c': 3 }\n */\n var assign = createAssigner(function(object, source) {\n if (isPrototype(source) || isArrayLike(source)) {\n copyObject(source, keys(source), object);\n return;\n }\n for (var key in source) {\n if (hasOwnProperty.call(source, key)) {\n assignValue(object, key, source[key]);\n }\n }\n });\n\n /**\n * This method is like `_.assign` except that it iterates over own and\n * inherited source properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extend\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.assign\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * function Bar() {\n * this.c = 3;\n * }\n *\n * Foo.prototype.b = 2;\n * Bar.prototype.d = 4;\n *\n * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n */\n var assignIn = createAssigner(function(object, source) {\n copyObject(source, keysIn(source), object);\n });\n\n /**\n * This method is like `_.assignIn` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias extendWith\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignInWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keysIn(source), object, customizer);\n });\n\n /**\n * This method is like `_.assign` except that it accepts `customizer`\n * which is invoked to produce the assigned values. If `customizer` returns\n * `undefined`, assignment is handled by the method instead. The `customizer`\n * is invoked with five arguments: (objValue, srcValue, key, object, source).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @see _.assignInWith\n * @example\n *\n * function customizer(objValue, srcValue) {\n * return _.isUndefined(objValue) ? srcValue : objValue;\n * }\n *\n * var defaults = _.partialRight(_.assignWith, customizer);\n *\n * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n copyObject(source, keys(source), object, customizer);\n });\n\n /**\n * Creates an array of values corresponding to `paths` of `object`.\n *\n * @static\n * @memberOf _\n * @since 1.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Array} Returns the picked values.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n *\n * _.at(object, ['a[0].b.c', 'a[1]']);\n * // => [3, 4]\n */\n var at = flatRest(baseAt);\n\n /**\n * Creates an object that inherits from the `prototype` object. If a\n * `properties` object is given, its own enumerable string keyed properties\n * are assigned to the created object.\n *\n * @static\n * @memberOf _\n * @since 2.3.0\n * @category Object\n * @param {Object} prototype The object to inherit from.\n * @param {Object} [properties] The properties to assign to the object.\n * @returns {Object} Returns the new object.\n * @example\n *\n * function Shape() {\n * this.x = 0;\n * this.y = 0;\n * }\n *\n * function Circle() {\n * Shape.call(this);\n * }\n *\n * Circle.prototype = _.create(Shape.prototype, {\n * 'constructor': Circle\n * });\n *\n * var circle = new Circle;\n * circle instanceof Circle;\n * // => true\n *\n * circle instanceof Shape;\n * // => true\n */\n function create(prototype, properties) {\n var result = baseCreate(prototype);\n return properties == null ? result : baseAssign(result, properties);\n }\n\n /**\n * Assigns own and inherited enumerable string keyed properties of source\n * objects to the destination object for all destination properties that\n * resolve to `undefined`. Source objects are applied from left to right.\n * Once a property is set, additional values of the same property are ignored.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaultsDeep\n * @example\n *\n * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n * // => { 'a': 1, 'b': 2 }\n */\n var defaults = baseRest(function(object, sources) {\n object = Object(object);\n\n var index = -1;\n var length = sources.length;\n var guard = length > 2 ? sources[2] : undefined;\n\n if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n length = 1;\n }\n\n while (++index < length) {\n var source = sources[index];\n var props = keysIn(source);\n var propsIndex = -1;\n var propsLength = props.length;\n\n while (++propsIndex < propsLength) {\n var key = props[propsIndex];\n var value = object[key];\n\n if (value === undefined ||\n (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n object[key] = source[key];\n }\n }\n }\n\n return object;\n });\n\n /**\n * This method is like `_.defaults` except that it recursively assigns\n * default properties.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.10.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @see _.defaults\n * @example\n *\n * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n * // => { 'a': { 'b': 2, 'c': 3 } }\n */\n var defaultsDeep = baseRest(function(args) {\n args.push(undefined, customDefaultsMerge);\n return apply(mergeWith, undefined, args);\n });\n\n /**\n * This method is like `_.find` except that it returns the key of the first\n * element `predicate` returns truthy for instead of the element itself.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findKey(users, function(o) { return o.age < 40; });\n * // => 'barney' (iteration order is not guaranteed)\n *\n * // The `_.matches` iteratee shorthand.\n * _.findKey(users, { 'age': 1, 'active': true });\n * // => 'pebbles'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findKey(users, 'active');\n * // => 'barney'\n */\n function findKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n }\n\n /**\n * This method is like `_.findKey` except that it iterates over elements of\n * a collection in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @param {Function} [predicate=_.identity] The function invoked per iteration.\n * @returns {string|undefined} Returns the key of the matched element,\n * else `undefined`.\n * @example\n *\n * var users = {\n * 'barney': { 'age': 36, 'active': true },\n * 'fred': { 'age': 40, 'active': false },\n * 'pebbles': { 'age': 1, 'active': true }\n * };\n *\n * _.findLastKey(users, function(o) { return o.age < 40; });\n * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n *\n * // The `_.matches` iteratee shorthand.\n * _.findLastKey(users, { 'age': 36, 'active': true });\n * // => 'barney'\n *\n * // The `_.matchesProperty` iteratee shorthand.\n * _.findLastKey(users, ['active', false]);\n * // => 'fred'\n *\n * // The `_.property` iteratee shorthand.\n * _.findLastKey(users, 'active');\n * // => 'pebbles'\n */\n function findLastKey(object, predicate) {\n return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n }\n\n /**\n * Iterates over own and inherited enumerable string keyed properties of an\n * object and invokes `iteratee` for each property. The iteratee is invoked\n * with three arguments: (value, key, object). Iteratee functions may exit\n * iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forInRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forIn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n */\n function forIn(object, iteratee) {\n return object == null\n ? object\n : baseFor(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * This method is like `_.forIn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forIn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forInRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n */\n function forInRight(object, iteratee) {\n return object == null\n ? object\n : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n }\n\n /**\n * Iterates over own enumerable string keyed properties of an object and\n * invokes `iteratee` for each property. The iteratee is invoked with three\n * arguments: (value, key, object). Iteratee functions may exit iteration\n * early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 0.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwnRight\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwn(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n */\n function forOwn(object, iteratee) {\n return object && baseForOwn(object, getIteratee(iteratee, 3));\n }\n\n /**\n * This method is like `_.forOwn` except that it iterates over properties of\n * `object` in the opposite order.\n *\n * @static\n * @memberOf _\n * @since 2.0.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns `object`.\n * @see _.forOwn\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.forOwnRight(new Foo, function(value, key) {\n * console.log(key);\n * });\n * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n */\n function forOwnRight(object, iteratee) {\n return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n }\n\n /**\n * Creates an array of function property names from own enumerable properties\n * of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functionsIn\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functions(new Foo);\n * // => ['a', 'b']\n */\n function functions(object) {\n return object == null ? [] : baseFunctions(object, keys(object));\n }\n\n /**\n * Creates an array of function property names from own and inherited\n * enumerable properties of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to inspect.\n * @returns {Array} Returns the function names.\n * @see _.functions\n * @example\n *\n * function Foo() {\n * this.a = _.constant('a');\n * this.b = _.constant('b');\n * }\n *\n * Foo.prototype.c = _.constant('c');\n *\n * _.functionsIn(new Foo);\n * // => ['a', 'b', 'c']\n */\n function functionsIn(object) {\n return object == null ? [] : baseFunctions(object, keysIn(object));\n }\n\n /**\n * Gets the value at `path` of `object`. If the resolved value is\n * `undefined`, the `defaultValue` is returned in its place.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to get.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.get(object, 'a[0].b.c');\n * // => 3\n *\n * _.get(object, ['a', '0', 'b', 'c']);\n * // => 3\n *\n * _.get(object, 'a.b.c', 'default');\n * // => 'default'\n */\n function get(object, path, defaultValue) {\n var result = object == null ? undefined : baseGet(object, path);\n return result === undefined ? defaultValue : result;\n }\n\n /**\n * Checks if `path` is a direct property of `object`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = { 'a': { 'b': 2 } };\n * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.has(object, 'a');\n * // => true\n *\n * _.has(object, 'a.b');\n * // => true\n *\n * _.has(object, ['a', 'b']);\n * // => true\n *\n * _.has(other, 'a');\n * // => false\n */\n function has(object, path) {\n return object != null && hasPath(object, path, baseHas);\n }\n\n /**\n * Checks if `path` is a direct or inherited property of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path to check.\n * @returns {boolean} Returns `true` if `path` exists, else `false`.\n * @example\n *\n * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n *\n * _.hasIn(object, 'a');\n * // => true\n *\n * _.hasIn(object, 'a.b');\n * // => true\n *\n * _.hasIn(object, ['a', 'b']);\n * // => true\n *\n * _.hasIn(object, 'b');\n * // => false\n */\n function hasIn(object, path) {\n return object != null && hasPath(object, path, baseHasIn);\n }\n\n /**\n * Creates an object composed of the inverted keys and values of `object`.\n * If `object` contains duplicate values, subsequent values overwrite\n * property assignments of previous values.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Object\n * @param {Object} object The object to invert.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invert(object);\n * // => { '1': 'c', '2': 'b' }\n */\n var invert = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n result[value] = key;\n }, constant(identity));\n\n /**\n * This method is like `_.invert` except that the inverted object is generated\n * from the results of running each element of `object` thru `iteratee`. The\n * corresponding inverted value of each inverted key is an array of keys\n * responsible for generating the inverted value. The iteratee is invoked\n * with one argument: (value).\n *\n * @static\n * @memberOf _\n * @since 4.1.0\n * @category Object\n * @param {Object} object The object to invert.\n * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n * @returns {Object} Returns the new inverted object.\n * @example\n *\n * var object = { 'a': 1, 'b': 2, 'c': 1 };\n *\n * _.invertBy(object);\n * // => { '1': ['a', 'c'], '2': ['b'] }\n *\n * _.invertBy(object, function(value) {\n * return 'group' + value;\n * });\n * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n */\n var invertBy = createInverter(function(result, value, key) {\n if (value != null &&\n typeof value.toString != 'function') {\n value = nativeObjectToString.call(value);\n }\n\n if (hasOwnProperty.call(result, value)) {\n result[value].push(key);\n } else {\n result[value] = [key];\n }\n }, getIteratee);\n\n /**\n * Invokes the method at `path` of `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the method to invoke.\n * @param {...*} [args] The arguments to invoke the method with.\n * @returns {*} Returns the result of the invoked method.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n *\n * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n * // => [2, 3]\n */\n var invoke = baseRest(baseInvoke);\n\n /**\n * Creates an array of the own enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects. See the\n * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n * for more details.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keys(new Foo);\n * // => ['a', 'b'] (iteration order is not guaranteed)\n *\n * _.keys('hi');\n * // => ['0', '1']\n */\n function keys(object) {\n return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n }\n\n /**\n * Creates an array of the own and inherited enumerable property names of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property names.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.keysIn(new Foo);\n * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n */\n function keysIn(object) {\n return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n }\n\n /**\n * The opposite of `_.mapValues`; this method creates an object with the\n * same values as `object` and keys generated by running each own enumerable\n * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n * with three arguments: (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 3.8.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapValues\n * @example\n *\n * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n * return key + value;\n * });\n * // => { 'a1': 1, 'b2': 2 }\n */\n function mapKeys(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, iteratee(value, key, object), value);\n });\n return result;\n }\n\n /**\n * Creates an object with the same keys as `object` and values generated\n * by running each own enumerable string keyed property of `object` thru\n * `iteratee`. The iteratee is invoked with three arguments:\n * (value, key, object).\n *\n * @static\n * @memberOf _\n * @since 2.4.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @returns {Object} Returns the new mapped object.\n * @see _.mapKeys\n * @example\n *\n * var users = {\n * 'fred': { 'user': 'fred', 'age': 40 },\n * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n * };\n *\n * _.mapValues(users, function(o) { return o.age; });\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n *\n * // The `_.property` iteratee shorthand.\n * _.mapValues(users, 'age');\n * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n */\n function mapValues(object, iteratee) {\n var result = {};\n iteratee = getIteratee(iteratee, 3);\n\n baseForOwn(object, function(value, key, object) {\n baseAssignValue(result, key, iteratee(value, key, object));\n });\n return result;\n }\n\n /**\n * This method is like `_.assign` except that it recursively merges own and\n * inherited enumerable string keyed properties of source objects into the\n * destination object. Source properties that resolve to `undefined` are\n * skipped if a destination value exists. Array and plain object properties\n * are merged recursively. Other objects and value types are overridden by\n * assignment. Source objects are applied from left to right. Subsequent\n * sources overwrite property assignments of previous sources.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 0.5.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} [sources] The source objects.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {\n * 'a': [{ 'b': 2 }, { 'd': 4 }]\n * };\n *\n * var other = {\n * 'a': [{ 'c': 3 }, { 'e': 5 }]\n * };\n *\n * _.merge(object, other);\n * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n */\n var merge = createAssigner(function(object, source, srcIndex) {\n baseMerge(object, source, srcIndex);\n });\n\n /**\n * This method is like `_.merge` except that it accepts `customizer` which\n * is invoked to produce the merged values of the destination and source\n * properties. If `customizer` returns `undefined`, merging is handled by the\n * method instead. The `customizer` is invoked with six arguments:\n * (objValue, srcValue, key, object, source, stack).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The destination object.\n * @param {...Object} sources The source objects.\n * @param {Function} customizer The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * function customizer(objValue, srcValue) {\n * if (_.isArray(objValue)) {\n * return objValue.concat(srcValue);\n * }\n * }\n *\n * var object = { 'a': [1], 'b': [2] };\n * var other = { 'a': [3], 'b': [4] };\n *\n * _.mergeWith(object, other, customizer);\n * // => { 'a': [1, 3], 'b': [2, 4] }\n */\n var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n baseMerge(object, source, srcIndex, customizer);\n });\n\n /**\n * The opposite of `_.pick`; this method creates an object composed of the\n * own and inherited enumerable property paths of `object` that are not omitted.\n *\n * **Note:** This method is considerably slower than `_.pick`.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to omit.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omit(object, ['a', 'c']);\n * // => { 'b': '2' }\n */\n var omit = flatRest(function(object, paths) {\n var result = {};\n if (object == null) {\n return result;\n }\n var isDeep = false;\n paths = arrayMap(paths, function(path) {\n path = castPath(path, object);\n isDeep || (isDeep = path.length > 1);\n return path;\n });\n copyObject(object, getAllKeysIn(object), result);\n if (isDeep) {\n result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n }\n var length = paths.length;\n while (length--) {\n baseUnset(result, paths[length]);\n }\n return result;\n });\n\n /**\n * The opposite of `_.pickBy`; this method creates an object composed of\n * the own and inherited enumerable string keyed properties of `object` that\n * `predicate` doesn't return truthy for. The predicate is invoked with two\n * arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.omitBy(object, _.isNumber);\n * // => { 'b': '2' }\n */\n function omitBy(object, predicate) {\n return pickBy(object, negate(getIteratee(predicate)));\n }\n\n /**\n * Creates an object composed of the picked `object` properties.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The source object.\n * @param {...(string|string[])} [paths] The property paths to pick.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pick(object, ['a', 'c']);\n * // => { 'a': 1, 'c': 3 }\n */\n var pick = flatRest(function(object, paths) {\n return object == null ? {} : basePick(object, paths);\n });\n\n /**\n * Creates an object composed of the `object` properties `predicate` returns\n * truthy for. The predicate is invoked with two arguments: (value, key).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The source object.\n * @param {Function} [predicate=_.identity] The function invoked per property.\n * @returns {Object} Returns the new object.\n * @example\n *\n * var object = { 'a': 1, 'b': '2', 'c': 3 };\n *\n * _.pickBy(object, _.isNumber);\n * // => { 'a': 1, 'c': 3 }\n */\n function pickBy(object, predicate) {\n if (object == null) {\n return {};\n }\n var props = arrayMap(getAllKeysIn(object), function(prop) {\n return [prop];\n });\n predicate = getIteratee(predicate);\n return basePickBy(object, props, function(value, path) {\n return predicate(value, path[0]);\n });\n }\n\n /**\n * This method is like `_.get` except that if the resolved value is a\n * function it's invoked with the `this` binding of its parent object and\n * its result is returned.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @param {Array|string} path The path of the property to resolve.\n * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n * @returns {*} Returns the resolved value.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n *\n * _.result(object, 'a[0].b.c1');\n * // => 3\n *\n * _.result(object, 'a[0].b.c2');\n * // => 4\n *\n * _.result(object, 'a[0].b.c3', 'default');\n * // => 'default'\n *\n * _.result(object, 'a[0].b.c3', _.constant('default'));\n * // => 'default'\n */\n function result(object, path, defaultValue) {\n path = castPath(path, object);\n\n var index = -1,\n length = path.length;\n\n // Ensure the loop is entered when path is empty.\n if (!length) {\n length = 1;\n object = undefined;\n }\n while (++index < length) {\n var value = object == null ? undefined : object[toKey(path[index])];\n if (value === undefined) {\n index = length;\n value = defaultValue;\n }\n object = isFunction(value) ? value.call(object) : value;\n }\n return object;\n }\n\n /**\n * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n * it's created. Arrays are created for missing index properties while objects\n * are created for all other missing properties. Use `_.setWith` to customize\n * `path` creation.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 3.7.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.set(object, 'a[0].b.c', 4);\n * console.log(object.a[0].b.c);\n * // => 4\n *\n * _.set(object, ['x', '0', 'y', 'z'], 5);\n * console.log(object.x[0].y.z);\n * // => 5\n */\n function set(object, path, value) {\n return object == null ? object : baseSet(object, path, value);\n }\n\n /**\n * This method is like `_.set` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {*} value The value to set.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.setWith(object, '[0][1]', 'a', Object);\n * // => { '0': { '1': 'a' } }\n */\n function setWith(object, path, value, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseSet(object, path, value, customizer);\n }\n\n /**\n * Creates an array of own enumerable string keyed-value pairs for `object`\n * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n * entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entries\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairs(new Foo);\n * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n */\n var toPairs = createToPairs(keys);\n\n /**\n * Creates an array of own and inherited enumerable string keyed-value pairs\n * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n * or set, its entries are returned.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @alias entriesIn\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the key-value pairs.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.toPairsIn(new Foo);\n * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n */\n var toPairsIn = createToPairs(keysIn);\n\n /**\n * An alternative to `_.reduce`; this method transforms `object` to a new\n * `accumulator` object which is the result of running each of its own\n * enumerable string keyed properties thru `iteratee`, with each invocation\n * potentially mutating the `accumulator` object. If `accumulator` is not\n * provided, a new object with the same `[[Prototype]]` will be used. The\n * iteratee is invoked with four arguments: (accumulator, value, key, object).\n * Iteratee functions may exit iteration early by explicitly returning `false`.\n *\n * @static\n * @memberOf _\n * @since 1.3.0\n * @category Object\n * @param {Object} object The object to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The custom accumulator value.\n * @returns {*} Returns the accumulated value.\n * @example\n *\n * _.transform([2, 3, 4], function(result, n) {\n * result.push(n *= n);\n * return n % 2 == 0;\n * }, []);\n * // => [4, 9]\n *\n * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n * (result[value] || (result[value] = [])).push(key);\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] }\n */\n function transform(object, iteratee, accumulator) {\n var isArr = isArray(object),\n isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n iteratee = getIteratee(iteratee, 4);\n if (accumulator == null) {\n var Ctor = object && object.constructor;\n if (isArrLike) {\n accumulator = isArr ? new Ctor : [];\n }\n else if (isObject(object)) {\n accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n }\n else {\n accumulator = {};\n }\n }\n (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n return iteratee(accumulator, value, index, object);\n });\n return accumulator;\n }\n\n /**\n * Removes the property at `path` of `object`.\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to unset.\n * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n * _.unset(object, 'a[0].b.c');\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n *\n * _.unset(object, ['a', '0', 'b', 'c']);\n * // => true\n *\n * console.log(object);\n * // => { 'a': [{ 'b': {} }] };\n */\n function unset(object, path) {\n return object == null ? true : baseUnset(object, path);\n }\n\n /**\n * This method is like `_.set` except that accepts `updater` to produce the\n * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n * is invoked with one argument: (value).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n *\n * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n * console.log(object.a[0].b.c);\n * // => 9\n *\n * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n * console.log(object.x[0].y.z);\n * // => 0\n */\n function update(object, path, updater) {\n return object == null ? object : baseUpdate(object, path, castFunction(updater));\n }\n\n /**\n * This method is like `_.update` except that it accepts `customizer` which is\n * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n * path creation is handled by the method instead. The `customizer` is invoked\n * with three arguments: (nsValue, key, nsObject).\n *\n * **Note:** This method mutates `object`.\n *\n * @static\n * @memberOf _\n * @since 4.6.0\n * @category Object\n * @param {Object} object The object to modify.\n * @param {Array|string} path The path of the property to set.\n * @param {Function} updater The function to produce the updated value.\n * @param {Function} [customizer] The function to customize assigned values.\n * @returns {Object} Returns `object`.\n * @example\n *\n * var object = {};\n *\n * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n * // => { '0': { '1': 'a' } }\n */\n function updateWith(object, path, updater, customizer) {\n customizer = typeof customizer == 'function' ? customizer : undefined;\n return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n }\n\n /**\n * Creates an array of the own enumerable string keyed property values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.values(new Foo);\n * // => [1, 2] (iteration order is not guaranteed)\n *\n * _.values('hi');\n * // => ['h', 'i']\n */\n function values(object) {\n return object == null ? [] : baseValues(object, keys(object));\n }\n\n /**\n * Creates an array of the own and inherited enumerable string keyed property\n * values of `object`.\n *\n * **Note:** Non-object values are coerced to objects.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category Object\n * @param {Object} object The object to query.\n * @returns {Array} Returns the array of property values.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * this.b = 2;\n * }\n *\n * Foo.prototype.c = 3;\n *\n * _.valuesIn(new Foo);\n * // => [1, 2, 3] (iteration order is not guaranteed)\n */\n function valuesIn(object) {\n return object == null ? [] : baseValues(object, keysIn(object));\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Clamps `number` within the inclusive `lower` and `upper` bounds.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Number\n * @param {number} number The number to clamp.\n * @param {number} [lower] The lower bound.\n * @param {number} upper The upper bound.\n * @returns {number} Returns the clamped number.\n * @example\n *\n * _.clamp(-10, -5, 5);\n * // => -5\n *\n * _.clamp(10, -5, 5);\n * // => 5\n */\n function clamp(number, lower, upper) {\n if (upper === undefined) {\n upper = lower;\n lower = undefined;\n }\n if (upper !== undefined) {\n upper = toNumber(upper);\n upper = upper === upper ? upper : 0;\n }\n if (lower !== undefined) {\n lower = toNumber(lower);\n lower = lower === lower ? lower : 0;\n }\n return baseClamp(toNumber(number), lower, upper);\n }\n\n /**\n * Checks if `n` is between `start` and up to, but not including, `end`. If\n * `end` is not specified, it's set to `start` with `start` then set to `0`.\n * If `start` is greater than `end` the params are swapped to support\n * negative ranges.\n *\n * @static\n * @memberOf _\n * @since 3.3.0\n * @category Number\n * @param {number} number The number to check.\n * @param {number} [start=0] The start of the range.\n * @param {number} end The end of the range.\n * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n * @see _.range, _.rangeRight\n * @example\n *\n * _.inRange(3, 2, 4);\n * // => true\n *\n * _.inRange(4, 8);\n * // => true\n *\n * _.inRange(4, 2);\n * // => false\n *\n * _.inRange(2, 2);\n * // => false\n *\n * _.inRange(1.2, 2);\n * // => true\n *\n * _.inRange(5.2, 4);\n * // => false\n *\n * _.inRange(-3, -2, -6);\n * // => true\n */\n function inRange(number, start, end) {\n start = toFinite(start);\n if (end === undefined) {\n end = start;\n start = 0;\n } else {\n end = toFinite(end);\n }\n number = toNumber(number);\n return baseInRange(number, start, end);\n }\n\n /**\n * Produces a random number between the inclusive `lower` and `upper` bounds.\n * If only one argument is provided a number between `0` and the given number\n * is returned. If `floating` is `true`, or either `lower` or `upper` are\n * floats, a floating-point number is returned instead of an integer.\n *\n * **Note:** JavaScript follows the IEEE-754 standard for resolving\n * floating-point values which can produce unexpected results.\n *\n * @static\n * @memberOf _\n * @since 0.7.0\n * @category Number\n * @param {number} [lower=0] The lower bound.\n * @param {number} [upper=1] The upper bound.\n * @param {boolean} [floating] Specify returning a floating-point number.\n * @returns {number} Returns the random number.\n * @example\n *\n * _.random(0, 5);\n * // => an integer between 0 and 5\n *\n * _.random(5);\n * // => also an integer between 0 and 5\n *\n * _.random(5, true);\n * // => a floating-point number between 0 and 5\n *\n * _.random(1.2, 5.2);\n * // => a floating-point number between 1.2 and 5.2\n */\n function random(lower, upper, floating) {\n if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n upper = floating = undefined;\n }\n if (floating === undefined) {\n if (typeof upper == 'boolean') {\n floating = upper;\n upper = undefined;\n }\n else if (typeof lower == 'boolean') {\n floating = lower;\n lower = undefined;\n }\n }\n if (lower === undefined && upper === undefined) {\n lower = 0;\n upper = 1;\n }\n else {\n lower = toFinite(lower);\n if (upper === undefined) {\n upper = lower;\n lower = 0;\n } else {\n upper = toFinite(upper);\n }\n }\n if (lower > upper) {\n var temp = lower;\n lower = upper;\n upper = temp;\n }\n if (floating || lower % 1 || upper % 1) {\n var rand = nativeRandom();\n return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n }\n return baseRandom(lower, upper);\n }\n\n /*------------------------------------------------------------------------*/\n\n /**\n * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the camel cased string.\n * @example\n *\n * _.camelCase('Foo Bar');\n * // => 'fooBar'\n *\n * _.camelCase('--foo-bar--');\n * // => 'fooBar'\n *\n * _.camelCase('__FOO_BAR__');\n * // => 'fooBar'\n */\n var camelCase = createCompounder(function(result, word, index) {\n word = word.toLowerCase();\n return result + (index ? capitalize(word) : word);\n });\n\n /**\n * Converts the first character of `string` to upper case and the remaining\n * to lower case.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to capitalize.\n * @returns {string} Returns the capitalized string.\n * @example\n *\n * _.capitalize('FRED');\n * // => 'Fred'\n */\n function capitalize(string) {\n return upperFirst(toString(string).toLowerCase());\n }\n\n /**\n * Deburrs `string` by converting\n * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n * letters to basic Latin letters and removing\n * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to deburr.\n * @returns {string} Returns the deburred string.\n * @example\n *\n * _.deburr('déjà vu');\n * // => 'deja vu'\n */\n function deburr(string) {\n string = toString(string);\n return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n }\n\n /**\n * Checks if `string` ends with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=string.length] The position to search up to.\n * @returns {boolean} Returns `true` if `string` ends with `target`,\n * else `false`.\n * @example\n *\n * _.endsWith('abc', 'c');\n * // => true\n *\n * _.endsWith('abc', 'b');\n * // => false\n *\n * _.endsWith('abc', 'b', 2);\n * // => true\n */\n function endsWith(string, target, position) {\n string = toString(string);\n target = baseToString(target);\n\n var length = string.length;\n position = position === undefined\n ? length\n : baseClamp(toInteger(position), 0, length);\n\n var end = position;\n position -= target.length;\n return position >= 0 && string.slice(position, end) == target;\n }\n\n /**\n * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n * corresponding HTML entities.\n *\n * **Note:** No other characters are escaped. To escape additional\n * characters use a third-party library like [_he_](https://mths.be/he).\n *\n * Though the \">\" character is escaped for symmetry, characters like\n * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n * unless they're part of a tag or unquoted attribute value. See\n * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n * (under \"semi-related fun fact\") for more details.\n *\n * When working with HTML you should always\n * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n * XSS vectors.\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escape('fred, barney, & pebbles');\n * // => 'fred, barney, & pebbles'\n */\n function escape(string) {\n string = toString(string);\n return (string && reHasUnescapedHtml.test(string))\n ? string.replace(reUnescapedHtml, escapeHtmlChar)\n : string;\n }\n\n /**\n * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to escape.\n * @returns {string} Returns the escaped string.\n * @example\n *\n * _.escapeRegExp('[lodash](https://lodash.com/)');\n * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n */\n function escapeRegExp(string) {\n string = toString(string);\n return (string && reHasRegExpChar.test(string))\n ? string.replace(reRegExpChar, '\\\\$&')\n : string;\n }\n\n /**\n * Converts `string` to\n * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the kebab cased string.\n * @example\n *\n * _.kebabCase('Foo Bar');\n * // => 'foo-bar'\n *\n * _.kebabCase('fooBar');\n * // => 'foo-bar'\n *\n * _.kebabCase('__FOO_BAR__');\n * // => 'foo-bar'\n */\n var kebabCase = createCompounder(function(result, word, index) {\n return result + (index ? '-' : '') + word.toLowerCase();\n });\n\n /**\n * Converts `string`, as space separated words, to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the lower cased string.\n * @example\n *\n * _.lowerCase('--Foo-Bar--');\n * // => 'foo bar'\n *\n * _.lowerCase('fooBar');\n * // => 'foo bar'\n *\n * _.lowerCase('__FOO_BAR__');\n * // => 'foo bar'\n */\n var lowerCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + word.toLowerCase();\n });\n\n /**\n * Converts the first character of `string` to lower case.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the converted string.\n * @example\n *\n * _.lowerFirst('Fred');\n * // => 'fred'\n *\n * _.lowerFirst('FRED');\n * // => 'fRED'\n */\n var lowerFirst = createCaseFirst('toLowerCase');\n\n /**\n * Pads `string` on the left and right sides if it's shorter than `length`.\n * Padding characters are truncated if they can't be evenly divided by `length`.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.pad('abc', 8);\n * // => ' abc '\n *\n * _.pad('abc', 8, '_-');\n * // => '_-abc_-_'\n *\n * _.pad('abc', 3);\n * // => 'abc'\n */\n function pad(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n if (!length || strLength >= length) {\n return string;\n }\n var mid = (length - strLength) / 2;\n return (\n createPadding(nativeFloor(mid), chars) +\n string +\n createPadding(nativeCeil(mid), chars)\n );\n }\n\n /**\n * Pads `string` on the right side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padEnd('abc', 6);\n * // => 'abc '\n *\n * _.padEnd('abc', 6, '_-');\n * // => 'abc_-_'\n *\n * _.padEnd('abc', 3);\n * // => 'abc'\n */\n function padEnd(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (string + createPadding(length - strLength, chars))\n : string;\n }\n\n /**\n * Pads `string` on the left side if it's shorter than `length`. Padding\n * characters are truncated if they exceed `length`.\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to pad.\n * @param {number} [length=0] The padding length.\n * @param {string} [chars=' '] The string used as padding.\n * @returns {string} Returns the padded string.\n * @example\n *\n * _.padStart('abc', 6);\n * // => ' abc'\n *\n * _.padStart('abc', 6, '_-');\n * // => '_-_abc'\n *\n * _.padStart('abc', 3);\n * // => 'abc'\n */\n function padStart(string, length, chars) {\n string = toString(string);\n length = toInteger(length);\n\n var strLength = length ? stringSize(string) : 0;\n return (length && strLength < length)\n ? (createPadding(length - strLength, chars) + string)\n : string;\n }\n\n /**\n * Converts `string` to an integer of the specified radix. If `radix` is\n * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n * hexadecimal, in which case a `radix` of `16` is used.\n *\n * **Note:** This method aligns with the\n * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n *\n * @static\n * @memberOf _\n * @since 1.1.0\n * @category String\n * @param {string} string The string to convert.\n * @param {number} [radix=10] The radix to interpret `value` by.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {number} Returns the converted integer.\n * @example\n *\n * _.parseInt('08');\n * // => 8\n *\n * _.map(['6', '08', '10'], _.parseInt);\n * // => [6, 8, 10]\n */\n function parseInt(string, radix, guard) {\n if (guard || radix == null) {\n radix = 0;\n } else if (radix) {\n radix = +radix;\n }\n return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n }\n\n /**\n * Repeats the given string `n` times.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to repeat.\n * @param {number} [n=1] The number of times to repeat the string.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {string} Returns the repeated string.\n * @example\n *\n * _.repeat('*', 3);\n * // => '***'\n *\n * _.repeat('abc', 2);\n * // => 'abcabc'\n *\n * _.repeat('abc', 0);\n * // => ''\n */\n function repeat(string, n, guard) {\n if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n n = 1;\n } else {\n n = toInteger(n);\n }\n return baseRepeat(toString(string), n);\n }\n\n /**\n * Replaces matches for `pattern` in `string` with `replacement`.\n *\n * **Note:** This method is based on\n * [`String#replace`](https://mdn.io/String/replace).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to modify.\n * @param {RegExp|string} pattern The pattern to replace.\n * @param {Function|string} replacement The match replacement.\n * @returns {string} Returns the modified string.\n * @example\n *\n * _.replace('Hi Fred', 'Fred', 'Barney');\n * // => 'Hi Barney'\n */\n function replace() {\n var args = arguments,\n string = toString(args[0]);\n\n return args.length < 3 ? string : string.replace(args[1], args[2]);\n }\n\n /**\n * Converts `string` to\n * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the snake cased string.\n * @example\n *\n * _.snakeCase('Foo Bar');\n * // => 'foo_bar'\n *\n * _.snakeCase('fooBar');\n * // => 'foo_bar'\n *\n * _.snakeCase('--FOO-BAR--');\n * // => 'foo_bar'\n */\n var snakeCase = createCompounder(function(result, word, index) {\n return result + (index ? '_' : '') + word.toLowerCase();\n });\n\n /**\n * Splits `string` by `separator`.\n *\n * **Note:** This method is based on\n * [`String#split`](https://mdn.io/String/split).\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category String\n * @param {string} [string=''] The string to split.\n * @param {RegExp|string} separator The separator pattern to split by.\n * @param {number} [limit] The length to truncate results to.\n * @returns {Array} Returns the string segments.\n * @example\n *\n * _.split('a-b-c', '-', 2);\n * // => ['a', 'b']\n */\n function split(string, separator, limit) {\n if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n separator = limit = undefined;\n }\n limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n if (!limit) {\n return [];\n }\n string = toString(string);\n if (string && (\n typeof separator == 'string' ||\n (separator != null && !isRegExp(separator))\n )) {\n separator = baseToString(separator);\n if (!separator && hasUnicode(string)) {\n return castSlice(stringToArray(string), 0, limit);\n }\n }\n return string.split(separator, limit);\n }\n\n /**\n * Converts `string` to\n * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n *\n * @static\n * @memberOf _\n * @since 3.1.0\n * @category String\n * @param {string} [string=''] The string to convert.\n * @returns {string} Returns the start cased string.\n * @example\n *\n * _.startCase('--foo-bar--');\n * // => 'Foo Bar'\n *\n * _.startCase('fooBar');\n * // => 'Foo Bar'\n *\n * _.startCase('__FOO_BAR__');\n * // => 'FOO BAR'\n */\n var startCase = createCompounder(function(result, word, index) {\n return result + (index ? ' ' : '') + upperFirst(word);\n });\n\n /**\n * Checks if `string` starts with the given target string.\n *\n * @static\n * @memberOf _\n * @since 3.0.0\n * @category String\n * @param {string} [string=''] The string to inspect.\n * @param {string} [target] The string to search for.\n * @param {number} [position=0] The position to search from.\n * @returns {boolean} Returns `true` if `string` starts with `target`,\n * else `false`.\n * @example\n *\n * _.startsWith('abc', 'a');\n * // => true\n *\n * _.startsWith('abc', 'b');\n * // => false\n *\n * _.startsWith('abc', 'b', 1);\n * // => true\n */\n function startsWith(string, target, position) {\n string = toString(string);\n position = position == null\n ? 0\n : baseClamp(toInteger(position), 0, string.length);\n\n target = baseToString(target);\n return string.slice(position, position + target.length) == target;\n }\n\n /**\n * Creates a compiled template function that can interpolate data properties\n * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n * properties may be accessed as free variables in the template. If a setting\n * object is given, it takes precedence over `_.templateSettings` values.\n *\n * **Note:** In the development build `_.template` utilizes\n * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n * for easier debugging.\n *\n * For more information on precompiling templates see\n * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n *\n * For more information on Chrome extension sandboxes see\n * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n *\n * @static\n * @since 0.1.0\n * @memberOf _\n * @category String\n * @param {string} [string=''] The template string.\n * @param {Object} [options={}] The options object.\n * @param {RegExp} [options.escape=_.templateSettings.escape]\n * The HTML \"escape\" delimiter.\n * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n * The \"evaluate\" delimiter.\n * @param {Object} [options.imports=_.templateSettings.imports]\n * An object to import into the template as free variables.\n * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n * The \"interpolate\" delimiter.\n * @param {string} [options.sourceURL='lodash.templateSources[n]']\n * The sourceURL of the compiled template.\n * @param {string} [options.variable='obj']\n * The data object variable name.\n * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n * @returns {Function} Returns the compiled template function.\n * @example\n *\n * // Use the \"interpolate\" delimiter to create a compiled template.\n * var compiled = _.template('hello <%= user %>!');\n * compiled({ 'user': 'fred' });\n * // => 'hello fred!'\n *\n * // Use the HTML \"escape\" delimiter to escape data property values.\n * var compiled = _.template('<%- value %>');\n * compiled({ 'value': '