Init commit

.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.eslintrc

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+{
+  "extends": "@logux/eslint-config/browser",
+  "rules": {
+    "node/no-unpublished-require": "off",
+    "es5/no-es6-static-methods": "off",
+    "node/no-missing-require": "off",
+    "func-style": "off"
+  }
+}

.gitignore

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+node_modules/
+npm-debug.log
+yarn-error.log
+
+api.md

.npmignore

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+.editorconfig
+
+node_modules/
+npm-debug.log
+yarn-error.log
+yarn.lock
+
+api.md

CHANGELOG.md

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+# Change Log
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## 0.1
+* Initial release.

LICENSE

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+The MIT License (MIT)
+
+Copyright 2019 Ivan Menshykov <[email protected]>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# storeon-cross-tab
+
+<img src="https://storeon.github.io/storeon/logo.svg" align="right"
+     alt="Storeon logo by Anton Lovchikov" width="160" height="142">
+
+## LICENSE
+
+MIT

index.js

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+/**
+ * Storeon module to update state at different browser tabs
+ * @param {Object} config The config object
+ * @param {String} [config.key = 'storeon-crosstab'] The default key
+ * @param {Boolean} [config.skipInit = true] Skip init event
+ * @return {Function} Storeon callback module
+ */
+var crossTab = function (config) {
+  config = config || {}
+
+  var key = config.key || 'storeon-crosstab'
+  var skipInit = config.skipInit || true
+
+  return function (store) {
+    store.on('crosstab', function (_, state) {
+      return state
+    })
+
+    store.on('@changed', function (state, event) {
+      if (skipInit) return skipInit = false
+
+      try {
+        localStorage.setItem(key, JSON.stringify(state))
+      } catch (e) {}
+    })
+
+    window.addEventListener('storage', function (event) {
+      store.dispatch('crosstab', JSON.parse(event.newValue))
+    })
+  }
+}
+
+module.exports = crossTab

package.json

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+{
+  "name": "cross-tab",
+  "version": "0.1.0",
+  "description": "Module for storeon to update data at different browser tabs",
+  "main": "index.js",
+  "author": "Ivan Solovev <[email protected]>",
+  "license": "MIT",
+  "scripts": {
+    "clean": "rimraf api.md",
+    "lint": "eslint *.js",
+    "spell": "yarn docs && yaspeller *.md",
+    "docs": "documentation build *.js -f md -o api.md",
+    "test": "yarn lint && size-limit && yarn spell"
+  },
+  "devDependencies": {
+    "@logux/eslint-config": "^28.2.1",
+    "clean-publish": "^1.1.2",
+    "documentation": "^11.0.0",
+    "eslint": "^5.16.0",
+    "eslint-config-standard": "^12.0.0",
+    "eslint-plugin-es5": "^1.3.1",
+    "eslint-plugin-import": "^2.17.2",
+    "eslint-plugin-import-helpers": "^0.1.4",
+    "eslint-plugin-jest": "^22.5.1",
+    "eslint-plugin-node": "^9.0.1",
+    "eslint-plugin-prefer-let": "^1.0.1",
+    "eslint-plugin-promise": "^4.1.1",
+    "eslint-plugin-security": "^1.4.0",
+    "eslint-plugin-standard": "^4.0.0",
+    "husky": "^2.2.0",
+    "lint-staged": "^8.1.6",
+    "rimraf": "^2.6.3",
+    "size-limit": "^1.3.1",
+    "storeon": "^0.8.2",
+    "yaspeller": "^5.1.0"
+  },
+  "size-limit": [
+    {
+      "path": "index.js",
+      "limit": "100 B"
+    }
+  ],
+  "lint-staged": {
+    "*.md": "yaspeller",
+    "*.js": "eslint"
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
+  "yaspeller": {
+    "lang": "en",
+    "ignoreCapitalization": true,
+    "dictionary": [
+      "storeon",
+      "versioning"
+    ]
+  }
+}