.eslintrc

{
	"extends": [
		// https://github.com/eslint/eslint/blob/master/conf/eslint-recommended.js#L13-L71
		"eslint:recommended",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/src/configs/recommended.ts#L6-L33
		"plugin:@typescript-eslint/recommended",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/src/configs/recommended-requiring-type-checking.ts#L6-L25
		"plugin:@typescript-eslint/recommended-requiring-type-checking",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/config/recommended.js#L6-L27
		"plugin:import/recommended",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/config/typescript.js#L9-L27
		"plugin:import/typescript",
		// https://github.com/jest-community/eslint-plugin-jest#rules
		"plugin:jest/recommended",
		// https://github.com/jest-community/eslint-plugin-jest#rules
		"plugin:jest/style",
		// https://github.com/prettier/eslint-plugin-prettier/blob/master/eslint-plugin-prettier.js#L92-L100
		"plugin:prettier/recommended"
	],
	// Some @typescript-eslint rules need it
	"parserOptions": {
		"project": "tsconfig.json"
	},
	"root": true,
	"rules": {
		// https://eslint.org/docs/rules/consistent-return
		"consistent-return": "error",
		// https://eslint.org/docs/rules/default-case-last
		"default-case-last": "error",
		// https://eslint.org/docs/rules/default-case
		"default-case": "error",
		// Handled by @typescript-eslint/default-param-last
		// https://eslint.org/docs/rules/default-param-last
		"default-param-last": "off",
		// Handled by @typescript-eslint/dot-notation
		// https://eslint.org/docs/rules/dot-notation
		"dot-notation": "off",
		// https://eslint.org/docs/rules/eqeqeq
		"eqeqeq": "error",
		// https://eslint.org/docs/rules/id-denylist
		"id-denylist": ["error", "err"],
		// https://eslint.org/docs/rules/line-comment-position
		"line-comment-position": [
			"error",
			{ "position": "above", "ignorePattern": "(Prefix|Suffix) (=|!)==" }
		],
		// https://eslint.org/docs/rules/no-alert
		"no-alert": "error",
		// https://eslint.org/docs/rules/no-console
		"no-console": ["error", { "allow": ["error"] }],
		// https://eslint.org/docs/rules/no-implicit-coercion
		"no-implicit-coercion": "error",
		// https://eslint.org/docs/rules/no-new-wrappers
		"no-new-wrappers": "error",
		// https://eslint.org/docs/rules/no-param-reassign
		"no-param-reassign": "error",
		// https://eslint.org/docs/rules/no-plusplus
		"no-plusplus": "error",
		// https://eslint.org/docs/rules/no-restricted-imports
		"no-restricted-imports": [
			"error",
			{
				"name": "lodash",
				"message": "Please use `import <package> from \"lodash/<package>\";` instead."
			}
		],
		// https://eslint.org/docs/rules/no-return-assign
		"no-return-assign": "error",
		// Handled by @typescript-eslint/return-await
		// https://eslint.org/docs/rules/no-return-await
		"no-return-await": "off",
		// https://eslint.org/docs/rules/no-self-compare
		"no-self-compare": "error",
		// https://eslint.org/docs/rules/no-unneeded-ternary
		"no-unneeded-ternary": "error",
		// Handled by @typescript-eslint/no-unused-expressions
		// https://eslint.org/docs/rules/no-unused-expressions
		"no-unused-expressions": "off",
		// https://eslint.org/docs/rules/no-useless-computed-key
		"no-useless-computed-key": "error",
		// https://eslint.org/docs/rules/no-useless-concat
		"no-useless-concat": "error",
		// https://eslint.org/docs/rules/no-useless-rename
		"no-useless-rename": "error",
		// https://eslint.org/docs/rules/no-useless-return
		"no-useless-return": "error",
		// https://eslint.org/docs/rules/object-shorthand
		"object-shorthand": "error",
		// https://eslint.org/docs/rules/one-var
		"one-var": ["error", "never"],
		// https://eslint.org/docs/rules/operator-assignment
		"operator-assignment": ["error", "always"],
		// https://eslint.org/docs/rules/prefer-arrow-callback
		"prefer-arrow-callback": "error",
		// https://eslint.org/docs/rules/prefer-destructuring
		"prefer-destructuring": "error",
		// https://eslint.org/docs/rules/prefer-named-capture-group
		"prefer-named-capture-group": "error",
		// https://eslint.org/docs/rules/prefer-promise-reject-errors
		"prefer-promise-reject-errors": "error",
		// https://eslint.org/docs/rules/prefer-template
		"prefer-template": "error",
		// https://eslint.org/docs/rules/radix
		"radix": "error",
		// https://eslint.org/docs/rules/sort-imports
		"sort-imports": [
			"error",
			{
				"ignoreCase": false,
				"ignoreDeclarationSort": true,
				"ignoreMemberSort": false
			}
		],
		// https://eslint.org/docs/rules/yoda
		"yoda": ["error", "never"],

		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/array-type.md
		"@typescript-eslint/array-type": ["error", { "default": "array-simple" }],
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/consistent-indexed-object-style.md
		"@typescript-eslint/consistent-indexed-object-style": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/consistent-type-assertions.md
		"@typescript-eslint/consistent-type-assertions": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/consistent-type-definitions.md
		"@typescript-eslint/consistent-type-definitions": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/consistent-type-imports.md
		"@typescript-eslint/consistent-type-imports": [
			"error",
			{ "prefer": "no-type-imports" }
		],
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/default-param-last.md
		"@typescript-eslint/default-param-last": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/dot-notation.md
		"@typescript-eslint/dot-notation": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/explicit-function-return-type.md
		"@typescript-eslint/explicit-function-return-type": [
			"error",
			{ "allowExpressions": true }
		],
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/method-signature-style.md
		"@typescript-eslint/method-signature-style": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-confusing-non-null-assertion.md
		"@typescript-eslint/no-confusing-non-null-assertion": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-implicit-any-catch.md
		"@typescript-eslint/no-implicit-any-catch": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-invalid-void-type.md
		"@typescript-eslint/no-invalid-void-type": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unnecessary-condition.md
		"@typescript-eslint/no-unnecessary-condition": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unnecessary-type-arguments.md
		"@typescript-eslint/no-unnecessary-type-arguments": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unnecessary-type-constraint.md
		"@typescript-eslint/no-unnecessary-type-constraint": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unused-expressions.md
		"@typescript-eslint/no-unused-expressions": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/prefer-reduce-type-parameter.md
		"@typescript-eslint/prefer-reduce-type-parameter": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/prefer-string-starts-ends-with.md
		"@typescript-eslint/prefer-string-starts-ends-with": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/return-await.md
		"@typescript-eslint/return-await": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/strict-boolean-expressions.md
		"@typescript-eslint/strict-boolean-expressions": "error",
		// https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/unified-signatures.md
		"@typescript-eslint/unified-signatures": "error",

		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/exports-last.md
		"import/exports-last": "error",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/first.md
		"import/first": "error",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/group-exports.md
		"import/group-exports": "error",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/newline-after-import.md
		"import/newline-after-import": "error",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-absolute-path.md
		"import/no-absolute-path": "error",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-anonymous-default-export.md
		"import/no-anonymous-default-export": "error",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-mutable-exports.md
		"import/no-mutable-exports": "error",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-self-import.md
		"import/no-self-import": "error",
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-useless-path-segments.md
		"import/no-useless-path-segments": ["error", { "noUselessIndex": true }],
		// https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/order.md
		"import/order": [
			"error",
			{
				"alphabetize": { "order": "asc", "caseInsensitive": false },
				"groups": [
					"builtin",
					"external",
					"internal",
					["parent", "sibling", "index"],
					"object",
					"type",
					"unknown"
				],
				"newlines-between": "always",
				"warnOnUnassignedImports": true
			}
		],

		// https://github.com/jest-community/eslint-plugin-jest/blob/main/docs/rules/consistent-test-it.md
		"jest/consistent-test-it": ["error", { "withinDescribe": "test" }],
		// https://github.com/jest-community/eslint-plugin-jest/blob/main/docs/rules/no-duplicate-hooks.md
		"jest/no-duplicate-hooks": "error",
		// https://github.com/jest-community/eslint-plugin-jest/blob/main/docs/rules/prefer-hooks-on-top.md
		"jest/prefer-hooks-on-top": "error",
		// https://github.com/jest-community/eslint-plugin-jest/blob/main/docs/rules/prefer-spy-on.md
		"jest/prefer-spy-on": "error",
		// https://github.com/jest-community/eslint-plugin-jest/blob/main/docs/rules/prefer-strict-equal.md
		"jest/prefer-strict-equal": "error",
		// https://github.com/jest-community/eslint-plugin-jest/blob/main/docs/rules/require-to-throw-message.md
		"jest/require-to-throw-message": "error"
	},
	"settings": {
		// https://github.com/benmosher/eslint-plugin-import/issues/1582#issuecomment-568951354
		"import/resolver": {
			"node": {
				"moduleDirectory": ["node_modules", "src"]
			}
		}
	}
}