.eslintrc.json

{
	"env": {
		"browser": true,
		"es2021": true,
		"jest": true
	},

	"parserOptions": {
		"ecmaVersion": 12,
		"sourceType": "module"
	},

	"plugins": [
		"compat",
		"import",
		"jest",
		"jsx-a11y",
		"node",
		"promise",
		"standard"
	],

	"rules": {
		"for-direction": "off",
		"getter-return": "off",
		"no-await-in-loop": "off",
		"no-compare-neg-zero": "error",
		"no-cond-assign": "error",
		"no-console": "warn",
		"no-constant-condition": ["error", { "checkLoops": false }],
		"no-control-regex": "error",
		"no-debugger": "error",
		"no-dupe-args": "error",
		"no-dupe-keys": "error",
		"no-duplicate-case": "error",
		"no-empty": "error",
		"no-empty-character-class": "error",
		"no-ex-assign": "error",
		"no-extra-boolean-cast": "error",
		"no-extra-parens": ["error", "functions"],
		"no-extra-semi": "error",
		"no-func-assign": "error",
		"no-inner-declarations": ["error", "functions"],
		"no-invalid-regexp": "error",
		"no-irregular-whitespace": "error",
		"no-prototype-builtins": "off",
		"no-regex-spaces": "error",
		"no-sparse-arrays": "error",
		"no-template-curly-in-string": "error",
		"no-unexpected-multiline": "error",
		"no-unreachable": "error",
		"no-unsafe-finally": "error",
		"no-unsafe-negation": "error",
		"use-isnan": "error",
		"valid-jsdoc": "off",
		"valid-typeof": ["error", { "requireStringLiterals": true }],

		"accessor-pairs": "error",
		"array-callback-return": "error",
		"blocked-scoped-var": "off",
		"class-methods-use-this": ["error", {
		"exceptMethods": [
			"componentDidMount",
			"componentDidUpdate",
			"componentWillMount",
			"componentWillReceiveProps",
			"componentWillUnmount",
			"componentWillUpdate",
			"getChildContext",
			"getDefaultProps",
			"getInitialState",
			"render",
			"shouldComponentUpdate"
		]
		}],
		"complexity": "off",
		"consistent-return": "warn",
		"curly": ["error", "all"],
		"default-case": "error",
		"dot-location": ["error", "property"],
		"dot-notation": "error",
		"eqeqeq": ["error", "always"],
		"guard-for-in": "off",
		"no-alert": "off",
		"no-caller": "error",
		"no-case-declarations": "error",
		"no-div-regex": "off",
		"no-else-return": "error",
		"no-empty-function": "error",
		"no-empty-pattern": "error",
		"no-eq-null": "off",
		"no-eval": "error",
		"no-extend-native": "error",
		"no-extra-bind": "error",
		"no-extra-label": "off",
		"no-fallthrough": "error",
		"no-floating-decimal": "error",
		"no-global-assign": "error",
		"no-implicit-coercion": "error",
		"no-implicit-globals": "error",
		"no-implied-eval": "error",
		"no-invalid-this": "off",
		"no-iterator": "error",
		"no-labels": ["error", { "allowLoop": false, "allowSwitch": false }],
		"no-lone-blocks": "error",
		"no-loop-func": "off",
		"no-magic-numbers": "off",
		"no-multi-spaces": "error",
		"no-multi-str": "error",
		"no-new": "error",
		"no-new-func": "error",
		"no-new-wrappers": "error",
		"no-octal": "error",
		"no-octal-escape": "error",
		"no-param-reassign": "off",
		"no-proto": "error",
		"no-redeclare": "error",
		"no-restricted-properties": "off",
		"no-return-assign": ["error", "except-parens"],
		"no-return-await": "error",
		"no-script-url": "off",
		"no-self-assign": "error",
		"no-self-compare": "error",
		"no-sequences": "error",
		"no-throw-literal": "error",
		"no-unmodified-loop-condition": "error",
		"no-unused-expressions": ["error", { "allowShortCircuit": true, "allowTernary": true, "allowTaggedTemplates": true }],
		"no-unused-labels": "off",
		"no-useless-call": "error",
		"no-useless-concat": "off",
		"no-useless-escape": "error",
		"no-useless-return": "error",
		"no-void": "off",
		"no-warning-comments": "off",
		"no-with": "error",
		"prefer-promise-reject-errors": "error",
		"quote-props": ["error", "as-needed"],
		"radix": "off",
		"require-await": "off",
		"vars-on-top": "off",
		"wrap-iife": ["error", "any", { "functionPrototypeMethods": true }],
		"yoda": ["error", "never"],

		"strict": "off",

		"init-declarations": "off",
		"no-catch-shadow": "off",
		"no-delete-var": "error",
		"no-label-var": "error",
		"no-restricted-globals": "off",
		"no-shadow-restricted-names": "error",
		"no-undef": "error",
		"no-undef-init": "error",
		"no-undefined": "off",
		"no-unused-vars": ["error", { "vars": "all", "args": "none", "ignoreRestSiblings": true }],
		"no-use-before-define": ["error", { "functions": false, "classes": false, "variables": false }],

		"callback-return": "off",
		"global-require": "off",
		"handle-callback-err": ["error", "^(err|error)$" ],
		"no-buffer-constructor": "off",
		"no-mixed-requires": "off",
		"no-new-require": "error",
		"no-path-concat": "error",
		"no-process-env": "off",
		"no-process-exit": "off",
		"no-restricted-modules": "off",
		"no-sync": "off",

		"arrow-body-style": ["error", "as-needed"],
		"arrow-parens": ["error", "always"],
		"arrow-spacing": ["error", { "before": true, "after": true }],
		"constructor-super": "error",
		"generator-star-spacing": ["error", { "before": true, "after": true }],
		"no-class-assign": "error",
		"no-confusing-arrow": "off",
		"no-const-assign": "error",
		"no-dupe-class-members": "error",
		"no-duplicate-imports": "error",
		"no-nested-ternary": "error",
		"no-new-symbol": "error",
		"no-restricted-imports": "off",
		"no-this-before-super": "error",
		"no-useless-computed-key": "off",
		"no-useless-constructor": "error",
		"no-useless-rename": "error",
		"no-var": "error",
		"object-curly-newline": ["error", { "consistent": true }],
		"object-curly-spacing": ["error", "always"],
		"object-shorthand": ["error", "always"],
		"prefer-arrow-callback": "error",
		"prefer-const": "error",
		"prefer-destructuring": ["error", {"object": true, "array": true}],
		"prefer-numeric-literals": "off",
		"prefer-rest-params": "error",
		"prefer-spread": "warn",
		"prefer-template": "error",
		"require-yield": "error",
		"rest-spread-spacing": ["error", "never"],
		"sort-imports": "off",
		"symbol-description": "error",
		"template-curly-spacing": ["error", "never"],
		"yield-star-spacing": ["error", "both"],

		"array-bracket-spacing": ["error", "never"],
		"block-spacing": ["error", "always"],
		"brace-style": ["error", "1tbs", { "allowSingleLine": true }],
		"camelcase": ["error", { "properties": "never" }],
		"comma-dangle": [2, "always-multiline"],
		"comma-spacing": ["error", { "before": false, "after": true }],
		"comma-style": ["error", "last"],
		"eol-last": "error",
		"func-call-spacing": ["error", "never"],
		"indent": ["error", "tab", { "SwitchCase": 1 }],
		"jsx-quotes": ["error", "prefer-double"],
		"key-spacing": ["error", { "beforeColon": false, "afterColon": true }],
		"keyword-spacing": ["error", { "before": true, "after": true }],
		"new-cap": ["error", { "newIsCap": true, "capIsNew": false }],
		"new-parens": "error",
		"no-mixed-operators": ["error", {
		"groups": [
			["==", "!=", "===", "!==", ">", ">=", "<", "<="],
			["&&", "||"],
			["in", "instanceof"]
		],
		"allowSamePrecedence": true
		}],
		"no-mixed-spaces-and-tabs": "error",
		"no-multiple-empty-lines": ["error", { "max": 1, "maxEOF": 0 }],
		"no-negated-in-lhs": "error",
		"no-new-object": "error",
		"no-obj-calls": "error",
		"no-tabs": "off",
		"no-trailing-spaces": "error",
		"no-unneeded-ternary": ["error", { "defaultAssignment": false }],
		"no-whitespace-before-property": "error",
		"object-property-newline": ["error", { "allowMultiplePropertiesPerLine": true }],
		"one-var": ["error", { "initialized": "never" }],
		"operator-linebreak": ["error", "after", { "overrides": { "?": "before", ":": "before" } }],
		"padded-blocks": ["error", { "blocks": "never", "switches": "never", "classes": "never" }],
		"quotes": ["error", "double", { "avoidEscape": true, "allowTemplateLiterals": true }],
		"semi": ["error", "always"],
		"semi-spacing": ["error", { "before": false, "after": true }],
		"space-before-blocks": ["error", "always"],
		"space-before-function-paren": ["error", "always"],
		"space-in-parens": ["error", "never"],
		"space-infix-ops": "error",
		"space-unary-ops": ["error", { "words": true, "nonwords": false }],
		"spaced-comment": ["error", "always", {
		"line": { "markers": ["*package", "!", "/", ",", "="] },
		"block": { "balanced": true, "markers": ["*package", "!", ",", ":", "::"], "exceptions": ["*"] }
		}],
		"template-tag-spacing": ["error", "never"],
		"unicode-bom": ["error", "never"],

		"compat/compat": "error",

		"import/export": "error",
		"import/first": "error",
		"import/order": [
		"error", {
			"groups": [
			"builtin",
			"external",
			"parent",
			"sibling",
			"index"
			]
		}
		],
		"import/no-duplicates": "error",
		"import/no-webpack-loader-syntax": "error",

		"node/no-deprecated-api": "error",
		"node/process-exit-as-throw": "error",

		"promise/param-names": "error",

		"standard/computed-property-even-spacing": ["error", "even"],
		"standard/no-callback-literal": "error",
		"standard/object-curly-even-spacing": ["error", "either"],

		"jsx-a11y/accessible-emoji": "error",
		"jsx-a11y/alt-text": "error",
		"jsx-a11y/anchor-has-content": "error",
		"jsx-a11y/anchor-is-valid": "error",
		"jsx-a11y/aria-activedescendant-has-tabindex": "error",
		"jsx-a11y/aria-props": "error",
		"jsx-a11y/aria-proptypes": "error",
		"jsx-a11y/aria-role": "error",
		"jsx-a11y/aria-unsupported-elements": "error",
		"jsx-a11y/click-events-have-key-events": "error",
		"jsx-a11y/heading-has-content": "error",
		"jsx-a11y/html-has-lang": "error",
		"jsx-a11y/iframe-has-title": "error",
		"jsx-a11y/img-redundant-alt": "error",
		"jsx-a11y/interactive-supports-focus": "error",
		"jsx-a11y/label-has-for": ["error", {
		"components": [ "Label" ],
		"required": {
			"every": [ "nesting", "id" ]
		},
		"allowChildren": true
		}],
		"jsx-a11y/media-has-caption": "error",
		"jsx-a11y/mouse-events-have-key-events": "error",
		"jsx-a11y/no-access-key": "error",
		"jsx-a11y/no-autofocus": "error",
		"jsx-a11y/no-distracting-elements": "error",
		"jsx-a11y/no-interactive-element-to-noninteractive-role": "error",
		"jsx-a11y/no-noninteractive-element-interactions": "error",
		"jsx-a11y/no-noninteractive-element-to-interactive-role": "error",
		"jsx-a11y/no-noninteractive-tabindex": "error",
		"jsx-a11y/no-onchange": "error",
		"jsx-a11y/no-redundant-roles": "error",
		"jsx-a11y/no-static-element-interactions": "error",
		"jsx-a11y/role-has-required-aria-props": "error",
		"jsx-a11y/role-supports-aria-props": "error",
		"jsx-a11y/scope": "error",
		"jsx-a11y/tabindex-no-positive": "error",

		"jest/consistent-test-it": [
		"error",
		{ "fn": "it" }
		],
		"jest/no-alias-methods": "warn",
		"jest/no-commented-out-tests": "error",
		"jest/no-disabled-tests": "error",
		"jest/no-duplicate-hooks": "error",
		"jest/no-export": "error",
		"jest/no-focused-tests": "error",
		"jest/no-identical-title": "error",
		"jest/no-jasmine-globals": "error",
		"jest/no-mocks-import": "error",
		"jest/no-test-prefixes": "error",
		"jest/no-standalone-expect": "error",
		"jest/no-test-return-statement": "error",
		"jest/no-conditional-expect": "error",
		"jest/prefer-called-with": "warn",
		"jest/prefer-expect-resolves": "error",
		"jest/prefer-to-be": "error",
		"jest/prefer-to-contain": "error",
		"jest/prefer-to-have-length": "warn",
		"jest/valid-describe-callback": "error",
		"jest/valid-expect": "error",
		"jest/valid-expect-in-promise": "error",
		"jest/valid-title": "error"
	}
}