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eslint-flat-config-airbnb

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A mostly reasonable approach to JavaScript and React using Airbnb's ESLint config, updated for ESLint 9+

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import reactPlugin from 'eslint-plugin-react'; import stylistic from '@stylistic/eslint-plugin'; const reactCore = { plugins: { react: reactPlugin, '@stylistic': stylistic, }, languageOptions: { parserOptions: { ecmaFeatures: { jsx: true }, }, }, settings: { 'import/resolver': { node: { extensions: ['.js', '.jsx', '.json'], }, }, react: { pragma: 'React', version: 'detect', }, propWrapperFunctions: [ 'forbidExtraProps', 'exact', 'Object.freeze', ], }, rules: { '@stylistic/jsx-quotes': ['error', 'prefer-double'], 'class-methods-use-this': ['error', { exceptMethods: [ 'render', 'getInitialState', 'getDefaultProps', 'getChildContext', 'componentWillMount', 'UNSAFE_componentWillMount', 'componentDidMount', 'componentWillReceiveProps', 'UNSAFE_componentWillReceiveProps', 'shouldComponentUpdate', 'componentWillUpdate', 'UNSAFE_componentWillUpdate', 'componentDidUpdate', 'componentWillUnmount', 'componentDidCatch', 'getSnapshotBeforeUpdate', ], }], 'react/checked-requires-onchange-or-readonly': ['off', { ignoreMissingProperties: false, ignoreExclusiveCheckedAttribute: false, }], 'react/display-name': ['off', { ignoreTranspilerName: false }], 'react/forbid-prop-types': ['error', { forbid: ['any', 'array', 'object'], checkContextTypes: true, checkChildContextTypes: true, }], 'react/forbid-dom-props': ['off', { forbid: [] }], 'react/jsx-boolean-value': ['error', 'never', { always: [] }], 'react/jsx-closing-bracket-location': ['error', 'line-aligned'], 'react/jsx-closing-tag-location': 'error', 'react/jsx-curly-spacing': ['error', 'never', { allowMultiline: true }], 'react/jsx-handler-names': ['off', { eventHandlerPrefix: 'handle', eventHandlerPropPrefix: 'on', }], 'react/jsx-indent-props': ['error', 2], 'react/jsx-key': 'off', 'react/jsx-max-props-per-line': ['error', { maximum: 1, when: 'multiline' }], 'react/jsx-no-bind': ['error', { ignoreRefs: true, allowArrowFunctions: true, allowFunctions: false, allowBind: false, ignoreDOMComponents: true, }], 'react/jsx-no-duplicate-props': ['error', { ignoreCase: true }], 'react/jsx-no-literals': ['off', { noStrings: true }], 'react/jsx-no-undef': 'error', 'react/jsx-pascal-case': ['error', { allowAllCaps: true, ignore: [], }], 'react/sort-prop-types': ['off', { ignoreCase: true, callbacksLast: false, requiredFirst: false, sortShapeProp: true, }], 'react/jsx-sort-prop-types': 'off', 'react/jsx-sort-props': ['off', { ignoreCase: true, callbacksLast: false, shorthandFirst: false, shorthandLast: false, noSortAlphabetically: false, reservedFirst: true, }], 'react/jsx-uses-react': ['error'], 'react/jsx-uses-vars': 'error', 'react/no-danger': 'warn', 'react/no-deprecated': ['error'], 'react/no-did-mount-set-state': 'off', 'react/no-did-update-set-state': 'error', 'react/no-will-update-set-state': 'error', 'react/no-direct-mutation-state': 'off', 'react/no-is-mounted': 'error', 'react/no-multi-comp': 'off', 'react/no-set-state': 'off', 'react/no-string-refs': 'error', 'react/no-unknown-property': 'error', 'react/prefer-es6-class': ['error', 'always'], 'react/prefer-stateless-function': ['error', { ignorePureComponents: true }], 'react/prop-types': ['error', { ignore: [], customValidators: [], skipUndeclared: false, }], 'react/react-in-jsx-scope': 'error', 'react/require-render-return': 'error', 'react/self-closing-comp': 'error', 'react/sort-comp': ['error', { order: [ 'static-variables', 'static-methods', 'instance-variables', 'lifecycle', '/^handle.+$/', '/^on.+$/', 'getters', 'setters', '/^(get|set)(?!(InitialState$|DefaultProps$|ChildContext$)).+$/', 'instance-methods', 'everything-else', 'rendering', ], groups: { lifecycle: [ 'displayName', 'propTypes', 'contextTypes', 'childContextTypes', 'mixins', 'statics', 'defaultProps', 'constructor', 'getDefaultProps', 'getInitialState', 'state', 'getChildContext', 'getDerivedStateFromProps', 'componentWillMount', 'UNSAFE_componentWillMount', 'componentDidMount', 'componentWillReceiveProps', 'UNSAFE_componentWillReceiveProps', 'shouldComponentUpdate', 'componentWillUpdate', 'UNSAFE_componentWillUpdate', 'getSnapshotBeforeUpdate', 'componentDidUpdate', 'componentDidCatch', 'componentWillUnmount', ], rendering: [ '/^render.+$/', 'render', ], }, }], 'react/jsx-wrap-multilines': ['error', { declaration: 'parens-new-line', assignment: 'parens-new-line', return: 'parens-new-line', arrow: 'parens-new-line', condition: 'parens-new-line', logical: 'parens-new-line', prop: 'parens-new-line', }], 'react/jsx-first-prop-new-line': ['error', 'multiline-multiprop'], 'react/jsx-equals-spacing': ['error', 'never'], 'react/jsx-indent': ['error', 2], 'react/jsx-no-target-blank': ['error', { enforceDynamicLinks: 'always' }], 'react/jsx-filename-extension': ['error', { extensions: ['.jsx'] }], 'react/jsx-no-comment-textnodes': 'error', 'react/no-render-return-value': 'error', 'react/require-optimization': ['off', { allowDecorators: [] }], 'react/no-find-dom-node': 'error', 'react/forbid-component-props': ['off', { forbid: [] }], 'react/forbid-elements': ['off', { forbid: [] }], 'react/no-danger-with-children': 'error', 'react/no-unused-prop-types': ['error', { customValidators: [ ], skipShapeProps: true, }], 'react/style-prop-object': 'error', 'react/no-unescaped-entities': 'error', 'react/no-children-prop': 'error', 'react/jsx-tag-spacing': ['error', { closingSlash: 'never', beforeSelfClosing: 'always', afterOpening: 'never', beforeClosing: 'never', }], 'react/no-array-index-key': 'error', 'react/require-default-props': ['error', { forbidDefaultForRequired: true, }], 'react/forbid-foreign-prop-types': ['warn', { allowInPropTypes: true }], 'react/void-dom-elements-no-children': 'error', 'react/default-props-match-prop-types': ['error', { allowRequiredDefaults: false }], 'react/no-redundant-should-component-update': 'error', 'react/no-unused-state': 'error', 'react/boolean-prop-naming': ['off', { propTypeNames: ['bool', 'mutuallyExclusiveTrueProps'], rule: '^(is|has)[A-Z]([A-Za-z0-9]?)+', message: '', }], 'react/no-typos': 'error', 'react/jsx-curly-brace-presence': ['error', { props: 'never', children: 'never' }], 'react/jsx-one-expression-per-line': ['error', { allow: 'single-child' }], 'react/destructuring-assignment': ['error', 'always'], 'react/no-access-state-in-setstate': 'error', 'react/button-has-type': ['error', { button: true, submit: true, reset: false, }], 'react/jsx-child-element-spacing': 'off', 'react/no-this-in-sfc': 'error', 'react/jsx-max-depth': 'off', 'react/jsx-props-no-multi-spaces': 'error', 'react/no-unsafe': 'off', 'react/jsx-fragments': ['error', 'syntax'], 'react/jsx-curly-newline': ['error', { multiline: 'consistent', singleline: 'consistent', }], 'react/state-in-constructor': ['error', 'always'], 'react/static-property-placement': ['error', 'property assignment'], 'react/jsx-props-no-spreading': ['error', { html: 'enforce', custom: 'enforce', explicitSpread: 'ignore', exceptions: [], }], 'react/prefer-read-only-props': 'off', 'react/jsx-no-script-url': ['error', [ { name: 'Link', props: ['to'], }, ]], 'react/jsx-no-useless-fragment': 'error', 'react/no-adjacent-inline-elements': 'off', 'react/function-component-definition': ['error', { namedComponents: ['function-declaration', 'function-expression'], unnamedComponents: 'function-expression', }], 'react/jsx-newline': 'off', 'react/jsx-no-constructed-context-values': 'error', 'react/no-unstable-nested-components': 'error', 'react/no-namespace': 'error', 'react/prefer-exact-props': 'error', 'react/no-arrow-function-lifecycle': 'error', 'react/no-invalid-html-attribute': 'error', 'react/no-unused-class-component-methods': 'error', 'react/hook-use-state': 'off', 'react/iframe-missing-sandbox': 'off', 'react/jsx-no-leaked-render': 'off', 'react/no-object-type-as-default-prop': 'off', 'react/sort-default-props': ['off', { ignoreCase: false, }], 'react/forward-ref-uses-ref': 'off', 'react/jsx-props-no-spread-multi': 'off', }, }; export default reactCore;