module.exports = { root: true, extends: [ 'eslint:recommended', 'plugin:import/typescript', 'plugin:compat/recommended', ], env: { browser: true, node: true, es6: true, jest: true, }, globals: { ATTACHMENT_HOST: false, }, parser: 'babel-eslint', plugins: [ 'react', 'jsdoc', 'jsx-a11y', 'import', 'promise', 'react-hooks', '@typescript-eslint', ], parserOptions: { sourceType: 'module', ecmaFeatures: { experimentalObjectRestSpread: true, jsx: true, }, ecmaVersion: 2018, }, settings: { react: { version: 'detect', }, 'import/extensions': ['.js', '.jsx', '.ts', '.tsx'], 'import/ignore': [ 'node_modules', '\\.(css|scss|json)$', ], 'import/resolver': { node: { paths: ['app'], }, }, polyfills: [ 'es:all', 'fetch', 'IntersectionObserver', 'Promise', 'URL', 'URLSearchParams', ], }, rules: { 'brace-style': 'error', 'comma-dangle': ['error', 'always-multiline'], 'comma-spacing': [ 'warn', { before: false, after: true, }, ], 'comma-style': ['warn', 'last'], 'space-before-function-paren': ['error', 'never'], 'space-infix-ops': 'error', 'space-in-parens': ['error', 'never'], 'keyword-spacing': 'error', 'dot-notation': 'error', eqeqeq: 'error', indent: ['error', 2, { SwitchCase: 1, // https://stackoverflow.com/a/53055584/8811886 ignoredNodes: ['TemplateLiteral'], }], 'jsx-quotes': ['error', 'prefer-single'], 'key-spacing': [ 'error', { mode: 'minimum' }, ], 'no-catch-shadow': 'error', 'no-cond-assign': 'error', 'no-console': [ 'warn', { allow: [ 'error', 'warn', ], }, ], 'no-extra-semi': 'error', 'no-const-assign': 'error', 'no-fallthrough': 'error', 'no-irregular-whitespace': 'error', 'no-loop-func': 'error', 'no-mixed-spaces-and-tabs': 'error', 'no-nested-ternary': 'warn', 'no-restricted-imports': ['error', { patterns: [{ group: ['react-inlinesvg'], message: 'Use the SvgIcon component instead.', }], }], 'no-trailing-spaces': 'warn', 'no-undef': 'error', 'no-unreachable': 'error', 'no-unused-expressions': 'error', 'no-unused-vars': 'off', '@typescript-eslint/no-unused-vars': [ 'error', { vars: 'all', args: 'none', ignoreRestSiblings: true, }, ], 'no-useless-escape': 'warn', 'no-var': 'error', 'object-curly-spacing': ['error', 'always'], 'padded-blocks': [ 'error', { classes: 'always', }, ], 'prefer-const': 'error', quotes: ['error', 'single'], semi: 'error', 'space-unary-ops': [ 'error', { words: true, nonwords: false, }, ], strict: 'off', 'valid-typeof': 'error', 'react/jsx-boolean-value': 'error', 'react/jsx-closing-bracket-location': ['error', 'line-aligned'], 'react/jsx-curly-spacing': 'error', 'react/jsx-equals-spacing': 'error', 'react/jsx-first-prop-new-line': ['error', 'multiline-multiprop'], 'react/jsx-indent': ['error', 2], // 'react/jsx-no-bind': ['error'], 'react/jsx-no-comment-textnodes': 'error', 'react/jsx-no-duplicate-props': 'error', 'react/jsx-no-undef': 'error', 'react/jsx-tag-spacing': 'error', 'react/jsx-uses-react': 'error', 'react/jsx-uses-vars': 'error', 'react/jsx-wrap-multilines': 'error', 'react/no-multi-comp': 'off', 'react/no-string-refs': 'error', 'react/self-closing-comp': 'error', 'jsx-a11y/accessible-emoji': 'warn', 'jsx-a11y/alt-text': 'warn', 'jsx-a11y/anchor-has-content': 'warn', 'jsx-a11y/anchor-is-valid': [ 'warn', { components: [ 'Link', 'NavLink', ], specialLink: [ 'to', ], aspect: [ 'noHref', 'invalidHref', 'preferButton', ], }, ], 'jsx-a11y/aria-activedescendant-has-tabindex': 'warn', 'jsx-a11y/aria-props': 'warn', 'jsx-a11y/aria-proptypes': 'warn', 'jsx-a11y/aria-role': 'warn', 'jsx-a11y/aria-unsupported-elements': 'warn', 'jsx-a11y/heading-has-content': 'warn', 'jsx-a11y/html-has-lang': 'warn', 'jsx-a11y/iframe-has-title': 'warn', 'jsx-a11y/img-redundant-alt': 'warn', 'jsx-a11y/interactive-supports-focus': 'warn', 'jsx-a11y/label-has-for': 'off', 'jsx-a11y/mouse-events-have-key-events': 'warn', 'jsx-a11y/no-access-key': 'warn', 'jsx-a11y/no-distracting-elements': 'warn', 'jsx-a11y/no-noninteractive-element-interactions': [ 'warn', { handlers: [ 'onClick', ], }, ], 'jsx-a11y/no-onchange': 'warn', 'jsx-a11y/no-redundant-roles': 'warn', 'jsx-a11y/no-static-element-interactions': [ 'warn', { handlers: [ 'onClick', ], }, ], 'jsx-a11y/role-has-required-aria-props': 'warn', 'jsx-a11y/role-supports-aria-props': 'off', 'jsx-a11y/scope': 'warn', 'jsx-a11y/tabindex-no-positive': 'warn', 'import/extensions': [ 'error', 'always', { js: 'never', mjs: 'ignorePackages', jsx: 'never', ts: 'never', tsx: 'never', }, ], 'import/newline-after-import': 'error', 'import/no-extraneous-dependencies': [ 'error', // { // devDependencies: [ // 'webpack/**', // 'app/soapbox/test_setup.js', // 'app/soapbox/test_helpers.js', // 'app/**/__tests__/**', // 'app/**/__mocks__/**', // ], // }, ], 'import/no-unresolved': 'error', 'import/no-webpack-loader-syntax': 'error', 'import/order': [ 'error', { groups: [ 'builtin', 'external', 'internal', 'parent', 'sibling', 'index', 'object', 'type', ], 'newlines-between': 'always', alphabetize: { order: 'asc' }, }, ], '@typescript-eslint/no-duplicate-imports': 'error', 'promise/catch-or-return': 'error', 'react-hooks/rules-of-hooks': 'error', }, overrides: [ { files: ['**/*.ts', '**/*.tsx'], rules: { 'no-undef': 'off', // https://stackoverflow.com/a/69155899 }, parser: '@typescript-eslint/parser', }, { // Only enforce JSDoc comments on UI components for now. // https://www.npmjs.com/package/eslint-plugin-jsdoc files: ['app/soapbox/components/ui/**/*'], rules: { 'jsdoc/require-jsdoc': ['error', { publicOnly: true, require: { ArrowFunctionExpression: true, ClassDeclaration: true, ClassExpression: true, FunctionDeclaration: true, FunctionExpression: true, MethodDefinition: true, }, }], }, }, ], };