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mastodon/.eslintrc.js
2023-05-31 23:43:39 +02:00

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JavaScript

module.exports = {
root: true,
extends: [
'eslint:recommended',
'plugin:react/recommended',
'plugin:react-hooks/recommended',
'plugin:jsx-a11y/recommended',
'plugin:import/recommended',
'plugin:promise/recommended',
'plugin:jsdoc/recommended',
'plugin:prettier/recommended',
],
env: {
browser: true,
node: true,
es6: true,
},
globals: {
ATTACHMENT_HOST: false,
},
parser: '@typescript-eslint/parser',
plugins: [
'react',
'jsx-a11y',
'import',
'promise',
'@typescript-eslint',
'formatjs',
],
parserOptions: {
sourceType: 'module',
ecmaFeatures: {
jsx: true,
},
ecmaVersion: 2021,
requireConfigFile: false,
babelOptions: {
configFile: false,
presets: ['@babel/react', '@babel/env'],
},
},
settings: {
react: {
version: 'detect',
},
'import/ignore': [
'node_modules',
'\\.(css|scss|json)$',
],
'import/resolver': {
typescript: {},
},
},
rules: {
'consistent-return': 'error',
'dot-notation': 'error',
eqeqeq: ['error', 'always', { 'null': 'ignore' }],
'jsx-quotes': ['error', 'prefer-single'],
'no-case-declarations': 'off',
'no-catch-shadow': 'error',
'no-console': [
'warn',
{
allow: [
'error',
'warn',
],
},
],
'no-empty': 'off',
'no-restricted-properties': [
'error',
{ property: 'substring', message: 'Use .slice instead of .substring.' },
{ property: 'substr', message: 'Use .slice instead of .substr.' },
],
'no-self-assign': 'off',
'no-unused-expressions': 'error',
'no-unused-vars': 'off',
'@typescript-eslint/no-unused-vars': [
'error',
{
vars: 'all',
args: 'after-used',
destructuredArrayIgnorePattern: '^_',
ignoreRestSiblings: true,
},
],
'valid-typeof': 'error',
'react/jsx-filename-extension': ['error', { extensions: ['.jsx', 'tsx'] }],
'react/jsx-boolean-value': 'error',
'react/display-name': 'off',
'react/jsx-fragments': ['error', 'syntax'],
'react/jsx-equals-spacing': 'error',
'react/jsx-no-bind': 'error',
'react/jsx-no-useless-fragment': 'error',
'react/jsx-no-target-blank': 'off',
'react/jsx-tag-spacing': 'error',
'react/jsx-uses-react': 'off', // not needed with new JSX transform
'react/jsx-wrap-multilines': 'error',
'react/no-deprecated': 'off',
'react/no-unknown-property': 'off',
'react/react-in-jsx-scope': 'off', // not needed with new JSX transform
'react/self-closing-comp': 'error',
// recommended values found in https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/blob/main/src/index.js
'jsx-a11y/accessible-emoji': 'warn',
'jsx-a11y/click-events-have-key-events': 'off',
'jsx-a11y/label-has-associated-control': 'off',
'jsx-a11y/media-has-caption': 'off',
'jsx-a11y/no-autofocus': 'off',
// recommended rule is:
// 'jsx-a11y/no-interactive-element-to-noninteractive-role': [
// 'error',
// {
// tr: ['none', 'presentation'],
// canvas: ['img'],
// },
// ],
'jsx-a11y/no-interactive-element-to-noninteractive-role': 'off',
// recommended rule is:
// 'jsx-a11y/no-noninteractive-element-interactions': [
// 'error',
// {
// body: ['onError', 'onLoad'],
// iframe: ['onError', 'onLoad'],
// img: ['onError', 'onLoad'],
// },
// ],
'jsx-a11y/no-noninteractive-element-interactions': [
'warn',
{
handlers: [
'onClick',
],
},
],
// recommended rule is:
// 'jsx-a11y/no-noninteractive-tabindex': [
// 'error',
// {
// tags: [],
// roles: ['tabpanel'],
// allowExpressionValues: true,
// },
// ],
'jsx-a11y/no-noninteractive-tabindex': 'off',
'jsx-a11y/no-onchange': 'warn',
// recommended is full 'error'
'jsx-a11y/no-static-element-interactions': [
'warn',
{
handlers: [
'onClick',
],
},
],
// See https://github.com/import-js/eslint-plugin-import/blob/main/config/recommended.js
'import/extensions': [
'error',
'always',
{
js: 'never',
jsx: 'never',
mjs: 'never',
ts: 'never',
tsx: 'never',
},
],
'import/first': 'error',
'import/newline-after-import': 'error',
'import/no-anonymous-default-export': 'error',
'import/no-extraneous-dependencies': [
'error',
{
devDependencies: [
'config/webpack/**',
'app/javascript/mastodon/performance.js',
'app/javascript/mastodon/test_setup.js',
'app/javascript/**/__tests__/**',
],
},
],
'import/no-amd': 'error',
'import/no-commonjs': 'error',
'import/no-import-module-exports': 'error',
'import/no-relative-packages': 'error',
'import/no-self-import': 'error',
'import/no-useless-path-segments': 'error',
'import/no-webpack-loader-syntax': 'error',
'import/order': [
'error',
{
alphabetize: { order: 'asc' },
'newlines-between': 'always',
groups: [
'builtin',
'external',
'internal',
'parent',
['index', 'sibling'],
'object',
],
pathGroups: [
// React core packages
{
pattern: '{react,react-dom,react-dom/client,prop-types}',
group: 'builtin',
position: 'after',
},
// I18n
{
pattern: '{react-intl,intl-messageformat}',
group: 'builtin',
position: 'after',
},
// Common React utilities
{
pattern: '{classnames,react-helmet,react-router-dom}',
group: 'external',
position: 'before',
},
// Immutable / Redux / data store
{
pattern: '{immutable,react-redux,react-immutable-proptypes,react-immutable-pure-component,reselect}',
group: 'external',
position: 'before',
},
// Internal packages
{
pattern: '{mastodon/**}',
group: 'internal',
position: 'after',
},
],
pathGroupsExcludedImportTypes: [],
},
],
'promise/always-return': 'off',
'promise/catch-or-return': [
'error',
{
allowFinally: true,
},
],
'promise/no-callback-in-promise': 'off',
'promise/no-nesting': 'off',
'promise/no-promise-in-callback': 'off',
'formatjs/blocklist-elements': 'error',
'formatjs/enforce-default-message': ['error', 'literal'],
'formatjs/enforce-description': 'off', // description values not currently used
'formatjs/enforce-id': 'off', // Explicit IDs are used in the project
'formatjs/enforce-placeholders': 'off', // Issues in short_number.jsx
'formatjs/enforce-plural-rules': 'error',
'formatjs/no-camel-case': 'off', // disabledAccount is only non-conforming
'formatjs/no-complex-selectors': 'error',
'formatjs/no-emoji': 'error',
'formatjs/no-id': 'off', // IDs are used for translation keys
'formatjs/no-invalid-icu': 'error',
'formatjs/no-literal-string-in-jsx': 'off', // Should be looked at, but mainly flagging punctuation outside of strings
'formatjs/no-multiple-plurals': 'off', // Only used by hashtag.jsx
'formatjs/no-multiple-whitespaces': 'error',
'formatjs/no-offset': 'error',
'formatjs/no-useless-message': 'error',
'formatjs/prefer-formatted-message': 'error',
'formatjs/prefer-pound-in-plural': 'error',
'jsdoc/check-types': 'off',
'jsdoc/no-undefined-types': 'off',
'jsdoc/require-jsdoc': 'off',
'jsdoc/require-param-description': 'off',
'jsdoc/require-property-description': 'off',
'jsdoc/require-returns-description': 'off',
'jsdoc/require-returns': 'off',
},
overrides: [
{
files: [
'*.config.js',
'.*rc.js',
'ide-helper.js',
'config/webpack/**/*',
'config/formatjs-formatter.js',
],
env: {
commonjs: true,
},
parserOptions: {
sourceType: 'script',
},
rules: {
'import/no-commonjs': 'off',
},
},
{
files: [
'**/*.ts',
'**/*.tsx',
],
extends: [
'eslint:recommended',
'plugin:@typescript-eslint/recommended',
'plugin:@typescript-eslint/recommended-requiring-type-checking',
'plugin:react/recommended',
'plugin:react-hooks/recommended',
'plugin:jsx-a11y/recommended',
'plugin:import/recommended',
'plugin:import/typescript',
'plugin:promise/recommended',
'plugin:jsdoc/recommended-typescript',
'plugin:prettier/recommended',
],
parserOptions: {
project: './tsconfig.json',
tsconfigRootDir: __dirname,
},
rules: {
'import/consistent-type-specifier-style': ['error', 'prefer-top-level'],
'@typescript-eslint/consistent-type-definitions': ['warn', 'interface'],
'@typescript-eslint/consistent-type-exports': 'error',
'@typescript-eslint/consistent-type-imports': 'error',
'jsdoc/require-jsdoc': 'off',
// Those rules set stricter rules for TS files
// to enforce better practices when converting from JS
'import/no-default-export': 'warn',
'react/prefer-stateless-function': 'warn',
'react/function-component-definition': ['error', { namedComponents: 'arrow-function' }],
'react/jsx-uses-react': 'off', // not needed with new JSX transform
'react/react-in-jsx-scope': 'off', // not needed with new JSX transform
'react/prop-types': 'off',
},
},
{
files: [
'**/__tests__/*.js',
'**/__tests__/*.jsx',
],
env: {
jest: true,
},
},
{
files: [
'streaming/**/*',
],
rules: {
'import/no-commonjs': 'off',
},
},
],
};