import type { Linter } from 'eslint'; import js from '@eslint/js'; import pluginUnusedImports from 'eslint-plugin-unused-imports'; import globals from 'globals'; const rulesCoveredByOxlint = new Set([ 'constructor-super', 'for-direction', 'getter-return', 'no-async-promise-executor', 'no-case-declarations', 'no-class-assign', 'no-compare-neg-zero', 'no-cond-assign', 'no-const-assign', 'no-constant-binary-expression', 'no-constant-condition', 'no-debugger', 'no-delete-var', 'no-dupe-args', 'no-dupe-class-members', 'no-dupe-else-if', 'no-dupe-keys', 'no-duplicate-case', 'no-empty', 'no-empty-character-class', 'no-empty-pattern', 'no-empty-static-block', 'no-ex-assign', 'no-extra-boolean-cast', 'no-fallthrough', 'no-func-assign', 'no-global-assign', 'no-import-assign', 'no-invalid-regexp', 'no-irregular-whitespace', 'no-loss-of-precision', 'no-misleading-character-class', 'no-new-native-nonconstructor', 'no-nonoctal-decimal-escape', 'no-obj-calls', 'no-prototype-builtins', 'no-redeclare', 'no-regex-spaces', 'no-self-assign', 'no-setter-return', 'no-shadow-restricted-names', 'no-sparse-arrays', 'no-this-before-super', 'no-unreachable', 'no-unsafe-finally', 'no-unsafe-negation', 'no-unsafe-optional-chaining', 'no-unused-labels', 'no-unused-private-class-members', 'no-unused-vars', 'no-useless-backreference', 'no-useless-catch', 'no-useless-escape', 'no-with', 'require-yield', 'use-isnan', 'valid-typeof', ]); export async function javascript(): Promise { const recommendedRules = Object.fromEntries( Object.entries(js.configs.recommended.rules).filter( ([ruleName]) => !rulesCoveredByOxlint.has(ruleName), ), ); return [ { languageOptions: { ecmaVersion: 'latest', globals: { ...globals.browser, ...globals.es2021, ...globals.node, document: 'readonly', navigator: 'readonly', window: 'readonly', }, parserOptions: { ecmaFeatures: { jsx: true, }, ecmaVersion: 'latest', sourceType: 'module', }, sourceType: 'module', }, linterOptions: { reportUnusedDisableDirectives: true, }, plugins: { 'unused-imports': pluginUnusedImports, }, rules: { ...recommendedRules, 'dot-notation': ['error', { allowKeywords: true }], 'keyword-spacing': 'off', 'no-control-regex': 'error', 'no-empty-function': 'off', 'no-octal': 'error', 'no-octal-escape': 'error', 'no-restricted-properties': [ 'error', { message: 'Use `Object.getPrototypeOf` or `Object.setPrototypeOf` instead.', property: '__proto__', }, { message: 'Use `Object.defineProperty` instead.', property: '__defineGetter__', }, { message: 'Use `Object.defineProperty` instead.', property: '__defineSetter__', }, { message: 'Use `Object.getOwnPropertyDescriptor` instead.', property: '__lookupGetter__', }, { message: 'Use `Object.getOwnPropertyDescriptor` instead.', property: '__lookupSetter__', }, ], 'no-restricted-syntax': [ 'error', 'DebuggerStatement', 'LabeledStatement', 'WithStatement', 'TSEnumDeclaration[const=true]', 'TSExportAssignment', ], 'no-undef-init': 'error', 'no-undef': 'off', 'no-unreachable-loop': 'error', 'object-shorthand': [ 'error', 'always', { avoidQuotes: true, ignoreConstructors: false, }, ], 'one-var': ['error', { initialized: 'never' }], 'prefer-arrow-callback': [ 'error', { allowNamedFunctions: false, allowUnboundThis: true, }, ], 'prefer-regex-literals': [ 'error', { disallowRedundantWrapping: true, }, ], 'spaced-comment': 'error', 'space-before-function-paren': 'off', 'unused-imports/no-unused-imports': 'error', 'unused-imports/no-unused-vars': [ 'error', { args: 'after-used', argsIgnorePattern: '^_', vars: 'all', varsIgnorePattern: '^_', }, ], }, }, ]; }