import path from 'node:path'; import { fileURLToPath } from 'node:url'; import typescriptEslint from '@typescript-eslint/eslint-plugin'; import tsParser from '@typescript-eslint/parser'; import { fixupConfigRules, fixupPluginRules } from '@eslint/compat'; import { FlatCompat } from '@eslint/eslintrc'; import js from '@eslint/js'; import _import from 'eslint-plugin-import'; const __filename = fileURLToPath(import.meta.url); const __dirname = path.dirname(__filename); const compat = new FlatCompat({ baseDirectory: __dirname, recommendedConfig: js.configs.recommended, allConfig: js.configs.all, }); const jsRules = { 'indent': ['warn', 'tab', { 'SwitchCase': 1, 'MemberExpression': 1, 'flatTernaryExpressions': true, 'ArrayExpression': 'first', 'ObjectExpression': 'first', }], 'eol-last': ['error', 'always'], 'semi': ['error', 'always'], 'semi-spacing': ['error', { 'before': false, 'after': true }], 'quotes': ['warn', 'single'], 'comma-dangle': ['warn', 'always-multiline'], 'comma-spacing': ['error', { 'before': false, 'after': true }], 'array-bracket-spacing': ['error', 'never'], 'keyword-spacing': ['error', { 'before': true, 'after': true, }], 'key-spacing': ['error', { 'beforeColon': false, 'afterColon': true, }], 'arrow-spacing': ['error', { 'before': true, 'after': true, }], 'brace-style': ['error', '1tbs', { 'allowSingleLine': true, }], 'padded-blocks': ['error', 'never'], /* TODO: If you do not use path alias, a warning will be issued. 'no-restricted-imports': ['warn', { 'patterns': [ ], }], */ 'eqeqeq': ['error', 'always', { 'null': 'ignore' }], 'no-multi-spaces': ['error'], 'no-var': ['error'], 'prefer-arrow-callback': ['error'], 'no-throw-literal': ['error'], 'no-param-reassign': ['warn'], 'no-constant-condition': ['warn'], 'no-empty-pattern': ['warn'], 'no-async-promise-executor': ['off'], 'no-useless-escape': ['off'], 'no-multiple-empty-lines': ['error', { 'max': 1 }], 'no-control-regex': ['warn'], 'no-empty': ['warn'], 'no-inner-declarations': ['off'], 'no-sparse-arrays': ['off'], 'nonblock-statement-body-position': ['error', 'beside'], 'object-curly-spacing': ['error', 'always'], 'space-infix-ops': ['error'], 'space-before-blocks': ['error', 'always'], 'padding-line-between-statements': [ 'error', { 'blankLine': 'always', 'prev': 'function', 'next': '*' }, { 'blankLine': 'always', 'prev': '*', 'next': 'function' }, ], 'lines-between-class-members': 'off', 'import/no-unresolved': ['off'], 'import/no-default-export': ['warn'], 'import/order': ['warn', { 'groups': ['builtin', 'external', 'internal', 'parent', 'sibling', 'index', 'object', 'type'], }], }; const tsRules = { /* It seems that typescript-eslint does not support enforce. '@typescript-eslint/lines-between-class-members': ['error', { enforce: [{ blankLine: 'always', prev: 'method', next: '*', }], }], */ '@typescript-eslint/func-call-spacing': ['error', 'never'], '@typescript-eslint/no-explicit-any': ['warn'], '@typescript-eslint/no-unused-vars': ['warn'], '@typescript-eslint/no-unnecessary-condition': ['warn'], '@typescript-eslint/no-var-requires': ['warn'], '@typescript-eslint/no-inferrable-types': ['warn'], '@typescript-eslint/no-empty-function': ['off'], '@typescript-eslint/no-non-null-assertion': ['warn'], '@typescript-eslint/explicit-function-return-type': ['off'], '@typescript-eslint/no-misused-promises': ['error', { 'checksVoidReturn': false, }], '@typescript-eslint/consistent-type-imports': 'off', '@typescript-eslint/prefer-nullish-coalescing': [ 'warn', ], '@typescript-eslint/naming-convention': [ 'error', { 'selector': 'typeLike', 'format': ['PascalCase'], }, { 'selector': 'typeParameter', 'format': [], }, ], }; export default [ ...fixupConfigRules(compat.extends( 'eslint:recommended', 'plugin:@typescript-eslint/recommended', // TODO: When enabled, when you import in a .ts file // parserPath or languageOptions.parser is required! // This will appear, so disable the following: // 'plugin:import/recommended', 'plugin:import/typescript', )), { files: ['**/*.js', '**/*.cjs', '**/*.mjs', '**/*.jsx'], plugins: { import: fixupPluginRules(_import), }, settings: { /** @see https://github.com/import-js/eslint-plugin-import/issues/2556#issuecomment-1419518561 */ 'import/parsers': { '@typescript-eslint/parser': ['.js', '.cjs', '.mjs', '.jsx'], }, }, rules: { ...jsRules, }, }, { files: ['**/*.ts', '**/*.tsx'], plugins: { '@typescript-eslint': fixupPluginRules(typescriptEslint), import: fixupPluginRules(_import), }, languageOptions: { parser: tsParser, }, settings: { 'import/parsers': { '@typescript-eslint/parser': ['.ts', '.tsx'], }, }, rules: { ...jsRules, ...tsRules, }, }, ];