import tseslint from 'typescript-eslint'; import path from 'node:path'; import { fileURLToPath } from 'node:url'; // plugins import regexpEslint from 'eslint-plugin-regexp'; const typescriptEslint = tseslint.plugin; // parsers const typescriptParser = tseslint.parser; const __filename = fileURLToPath(import.meta.url); const __dirname = path.dirname(__filename); /** @type {import('eslint').Linter.Config[]} */ export default [ { files: ["src/*.{js,mjs,cjs,ts}"] }, // { languageOptions: { globals: globals.browser } }, ...tseslint.configs.recommendedTypeChecked, ...tseslint.configs.stylisticTypeChecked, regexpEslint.configs['flat/recommended'], { languageOptions: { parser: typescriptParser, parserOptions: { project: ['./packages/*/tsconfig.json', './tsconfig.eslint.json'], tsconfigRootDir: __dirname, }, }, plugins: { '@typescript-eslint': typescriptEslint, regexp: regexpEslint, }, rules: { // These off/configured-differently-by-default rules fit well for us '@typescript-eslint/switch-exhaustiveness-check': 'error', '@typescript-eslint/no-shadow': 'off', 'no-console': 'off', '@typescript-eslint/no-unsafe-enum-comparison' : 'off', '@typescript-eslint/no-empty-object-type': 'off', // Todo: do we want these? 'no-var': 'off', 'regexp/prefer-regexp-exec': 'off', '@typescript-eslint/no-duplicate-enum-values': 'off', '@typescript-eslint/no-unsafe-function-type': 'off', '@typescript-eslint/prefer-for-of': 'off', '@typescript-eslint/no-unused-vars': 'off', '@typescript-eslint/array-type': 'off', '@typescript-eslint/ban-ts-comment': 'off', '@typescript-eslint/class-literal-property-style': 'off', '@typescript-eslint/consistent-indexed-object-style': 'off', '@typescript-eslint/consistent-type-definitions': 'off', '@typescript-eslint/dot-notation': 'off', '@typescript-eslint/no-base-to-string': 'off', '@typescript-eslint/no-empty-function': 'off', '@typescript-eslint/no-floating-promises': 'off', '@typescript-eslint/no-misused-promises': 'off', '@typescript-eslint/no-redundant-type-constituents': 'off', '@typescript-eslint/no-this-alias': 'off', '@typescript-eslint/no-unsafe-argument': 'off', '@typescript-eslint/no-unsafe-assignment': 'off', '@typescript-eslint/no-unsafe-call': 'off', '@typescript-eslint/no-unsafe-member-access': 'off', '@typescript-eslint/no-unused-expressions': 'off', '@typescript-eslint/only-throw-error': 'off', '@typescript-eslint/no-unsafe-return': 'off', '@typescript-eslint/no-unnecessary-type-assertion': 'off', '@typescript-eslint/prefer-nullish-coalescing': 'off', '@typescript-eslint/prefer-optional-chain': 'off', '@typescript-eslint/prefer-promise-reject-errors': 'off', '@typescript-eslint/prefer-string-starts-ends-with': 'off', '@typescript-eslint/require-await': 'off', '@typescript-eslint/restrict-plus-operands': 'off', '@typescript-eslint/restrict-template-expressions': 'off', '@typescript-eslint/sort-type-constituents': 'off', '@typescript-eslint/unbound-method': 'off', '@typescript-eslint/no-explicit-any': 'off', // Used by Biome '@typescript-eslint/consistent-type-imports': 'off', // These rules enabled by the preset configs don't work well for us '@typescript-eslint/await-thenable': 'off', 'prefer-const': 'off', // In some cases, using explicit letter-casing is more performant than the `i` flag 'regexp/use-ignore-case': 'off', 'regexp/prefer-regexp-exec': 'warn', 'regexp/prefer-regexp-test': 'warn', 'no-control-regex': 'off' } } ]