/** * @license * Copyright 2025 Google LLC * SPDX-License-Identifier: Apache-2.0 */ import eslint from '@eslint/js'; import tseslint from 'typescript-eslint'; import reactPlugin from 'eslint-plugin-react'; import reactRecommended from 'eslint-plugin-react/configs/recommended.js'; import reactHooks from 'eslint-plugin-react-hooks'; import prettierConfig from 'eslint-config-prettier'; import importPlugin from 'eslint-plugin-import'; import globals from 'globals'; export default tseslint.config( { // Global ignores ignores: [ 'node_modules/**', 'eslint.config.js', 'packages/cli/dist/**', 'packages/server/dist/**', ], }, eslint.configs.recommended, ...tseslint.configs.recommended, { // React specific config files: ['packages/cli/src/**/*.tsx'], // Target only TSX in the cli package languageOptions: { // Keep languageOptions from reactRecommended if needed, or define explicitly parserOptions: { ecmaFeatures: { jsx: true }, }, globals: { ...globals.browser, }, }, plugins: { // Define the plugins used in this block react: reactPlugin, 'react-hooks': reactHooks, }, rules: { // Apply recommended rules explicitly ...reactRecommended.rules, ...reactHooks.configs.recommended.rules, // Custom overrides 'react/react-in-jsx-scope': 'off', 'react/prop-types': 'off', }, settings: { react: { version: 'detect', }, }, }, { // Import specific config files: ['packages/cli/src/**/*.{ts,tsx}'], // Target only TS/TSX in the cli package plugins: { import: importPlugin, }, settings: { 'import/resolver': { node: true, }, }, rules: { ...importPlugin.configs.recommended.rules, ...importPlugin.configs.typescript.rules, 'import/no-default-export': 'warn', 'import/no-unresolved': 'off', // Disable for now, can be noisy with monorepos/paths }, }, { // General overrides and rules for the project (TS/TSX files) files: ['packages/cli/src/**/*.{ts,tsx}'], // Target only TS/TSX in the cli package languageOptions: { globals: { ...globals.node, ...globals.es2021, }, }, rules: { // General Best Practice Rules (subset adapted for flat config) '@typescript-eslint/array-type': ['error', { default: 'array-simple' }], 'arrow-body-style': ['error', 'as-needed'], curly: ['error', 'multi-line'], eqeqeq: ['error', 'always', { null: 'ignore' }], '@typescript-eslint/consistent-type-assertions': [ 'error', { assertionStyle: 'as' }, ], '@typescript-eslint/explicit-member-accessibility': [ 'error', { accessibility: 'no-public' }, ], '@typescript-eslint/no-explicit-any': 'warn', '@typescript-eslint/no-inferrable-types': [ 'error', { ignoreParameters: true, ignoreProperties: true }, ], '@typescript-eslint/no-namespace': ['error', { allowDeclarations: true }], '@typescript-eslint/no-unused-vars': [ 'warn', { argsIgnorePattern: '^_', varsIgnorePattern: '^_', caughtErrorsIgnorePattern: '^_', }, ], 'no-cond-assign': 'error', 'no-debugger': 'error', 'no-duplicate-case': 'error', 'no-restricted-syntax': [ 'error', { selector: 'CallExpression[callee.name="require"]', message: 'Avoid using require(). Use ES6 imports instead.', }, { selector: 'ThrowStatement > Literal:not([value=/^\\w+Error:/])', message: 'Do not throw string literals or non-Error objects. Throw new Error("...") instead.', }, ], 'no-unsafe-finally': 'error', 'no-unused-expressions': 'off', // Disable base rule '@typescript-eslint/no-unused-expressions': [ // Enable TS version 'error', { allowShortCircuit: true, allowTernary: true }, ], 'no-var': 'error', 'object-shorthand': 'error', 'one-var': ['error', 'never'], 'prefer-arrow-callback': 'error', 'prefer-const': ['error', { destructuring: 'all' }], radix: 'error', 'default-case': 'error', }, }, // Prettier config must be last prettierConfig, );