/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @format */ 'use strict'; const path = require('node:path'); require('eslint-plugin-lint').load(path.join(__dirname, 'tools/eslint/rules')); module.exports = { root: true, extends: ['@react-native'], plugins: ['@react-native/eslint-plugin-specs', 'lint'], overrides: [ // overriding the JS config from @react-native/eslint-config to ensure // that we use hermes-eslint for all js files { files: ['*.js', '*.js.flow'], parser: 'hermes-eslint', rules: { // These rules are not required with hermes-eslint 'ft-flow/define-flow-type': 0, 'ft-flow/use-flow-type': 0, // flow handles this check for us, so it's not required 'no-undef': 0, }, }, { files: ['package.json'], parser: 'jsonc-eslint-parser', }, { files: ['package.json'], rules: { 'lint/react-native-manifest': 2, }, }, { files: ['flow-typed/**/*.js'], rules: { 'lint/valid-flow-typed-signature': 2, 'no-unused-vars': 0, quotes: 0, }, }, { files: ['packages/react-native/Libraries/**/*.js'], rules: { '@react-native/platform-colors': 2, '@react-native/specs/react-native-modules': 2, 'lint/no-haste-imports': 2, 'lint/no-react-native-imports': 2, 'lint/require-extends-error': 2, 'lint/sort-imports': 1, }, }, { files: [ '**/__fixtures__/**/*.js', '**/__mocks__/**/*.js', '**/__tests__/**/*.js', 'packages/react-native/jest/**/*.js', 'packages/rn-tester/**/*.js', ], globals: { // Expose some Jest globals for test helpers afterAll: true, afterEach: true, beforeAll: true, beforeEach: true, expect: true, jest: true, }, }, { files: ['**/__tests__/**/*-test.js'], env: { jasmine: true, jest: true, }, }, { files: ['**/*.{ts,tsx}'], parser: '@typescript-eslint/parser', plugins: ['@typescript-eslint/eslint-plugin'], rules: { '@typescript-eslint/no-unused-vars': 'off', 'react-native/no-inline-styles': 'off', '@typescript-eslint/no-shadow': 'off', 'no-self-compare': 'off', 'react/self-closing-comp': 'off', }, }, { files: ['**/*.d.ts'], plugins: ['redundant-undefined'], rules: { 'redundant-undefined/redundant-undefined': [ 'error', {followExactOptionalPropertyTypes: true}, ], }, }, ], };