.eslintrc.js

/**
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

module.exports = {
  root: true,
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 'latest',
    sourceType: 'module',
    ecmaFeatures: {
      jsx: true,
    },
  },
  env: {
    'es2021': true,
    'node': true,
    'react-native/react-native': true,
  },
  plugins: [
    '@typescript-eslint',
    'react',
    'react-hooks',
    'react-native',
    'import',
    'prettier',
  ],
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:react/recommended',
    'plugin:react-hooks/recommended',
    'plugin:react-native/all',
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:import/typescript',
    'plugin:prettier/recommended',
  ],
  rules: {
    'prettier/prettier': 'warn',
    'react/react-in-jsx-scope': 'off',
    'react-native/no-inline-styles': 'off',
    'react-native/sort-styles': 'off',
    'react-native/no-color-literals': 'off',
    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'warn',
    '@typescript-eslint/explicit-module-boundary-types': 'warn',
    '@typescript-eslint/no-explicit-any': 'error',
    '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }], // Allow unused vars starting with _
    'import/default': 'off', // Disable for now due to react-native-select-dropdown issues
  },
  settings: {
    'react': {
      version: 'detect',
    },
    'import/resolver': {
      typescript: {},
    },
  },
  overrides: [
    // Configuration files can use require()
    {
      files: ['**/*.config.js', '**/babel.config.js'],
      rules: {
        '@typescript-eslint/no-require-imports': 'off',
      },
    },
    // Test files
    {
      files: ['**/*.test.js', '**/*.test.ts', '**/e2e/**/*.js'],
      env: {
        jest: true,
      },
      rules: {
        '@typescript-eslint/explicit-module-boundary-types': 'off',
      },
    },
    // Example directory - less strict for demo code
    {
      files: ['example/**/*'],
      rules: {
        '@typescript-eslint/explicit-module-boundary-types': 'off',
      },
    },
  ],
};