.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
  },
  extends: [
    'plugin:react/recommended',
    'airbnb',
    'plugin:compat/recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier/@typescript-eslint',
    'plugin:prettier/recommended',
  ],
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly',
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 2018,
    sourceType: 'module',
  },
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx'],
      },
      webpack: {
        config: './config/webpack.common.js',
      },
    },
    polyfills: [
      // Example of marking entire API and all methods and properties as polyfilled
      'Promise',
      // Example of API with no property (i.e. a function)
      'fetch',
      // Example of instance method, must add `.prototype.`
      'Array.prototype.push',
    ],
  },
  plugins: ['react', 'react-hooks', '@typescript-eslint', 'compat', 'prettier'],
  rules: {
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        jsx: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
    'prettier/prettier': 'error',
    '@typescript-eslint/explicit-function-return-type': 'off',
    'react/jsx-filename-extension': [1, { extensions: ['.js', '.jsx', '.ts', '.tsx'] }],
    'import/no-extraneous-dependencies': 'off',
    'compat/compat': 'warn',
    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'warn',
    'react/destructuring-assignment': 'off',
    'no-underscore-dangle': ['error', { allowAfterThis: true }],
  },
  overrides: [
    {
      files: ['*.js', '*.jsx'],
      rules: {
        '@typescript-eslint/no-var-requires': 'off',
      },
    },
    {
      files: ['**/*.tsx'],
      rules: {
        'react/prop-types': 'off',
      },
    },
    {
      files: ['**/*.worker.js'],
      rules: { 'no-restricted-globals': [0] }, // allow 'self' in web workers
    },
  ],
}