eslint.config.js

const react = require('eslint-plugin-react')

module.exports = [
  {
    files: ['src/**/*.js', 'src/**/*.jsx', 'src/**/*.tsx'],

    plugins: {
      react,
    },

    languageOptions: {
      parser: require('@typescript-eslint/parser'),
      parserOptions: {
        ecmaFeatures: {
          jsx: true,
        },
      },
    },

    ignores: [
      '/lambda/',
      '/scripts',
      '/config',
      '.history',
      '/coverage',
      '/mock',
      '/lib',
      '/public',
      '/tests',
      '__tests__',
      '*.json',
      '/e2e',
      '/assets',
      'serviceWorker.ts',
      'src/reportWebVitals.ts',
      '.github',
      '.vscode',
    ],
    rules: {
      'react/prop-types': 0,
      'react/display-name': 0,

      semi: ['error', 'never'],
      'no-var': 2,
      'constructor-super': 2,
      'no-class-assign': 2,
      'for-direction': 2,
      'getter-return': 2,
      'no-async-promise-executor': 2,
      'no-compare-neg-zero': 2,
      'no-cond-assign': 2,
      'no-constant-condition': 2,
      'no-control-regex': 2,
      'no-debugger': 2,
      'no-dupe-args': 2,
      'no-dupe-keys': 2,
      'no-duplicate-case': 2,
      'no-empty-character-class': 2,
      'no-ex-assign': 2,
      'no-extra-boolean-cast': 2,
      'no-extra-semi': 2,
      'no-func-assign': 2,
      'no-inner-declarations': 2,
      'no-invalid-regexp': 2,
      'no-irregular-whitespace': 2,
      'no-misleading-character-class': 2,
      'no-obj-calls': 2,
      'no-prototype-builtins': 2,
      'no-regex-spaces': 2,
      'no-sparse-arrays': 2,
      'no-unexpected-multiline': 2,
      'no-unreachable': 2,
      'no-unsafe-finally': 2,
      'no-unsafe-negation': 2,
      'require-atomic-updates': 2,
      'use-isnan': 2,
      'valid-typeof': 2,
      'no-empty-pattern': 2,
      'no-fallthrough': 2,
      'no-global-assign': 2,
      'no-octal': 2,
      'no-redeclare': 2,
      'no-self-assign': 2,
      'no-unused-labels': 2,
      'no-useless-catch': 2,
      'no-useless-escape': 2,
      'no-with': 2,
      'no-delete-var': 2,
      'no-shadow-restricted-names': 2,
      'no-undef': 0,
      'no-mixed-spaces-and-tabs': 2,
      'no-const-assign': 2,
      'no-dupe-class-members': 2,
      'no-new-symbol': 2,
      'no-this-before-super': 2,
      'require-yield': 2,
      'symbol-description': 2,
      'space-infix-ops': 2,
      'space-before-blocks': 2,
      'no-trailing-spaces': 2,
      'no-new-object': 2,
      'no-multi-assign': 2,
      'no-array-constructor': 2,
      'func-call-spacing': 2,
      'eol-last': 2,
      'no-script-url': 2,
      'no-return-assign': 2,
      'no-useless-return': 2,
      'no-proto': 2,
      'no-new-wrappers': 2,
      eqeqeq: 2,
      'no-eval': 2,
      'no-extra-label': 2,
      'no-implied-eval': 2,
      'no-multi-spaces': 2,
      'no-multi-str': 2,
      'arrow-spacing': 2,
    },
    settings: {
      // support import modules from TypeScript files in JavaScript files
      'import/resolver': {
        node: { extensions: ['.js', '.jsx', '.ts', '.tsx'] },
      },
      polyfills: ['fetch', 'Promise', 'URL', 'object-assign'],
    },
  },
]