.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
  },
  extends: [
    'plugin:react/recommended',
    'plugin:@typescript-eslint/recommended',
    'airbnb',
  ],
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly',
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 2018,
    sourceType: 'module',
  },
  plugins: [
    'react',
    '@typescript-eslint',
  ],
  rules: {
    'import/extensions': [
      'error',
      'always',
      {
        ts: 'never',
        tsx: 'never',
        js: 'never',
        jsx: 'never',
      },
    ],
    'no-nested-ternary': ['off'],
    'no-restricted-syntax': [
      'error',
      {
        selector: 'ForInStatement',
        message: 'for..in loops iterate over the entire prototype chain, which is virtually never what you want. Use Object.{keys,values,entries}, and iterate over the resulting array.',
      },
      {
        selector: 'LabeledStatement',
        message: 'Labels are a form of GOTO; using them makes code confusing and hard to maintain and understand.',
      },
      {
        selector: 'WithStatement',
        message: '`with` is disallowed in strict mode because it makes code impossible to predict and optimize.',
      },
    ],
    '@typescript-eslint/camelcase': ['error', {
      allow: ['current_password', 'password_confirmation'],
    }],
    'react/jsx-filename-extension': [
      'warn',
      {
        extensions: ['.jsx', '.tsx']
      }
    ],
    'react/jsx-props-no-spreading': ['error', {
      custom: 'ignore',
    }],
    'react/prop-types': ['error', {
      skipUndeclared: true,
    }],
    'react/no-array-index-key': ['off'],
    'jsx-a11y/label-has-associated-control': ['off'],
    'jsx-a11y/no-autofocus': ['off'],
    'jsx-a11y/anchor-is-valid': ['error', {
      components: ['Link'],
      specialLink: ['to'],
      aspects: ['noHref'],
    }],
    'jsx-a11y/click-events-have-key-events': ['off'],
    'jsx-a11y/no-noninteractive-element-interactions': ['off'],
    'jsx-a11y/no-static-element-interactions': ['off'],
  },
  settings: {
    'import/extensions': ['.js', '.jsx', '.ts', '.tsx'],
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx'],
    },
    'import/resolver': {
      'node': {
        'extensions': ['.js', '.jsx', '.ts', '.tsx'],
      },
      webpack: {
        config: 'config/webpack/development.js',
      },
    },
  },
};