.eslintrc.js

module.exports = {
  env: {
    browser: true,
    es6: true,
    node: true,
  },
  extends: [
    'airbnb',
    'plugin:import/typescript',
    'plugin:jest/recommended',
    'prettier/react',
    'plugin:prettier/recommended',
  ],
  globals: {
    Atomics: 'readonly',
    SharedArrayBuffer: 'readonly',
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 2018,
    sourceType: 'module',
  },
  plugins: ['jest', 'prettier', 'react', 'react-hooks', '@typescript-eslint'],
  rules: {
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        mjs: 'never',
        jsx: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
    'import/no-extraneous-dependencies': [
      'error',
      { devDependencies: ['**/*.test.ts', '**/*.test.tsx'] },
    ],
    'react/jsx-filename-extension': [1, { extensions: ['.jsx', '.tsx'] }],
    'prettier/prettier': ['error', { singleQuote: true, trailingComma: 'all' }],
  },
};