.eslintrc.js

module.exports = {
  env: {
    browser: true,
    node: true,
  },
  settings: {
    react: {
      version: 'detect',
    },
    node: {
      extensions: ['.js', '.jsx', '.ts', '.tsx'],
      project: ['tsconfig.json', 'package/tsconfig.json'],
    },
    typescript: {
      alwaysTryTypes: true,
      project: ['tsconfig.json', 'package/tsconfig.json'],
    },
  },
  extends: [
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:storybook/recommended',
    'plugin:prettier/recommended',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 11,
    sourceType: 'module',
  },
  plugins: [
    'react',
    'react-hooks',
    '@typescript-eslint',
    'eslint-plugin-import-helpers',
  ],
  rules: {
    'prettier/prettier': [
      'error',
      {
        trailingComma: 'all',
        semi: false,
        singleQuote: true,
      },
      {
        usePrettierrc: false,
      },
    ],
    'import-helpers/order-imports': [
      'warn',
      {
        newlinesBetween: 'always', // new line between groups
        groups: [
          '/^react/',
          'module',
          '/styles.*/',
          ['parent', 'sibling', 'index'],
          '/\\.\\/styles/',
        ],
        alphabetize: {
          order: 'asc',
          ignoreCase: true,
        },
      },
    ],
    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'warn',
    'react/prop-types': 'off',
    'react/react-in-jsx-scope': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-non-null-assertion': 'off',
    '@typescript-eslint/no-var-requires': 'off',
    'jest/prefer-expect-assertions': 'off',
  },
  overrides: [
    {
      // 3) Now we enable eslint-plugin-testing-library rules or preset only for matching files!
      env: {
        jest: true,
      },
      files: ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[jt]s?(x)'],
      extends: ['plugin:testing-library/react', 'plugin:jest/recommended'],
      rules: {
        'import/no-extraneous-dependencies': [
          'off',
          {
            devDependencies: ['**/?(*.)+(spec|test).[jt]s?(x)'],
          },
        ],
      },
    },
  ],
}