.eslintrc.js

module.exports = {
  root: true,
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:react-hooks/recommended',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: './tsconfig.eslint.json',
    tsconfigRootDir: __dirname,
    ecmaFeatures: {
      jsx: true,
    },
    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
  },
  plugins: ['jest', '@typescript-eslint', 'react-hooks'],
  env: { 'jest/globals': true },
  rules: {
    'no-use-before-define': 'off',
    '@typescript-eslint/no-use-before-define': ['error'],
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    'no-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': 'error',
    'no-shadow': 'off',
    '@typescript-eslint/no-shadow': 'error',
    'object-curly-spacing': ['warn', 'always'],
    'react/jsx-props-no-spreading': 'off',
    'import/prefer-default-export': 'off',
    'react-hooks/exhaustive-deps': 'warn',
    'no-underscore-dangle': ['error', { allow: ['__typename', '_env_'] }],
    'no-param-reassign': [
      'error',
      {
        props: true,
        ignorePropertyModificationsFor: ['state'],
      },
    ],
  },
  settings: {
    react: {
      version: 'detect',
    },
  },
  overrides: [
    {
      files: ['**/*.test.tsx', '**/*.test.ts'],
      env: {
        jest: true,
      },
    },
  ],
  ignorePatterns: ['.eslintrc.js'], // https://stackoverflow.com/questions/61956555/why-is-typescript-eslint-parser-including-files-outside-of-those-configured-in
};