.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser', // Specifies the ESLint parser
  extends: [
    'plugin:react/recommended', // Uses the recommended rules from @eslint-plugin-react
    'plugin:@typescript-eslint/recommended', // Uses the recommended rules from @typescript-eslint/eslint-plugin
    'prettier', // Uses eslint-config-prettier to disable ESLint rules from @typescript-eslint/eslint-plugin that would conflict with prettier
    'plugin:prettier/recommended', // Enables eslint-plugin-prettier and eslint-config-prettier. This will display prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
    'react-app', // used to enable import/order, import/extensions and more because .eslintrc is outside default CRA ESlint config (located in package.json)
  ],
  plugins: ['@typescript-eslint', 'react', 'react-hooks'],
  parserOptions: {
    ecmaVersion: 2020, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
    ecmaFeatures: {
      jsx: true, // Allows for the parsing of JSX
    },
  },
  rules: {
    'react/prop-types': 'off',
    'no-console': 'warn',
    'react/jsx-props-no-spreading': 'error',
    'react-hooks/exhaustive-deps': 'warn',
    'import/no-default-export': 'error',
    'import/order': [
      'error',
      {
        groups: [
          ['external', 'builtin'],
          ['parent', 'internal'],
          ['index', 'sibling'],
        ],
        'newlines-between': 'always',
      },
    ],
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        jsx: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
    '@typescript-eslint/no-explicit-any': 'warn',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-empty-function': 'off',
  },
  settings: {
    react: {
      version: 'detect', // Tells eslint-plugin-react to automatically detect the version of React to use
    },
    'import/resolver': {
      node: {
        paths: ['src'],
        moduleDirectory: ['node_modules', 'src/'],
        extensions: ['.ts', '.tsx'],
      },
    },
  },
  overrides: [
    {
      files: ['**/!(setupTests|test/utils|*.spec.*|*.test.*).ts?x'],
      rules: {
        '@typescript-eslint/no-empty-function': 'error',
        '@typescript-eslint/explicit-function-return-type': [
          'error',
          {
            allowExpressions: true,
          },
        ],
      },
    },
  ],
}