.eslintrc.js

module.exports = {
  extends: [
    'airbnb',
    'prettier',
    'plugin:jest/recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier/@typescript-eslint',
    'plugin:prettier/recommended',
  ],
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2020, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
  },
  plugins: ['@typescript-eslint', 'jest', 'prettier'],
  settings: {
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts'],
    },
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx', '.d.ts', '.json'],
      },
    },
  },
  rules: {
    'react/jsx-filename-extension': [
      2,
      { extensions: ['.js', '.jsx', '.ts', '.tsx'] },
    ],
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        jsx: 'never',
        mjs: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
    'import/no-extraneous-dependencies': [
      2,
      {
        devDependencies: [
          '**/*.test.ts',
          '**/*.test.tsx',
          '**/*.spec.ts',
          '**/*.spec.tsx',
        ],
      },
    ],
    'no-plusplus': ['error', { allowForLoopAfterthoughts: true }],
    'import/prefer-default-export': 'off',
    'lines-between-class-members': 'off',
    'no-restricted-syntax': 'off',
    'no-continue': 'off',
  },
};