.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser', // Specifies the ESLint parser
  extends: [
    'airbnb-base',
    'plugin:@typescript-eslint/recommended', // Uses the recommended rules from the @typescript-eslint/eslint-plugin
    'plugin:jest/recommended',
  ],
  parserOptions: {
    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
  },
  rules: {
    'no-console': 'off',
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        jsx: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
    'no-multiple-empty-lines': [
      'error', {
        max: 2,
        maxEOF: 1,
      },
    ],
    'no-shadow': 'off', // Turn off regular no-shadow since it causes false positives with enums
    '@typescript-eslint/no-shadow': ['error'], // Turn on TS specific no-shadow
  },
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx'],
        moduleDirectory: ['node_modules', 'src/'],
      },
    },
  },
  plugins: ['jest'],
  overrides: [
    {
      files: [
        '*.js',
        '*.jsx',
      ],
      rules: {
        '@typescript-eslint/no-var-requires': 'off',
        '@typescript-eslint/explicit-function-return-type': 'off',
      },
    },
  ],
  ignorePatterns: [
    'dist/',
    'tmp/',
  ],
};