.eslintrc.js

module.exports = {
  ignorePatterns: ['lib/', 'coverage/'],
  parserOptions: {
    ecmaVersion: 2020, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
  },
  env: {
    es6: true,
    node: true,
  },
  extends: [
    'eslint:recommended', // 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.
  ],
  overrides: [
    {
      files: ['**/*.ts'],
      parser: '@typescript-eslint/parser', // Specifies the ESLint parser
      parserOptions: {
        ecmaVersion: 2020, // Allows for the parsing of modern ECMAScript features
        sourceType: 'module', // Allows for the use of imports
      },
      extends: [
        'plugin:@typescript-eslint/recommended', // Uses the recommended rules from the @typescript-eslint/eslint-plugin,
        '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.
      ],
      rules: {
        '@typescript-eslint/interface-name-prefix': 'off',
        '@typescript-eslint/explicit-function-return-type': 'off',
        '@typescript-eslint/explicit-module-boundary-types': 'off',
        'no-restricted-syntax': [
          'error',
          {
            selector: 'ExportDefaultDeclaration',
            message: 'Prefer named exports',
          },
        ],
      },
    },
    {
      files: ['**/*.spec.ts', '**/*.int-spec.ts', 'test/setup.ts'],
      env: {
        jest: true,
        node: true,
      },
    },
  ],
};