eslint.config.mjs

import tseslint from 'typescript-eslint';
import eslintPluginJest from 'eslint-plugin-jest';
import eslintPluginPrettier from 'eslint-plugin-prettier/recommended';

export default tseslint.config(
  {
    ignores: ['dist/', 'lib/', 'node_modules/'],
  },
  ...tseslint.configs.recommendedTypeChecked,
  eslintPluginJest.configs['flat/recommended'],
  eslintPluginPrettier,
  {
    languageOptions: {
      parserOptions: {
        projectService: {
          allowDefaultProject: ['src/*.test.ts'],
        },
        tsconfigRootDir: import.meta.dirname,
      },
    },
    rules: {
      // Beyond recommendedTypeChecked
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/array-type': 'error',
      '@typescript-eslint/explicit-function-return-type': [
        'error',
        {allowExpressions: true},
      ],
      '@typescript-eslint/explicit-member-accessibility': [
        'error',
        {accessibility: 'no-public'},
      ],
      '@typescript-eslint/no-unnecessary-qualifier': 'error',
      '@typescript-eslint/prefer-for-of': 'warn',
      '@typescript-eslint/prefer-includes': 'error',
      '@typescript-eslint/prefer-string-starts-ends-with': 'error',
      '@typescript-eslint/promise-function-async': 'error',
      '@typescript-eslint/require-array-sort-compare': 'error',
    },
  },
  {
    files: ['**/*.test.ts'],
    rules: {
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/no-unsafe-assignment': 'off',
      '@typescript-eslint/no-unsafe-member-access': 'off',
      '@typescript-eslint/no-unsafe-call': 'off',
      '@typescript-eslint/no-unsafe-return': 'off',
      '@typescript-eslint/unbound-method': 'off',
    },
  },
);