eslint.config.js

const { FlatCompat } = require('@eslint/eslintrc');
const tseslint = require('@typescript-eslint/eslint-plugin');
const tsparser = require('@typescript-eslint/parser');
const prettier = require('eslint-config-prettier');
const path = require('node:path');

// Create a compatibility instance
const compat = new FlatCompat({
  baseDirectory: __dirname,
});

module.exports = [
  require('@eslint/js').configs.recommended,
  ...compat.extends('plugin:@typescript-eslint/recommended'),
  {
    files: ['**/*.ts', '!**/*.test.ts'],
    languageOptions: {
      parser: tsparser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
        project: './tsconfig.json',
        tsconfigRootDir: __dirname,
      },
    },
    plugins: {
      '@typescript-eslint': tseslint,
    },
    rules: {
      '@typescript-eslint/explicit-function-return-type': 'warn',
      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/ban-ts-comment': 'warn',
    },
  },
  {
    files: ['**/*.test.ts'],
    languageOptions: {
      parser: tsparser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
        project: './tsconfig.test.json',
        tsconfigRootDir: __dirname,
      },
    },
    plugins: {
      '@typescript-eslint': tseslint,
    },
    rules: {
      '@typescript-eslint/explicit-function-return-type': 'warn',
      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/ban-ts-comment': 'warn',
    },
  },
  {
    ignores: ['dist/**', 'coverage/**', 'node_modules/**', '**/*.js', '**/*.d.ts'],
  },
  prettier,
];