eslint.config.js

const typescriptPlugin = require('@typescript-eslint/eslint-plugin');
const typescriptParser = require('@typescript-eslint/parser');
const prettierPlugin = require('eslint-plugin-prettier');
const prettierConfig = require('eslint-config-prettier');

module.exports = [
  {
    ignores: ['node_modules/**', 'dist/**', 'coverage/**', 'tmp/**'],
  },
  {
    files: ['**/*.ts'],
    languageOptions: {
      parser: typescriptParser,
      parserOptions: {
        ecmaVersion: 2020,
        sourceType: 'module',
      },
      globals: {
        node: true,
        jest: true,
      },
    },
    plugins: {
      '@typescript-eslint': typescriptPlugin,
      prettier: prettierPlugin,
    },
    rules: {
      ...typescriptPlugin.configs.recommended.rules,
      ...prettierConfig.rules,
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/explicit-module-boundary-types': 'off',
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
      'prettier/prettier': 'error',
    },
  },
  {
    files: ['**/*.js'],
    languageOptions: {
      parserOptions: {
        ecmaVersion: 2020,
        sourceType: 'commonjs',
      },
      globals: {
        node: true,
        jest: true,
      },
    },
    plugins: {
      prettier: prettierPlugin,
    },
    rules: {
      ...prettierConfig.rules,
      'prettier/prettier': 'error',
    },
  },
];