eslint.config.js

const tseslint = require('@typescript-eslint/eslint-plugin');
const tsparser = require('@typescript-eslint/parser');
const prettier = require('eslint-config-prettier');

module.exports = [
  {
    ignores: [
      'node_modules/**',
      '.vercel/**',
      'coverage/**',
      '*.config.js',
      '*.config.ts',
      '__tests__/**',
    ],
  },
  {
    files: ['**/*.ts'],
    languageOptions: {
      parser: tsparser,
      parserOptions: {
        project: './tsconfig.json',
        ecmaVersion: 2020,
        sourceType: 'module',
      },
    },
    plugins: {
      '@typescript-eslint': tseslint,
    },
    rules: {
      ...tseslint.configs.recommended.rules,
      ...tseslint.configs['recommended-type-checked'].rules,
      '@typescript-eslint/no-unused-vars': [
        'error',
        { argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
      ],
      '@typescript-eslint/explicit-function-return-type': 'off',
      '@typescript-eslint/no-explicit-any': 'warn',
      '@typescript-eslint/no-floating-promises': 'error',
      '@typescript-eslint/no-misused-promises': 'error',
      'padding-line-between-statements': [
        'error',
        { blankLine: 'always', prev: '*', next: 'return' },
      ],
    },
  },
  prettier,
];