import eslint from '@eslint/js';
import eslintConfigPrettier from 'eslint-config-prettier';
import { defineConfig } from 'eslint/config';
import tseslint from 'typescript-eslint';
export default defineConfig(
// Global ignores
{
ignores: ['dist/**', 'node_modules/**', 'test-results/**', 'reports/**'],
},
// Base JS recommended config
eslint.configs.recommended,
// TypeScript recommended config
...tseslint.configs.recommended,
// TypeScript strict type-checked config for src files only
{
files: ['src/**/*.ts'],
extends: [tseslint.configs.strictTypeChecked],
languageOptions: {
parserOptions: {
projectService: true,
tsconfigRootDir: import.meta.dirname,
},
},
rules: {
// HIGH: TypeScript strict rules
'@typescript-eslint/no-explicit-any': 'error',
'@typescript-eslint/no-unsafe-assignment': 'error',
'@typescript-eslint/no-unsafe-member-access': 'error',
'@typescript-eslint/no-unsafe-call': 'error',
'@typescript-eslint/no-unsafe-return': 'error',
'@typescript-eslint/no-non-null-assertion': 'error',
// MEDIUM: Clean code
'@typescript-eslint/no-unused-vars': [
'error',
{ argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
],
'no-console': ['warn', { allow: ['warn', 'error'] }],
'@typescript-eslint/no-require-imports': 'off',
// Allow floating promises in specific patterns (IIFE in setInterval)
'@typescript-eslint/no-floating-promises': [
'error',
{ ignoreVoid: true },
],
// Relax some rules for this project
'@typescript-eslint/restrict-template-expressions': 'off',
'@typescript-eslint/no-misused-promises': [
'error',
{ checksVoidReturn: false },
],
},
},
// TypeScript config for test files and config files (no type-checking)
{
files: ['tests/**/*.ts', '*.config.ts', '*.config.mjs'],
rules: {
'@typescript-eslint/no-unused-vars': [
'error',
{ argsIgnorePattern: '^_', varsIgnorePattern: '^_' },
],
'no-console': 'off',
},
},
// Playwright test best practices - enforce stable test patterns
{
files: ['tests/**/*.spec.ts', 'tests/**/*.test.ts'],
rules: {
// Ban .only() and .skip() to prevent accidental test filtering
'no-restricted-properties': [
'warn',
{
object: 'test',
property: 'only',
message:
'⚠️ test.only() will skip all other tests. Remove before committing.',
},
{
object: 'test',
property: 'skip',
message:
'⚠️ test.skip() found. Ensure this is intentional - add comment explaining why. Use test.fixme() for known issues.',
},
],
},
},
// Prettier config (must be last to override formatting rules)
eslintConfigPrettier
);
