frontend/vitest.config.ts

import { defineConfig, mergeConfig } from 'vitest/config'
import viteConfig from './vite.config'

export default mergeConfig(
  viteConfig,
  defineConfig({
    test: {
      globals: true,
      environment: 'jsdom',
      setupFiles: ['./src/test/setup.ts'],
      include: ['src/**/*.{test,spec}.{ts,tsx}'],
      exclude: ['node_modules', 'e2e'],
      coverage: {
        provider: 'v8',
        reporter: ['text', 'json', 'html'],
        include: ['src/**/*.{ts,tsx}'],
        exclude: [
          'src/**/*.test.{ts,tsx}',
          'src/test/**',
          'src/mocks/**',
          'src/main.tsx',
          'src/vite-env.d.ts',
          // Exclude barrel files (re-exports) and type definitions from coverage
          'src/**/index.ts',
          'src/types/**',
        ],
        thresholds: {
          statements: 80,
          branches: 70,
          functions: 80,
          lines: 80,
        },
      },
    },
  })
)