import { defineConfig } from 'vitest/config';
import path from 'path';

export default defineConfig({
  test: {
    environment: 'node',
    globals: true,
    setupFiles: ['./vitest.setup.ts'],
    exclude: ['e2e/**', 'node_modules/**', '.next/**'],
    coverage: {
      provider: 'v8',
      reporter: ['text', 'json', 'html'],
      exclude: [
        'node_modules/**',
        '.next/**',
        'coverage/**',
        '**/*.test.ts',
        '**/*.test.tsx',
        '**/*.config.*',
        '**/e2e/**',
      ],
      // Vitest reads these keys directly under `thresholds` (the legacy `global`
      // nesting is ignored by the v8 provider and silently disables enforcement).
      thresholds: {
        branches: 80,
        functions: 80,
        lines: 80,
        statements: 80,
      },
    },
  },
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
    // Workspace packages (e.g. @bytelyst/charts) can resolve their own React
    // copy via the pnpm store; dedupe so SSR render tests use a single React
    // instance (avoids the "Invalid hook call" dual-package hazard).
    dedupe: ['react', 'react-dom'],
  },
});
