/// <reference types="vitest" />
import { defineConfig } from 'vite';

export default defineConfig({
  build: {
    rollupOptions: {
      output: {
        // Three.js is most of the bundle and changes far less often than the
        // app, so give it its own long-lived chunk.
        manualChunks: { three: ['three'] },
      },
    },
  },
  test: {
    // The unit suite covers pure physics and the audio graph, neither of which
    // needs a DOM. Browser behaviour is covered by scripts/e2e.mjs against real
    // Chrome, where a real WebGL context and a real AudioContext exist.
    environment: 'node',
    globals: true,
    include: ['test/**/*.test.ts'],
  },
});