Function handler

packages/vitest/src/node/plugins/optimizer.ts:10–24

(viteConfig)

    config: {
      order: 'post',
      handler(viteConfig) {
        const testConfig = viteConfig.test || {}

        const root = resolve(viteConfig.root || process.cwd())
        const name = viteConfig.test?.name
        const label = typeof name === 'string' ? name : (name?.label || '')

        viteConfig.cacheDir = VitestCache.resolveCacheDir(
          resolve(root || process.cwd()),
          testConfig.cache != null && testConfig.cache !== false
            ? testConfig.cache.dir
            : viteConfig.cacheDir,
          label,
        )
      },
    },
  }
}