optimizer.ts

import type { Plugin } from 'vite'
import { resolveOptimizerConfig } from './utils'

export function VitestOptimizer(): Plugin {
  return {
    name: 'vitest:normalize-optimizer',
    config: {
      order: 'post',
      handler(viteConfig) {
        const testConfig = viteConfig.test || {}
        const webOptimizer = resolveOptimizerConfig(testConfig.deps?.optimizer?.web, viteConfig.optimizeDeps, testConfig)
        const ssrOptimizer = resolveOptimizerConfig(testConfig.deps?.optimizer?.ssr, viteConfig.ssr?.optimizeDeps, testConfig)

        viteConfig.cacheDir = webOptimizer.cacheDir || ssrOptimizer.cacheDir || viteConfig.cacheDir
        viteConfig.optimizeDeps = webOptimizer.optimizeDeps
        viteConfig.ssr = {
          optimizeDeps: ssrOptimizer.optimizeDeps,
        }
      },
    },
  }
}