Function warmupRequest

packages/vite/src/node/server/index.ts:672–676

(url, options)

      return environment.transformRequest(url)
    },
    warmupRequest(url, options) {
      warnFutureDeprecation(config, 'removeServerWarmupRequest')
      const environment = server.environments[options?.ssr ? 'ssr' : 'client']
      return environment.warmupRequest(url)
    },
    transformIndexHtml(url, html, originalUrl) {
      return devHtmlTransformFn(server, url, html, originalUrl)
    },