Function cleanup

packages/router-core/src/ssr/ssr-server.ts:361–369

()

      return buffered
    },
    cleanup() {
      // Guard against multiple cleanup calls
      if (!router.serverSsr) return
      renderFinishedListeners.length = 0
      serializationFinishedListeners.length = 0
      injectedHtmlBuffer = ''
      scriptBuffer.cleanup()
      router.serverSsr = undefined
    },
  }
}