Function cleanup

packages/router-core/src/ssr/transformStreamWithRouter.ts:126–136

()

    let lifetimeTimeoutHandle: ReturnType<typeof setTimeout> | undefined

    const cleanup = () => {
      if (cleanedUp) return
      cleanedUp = true

      if (lifetimeTimeoutHandle !== undefined) {
        clearTimeout(lifetimeTimeoutHandle)
        lifetimeTimeoutHandle = undefined
      }

      router.serverSsr?.cleanup()
    }

    const safeClose = () => {
      if (isStreamClosed) return