Function enqueueFlush

packages/react-server/src/ReactFlightServer.js:6022–6040

(request: Request)

}

function enqueueFlush(request: Request): void {
  if (
    request.flushScheduled === false &&
    // If there are pinged tasks we are going to flush anyway after work completes
    request.pingedTasks.length === 0 &&
    // If there is no destination there is nothing we can flush to. A flush will
    // happen when we start flowing again
    (request.destination !== null ||
      (__DEV__ && request.debugDestination !== null))
  ) {
    request.flushScheduled = true;
    // Unlike startWork and pingTask we intetionally use scheduleWork
    // here even during prerenders to allow as much batching as possible
    scheduleWork(() => {
      request.flushScheduled = false;
      flushCompletedChunks(request);
    });
  }
}

function callOnAllReadyIfReady(request: Request): void {
  if (request.abortableTasks.size === 0) {