Function enqueueCapturedUpdate

dash/deps/react-dom@18.2.0.js:13565–13645

(workInProgress, capturedUpdate)

    }
  }
  function enqueueCapturedUpdate(workInProgress, capturedUpdate) {
    // Captured updates are updates that are thrown by a child during the render
    // phase. They should be discarded if the render is aborted. Therefore,
    // we should only put them on the work-in-progress queue, not the current one.
    var queue = workInProgress.updateQueue; // Check if the work-in-progress queue is a clone.

    var current = workInProgress.alternate;

    if (current !== null) {
      var currentQueue = current.updateQueue;

      if (queue === currentQueue) {
        // The work-in-progress queue is the same as current. This happens when
        // we bail out on a parent fiber that then captures an error thrown by
        // a child. Since we want to append the update only to the work-in
        // -progress queue, we need to clone the updates. We usually clone during
        // processUpdateQueue, but that didn't happen in this case because we
        // skipped over the parent when we bailed out.
        var newFirst = null;
        var newLast = null;
        var firstBaseUpdate = queue.firstBaseUpdate;

        if (firstBaseUpdate !== null) {
          // Loop through the updates and clone them.
          var update = firstBaseUpdate;

          do {
            var clone = {
              eventTime: update.eventTime,
              lane: update.lane,
              tag: update.tag,
              payload: update.payload,
              callback: update.callback,
              next: null
            };

            if (newLast === null) {
              newFirst = newLast = clone;
            } else {
              newLast.next = clone;
              newLast = clone;
            }

            update = update.next;
          } while (update !== null); // Append the captured update the end of the cloned list.


          if (newLast === null) {
            newFirst = newLast = capturedUpdate;
          } else {
            newLast.next = capturedUpdate;
            newLast = capturedUpdate;
          }
        } else {
          // There are no base updates.
          newFirst = newLast = capturedUpdate;
        }