Function completeUnitOfWork

dash/deps/react-dom@18.3.1.js:26625–26720

(unitOfWork)

  }

  function completeUnitOfWork(unitOfWork) {
    // Attempt to complete the current unit of work, then move to the next
    // sibling. If there are no more siblings, return to the parent fiber.
    var completedWork = unitOfWork;

    do {
      // The current, flushed, state of this fiber is the alternate. Ideally
      // nothing should rely on this, but relying on it here means that we don't
      // need an additional field on the work in progress.
      var current = completedWork.alternate;
      var returnFiber = completedWork.return; // Check if the work completed or if something threw.

      if ((completedWork.flags & Incomplete) === NoFlags) {
        setCurrentFiber(completedWork);
        var next = void 0;

        if ( (completedWork.mode & ProfileMode) === NoMode) {
          next = completeWork(current, completedWork, subtreeRenderLanes);
        } else {
          startProfilerTimer(completedWork);
          next = completeWork(current, completedWork, subtreeRenderLanes); // Update render duration assuming we didn't error.

          stopProfilerTimerIfRunningAndRecordDelta(completedWork, false);
        }

        resetCurrentFiber();

        if (next !== null) {
          // Completing this fiber spawned new work. Work on that next.
          workInProgress = next;
          return;
        }
      } else {
        // This fiber did not complete because something threw. Pop values off
        // the stack without entering the complete phase. If this is a boundary,
        // capture values if possible.
        var _next = unwindWork(current, completedWork); // Because this fiber did not complete, don't reset its lanes.


        if (_next !== null) {
          // If completing this work spawned new work, do that next. We'll come
          // back here again.
          // Since we're restarting, remove anything that is not a host effect
          // from the effect tag.
          _next.flags &= HostEffectMask;
          workInProgress = _next;
          return;
        }

        if ( (completedWork.mode & ProfileMode) !== NoMode) {
          // Record the render duration for the fiber that errored.
          stopProfilerTimerIfRunningAndRecordDelta(completedWork, false); // Include the time spent working on failed children before continuing.

          var actualDuration = completedWork.actualDuration;
          var child = completedWork.child;

          while (child !== null) {
            actualDuration += child.actualDuration;