Function flushGestureAnimations

packages/react-reconciler/src/ReactFiberWorkLoop.js:4324–4381

()

}

function flushGestureAnimations(): void {
  if (!enableGestureTransition) {
    return;
  }
  // If we get canceled before we start we might not have applied
  // mutations yet. We need to apply them first.
  flushGestureMutations();
  if (pendingEffectsStatus !== PENDING_GESTURE_ANIMATION_PHASE) {
    return;
  }

  const lanes = pendingEffectsLanes;

  if (enableProfilerTimer && enableComponentPerformanceTrack) {
    // Update the new commitEndTime to when we started the animation.
    recordCommitEndTime();
    logStartViewTransitionYieldPhase(
      pendingEffectsRenderEndTime,
      commitEndTime,
      pendingDelayedCommitReason === ABORTED_VIEW_TRANSITION_COMMIT,
      animatingTask,
    );
    if (pendingDelayedCommitReason !== ABORTED_VIEW_TRANSITION_COMMIT) {
      pendingDelayedCommitReason = ANIMATION_STARTED_COMMIT;
    }
  }

  pendingEffectsStatus = NO_PENDING_EFFECTS;
  const root = pendingEffectsRoot;
  const finishedWork = pendingFinishedWork;
  pendingEffectsRoot = (null: any); // Clear for GC purposes.
  pendingFinishedWork = (null: any); // Clear for GC purposes.
  pendingEffectsLanes = NoLanes;

  pendingViewTransition = null; // The view transition has now fully started.

  const prevTransition = ReactSharedInternals.T;
  ReactSharedInternals.T = null;
  const previousPriority = getCurrentUpdatePriority();
  setCurrentUpdatePriority(DiscreteEventPriority);
  const prevExecutionContext = executionContext;
  executionContext |= CommitContext;
  try {
    startGestureAnimations(root, finishedWork);
  } finally {
    // Reset the priority to the previous non-sync value.
    executionContext = prevExecutionContext;
    setCurrentUpdatePriority(previousPriority);
    ReactSharedInternals.T = prevTransition;
  }

  if (enableProfilerTimer && enableComponentPerformanceTrack) {
    finalizeRender(lanes, commitEndTime);
  }

  // Now that we've rendered this lane. Start working on the next lane.
  ensureRootIsScheduled(root);
}