commitClassCallbacks() — react Function Reference

Source Code

packages/react-reconciler/src/ReactFiberCommitEffects.js lines 517–1044

export function commitClassCallbacks(finishedWork: Fiber) {
  // TODO: I think this is now always non-null by the time it reaches the
  // commit phase. Consider removing the type check.
  const updateQueue: UpdateQueue<mixed> | null =
    (finishedWork.updateQueue: any);
  if (updateQueue !== null) {
    const instance = finishedWork.stateNode;
    if (__DEV__) {
      if (
        !finishedWork.type.defaultProps &&
        !('ref' in finishedWork.memoizedProps) &&
        !didWarnAboutReassigningProps
      ) {
        if (instance.props !== finishedWork.memoizedProps) {
          console.error(
            'Expected %s props to match memoized props before ' +
              'processing the update queue. ' +
              'This might either be because of a bug in React, or because ' +
              'a component reassigns its own `this.props`. ' +
              'Please file an issue.',
            getComponentNameFromFiber(finishedWork) || 'instance',
          );
        }
        if (instance.state !== finishedWork.memoizedState) {
          console.error(
            'Expected %s state to match memoized state before ' +
              'processing the update queue. ' +
              'This might either be because of a bug in React, or because ' +
              'a component reassigns its own `this.state`. ' +
              'Please file an issue.',
            getComponentNameFromFiber(finishedWork) || 'instance',
          );
        }
      }
    }
    // We could update instance props and state here,
    // but instead we rely on them being set during last render.
    // TODO: revisit this when we implement resuming.
    try {
      if (__DEV__) {
        runWithFiberInDEV(finishedWork, commitCallbacks, updateQueue, instance);
      } else {
        commitCallbacks(updateQueue, instance);
      }
    } catch (error) {
      captureCommitPhaseError(finishedWork, finishedWork.return, error);
    }
  }
}

export function commitClassHiddenCallbacks(finishedWork: Fiber) {
  // Commit any callbacks that would have fired while the component
  // was hidden.
  const updateQueue: UpdateQueue<mixed> | null =
    (finishedWork.updateQueue: any);
  if (updateQueue !== null) {
    const instance = finishedWork.stateNode;
    try {
      if (__DEV__) {
        runWithFiberInDEV(
          finishedWork,
          commitHiddenCallbacks,
          updateQueue,
          instance,
        );
      } else {
        commitHiddenCallbacks(updateQueue, instance);
      }
    } catch (error) {
      captureCommitPhaseError(finishedWork, finishedWork.return, error);
    }
  }
}

export function commitRootCallbacks(finishedWork: Fiber) {
  // TODO: I think this is now always non-null by the time it reaches the
  // commit phase. Consider removing the type check.
  const updateQueue: UpdateQueue<mixed> | null =
    (finishedWork.updateQueue: any);
  if (updateQueue !== null) {
    let instance = null;