example/dist/bundle.js
function bailoutOnAlreadyFinishedWork(current$$1, workInProgress, renderExpirationTime) {
  cancelWorkTimer(workInProgress);

  if (current$$1 !== null) {
    // Reuse previous context list
    workInProgress.firstContextDependency = current$$1.firstContextDependency;
  }

  if (enableProfilerTimer) {
    // Don't update "base" render times for bailouts.
    stopProfilerTimerIfRunning(workInProgress);
  }

  // Check if the children have any pending work.
  var childExpirationTime = workInProgress.childExpirationTime;
  if (childExpirationTime === NoWork || childExpirationTime > renderExpirationTime) {
    // The children don't have any work either. We can skip them.
    // TODO: Once we add back resuming, we should check if the children are
    // a work-in-progress set. If so, we need to transfer their effects.
    return null;
  } else {
    // This fiber doesn't have work, but its subtree does. Clone the child
    // fibers and continue.
    cloneChildFibers(current$$1, workInProgress);
    return workInProgress.child;
  }
}
function bailoutOnAlreadyFinishedWork(current$$1, workInProgress, renderExpirationTime) {
  cancelWorkTimer(workInProgress);

  if (current$$1 !== null) {
    // Reuse previous context list
    workInProgress.firstContextDependency = current$$1.firstContextDependency;
  }

  if (enableProfilerTimer) {
    // Don't update "base" render times for bailouts.
    stopProfilerTimerIfRunning(workInProgress);
  }

  // Check if the children have any pending work.
  var childExpirationTime = workInProgress.childExpirationTime;
  if (childExpirationTime === NoWork || childExpirationTime > renderExpirationTime) {
    // The children don't have any work either. We can skip them.
    // TODO: Once we add back resuming, we should check if the children are
    // a work-in-progress set. If so, we need to transfer their effects.
    return null;
  } else {
    // This fiber doesn't have work, but its subtree does. Clone the child
    // fibers and continue.
    cloneChildFibers(current$$1, workInProgress);
    return workInProgress.child;
  }
}
/*
function reuseChildrenEffects(returnFiber : Fiber, firstChild : Fiber) {
let child = firstChild;
do {
Ensure that the first and last effect of the parent corresponds
to the children's first and last effect.
if (!returnFiber.firstEffect) {
returnFiber.firstEffect = child.firstEffect;
}
if (child.lastEffect) {
if (returnFiber.lastEffect) {
returnFiber.lastEffect.nextEffect = child.firstEffect;
}
returnFiber.lastEffect = child.lastEffect;
}
} while (child = child.sibling);
}