Function cloneChildFibers

lib/assets/react-source/development/react.js:18059–18082

(current, workInProgress)

	var reconcileChildFibers = ChildReconciler(true);
	var mountChildFibers = ChildReconciler(false);
	function cloneChildFibers(current, workInProgress) {
	  if (!(current === null || workInProgress.child === current.child)) {
	    {
	      throw Error( "Resuming work not yet implemented." );
	    }
	  }

	  if (workInProgress.child === null) {
	    return;
	  }

	  var currentChild = workInProgress.child;
	  var newChild = createWorkInProgress(currentChild, currentChild.pendingProps);
	  workInProgress.child = newChild;
	  newChild.return = workInProgress;

	  while (currentChild.sibling !== null) {
	    currentChild = currentChild.sibling;
	    newChild = newChild.sibling = createWorkInProgress(currentChild, currentChild.pendingProps);
	    newChild.return = workInProgress;
	  }

	  newChild.sibling = null;
	} // Reset a workInProgress child set to prepare it for a second pass.

	function resetChildFibers(workInProgress, renderExpirationTime) {
	  var child = workInProgress.child;