Function deleteChild

lib/assets/react-source/development/react.js:17133–17155

(returnFiber, childToDelete)

	function ChildReconciler(shouldTrackSideEffects) {
	  function deleteChild(returnFiber, childToDelete) {
	    if (!shouldTrackSideEffects) {
	      // Noop.
	      return;
	    } // Deletions are added in reversed order so we add it to the front.
	    // At this point, the return fiber's effect list is empty except for
	    // deletions, so we can just append the deletion to the list. The remaining
	    // effects aren't added until the complete phase. Once we implement
	    // resuming, this may not be true.


	    var last = returnFiber.lastEffect;

	    if (last !== null) {
	      last.nextEffect = childToDelete;
	      returnFiber.lastEffect = childToDelete;
	    } else {
	      returnFiber.firstEffect = returnFiber.lastEffect = childToDelete;
	    }

	    childToDelete.nextEffect = null;
	    childToDelete.effectTag = Deletion;
	  }

	  function deleteRemainingChildren(returnFiber, currentFirstChild) {
	    if (!shouldTrackSideEffects) {