Function deleteChild

docs/external/js/react-dom.development.js:13573–13595

(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) {