Function commitMutationEffects

docs/external/js/react-dom.development.js:22844–22927

(root, renderPriorityLevel)

  }

  function commitMutationEffects(root, renderPriorityLevel) {
    // TODO: Should probably move the bulk of this function to commitWork.
    while (nextEffect !== null) {
      setCurrentFiber(nextEffect);
      var effectTag = nextEffect.effectTag;

      if (effectTag & ContentReset) {
        commitResetTextContent(nextEffect);
      }

      if (effectTag & Ref) {
        var current = nextEffect.alternate;

        if (current !== null) {
          commitDetachRef(current);
        }
      } // The following switch statement is only concerned about placement,
      // updates, and deletions. To avoid needing to add a case for every possible
      // bitmap value, we remove the secondary effects from the effect tag and
      // switch on that value.


      var primaryEffectTag = effectTag & (Placement | Update | Deletion | Hydrating);

      switch (primaryEffectTag) {
        case Placement:
          {
            commitPlacement(nextEffect); // Clear the "placement" from effect tag so that we know that this is
            // inserted, before any life-cycles like componentDidMount gets called.
            // TODO: findDOMNode doesn't rely on this any more but isMounted does
            // and isMounted is deprecated anyway so we should be able to kill this.

            nextEffect.effectTag &= ~Placement;
            break;
          }

        case PlacementAndUpdate:
          {
            // Placement
            commitPlacement(nextEffect); // Clear the "placement" from effect tag so that we know that this is
            // inserted, before any life-cycles like componentDidMount gets called.

            nextEffect.effectTag &= ~Placement; // Update

            var _current = nextEffect.alternate;
            commitWork(_current, nextEffect);
            break;
          }

        case Hydrating:
          {
            nextEffect.effectTag &= ~Hydrating;
            break;
          }

        case HydratingAndUpdate:
          {
            nextEffect.effectTag &= ~Hydrating; // Update