Function commitPlacement

docs/external/js/react-dom.development.js:20420–20473

(finishedWork)

  }

  function commitPlacement(finishedWork) {


    var parentFiber = getHostParentFiber(finishedWork); // Note: these two variables *must* always be updated together.

    var parent;
    var isContainer;
    var parentStateNode = parentFiber.stateNode;

    switch (parentFiber.tag) {
      case HostComponent:
        parent = parentStateNode;
        isContainer = false;
        break;

      case HostRoot:
        parent = parentStateNode.containerInfo;
        isContainer = true;
        break;

      case HostPortal:
        parent = parentStateNode.containerInfo;
        isContainer = true;
        break;

      case FundamentalComponent:

      // eslint-disable-next-line-no-fallthrough

      default:
        {
          {
            throw Error( "Invalid host parent fiber. This error is likely caused by a bug in React. Please file an issue." );
          }
        }

    }

    if (parentFiber.effectTag & ContentReset) {
      // Reset the text content of the parent before doing any insertions
      resetTextContent(parent); // Clear ContentReset from the effect tag

      parentFiber.effectTag &= ~ContentReset;
    }

    var before = getHostSibling(finishedWork); // We only have the top Fiber that was inserted but we need to recurse down its
    // children to find all the terminal nodes.

    if (isContainer) {
      insertOrAppendPlacementNodeIntoContainer(finishedWork, before, parent);
    } else {
      insertOrAppendPlacementNode(finishedWork, before, parent);
    }
  }

  function insertOrAppendPlacementNodeIntoContainer(node, before, parent) {
    var tag = node.tag;