Function commitPlacement

code/styling/public/app.js:11657–11725

(finishedWork)

  }

  function commitPlacement(finishedWork) {
    // Recursively insert all host nodes into the parent.
    var parentFiber = getHostParentFiber(finishedWork);
    var parent = void 0;
    var isContainer = void 0;
    switch (parentFiber.tag) {
      case HostComponent:
        parent = parentFiber.stateNode;
        isContainer = false;
        break;
      case HostRoot:
        parent = parentFiber.stateNode.containerInfo;
        isContainer = true;
        break;
      case HostPortal:
        parent = parentFiber.stateNode.containerInfo;
        isContainer = true;
        break;
      default:
        invariant(false, '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 recurse down its
    // children to find all the terminal nodes.
    var node = finishedWork;
    while (true) {
      if (node.tag === HostComponent || node.tag === HostText) {
        if (before) {
          if (isContainer) {
            insertInContainerBefore(parent, node.stateNode, before);
          } else {
            insertBefore(parent, node.stateNode, before);
          }
        } else {
          if (isContainer) {
            appendChildToContainer(parent, node.stateNode);
          } else {
            appendChild(parent, node.stateNode);
          }
        }
      } else if (node.tag === HostPortal) {
        // If the insertion itself is a portal, then we don't want to traverse
        // down its children. Instead, we'll get insertions from each child in
        // the portal directly.
      } else if (node.child !== null) {
        node.child['return'] = node;
        node = node.child;
        continue;
      }
      if (node === finishedWork) {
        return;