Function getHostSibling

docs/external/js/react-dom.development.js:20372–20418

(fiber)

  }

  function getHostSibling(fiber) {
    // We're going to search forward into the tree until we find a sibling host
    // node. Unfortunately, if multiple insertions are done in a row we have to
    // search past them. This leads to exponential search for the next sibling.
    // TODO: Find a more efficient way to do this.
    var node = fiber;

    siblings: while (true) {
      // If we didn't find anything, let's try the next sibling.
      while (node.sibling === null) {
        if (node.return === null || isHostParent(node.return)) {
          // If we pop out of the root or hit the parent the fiber we are the
          // last sibling.
          return null;
        }

        node = node.return;
      }

      node.sibling.return = node.return;
      node = node.sibling;

      while (node.tag !== HostComponent && node.tag !== HostText && node.tag !== DehydratedFragment) {
        // If it is not host node and, we might have a host node inside it.
        // Try to search down until we find one.
        if (node.effectTag & Placement) {
          // If we don't have a child, try the siblings instead.
          continue siblings;
        } // If we don't have a child, try the siblings instead.
        // We also skip portals because they are not part of this host tree.


        if (node.child === null || node.tag === HostPortal) {
          continue siblings;
        } else {
          node.child.return = node;
          node = node.child;
        }
      } // Check if this host node is stable or about to be placed.


      if (!(node.effectTag & Placement)) {
        // Found it!
        return node.stateNode;
      }
    }
  }

  function commitPlacement(finishedWork) {