Function findCurrentHostFiber

docs/external/js/react-dom.development.js:3246–3284

(parent)

    return alternate;
  }
  function findCurrentHostFiber(parent) {
    var currentParent = findCurrentFiberUsingSlowPath(parent);

    if (!currentParent) {
      return null;
    } // Next we'll drill down this component to find the first HostComponent/Text.


    var node = currentParent;

    while (true) {
      if (node.tag === HostComponent || node.tag === HostText) {
        return node;
      } else if (node.child) {
        node.child.return = node;
        node = node.child;
        continue;
      }

      if (node === currentParent) {
        return null;
      }

      while (!node.sibling) {
        if (!node.return || node.return === currentParent) {
          return null;
        }

        node = node.return;
      }

      node.sibling.return = node.return;
      node = node.sibling;
    } // Flow needs the return null here, but ESLint complains about it.
    // eslint-disable-next-line no-unreachable


    return null;
  }
  function findCurrentHostFiberWithNoPortals(parent) {
    var currentParent = findCurrentFiberUsingSlowPath(parent);