Function track

docs/external/js/react-dom.development.js:1882–1889

(node)

  }

  function track(node) {
    if (getTracker(node)) {
      return;
    } // TODO: Once it's just Fiber we can move this to node._wrapperState


    node._valueTracker = trackValueOnNode(node);
  }
  function updateValueIfChanged(node) {
    if (!node) {
      return false;