Function commitDeletion

docs/external/js/react-dom.development.js:20631–20639

(finishedRoot, current, renderPriorityLevel)

  }

  function commitDeletion(finishedRoot, current, renderPriorityLevel) {
    {
      // Recursively delete all host nodes from the parent.
      // Detach refs and call componentWillUnmount() on the whole subtree.
      unmountHostComponents(finishedRoot, current, renderPriorityLevel);
    }

    detachFiber(current);
  }

  function commitWork(current, finishedWork) {