Function commitAttachRef

dash/deps/react-dom@18.2.0.js:23633–23678

(finishedWork)

  }

  function commitAttachRef(finishedWork) {
    var ref = finishedWork.ref;

    if (ref !== null) {
      var instance = finishedWork.stateNode;
      var instanceToUse;

      switch (finishedWork.tag) {
        case HostComponent:
          instanceToUse = getPublicInstance(instance);
          break;

        default:
          instanceToUse = instance;
      } // Moved outside to ensure DCE works with this flag

      if (typeof ref === 'function') {
        var retVal;

        if ( finishedWork.mode & ProfileMode) {
          try {
            startLayoutEffectTimer();
            retVal = ref(instanceToUse);
          } finally {
            recordLayoutEffectDuration(finishedWork);
          }
        } else {
          retVal = ref(instanceToUse);
        }

        {
          if (typeof retVal === 'function') {
            error('Unexpected return value from a callback ref in %s. ' + 'A callback ref should not return a function.', getComponentNameFromFiber(finishedWork));
          }
        }
      } else {
        {
          if (!ref.hasOwnProperty('current')) {
            error('Unexpected ref object provided for %s. ' + 'Use either a ref-setter function or React.createRef().', getComponentNameFromFiber(finishedWork));
          }
        }

        ref.current = instanceToUse;
      }
    }
  }

  function detachFiberMutation(fiber) {
    // Cut off the return pointer to disconnect it from the tree.