Function unbatchedUpdates

lib/assets/react-source/development/react.js:25592–25607

(fn, a)

	  }
	}
	function unbatchedUpdates(fn, a) {
	  var prevExecutionContext = executionContext;
	  executionContext &= ~BatchedContext;
	  executionContext |= LegacyUnbatchedContext;

	  try {
	    return fn(a);
	  } finally {
	    executionContext = prevExecutionContext;

	    if (executionContext === NoContext) {
	      // Flush the immediate callbacks that were scheduled during this batch
	      flushSyncCallbackQueue();
	    }
	  }
	}
	function flushSync(fn, a) {
	  if ((executionContext & (RenderContext | CommitContext)) !== NoContext) {
	    {