nl_tokens: TODO : Batching should be implemented at the renderer level not inside the reconciler .
pl_tokens: function batchedUpdates ( fn , a ) { var previousIsBatchingUpdates = isBatchingUpdates ; isBatchingUpdates = true ; <mask> { return fn ( a ) ; } finally { isBatchingUpdates = previousIsBatchingUpdates ; if ( ! isBatchingUpdates && ! isRendering ) { performWork ( Sync , null ) ; } } }