Function updateFunctionalComponent

bundle.js:7366–7371

(current,workInProgress)

// we don't do the bailout and we have to reuse existing props instead.
if(nextChildren===null){nextChildren=workInProgress.memoizedProps;}}else if(nextChildren===null||workInProgress.memoizedProps===nextChildren){return bailoutOnAlreadyFinishedWork(current,workInProgress);}reconcileChildren(current,workInProgress,nextChildren);memoizeProps(workInProgress,nextChildren);return workInProgress.child;}function markRef(current,workInProgress){var ref=workInProgress.ref;if(ref!==null&&(!current||current.ref!==ref)){// Schedule a Ref effect
workInProgress.effectTag|=Ref$1;}}function updateFunctionalComponent(current,workInProgress){var fn=workInProgress.type;var nextProps=workInProgress.pendingProps;var memoizedProps=workInProgress.memoizedProps;if(hasContextChanged$1()){// Normally we can bail out on props equality but if context has changed
// we don't do the bailout and we have to reuse existing props instead.
if(nextProps===null){nextProps=memoizedProps;}}else{if(nextProps===null||memoizedProps===nextProps){return bailoutOnAlreadyFinishedWork(current,workInProgress);}// TODO: consider bringing fn.shouldComponentUpdate() back.
// It used to be here.
}var unmaskedContext=getUnmaskedContext$1(workInProgress);var context=getMaskedContext$1(workInProgress,unmaskedContext);var nextChildren;{ReactCurrentOwner$2.current=workInProgress;ReactDebugCurrentFiber$4.setCurrentFiber(workInProgress,'render');nextChildren=fn(nextProps,context);ReactDebugCurrentFiber$4.setCurrentFiber(workInProgress,null);}// React DevTools reads this flag.
workInProgress.effectTag|=PerformedWork$1;reconcileChildren(current,workInProgress,nextChildren);memoizeProps(workInProgress,nextProps);return workInProgress.child;}function updateClassComponent(current,workInProgress,priorityLevel){// Push context providers early to prevent context stack mismatches.
// During mounting we don't know the child context yet as the instance doesn't exist.
// We will invalidate the child context in finishClassComponent() right after rendering.
var hasContext=pushContextProvider$1(workInProgress);var shouldUpdate=void 0;if(current===null){if(!workInProgress.stateNode){// In the initial pass we might need to construct the instance.