Function beginWork

bundle.js:7473–7477

(current,workInProgress,priorityLevel)

function memoizeProps(workInProgress,nextProps){workInProgress.memoizedProps=nextProps;}function memoizeState(workInProgress,nextState){workInProgress.memoizedState=nextState;// Don't reset the updateQueue, in case there are pending updates. Resetting
// is handled by beginUpdateQueue.
}function beginWork(current,workInProgress,priorityLevel){if(workInProgress.pendingWorkPriority===NoWork$3||workInProgress.pendingWorkPriority>priorityLevel){return bailoutOnLowPriority(current,workInProgress);}{ReactDebugCurrentFiber$4.setCurrentFiber(workInProgress,null);}switch(workInProgress.tag){case IndeterminateComponent$2:return mountIndeterminateComponent(current,workInProgress,priorityLevel);case FunctionalComponent$1:return updateFunctionalComponent(current,workInProgress);case ClassComponent$6:return updateClassComponent(current,workInProgress,priorityLevel);case HostRoot$7:return updateHostRoot(current,workInProgress,priorityLevel);case HostComponent$7:return updateHostComponent(current,workInProgress,priorityLevel);case HostText$4:return updateHostText(current,workInProgress);case CoroutineHandlerPhase:// This is a restart. Reset the tag to the initial phase.
workInProgress.tag=CoroutineComponent$1;// Intentionally fall through since this is now the same.
case CoroutineComponent$1:return updateCoroutineComponent(current,workInProgress);case YieldComponent$2:// A yield component is just a placeholder, we can just run through the
// next one immediately.
return null;case HostPortal$4:return updatePortalComponent(current,workInProgress);case Fragment$2:return updateFragment(current,workInProgress);default:invariant(false,'Unknown unit of work tag. This error is likely caused by a bug in React. Please file an issue.');}}function beginFailedWork(current,workInProgress,priorityLevel){// Push context providers here to avoid a push/pop context mismatch.
switch(workInProgress.tag){case ClassComponent$6:pushContextProvider$1(workInProgress);break;case HostRoot$7:pushHostRootContext(workInProgress);break;default:invariant(false,'Invalid type of work. This error is likely caused by a bug in React. Please file an issue.');}// Add an error effect so we can handle the error during the commit phase
workInProgress.effectTag|=Err$1;// This is a weird case where we do "resume" work — work that failed on
// our first attempt. Because we no longer have a notion of "progressed