Function ReactFiberScheduler

code/composition/public/app.js:12821–14155

(config)

}

var ReactFiberScheduler = function (config) {
  var stack = ReactFiberStack();
  var hostContext = ReactFiberHostContext(config, stack);
  var legacyContext = ReactFiberLegacyContext(stack);
  var newContext = ReactFiberNewContext(stack);
  var popHostContext = hostContext.popHostContext,
      popHostContainer = hostContext.popHostContainer;
  var popTopLevelLegacyContextObject = legacyContext.popTopLevelContextObject,
      popLegacyContextProvider = legacyContext.popContextProvider;
  var popProvider = newContext.popProvider;

  var hydrationContext = ReactFiberHydrationContext(config);

  var _ReactFiberBeginWork = ReactFiberBeginWork(config, hostContext, legacyContext, newContext, hydrationContext, scheduleWork, computeExpirationForFiber),
      beginWork = _ReactFiberBeginWork.beginWork;

  var _ReactFiberCompleteWo = ReactFiberCompleteWork(config, hostContext, legacyContext, newContext, hydrationContext),
      completeWork = _ReactFiberCompleteWo.completeWork;

  var _ReactFiberUnwindWork = ReactFiberUnwindWork(hostContext, legacyContext, newContext, scheduleWork, isAlreadyFailedLegacyErrorBoundary),
      throwException = _ReactFiberUnwindWork.throwException,
      unwindWork = _ReactFiberUnwindWork.unwindWork,
      unwindInterruptedWork = _ReactFiberUnwindWork.unwindInterruptedWork;

  var _ReactFiberCommitWork = ReactFiberCommitWork(config, onCommitPhaseError, scheduleWork, computeExpirationForFiber, markLegacyErrorBoundaryAsFailed, recalculateCurrentTime),
      commitResetTextContent = _ReactFiberCommitWork.commitResetTextContent,
      commitPlacement = _ReactFiberCommitWork.commitPlacement,
      commitDeletion = _ReactFiberCommitWork.commitDeletion,
      commitWork = _ReactFiberCommitWork.commitWork,
      commitLifeCycles = _ReactFiberCommitWork.commitLifeCycles,
      commitErrorLogging = _ReactFiberCommitWork.commitErrorLogging,
      commitAttachRef = _ReactFiberCommitWork.commitAttachRef,
      commitDetachRef = _ReactFiberCommitWork.commitDetachRef;

  var now = config.now,
      scheduleDeferredCallback = config.scheduleDeferredCallback,
      cancelDeferredCallback = config.cancelDeferredCallback,
      prepareForCommit = config.prepareForCommit,
      resetAfterCommit = config.resetAfterCommit;

  // Represents the current time in ms.

  var originalStartTimeMs = now();
  var mostRecentCurrentTime = msToExpirationTime(0);
  var mostRecentCurrentTimeMs = originalStartTimeMs;

  // Used to ensure computeUniqueAsyncExpiration is monotonically increases.
  var lastUniqueAsyncExpiration = 0;

  // Represents the expiration time that incoming updates should use. (If this
  // is NoWork, use the default strategy: async updates in async mode, sync
  // updates in sync mode.)
  var expirationContext = NoWork;

  var isWorking = false;

  // The next work in progress fiber that we're currently working on.
  var nextUnitOfWork = null;