Function scheduleRootUpdate

code/new-context-api/public/app.js:13425–13451

(current, element, currentTime, expirationTime, callback)

  }

  function scheduleRootUpdate(current, element, currentTime, expirationTime, callback) {
    {
      if (ReactDebugCurrentFiber.phase === 'render' && ReactDebugCurrentFiber.current !== null && !didWarnAboutNestedUpdates) {
        didWarnAboutNestedUpdates = true;
        warning(false, 'Render methods should be a pure function of props and state; ' + 'triggering nested component updates from render is not allowed. ' + 'If necessary, trigger nested updates in componentDidUpdate.\n\n' + 'Check the render method of %s.', getComponentName(ReactDebugCurrentFiber.current) || 'Unknown');
      }
    }

    callback = callback === undefined ? null : callback;
    {
      warning(callback === null || typeof callback === 'function', 'render(...): Expected the last optional `callback` argument to be a ' + 'function. Instead received: %s.', callback);
    }

    var update = {
      expirationTime: expirationTime,
      partialState: { element: element },
      callback: callback,
      isReplace: false,
      isForced: false,
      capturedValue: null,
      next: null
    };
    insertUpdateIntoFiber(current, update);
    scheduleWork(current, expirationTime);

    return expirationTime;
  }

  function updateContainerAtExpirationTime(element, container, parentComponent, currentTime, expirationTime, callback) {
    // TODO: If this is a nested container, this won't be the root.