Function callComponentWillMount

code/event-handlers/public/app.js:7774–7793

(workInProgress, instance)

  }

  function callComponentWillMount(workInProgress, instance) {
    startPhaseTimer(workInProgress, 'componentWillMount');
    var oldState = instance.state;

    if (typeof instance.componentWillMount === 'function') {
      instance.componentWillMount();
    }
    if (typeof instance.UNSAFE_componentWillMount === 'function') {
      instance.UNSAFE_componentWillMount();
    }

    stopPhaseTimer();

    if (oldState !== instance.state) {
      {
        warning(false, '%s.componentWillMount(): Assigning directly to this.state is ' + "deprecated (except inside a component's " + 'constructor). Use setState instead.', getComponentName(workInProgress) || 'Component');
      }
      updater.enqueueReplaceState(instance, instance.state, null);
    }
  }

  function callComponentWillReceiveProps(workInProgress, instance, newProps, newContext) {
    var oldState = instance.state;