Called by the Router to instantiate a new component during the commit phase of a navigation.
This method in turn is responsible for calling the routerOnActivate hook of its child.
Source
Future<dynamic> activate(ComponentInstruction nextInstruction) {
var previousInstruction = this._currentInstruction;
this._currentInstruction = nextInstruction;
var componentType = nextInstruction.componentType;
var childRouter = this._parentRouter.childRouter(componentType);
var providers = new Map<dynamic, dynamic>();
providers[RouteData] = nextInstruction.routeData;
providers[RouteParams] = new RouteParams(nextInstruction.params);
providers[router_mod.Router] = childRouter;
var injector =
new MapInjector(this._viewContainerRef.parentInjector, providers);
Future<ComponentFactory> componentFactoryPromise;
if (componentType is ComponentFactory) {
componentFactoryPromise = new Future.value(componentType);
} else {
componentFactoryPromise = this._loader.resolveComponent(componentType);
}
this._componentRef = componentFactoryPromise.then((componentFactory) =>
this._viewContainerRef.createComponent(componentFactory, 0, injector));
return this._componentRef.then((componentRef) {
this.activateEvents.emit(componentRef.instance);
if (hasLifecycleHook(hook_mod.routerOnActivate, componentRef.instance)) {
return ((componentRef.instance as OnActivate))
.routerOnActivate(nextInstruction, previousInstruction);
} else {
return componentRef;
}
});
}