Router Fixes (#10579)

* fix(router): copy over data during data resolution
* fix(router): components instantiated in lazy-loaded modules should use location's injector

modules/@angular/router/src/directives/router_outlet.ts

@@ -104,7 +104,6 @@ export class RouterOutlet implements OnDestroy {
     }
 
     const injector = loadedInjector ? loadedInjector : this.location.parentInjector;
-
     const inj = ReflectiveInjector.fromResolvedProviders(providers, injector);
     this.activated = this.location.createComponent(factory, this.location.length, inj, []);
     this.activated.changeDetectorRef.detectChanges();

modules/@angular/router/src/router.ts

@@ -447,7 +447,6 @@ export class Router {
 
 class CanActivate {
   constructor(public path: ActivatedRouteSnapshot[]) {}
-
   get route(): ActivatedRouteSnapshot { return this.path[this.path.length - 1]; }
 }
 
@@ -456,7 +455,7 @@ class CanDeactivate {
 }
 
 
-class PreActivation {
+export class PreActivation {
   private checks: Array<CanActivate|CanDeactivate> = [];
   constructor(
       private future: RouterStateSnapshot, private curr: RouterStateSnapshot,
@@ -504,6 +503,7 @@ class PreActivation {
       futureNode: TreeNode<ActivatedRouteSnapshot>, currNode: TreeNode<ActivatedRouteSnapshot>,
       outletMap: RouterOutletMap, futurePath: ActivatedRouteSnapshot[]): void {
     const prevChildren: {[key: string]: any} = nodeChildrenAsMap(currNode);
+
     futureNode.children.forEach(c => {
       this.traverseRoutes(c, prevChildren[c.value.outlet], outletMap, futurePath.concat([c.value]));
       delete prevChildren[c.value.outlet];
@@ -524,6 +524,9 @@ class PreActivation {
     if (curr && future._routeConfig === curr._routeConfig) {
       if (!shallowEqual(future.params, curr.params)) {
         this.checks.push(new CanDeactivate(outlet.component, curr), new CanActivate(futurePath));
+      } else {
+        // we need to set the data
+        future.data = curr.data;
       }
 
       // If we have a component, we need to go through an outlet.
@@ -578,7 +581,7 @@ class PreActivation {
     const canActivate = future._routeConfig ? future._routeConfig.canActivate : null;
     if (!canActivate || canActivate.length === 0) return of (true);
     const obs = from(canActivate).map(c => {
-      const guard = this.getToken(c, future, this.future);
+      const guard = this.getToken(c, future);
       if (guard.canActivate) {
         return wrapIntoObservable(guard.canActivate(future, this.future));
       } else {
@@ -598,7 +601,7 @@ class PreActivation {
 
     return andObservables(from(canActivateChildGuards).map(d => {
       const obs = from(d.guards).map(c => {
-        const guard = this.getToken(c, c.node, this.future);
+        const guard = this.getToken(c, c.node);
         if (guard.canActivateChild) {
           return wrapIntoObservable(guard.canActivateChild(future, this.future));
         } else {
@@ -621,7 +624,7 @@ class PreActivation {
     if (!canDeactivate || canDeactivate.length === 0) return of (true);
     return from(canDeactivate)
         .map(c => {
-          const guard = this.getToken(c, curr, this.curr);
+          const guard = this.getToken(c, curr);
           if (guard.canDeactivate) {
             return wrapIntoObservable(guard.canDeactivate(component, curr, this.curr));
           } else {
@@ -643,14 +646,14 @@ class PreActivation {
 
   private resolveNode(resolve: ResolveData, future: ActivatedRouteSnapshot): Observable<any> {
     return waitForMap(resolve, (k, v) => {
-      const resolver = this.getToken(v, future, this.future);
+      const resolver = this.getToken(v, future);
       return resolver.resolve ? wrapIntoObservable(resolver.resolve(future, this.future)) :
                                 wrapIntoObservable(resolver(future, this.future));
     });
   }
 
-  private getToken(token: any, snapshot: ActivatedRouteSnapshot, state: RouterStateSnapshot): any {
-    const config = closestLoadedConfig(state, snapshot);
+  private getToken(token: any, snapshot: ActivatedRouteSnapshot): any {
+    const config = closestLoadedConfig(snapshot);
     const injector = config ? config.injector : this.injector;
     return injector.get(token);
   }
@@ -736,7 +739,8 @@ class ActivateRoutes {
       useValue: outletMap
     }];
 
-    const config = closestLoadedConfig(this.futureState.snapshot, future.snapshot);
+    const config = parentLoadedConfig(future.snapshot);
+
     let loadedFactoryResolver: ComponentFactoryResolver = null;
     let loadedInjector: Injector = null;
 
@@ -744,8 +748,7 @@ class ActivateRoutes {
       loadedFactoryResolver = config.factoryResolver;
       loadedInjector = config.injector;
       resolved.push({provide: ComponentFactoryResolver, useValue: loadedFactoryResolver});
-    };
-
+    }
     outlet.activate(
         future, loadedFactoryResolver, loadedInjector, ReflectiveInjector.resolve(resolved),
         outletMap);
@@ -763,13 +766,27 @@ class ActivateRoutes {
   }
 }
 
-function closestLoadedConfig(
-    state: RouterStateSnapshot, snapshot: ActivatedRouteSnapshot): LoadedRouterConfig {
-  const b = state.pathFromRoot(snapshot).filter(s => {
-    const config = (<any>s)._routeConfig;
-    return config && config._loadedConfig && s !== snapshot;
-  });
-  return b.length > 0 ? (<any>b[b.length - 1])._routeConfig._loadedConfig : null;
+function parentLoadedConfig(snapshot: ActivatedRouteSnapshot): LoadedRouterConfig {
+  let s = snapshot.parent;
+  while (s) {
+    const c: any = s._routeConfig;
+    if (c && c._loadedConfig) return c._loadedConfig;
+    if (c && c.component) return null;
+    s = s.parent;
+  }
+  return null;
+}
+
+function closestLoadedConfig(snapshot: ActivatedRouteSnapshot): LoadedRouterConfig {
+  if (!snapshot) return null;
+
+  let s = snapshot.parent;
+  while (s) {
+    const c: any = s._routeConfig;
+    if (c && c._loadedConfig) return c._loadedConfig;
+    s = s.parent;
+  }
+  return null;
 }
 
 function nodeChildrenAsMap(node: TreeNode<any>) {

modules/@angular/router/src/router_state.ts

@@ -70,7 +70,8 @@ export function createEmptyState(urlTree: UrlTree, rootComponent: Type): RouterS
   return new RouterState(new TreeNode<ActivatedRoute>(activated, []), snapshot);
 }
 
-function createEmptyStateSnapshot(urlTree: UrlTree, rootComponent: Type): RouterStateSnapshot {
+export function createEmptyStateSnapshot(
+    urlTree: UrlTree, rootComponent: Type): RouterStateSnapshot {
   const emptyParams = {};
   const emptyData = {};
   const emptyQueryParams = {};

modules/@angular/router/tsconfig.json

@@ -34,6 +34,7 @@
     "test/config.spec.ts",
     "test/router_state.spec.ts",
     "test/router.spec.ts",
+    "test/integration.spec.ts",
     "../../../node_modules/@types/jasmine/index.d.ts"
   ]
 }