2016-06-21 12:17:30 -07:00

342 lines
52 KiB
JavaScript

"use strict";
var core_1 = require('@angular/core');
var router_outlet_map_1 = require('./router_outlet_map');
var recognize_1 = require('./recognize');
var resolve_1 = require('./resolve');
var create_router_state_1 = require('./create_router_state');
var url_tree_1 = require('./url_tree');
var shared_1 = require('./shared');
var router_state_1 = require('./router_state');
var create_url_tree_1 = require('./create_url_tree');
var collection_1 = require('./utils/collection');
var Subject_1 = require('rxjs/Subject');
require('rxjs/add/operator/map');
require('rxjs/add/operator/scan');
require('rxjs/add/operator/mergeMap');
require('rxjs/add/operator/concat');
require('rxjs/add/operator/concatMap');
var of_1 = require('rxjs/observable/of');
var forkJoin_1 = require('rxjs/observable/forkJoin');
var NavigationStart = (function () {
function NavigationStart(id, url) {
this.id = id;
this.url = url;
}
return NavigationStart;
}());
exports.NavigationStart = NavigationStart;
var NavigationEnd = (function () {
function NavigationEnd(id, url) {
this.id = id;
this.url = url;
}
return NavigationEnd;
}());
exports.NavigationEnd = NavigationEnd;
var NavigationCancel = (function () {
function NavigationCancel(id, url) {
this.id = id;
this.url = url;
}
return NavigationCancel;
}());
exports.NavigationCancel = NavigationCancel;
var NavigationError = (function () {
function NavigationError(id, url, error) {
this.id = id;
this.url = url;
this.error = error;
}
return NavigationError;
}());
exports.NavigationError = NavigationError;
var Router = (function () {
function Router(rootComponentType, resolver, urlSerializer, outletMap, location, injector) {
this.rootComponentType = rootComponentType;
this.resolver = resolver;
this.urlSerializer = urlSerializer;
this.outletMap = outletMap;
this.location = location;
this.injector = injector;
this.navigationId = 0;
this.routerEvents = new Subject_1.Subject();
this.currentUrlTree = url_tree_1.createEmptyUrlTree();
this.currentRouterState = router_state_1.createEmptyState(rootComponentType);
this.setUpLocationChangeListener();
this.navigateByUrl(this.location.path());
}
Object.defineProperty(Router.prototype, "routerState", {
get: function () {
return this.currentRouterState;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Router.prototype, "urlTree", {
get: function () {
return this.currentUrlTree;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Router.prototype, "events", {
get: function () {
return this.routerEvents;
},
enumerable: true,
configurable: true
});
Router.prototype.navigateByUrl = function (url) {
var urlTree = this.urlSerializer.parse(url);
return this.scheduleNavigation(urlTree, false);
};
Router.prototype.resetConfig = function (config) {
this.config = config;
};
Router.prototype.dispose = function () { this.locationSubscription.unsubscribe(); };
Router.prototype.createUrlTree = function (commands, _a) {
var _b = _a === void 0 ? {} : _a, relativeTo = _b.relativeTo, queryParameters = _b.queryParameters, fragment = _b.fragment;
var a = relativeTo ? relativeTo : this.routerState.root;
return create_url_tree_1.createUrlTree(a, this.currentUrlTree, commands, queryParameters, fragment);
};
Router.prototype.navigate = function (commands, extras) {
if (extras === void 0) { extras = {}; }
return this.scheduleNavigation(this.createUrlTree(commands, extras), false);
};
Router.prototype.serializeUrl = function (url) { return this.urlSerializer.serialize(url); };
Router.prototype.parseUrl = function (url) { return this.urlSerializer.parse(url); };
Router.prototype.scheduleNavigation = function (url, pop) {
var _this = this;
var id = ++this.navigationId;
this.routerEvents.next(new NavigationStart(id, url));
return Promise.resolve().then(function (_) { return _this.runNavigate(url, false, id); });
};
Router.prototype.setUpLocationChangeListener = function () {
var _this = this;
this.locationSubscription = this.location.subscribe(function (change) {
return _this.scheduleNavigation(_this.urlSerializer.parse(change['url']), change['pop']);
});
};
Router.prototype.runNavigate = function (url, pop, id) {
var _this = this;
if (id !== this.navigationId) {
this.routerEvents.next(new NavigationCancel(id, url));
return Promise.resolve(false);
}
return new Promise(function (resolvePromise, rejectPromise) {
var state;
recognize_1.recognize(_this.rootComponentType, _this.config, url).mergeMap(function (newRouterStateSnapshot) {
return resolve_1.resolve(_this.resolver, newRouterStateSnapshot);
}).map(function (routerStateSnapshot) {
return create_router_state_1.createRouterState(routerStateSnapshot, _this.currentRouterState);
}).map(function (newState) {
state = newState;
}).mergeMap(function (_) {
return new GuardChecks(state.snapshot, _this.currentRouterState.snapshot, _this.injector).check(_this.outletMap);
}).forEach(function (shouldActivate) {
if (!shouldActivate || id !== _this.navigationId) {
_this.routerEvents.next(new NavigationCancel(id, url));
return Promise.resolve(false);
}
new ActivateRoutes(state, _this.currentRouterState).activate(_this.outletMap);
_this.currentUrlTree = url;
_this.currentRouterState = state;
if (!pop) {
_this.location.go(_this.urlSerializer.serialize(url));
}
}).then(function () {
_this.routerEvents.next(new NavigationEnd(id, url));
resolvePromise(true);
}, function (e) {
_this.routerEvents.next(new NavigationError(id, url, e));
rejectPromise(e);
});
});
};
return Router;
}());
exports.Router = Router;
var CanActivate = (function () {
function CanActivate(route) {
this.route = route;
}
return CanActivate;
}());
var CanDeactivate = (function () {
function CanDeactivate(component, route) {
this.component = component;
this.route = route;
}
return CanDeactivate;
}());
var GuardChecks = (function () {
function GuardChecks(future, curr, injector) {
this.future = future;
this.curr = curr;
this.injector = injector;
this.checks = [];
}
GuardChecks.prototype.check = function (parentOutletMap) {
var _this = this;
var futureRoot = this.future._root;
var currRoot = this.curr ? this.curr._root : null;
this.traverseChildRoutes(futureRoot, currRoot, parentOutletMap);
if (this.checks.length === 0)
return of_1.of(true);
return forkJoin_1.forkJoin(this.checks.map(function (s) {
if (s instanceof CanActivate) {
return _this.runCanActivate(s.route);
}
else if (s instanceof CanDeactivate) {
return _this.runCanDeactivate(s.component, s.route);
}
else {
throw new Error("Cannot be reached");
}
})).map(collection_1.and);
};
GuardChecks.prototype.traverseChildRoutes = function (futureNode, currNode, outletMap) {
var _this = this;
var prevChildren = nodeChildrenAsMap(currNode);
futureNode.children.forEach(function (c) {
_this.traverseRoutes(c, prevChildren[c.value.outlet], outletMap);
delete prevChildren[c.value.outlet];
});
collection_1.forEach(prevChildren, function (v, k) { return _this.deactivateOutletAndItChildren(v, outletMap._outlets[k]); });
};
GuardChecks.prototype.traverseRoutes = function (futureNode, currNode, parentOutletMap) {
var future = futureNode.value;
var curr = currNode ? currNode.value : null;
var outlet = parentOutletMap ? parentOutletMap._outlets[futureNode.value.outlet] : null;
if (curr && future._routeConfig === curr._routeConfig) {
if (!collection_1.shallowEqual(future.params, curr.params)) {
this.checks.push(new CanDeactivate(outlet.component, curr), new CanActivate(future));
}
this.traverseChildRoutes(futureNode, currNode, outlet ? outlet.outletMap : null);
}
else {
this.deactivateOutletAndItChildren(curr, outlet);
this.checks.push(new CanActivate(future));
this.traverseChildRoutes(futureNode, null, outlet ? outlet.outletMap : null);
}
};
GuardChecks.prototype.deactivateOutletAndItChildren = function (route, outlet) {
var _this = this;
if (outlet && outlet.isActivated) {
collection_1.forEach(outlet.outletMap._outlets, function (v, k) { return _this.deactivateOutletAndItChildren(v, outlet.outletMap._outlets[k]); });
this.checks.push(new CanDeactivate(outlet.component, route));
}
};
GuardChecks.prototype.runCanActivate = function (future) {
var _this = this;
var canActivate = future._routeConfig ? future._routeConfig.canActivate : null;
if (!canActivate || canActivate.length === 0)
return of_1.of(true);
return forkJoin_1.forkJoin(canActivate.map(function (c) {
var guard = _this.injector.get(c);
if (guard.canActivate) {
return of_1.of(guard.canActivate(future, _this.future));
}
else {
return of_1.of(guard(future, _this.future));
}
})).map(collection_1.and);
};
GuardChecks.prototype.runCanDeactivate = function (component, curr) {
var _this = this;
var canDeactivate = curr._routeConfig ? curr._routeConfig.canDeactivate : null;
if (!canDeactivate || canDeactivate.length === 0)
return of_1.of(true);
return forkJoin_1.forkJoin(canDeactivate.map(function (c) {
var guard = _this.injector.get(c);
if (guard.canDeactivate) {
return of_1.of(guard.canDeactivate(component, curr, _this.curr));
}
else {
return of_1.of(guard(component, curr, _this.curr));
}
})).map(collection_1.and);
};
return GuardChecks;
}());
var ActivateRoutes = (function () {
function ActivateRoutes(futureState, currState) {
this.futureState = futureState;
this.currState = currState;
}
ActivateRoutes.prototype.activate = function (parentOutletMap) {
var futureRoot = this.futureState._root;
var currRoot = this.currState ? this.currState._root : null;
pushQueryParamsAndFragment(this.futureState);
this.activateChildRoutes(futureRoot, currRoot, parentOutletMap);
};
ActivateRoutes.prototype.activateChildRoutes = function (futureNode, currNode, outletMap) {
var _this = this;
var prevChildren = nodeChildrenAsMap(currNode);
futureNode.children.forEach(function (c) {
_this.activateRoutes(c, prevChildren[c.value.outlet], outletMap);
delete prevChildren[c.value.outlet];
});
collection_1.forEach(prevChildren, function (v, k) { return _this.deactivateOutletAndItChildren(outletMap._outlets[k]); });
};
ActivateRoutes.prototype.activateRoutes = function (futureNode, currNode, parentOutletMap) {
var future = futureNode.value;
var curr = currNode ? currNode.value : null;
var outlet = getOutlet(parentOutletMap, futureNode.value);
if (future === curr) {
router_state_1.advanceActivatedRoute(future);
this.activateChildRoutes(futureNode, currNode, outlet.outletMap);
}
else {
this.deactivateOutletAndItChildren(outlet);
var outletMap = new router_outlet_map_1.RouterOutletMap();
this.activateNewRoutes(outletMap, future, outlet);
this.activateChildRoutes(futureNode, null, outletMap);
}
};
ActivateRoutes.prototype.activateNewRoutes = function (outletMap, future, outlet) {
var resolved = core_1.ReflectiveInjector.resolve([
{ provide: router_state_1.ActivatedRoute, useValue: future },
{ provide: router_outlet_map_1.RouterOutletMap, useValue: outletMap }
]);
outlet.activate(future._futureSnapshot._resolvedComponentFactory, resolved, outletMap);
router_state_1.advanceActivatedRoute(future);
};
ActivateRoutes.prototype.deactivateOutletAndItChildren = function (outlet) {
var _this = this;
if (outlet && outlet.isActivated) {
collection_1.forEach(outlet.outletMap._outlets, function (v, k) { return _this.deactivateOutletAndItChildren(v); });
outlet.deactivate();
}
};
return ActivateRoutes;
}());
function pushQueryParamsAndFragment(state) {
if (!collection_1.shallowEqual(state.snapshot.queryParams, state.queryParams.value)) {
state.queryParams.next(state.snapshot.queryParams);
}
if (state.snapshot.fragment !== state.fragment.value) {
state.fragment.next(state.snapshot.fragment);
}
}
function nodeChildrenAsMap(node) {
return node ?
node.children.reduce(function (m, c) {
m[c.value.outlet] = c;
return m;
}, {}) :
{};
}
function getOutlet(outletMap, route) {
var outlet = outletMap._outlets[route.outlet];
if (!outlet) {
if (route.outlet === shared_1.PRIMARY_OUTLET) {
throw new Error("Cannot find primary outlet");
}
else {
throw new Error("Cannot find the outlet " + route.outlet);
}
}
return outlet;
}
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{ ComponentResolver, ReflectiveInjector, Type, Injector } from '@angular/core';\nimport { Location } from '@angular/common';\nimport { UrlSerializer } from './url_serializer';\nimport { RouterOutletMap } from './router_outlet_map';\nimport { recognize } from './recognize';\nimport { resolve } from './resolve';\nimport { createRouterState } from './create_router_state';\nimport { TreeNode } from './utils/tree';\nimport { UrlTree, createEmptyUrlTree } from './url_tree';\nimport { PRIMARY_OUTLET, Params } from './shared';\nimport { createEmptyState, RouterState, RouterStateSnapshot, ActivatedRoute, ActivatedRouteSnapshot, advanceActivatedRoute} from './router_state';\nimport { RouterConfig } from './config';\nimport { RouterOutlet } from './directives/router_outlet';\nimport { createUrlTree } from './create_url_tree';\nimport { forEach, and, shallowEqual } from './utils/collection';\nimport { Observable } from 'rxjs/Observable';\nimport { Subscription } from 'rxjs/Subscription';\nimport { Subject } from 'rxjs/Subject';\nimport 'rxjs/add/operator/map';\nimport 'rxjs/add/operator/scan';\nimport 'rxjs/add/operator/mergeMap';\nimport 'rxjs/add/operator/concat';\nimport 'rxjs/add/operator/concatMap';\nimport {of} from 'rxjs/observable/of';\nimport {forkJoin} from 'rxjs/observable/forkJoin';\n\nexport interface NavigationExtras { relativeTo?: ActivatedRoute; queryParameters?: Params; fragment?: string; }\n\n/**\n * An event triggered when a navigation starts\n */\nexport class NavigationStart { constructor(public id:number, public url:UrlTree) {} }\n\n/**\n * An event triggered when a navigation ends successfully\n */\nexport class NavigationEnd { constructor(public id:number, public url:UrlTree) {} }\n\n/**\n * An event triggered when a navigation is canceled\n */\nexport class NavigationCancel { constructor(public id:number, public url:UrlTree) {} }\n\n/**\n * An event triggered when a navigation fails due to unexpected error\n */\nexport class NavigationError { constructor(public id:number, public url:UrlTree, public error:any) {} }\n\nexport type Event = NavigationStart | NavigationEnd | NavigationCancel | NavigationError;\n\n/**\n * The `Router` is responsible for mapping URLs to components.\n */\nexport class Router {\n  private currentUrlTree: UrlTree;\n  private currentRouterState: RouterState;\n  private config: RouterConfig;\n  private locationSubscription: Subscription;\n  private routerEvents: Subject<Event>;\n  private navigationId: number = 0;\n\n  /**\n   * @internal\n   */\n  constructor(private rootComponentType:Type, private resolver: ComponentResolver, private urlSerializer: UrlSerializer, private outletMap: RouterOutletMap, private location: Location, private injector: Injector) {\n    this.routerEvents = new Subject<Event>();\n    this.currentUrlTree = createEmptyUrlTree();\n    this.currentRouterState = createEmptyState(rootComponentType);\n    this.setUpLocationChangeListener();\n    this.navigateByUrl(this.location.path());\n  }\n\n  /**\n   * Returns the current route state.\n   */\n  get routerState(): RouterState {\n    return this.currentRouterState;\n  }\n\n  /**\n   * Returns the current url tree.\n   */\n  get urlTree(): UrlTree {\n    return this.currentUrlTree;\n  }\n\n  /**\n   * Returns an observable of route events\n   */\n  get events(): Observable<Event> {\n    return this.routerEvents;\n  }\n\n  /**\n   * Navigate based on the provided url. This navigation is always absolute.\n   *\n   * Returns a promise that:\n   * - is resolved with 'true' when navigation succeeds\n   * - is resolved with 'false' when navigation fails\n   * - is rejected when an error happens\n   *\n   * ### Usage\n   *\n   * ```\n   * router.navigateByUrl(\"/team/33/user/11\");\n   * ```\n   */\n  navigateByUrl(url: string): Promise<boolean> {\n    const urlTree = this.urlSerializer.parse(url);\n    return this.scheduleNavigation(urlTree, false);\n  }\n\n  /**\n   * Resets the configuration used for navigation and generating links.\n   *\n   * ### Usage\n   *\n   * ```\n   * router.resetConfig([\n   *  { path: 'team/:id', component: TeamCmp, children: [\n   *    { path: 'simple', component: SimpleCmp },\n   *    { path: 'user/:name', component: UserCmp }\n   *  ] }\n   * ]);\n   * ```\n   */\n  resetConfig(config: RouterConfig): void {\n    this.config = config;\n  }\n\n  /**\n   * @internal\n   */\n  dispose(): void { this.locationSubscription.unsubscribe(); }\n\n  /**\n   * Applies an array of commands to the current url tree and creates\n   * a new url tree.\n   *\n   * When given an activate route, applies the given commands starting from the route.\n   * When not given a route, applies the given command starting from the root.\n   *\n   * ### Usage\n   *\n   * ```\n   * // create /team/33/user/11\n   * router.createUrlTree(['/team', 33, 'user', 11]);\n   *\n   * // create /team/33;expand=true/user/11\n   * router.createUrlTree(['/team', 33, {expand: true}, 'user', 11]);\n   *\n   * // you can collapse static fragments like this\n   * router.createUrlTree(['/team/33/user', userId]);\n   *\n   * // assuming the current url is `/team/33/user/11` and the route points to `user/11`\n   *\n   * // navigate to /team/33/user/11/details\n   * router.createUrlTree(['details'], {relativeTo: route});\n   *\n   * // navigate to /team/33/user/22\n   * router.createUrlTree(['../22'], {relativeTo: route});\n   *\n   * // navigate to /team/44/user/22\n   * router.createUrlTree(['../../team/44/user/22'], {relativeTo: route});\n   * ```\n   */\n  createUrlTree(commands: any[], {relativeTo, queryParameters, fragment}: NavigationExtras = {}): UrlTree {\n    const a = relativeTo ? relativeTo : this.routerState.root;\n    return createUrlTree(a, this.currentUrlTree, commands, queryParameters, fragment);\n  }\n\n\n  /**\n   * Navigate based on the provided array of commands and a starting point.\n   * If no starting route is provided, the navigation is absolute.\n   *\n   * Returns a promise that:\n   * - is resolved with 'true' when navigation succeeds\n   * - is resolved with 'false' when navigation fails\n   * - is rejected when an error happens\n   *\n   * ### Usage\n   *\n   * ```\n   * router.navigate(['team', 33, 'team', '11], {relativeTo: route});\n   * ```\n   */\n  navigate(commands: any[], extras: NavigationExtras = {}): Promise<boolean> {\n    return this.scheduleNavigation(this.createUrlTree(commands, extras), false);\n  }\n\n  /**\n   * Serializes a {@link UrlTree} into a string.\n   */\n  serializeUrl(url: UrlTree): string { return this.urlSerializer.serialize(url); }\n\n  /**\n   * Parse a string into a {@link UrlTree}.\n   */\n  parseUrl(url: string): UrlTree { return this.urlSerializer.parse(url); }\n\n  private scheduleNavigation(url: UrlTree, pop: boolean):Promise<boolean> {\n    const id = ++ this.navigationId;\n    this.routerEvents.next(new NavigationStart(id, url));\n    return Promise.resolve().then((_) => this.runNavigate(url, false, id));\n  }\n\n  private setUpLocationChangeListener(): void {\n    this.locationSubscription = <any>this.location.subscribe((change) => {\n      return this.scheduleNavigation(this.urlSerializer.parse(change['url']), change['pop']);\n    });\n  }\n\n  private runNavigate(url: UrlTree, pop: boolean, id: number):Promise<boolean> {\n    if (id !== this.navigationId) {\n      this.routerEvents.next(new NavigationCancel(id, url));\n      return Promise.resolve(false);\n    }\n\n    return new Promise((resolvePromise, rejectPromise) => {\n      let state;\n      recognize(this.rootComponentType, this.config, url).mergeMap((newRouterStateSnapshot) => {\n        return resolve(this.resolver, newRouterStateSnapshot);\n\n      }).map((routerStateSnapshot) => {\n        return createRouterState(routerStateSnapshot, this.currentRouterState);\n\n      }).map((newState:RouterState) => {\n        state = newState;\n\n      }).mergeMap(_ => {\n        return new GuardChecks(state.snapshot, this.currentRouterState.snapshot, this.injector).check(this.outletMap);\n\n      }).forEach((shouldActivate) => {\n        if (!shouldActivate || id !== this.navigationId) {\n          this.routerEvents.next(new NavigationCancel(id, url));\n          return Promise.resolve(false);\n        }\n\n        new ActivateRoutes(state, this.currentRouterState).activate(this.outletMap);\n\n        this.currentUrlTree = url;\n        this.currentRouterState = state;\n        if (!pop) {\n          this.location.go(this.urlSerializer.serialize(url));\n        }\n      }).then(() => {\n        this.routerEvents.next(new NavigationEnd(id, url));\n        resolvePromise(true);\n\n      }, e => {\n        this.routerEvents.next(new NavigationError(id, url, e));\n        rejectPromise(e);\n      });\n    });\n  }\n}\n\nclass CanActivate { constructor(public route: ActivatedRouteSnapshot) {}}\nclass CanDeactivate { constructor(public component: Object, public route: ActivatedRouteSnapshot) {}}\n\nclass GuardChecks {\n  private checks = [];\n  constructor(private future: RouterStateSnapshot, private curr: RouterStateSnapshot, private injector: Injector) {}\n\n  check(parentOutletMap: RouterOutletMap): Observable<boolean> {\n    const futureRoot = this.future._root;\n    const currRoot = this.curr ? this.curr._root : null;\n    this.traverseChildRoutes(futureRoot, currRoot, parentOutletMap);\n    if (this.checks.length === 0) return of(true);\n    return forkJoin(this.checks.map(s => {\n      if (s instanceof CanActivate) {\n        return this.runCanActivate(s.route)\n      } else if (s instanceof CanDeactivate) {\n        return this.runCanDeactivate(s.component, s.route);\n      } else {\n        throw new Error(\"Cannot be reached\");\n      }\n    })).map(and);\n  }\n\n  private traverseChildRoutes(futureNode: TreeNode<ActivatedRouteSnapshot>,\n                              currNode: TreeNode<ActivatedRouteSnapshot> | null,\n                              outletMap: RouterOutletMap | null): void {\n    const prevChildren = nodeChildrenAsMap(currNode);\n    futureNode.children.forEach(c => {\n      this.traverseRoutes(c, prevChildren[c.value.outlet], outletMap);\n      delete prevChildren[c.value.outlet];\n    });\n    forEach(prevChildren, (v, k) => this.deactivateOutletAndItChildren(v, outletMap._outlets[k]));\n  }\n\n  traverseRoutes(futureNode: TreeNode<ActivatedRouteSnapshot>, currNode: TreeNode<ActivatedRouteSnapshot> | null,\n                 parentOutletMap: RouterOutletMap | null): void {\n    const future = futureNode.value;\n    const curr = currNode ? currNode.value : null;\n    const outlet = parentOutletMap ? parentOutletMap._outlets[futureNode.value.outlet] : null;\n\n    if (curr && future._routeConfig === curr._routeConfig) {\n      if (!shallowEqual(future.params, curr.params)) {\n        this.checks.push(new CanDeactivate(outlet.component, curr), new CanActivate(future));\n      }\n      this.traverseChildRoutes(futureNode, currNode, outlet ? outlet.outletMap : null);\n    } else {\n      this.deactivateOutletAndItChildren(curr, outlet);\n      this.checks.push(new CanActivate(future));\n      this.traverseChildRoutes(futureNode, null, outlet ? outlet.outletMap : null);\n    }\n  }\n\n  private deactivateOutletAndItChildren(route: ActivatedRouteSnapshot, outlet: RouterOutlet): void {\n    if (outlet && outlet.isActivated) {\n      forEach(outlet.outletMap._outlets, (v, k) => this.deactivateOutletAndItChildren(v, outlet.outletMap._outlets[k]));\n      this.checks.push(new CanDeactivate(outlet.component, route))\n    }\n  }\n\n  private runCanActivate(future: ActivatedRouteSnapshot): Observable<boolean> {\n    const canActivate = future._routeConfig ? future._routeConfig.canActivate : null;\n    if (!canActivate || canActivate.length === 0) return of(true);\n    return forkJoin(canActivate.map(c => {\n      const guard = this.injector.get(c);\n      if (guard.canActivate) {\n        return of(guard.canActivate(future, this.future));\n      } else {\n        return of(guard(future, this.future));\n      }\n    })).map(and);\n  }\n\n  private runCanDeactivate(component: Object, curr: ActivatedRouteSnapshot): Observable<boolean> {\n    const canDeactivate = curr._routeConfig ? curr._routeConfig.canDeactivate : null;\n    if (!canDeactivate || canDeactivate.length === 0) return of(true);\n    return forkJoin(canDeactivate.map(c => {\n      const guard = this.injector.get(c);\n      if (guard.canDeactivate) {\n        return of(guard.canDeactivate(component, curr, this.curr));\n      } else {\n        return of(guard(component, curr, this.curr));\n      }\n    })).map(and);\n  }\n}\n\nclass ActivateRoutes {\n  constructor(private futureState: RouterState, private currState: RouterState) {}\n\n  activate(parentOutletMap: RouterOutletMap):void {\n    const futureRoot = this.futureState._root;\n    const currRoot = this.currState ? this.currState._root : null;\n\n    pushQueryParamsAndFragment(this.futureState);\n    this.activateChildRoutes(futureRoot, currRoot, parentOutletMap);\n  }\n\n  private activateChildRoutes(futureNode: TreeNode<ActivatedRoute>,\n                              currNode: TreeNode<ActivatedRoute> | null,\n                              outletMap: RouterOutletMap): void {\n    const prevChildren = nodeChildrenAsMap(currNode);\n    futureNode.children.forEach(c => {\n      this.activateRoutes(c, prevChildren[c.value.outlet], outletMap);\n      delete prevChildren[c.value.outlet];\n    });\n    forEach(prevChildren, (v, k) => this.deactivateOutletAndItChildren(outletMap._outlets[k]));\n  }\n\n  activateRoutes(futureNode: TreeNode<ActivatedRoute>, currNode: TreeNode<ActivatedRoute> | null,\n                 parentOutletMap: RouterOutletMap): void {\n    const future = futureNode.value;\n    const curr = currNode ? currNode.value : null;\n    const outlet = getOutlet(parentOutletMap, futureNode.value);\n\n    if (future === curr) {\n      advanceActivatedRoute(future);\n      this.activateChildRoutes(futureNode, currNode, outlet.outletMap);\n    } else {\n      this.deactivateOutletAndItChildren(outlet);\n      const outletMap = new RouterOutletMap();\n      this.activateNewRoutes(outletMap, future, outlet);\n      this.activateChildRoutes(futureNode, null, outletMap);\n    }\n  }\n\n  private activateNewRoutes(outletMap: RouterOutletMap, future: ActivatedRoute, outlet: RouterOutlet): void {\n    const resolved = ReflectiveInjector.resolve([\n      {provide: ActivatedRoute, useValue: future},\n      {provide: RouterOutletMap, useValue: outletMap}\n    ]);\n    outlet.activate(future._futureSnapshot._resolvedComponentFactory, resolved, outletMap);\n    advanceActivatedRoute(future);\n  }\n\n  private deactivateOutletAndItChildren(outlet: RouterOutlet): void {\n    if (outlet && outlet.isActivated) {\n      forEach(outlet.outletMap._outlets, (v, k) => this.deactivateOutletAndItChildren(v));\n      outlet.deactivate();\n    }\n  }\n}\n\nfunction pushQueryParamsAndFragment(state: RouterState): void {\n  if (!shallowEqual(state.snapshot.queryParams, (<any>state.queryParams).value)) {\n    (<any>state.queryParams).next(state.snapshot.queryParams);\n  }\n\n  if (state.snapshot.fragment !== (<any>state.fragment).value) {\n    (<any>state.fragment).next(state.snapshot.fragment);\n  }\n}\n\nfunction nodeChildrenAsMap(node: TreeNode<any>|null) {\n  return node ?\n    node.children.reduce(\n      (m, c) => {\n        m[c.value.outlet] = c;\n        return m;\n      },\n      {}) :\n  {};\n}\n\nfunction getOutlet(outletMap: RouterOutletMap, route: ActivatedRoute): RouterOutlet {\n  let outlet = outletMap._outlets[route.outlet];\n  if (!outlet) {\n    if (route.outlet === PRIMARY_OUTLET) {\n      throw new Error(`Cannot find primary outlet`);\n    } else {\n      throw new Error(`Cannot find the outlet ${route.outlet}`);\n    }\n  }\n  return outlet;\n}\n"]}