router_state.js
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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
import { PRIMARY_OUTLET } from './shared';
import { UrlSegment, equalSegments } from './url_tree';
import { merge, shallowEqual, shallowEqualArrays } from './utils/collection';
import { Tree, TreeNode } from './utils/tree';
/**
* \@whatItDoes Represents the state of the router.
*
* \@howToUse
*
* ```
* \@Component({templateUrl:'template.html'})
* class MyComponent {
* constructor(router: Router) {
* const state: RouterState = router.routerState;
* const root: ActivatedRoute = state.root;
* const child = root.firstChild;
* const id: Observable<string> = child.params.map(p => p.id);
* //...
* }
* }
* ```
*
* \@description
* RouterState is a tree of activated routes. Every node in this tree knows about the "consumed" URL
* segments,
* the extracted parameters, and the resolved data.
*
* See {\@link ActivatedRoute} for more information.
*
* \@stable
*/
export var RouterState = (function (_super) {
__extends(RouterState, _super);
/**
* \@internal
* @param {?} root
* @param {?} snapshot
*/
function RouterState(root, snapshot) {
_super.call(this, root);
this.snapshot = snapshot;
setRouterStateSnapshot(this, root);
}
/**
* @return {?}
*/
RouterState.prototype.toString = function () { return this.snapshot.toString(); };
return RouterState;
}(Tree));
function RouterState_tsickle_Closure_declarations() {
/**
* The current snapshot of the router state
* @type {?}
*/
RouterState.prototype.snapshot;
}
/**
* @param {?} urlTree
* @param {?} rootComponent
* @return {?}
*/
export function createEmptyState(urlTree, rootComponent) {
var /** @type {?} */ snapshot = createEmptyStateSnapshot(urlTree, rootComponent);
var /** @type {?} */ emptyUrl = new BehaviorSubject([new UrlSegment('', {})]);
var /** @type {?} */ emptyParams = new BehaviorSubject({});
var /** @type {?} */ emptyData = new BehaviorSubject({});
var /** @type {?} */ emptyQueryParams = new BehaviorSubject({});
var /** @type {?} */ fragment = new BehaviorSubject('');
var /** @type {?} */ activated = new ActivatedRoute(emptyUrl, emptyParams, emptyQueryParams, fragment, emptyData, PRIMARY_OUTLET, rootComponent, snapshot.root);
activated.snapshot = snapshot.root;
return new RouterState(new TreeNode(activated, []), snapshot);
}
/**
* @param {?} urlTree
* @param {?} rootComponent
* @return {?}
*/
export function createEmptyStateSnapshot(urlTree, rootComponent) {
var /** @type {?} */ emptyParams = {};
var /** @type {?} */ emptyData = {};
var /** @type {?} */ emptyQueryParams = {};
var /** @type {?} */ fragment = '';
var /** @type {?} */ activated = new ActivatedRouteSnapshot([], emptyParams, emptyQueryParams, fragment, emptyData, PRIMARY_OUTLET, rootComponent, null, urlTree.root, -1, {});
return new RouterStateSnapshot('', new TreeNode(activated, []));
}
/**
* \@whatItDoes Contains the information about a route associated with a component loaded in an
* outlet.
* An `ActivatedRoute` can also be used to traverse the router state tree.
*
* \@howToUse
*
* ```
* \@Component({...})
* class MyComponent {
* constructor(route: ActivatedRoute) {
* const id: Observable<string> = route.params.map(p => p.id);
* const url: Observable<string> = route.url.map(segments => segments.join(''));
* // route.data includes both `data` and `resolve`
* const user = route.data.map(d => d.user);
* }
* }
* ```
*
* \@stable
*/
export var ActivatedRoute = (function () {
/**
* \@internal
* @param {?} url
* @param {?} params
* @param {?} queryParams
* @param {?} fragment
* @param {?} data
* @param {?} outlet
* @param {?} component
* @param {?} futureSnapshot
*/
function ActivatedRoute(url, params, queryParams, fragment, data, outlet, component, futureSnapshot) {
this.url = url;
this.params = params;
this.queryParams = queryParams;
this.fragment = fragment;
this.data = data;
this.outlet = outlet;
this.component = component;
this._futureSnapshot = futureSnapshot;
}
Object.defineProperty(ActivatedRoute.prototype, "routeConfig", {
/**
* The configuration used to match this route
* @return {?}
*/
get: function () { return this._futureSnapshot.routeConfig; },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRoute.prototype, "root", {
/**
* The root of the router state
* @return {?}
*/
get: function () { return this._routerState.root; },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRoute.prototype, "parent", {
/**
* The parent of this route in the router state tree
* @return {?}
*/
get: function () { return this._routerState.parent(this); },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRoute.prototype, "firstChild", {
/**
* The first child of this route in the router state tree
* @return {?}
*/
get: function () { return this._routerState.firstChild(this); },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRoute.prototype, "children", {
/**
* The children of this route in the router state tree
* @return {?}
*/
get: function () { return this._routerState.children(this); },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRoute.prototype, "pathFromRoot", {
/**
* The path from the root of the router state tree to this route
* @return {?}
*/
get: function () { return this._routerState.pathFromRoot(this); },
enumerable: true,
configurable: true
});
/**
* @return {?}
*/
ActivatedRoute.prototype.toString = function () {
return this.snapshot ? this.snapshot.toString() : "Future(" + this._futureSnapshot + ")";
};
return ActivatedRoute;
}());
function ActivatedRoute_tsickle_Closure_declarations() {
/**
* The current snapshot of this route
* @type {?}
*/
ActivatedRoute.prototype.snapshot;
/**
* \@internal
* @type {?}
*/
ActivatedRoute.prototype._futureSnapshot;
/**
* \@internal
* @type {?}
*/
ActivatedRoute.prototype._routerState;
/**
* An observable of the URL segments matched by this route
* @type {?}
*/
ActivatedRoute.prototype.url;
/**
* An observable of the matrix parameters scoped to this route
* @type {?}
*/
ActivatedRoute.prototype.params;
/**
* An observable of the query parameters shared by all the routes
* @type {?}
*/
ActivatedRoute.prototype.queryParams;
/**
* An observable of the URL fragment shared by all the routes
* @type {?}
*/
ActivatedRoute.prototype.fragment;
/**
* An observable of the static and resolved data of this route.
* @type {?}
*/
ActivatedRoute.prototype.data;
/**
* The outlet name of the route. It's a constant
* @type {?}
*/
ActivatedRoute.prototype.outlet;
/** @type {?} */
ActivatedRoute.prototype.component;
}
/**
* \@internal
* @param {?} route
* @return {?}
*/
export function inheritedParamsDataResolve(route) {
var /** @type {?} */ pathToRoot = route.pathFromRoot;
var /** @type {?} */ inhertingStartingFrom = pathToRoot.length - 1;
while (inhertingStartingFrom >= 1) {
var /** @type {?} */ current = pathToRoot[inhertingStartingFrom];
var /** @type {?} */ parent_1 = pathToRoot[inhertingStartingFrom - 1];
// current route is an empty path => inherits its parent's params and data
if (current.routeConfig && current.routeConfig.path === '') {
inhertingStartingFrom--;
}
else if (!parent_1.component) {
inhertingStartingFrom--;
}
else {
break;
}
}
return pathToRoot.slice(inhertingStartingFrom).reduce(function (res, curr) {
var /** @type {?} */ params = merge(res.params, curr.params);
var /** @type {?} */ data = merge(res.data, curr.data);
var /** @type {?} */ resolve = merge(res.resolve, curr._resolvedData);
return { params: params, data: data, resolve: resolve };
}, /** @type {?} */ ({ params: {}, data: {}, resolve: {} }));
}
/**
* \@whatItDoes Contains the information about a route associated with a component loaded in an
* outlet
* at a particular moment in time. ActivatedRouteSnapshot can also be used to traverse the router
* state tree.
*
* \@howToUse
*
* ```
* \@Component({templateUrl:'./my-component.html'})
* class MyComponent {
* constructor(route: ActivatedRoute) {
* const id: string = route.snapshot.params.id;
* const url: string = route.snapshot.url.join('');
* const user = route.snapshot.data.user;
* }
* }
* ```
*
* \@stable
*/
export var ActivatedRouteSnapshot = (function () {
/**
* \@internal
* @param {?} url
* @param {?} params
* @param {?} queryParams
* @param {?} fragment
* @param {?} data
* @param {?} outlet
* @param {?} component
* @param {?} routeConfig
* @param {?} urlSegment
* @param {?} lastPathIndex
* @param {?} resolve
*/
function ActivatedRouteSnapshot(url, params, queryParams, fragment, data, outlet, component, routeConfig, urlSegment, lastPathIndex, resolve) {
this.url = url;
this.params = params;
this.queryParams = queryParams;
this.fragment = fragment;
this.data = data;
this.outlet = outlet;
this.component = component;
this._routeConfig = routeConfig;
this._urlSegment = urlSegment;
this._lastPathIndex = lastPathIndex;
this._resolve = resolve;
}
Object.defineProperty(ActivatedRouteSnapshot.prototype, "routeConfig", {
/**
* The configuration used to match this route
* @return {?}
*/
get: function () { return this._routeConfig; },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRouteSnapshot.prototype, "root", {
/**
* The root of the router state
* @return {?}
*/
get: function () { return this._routerState.root; },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRouteSnapshot.prototype, "parent", {
/**
* The parent of this route in the router state tree
* @return {?}
*/
get: function () { return this._routerState.parent(this); },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRouteSnapshot.prototype, "firstChild", {
/**
* The first child of this route in the router state tree
* @return {?}
*/
get: function () { return this._routerState.firstChild(this); },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRouteSnapshot.prototype, "children", {
/**
* The children of this route in the router state tree
* @return {?}
*/
get: function () { return this._routerState.children(this); },
enumerable: true,
configurable: true
});
Object.defineProperty(ActivatedRouteSnapshot.prototype, "pathFromRoot", {
/**
* The path from the root of the router state tree to this route
* @return {?}
*/
get: function () { return this._routerState.pathFromRoot(this); },
enumerable: true,
configurable: true
});
/**
* @return {?}
*/
ActivatedRouteSnapshot.prototype.toString = function () {
var /** @type {?} */ url = this.url.map(function (segment) { return segment.toString(); }).join('/');
var /** @type {?} */ matched = this._routeConfig ? this._routeConfig.path : '';
return "Route(url:'" + url + "', path:'" + matched + "')";
};
return ActivatedRouteSnapshot;
}());
function ActivatedRouteSnapshot_tsickle_Closure_declarations() {
/**
* \@internal *
* @type {?}
*/
ActivatedRouteSnapshot.prototype._routeConfig;
/**
* \@internal *
* @type {?}
*/
ActivatedRouteSnapshot.prototype._urlSegment;
/**
* \@internal
* @type {?}
*/
ActivatedRouteSnapshot.prototype._lastPathIndex;
/**
* \@internal
* @type {?}
*/
ActivatedRouteSnapshot.prototype._resolve;
/**
* \@internal
* @type {?}
*/
ActivatedRouteSnapshot.prototype._resolvedData;
/**
* \@internal
* @type {?}
*/
ActivatedRouteSnapshot.prototype._routerState;
/**
* The URL segments matched by this route
* @type {?}
*/
ActivatedRouteSnapshot.prototype.url;
/**
* The matrix parameters scoped to this route
* @type {?}
*/
ActivatedRouteSnapshot.prototype.params;
/**
* The query parameters shared by all the routes
* @type {?}
*/
ActivatedRouteSnapshot.prototype.queryParams;
/**
* The URL fragment shared by all the routes
* @type {?}
*/
ActivatedRouteSnapshot.prototype.fragment;
/**
* The static and resolved data of this route
* @type {?}
*/
ActivatedRouteSnapshot.prototype.data;
/**
* The outlet name of the route
* @type {?}
*/
ActivatedRouteSnapshot.prototype.outlet;
/**
* The component of the route
* @type {?}
*/
ActivatedRouteSnapshot.prototype.component;
}
/**
* \@whatItDoes Represents the state of the router at a moment in time.
*
* \@howToUse
*
* ```
* \@Component({templateUrl:'template.html'})
* class MyComponent {
* constructor(router: Router) {
* const state: RouterState = router.routerState;
* const snapshot: RouterStateSnapshot = state.snapshot;
* const root: ActivatedRouteSnapshot = snapshot.root;
* const child = root.firstChild;
* const id: Observable<string> = child.params.map(p => p.id);
* //...
* }
* }
* ```
*
* \@description
* RouterStateSnapshot is a tree of activated route snapshots. Every node in this tree knows about
* the "consumed" URL segments, the extracted parameters, and the resolved data.
*
* \@stable
*/
export var RouterStateSnapshot = (function (_super) {
__extends(RouterStateSnapshot, _super);
/**
* \@internal
* @param {?} url
* @param {?} root
*/
function RouterStateSnapshot(url, root) {
_super.call(this, root);
this.url = url;
setRouterStateSnapshot(this, root);
}
/**
* @return {?}
*/
RouterStateSnapshot.prototype.toString = function () { return serializeNode(this._root); };
return RouterStateSnapshot;
}(Tree));
function RouterStateSnapshot_tsickle_Closure_declarations() {
/**
* The url from which this snapshot was created
* @type {?}
*/
RouterStateSnapshot.prototype.url;
}
/**
* @param {?} state
* @param {?} node
* @return {?}
*/
function setRouterStateSnapshot(state, node) {
node.value._routerState = state;
node.children.forEach(function (c) { return setRouterStateSnapshot(state, c); });
}
/**
* @param {?} node
* @return {?}
*/
function serializeNode(node) {
var /** @type {?} */ c = node.children.length > 0 ? " { " + node.children.map(serializeNode).join(", ") + " } " : '';
return "" + node.value + c;
}
/**
* The expectation is that the activate route is created with the right set of parameters.
* So we push new values into the observables only when they are not the initial values.
* And we detect that by checking if the snapshot field is set.
* @param {?} route
* @return {?}
*/
export function advanceActivatedRoute(route) {
if (route.snapshot) {
var /** @type {?} */ currentSnapshot = route.snapshot;
route.snapshot = route._futureSnapshot;
if (!shallowEqual(currentSnapshot.queryParams, route._futureSnapshot.queryParams)) {
((route.queryParams)).next(route._futureSnapshot.queryParams);
}
if (currentSnapshot.fragment !== route._futureSnapshot.fragment) {
((route.fragment)).next(route._futureSnapshot.fragment);
}
if (!shallowEqual(currentSnapshot.params, route._futureSnapshot.params)) {
((route.params)).next(route._futureSnapshot.params);
}
if (!shallowEqualArrays(currentSnapshot.url, route._futureSnapshot.url)) {
((route.url)).next(route._futureSnapshot.url);
}
if (!equalParamsAndUrlSegments(currentSnapshot, route._futureSnapshot)) {
((route.data)).next(route._futureSnapshot.data);
}
}
else {
route.snapshot = route._futureSnapshot;
// this is for resolved data
((route.data)).next(route._futureSnapshot.data);
}
}
/**
* @param {?} a
* @param {?} b
* @return {?}
*/
export function equalParamsAndUrlSegments(a, b) {
return shallowEqual(a.params, b.params) && equalSegments(a.url, b.url);
}
//# sourceMappingURL=router_state.js.map