69 lines
13 KiB
JavaScript
69 lines
13 KiB
JavaScript
import { Tree, TreeNode } from './utils/tree';
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import { shallowEqual } from './utils/collection';
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import { UrlSegment } from './url_tree';
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import { PRIMARY_OUTLET } from './shared';
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import { BehaviorSubject } from 'rxjs/BehaviorSubject';
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export class RouterState extends Tree {
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constructor(root, queryParams, fragment, snapshot) {
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super(root);
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this.queryParams = queryParams;
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this.fragment = fragment;
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this.snapshot = snapshot;
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}
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}
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export function createEmptyState(rootComponent) {
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const snapshot = createEmptyStateSnapshot(rootComponent);
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const emptyUrl = new BehaviorSubject([new UrlSegment("", {}, PRIMARY_OUTLET)]);
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const emptyParams = new BehaviorSubject({});
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const emptyQueryParams = new BehaviorSubject({});
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const fragment = new BehaviorSubject("");
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const activated = new ActivatedRoute(emptyUrl, emptyParams, PRIMARY_OUTLET, rootComponent, snapshot.root);
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activated.snapshot = snapshot.root;
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return new RouterState(new TreeNode(activated, []), emptyQueryParams, fragment, snapshot);
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}
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function createEmptyStateSnapshot(rootComponent) {
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const rootUrlSegment = new UrlSegment("", {}, PRIMARY_OUTLET);
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const emptyUrl = [rootUrlSegment];
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const emptyParams = {};
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const emptyQueryParams = {};
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const fragment = "";
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const activated = new ActivatedRouteSnapshot(emptyUrl, emptyParams, PRIMARY_OUTLET, rootComponent, null, rootUrlSegment);
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return new RouterStateSnapshot(new TreeNode(activated, []), emptyQueryParams, fragment);
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}
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export class ActivatedRoute {
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constructor(urlSegments, params, outlet, component, futureSnapshot) {
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this.urlSegments = urlSegments;
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this.params = params;
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this.outlet = outlet;
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this.component = component;
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this._futureSnapshot = futureSnapshot;
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}
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}
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export class ActivatedRouteSnapshot {
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constructor(urlSegments, params, outlet, component, routeConfig, lastUrlSegment) {
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this.urlSegments = urlSegments;
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this.params = params;
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this.outlet = outlet;
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this.component = component;
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this._routeConfig = routeConfig;
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this._lastUrlSegment = lastUrlSegment;
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}
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}
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export class RouterStateSnapshot extends Tree {
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constructor(root, queryParams, fragment) {
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super(root);
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this.queryParams = queryParams;
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this.fragment = fragment;
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}
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}
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export function advanceActivatedRoute(route) {
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if (route.snapshot && !shallowEqual(route.snapshot.params, route._futureSnapshot.params)) {
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route.snapshot = route._futureSnapshot;
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route.urlSegments.next(route.snapshot.urlSegments);
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route.params.next(route.snapshot.params);
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}
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else {
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route.snapshot = route._futureSnapshot;
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}
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}
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//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"router_state.js","sourceRoot":"","sources":["../../../src/router_state.ts"],"names":[],"mappings":"OAAO,EAAE,IAAI,EAAE,QAAQ,EAAE,MAAM,cAAc;OACtC,EAAE,YAAY,EAAE,MAAM,oBAAoB;OAC1C,EAAE,UAAU,EAAE,MAAM,YAAY;OAEhC,EAAU,cAAc,EAAE,MAAM,UAAU;OAE1C,EAAE,eAAe,EAAE,MAAM,sBAAsB;AAkBtD,iCAAiC,IAAI;IAInC,YAAY,IAA8B,EAAS,WAA+B,EAAS,QAA4B,EAAS,QAA6B;QAC3J,MAAM,IAAI,CAAC,CAAC;QADqC,gBAAW,GAAX,WAAW,CAAoB;QAAS,aAAQ,GAAR,QAAQ,CAAoB;QAAS,aAAQ,GAAR,QAAQ,CAAqB;IAE7J,CAAC;AACH,CAAC;AAED,iCAAiC,aAAmB;IAClD,MAAM,QAAQ,GAAG,wBAAwB,CAAC,aAAa,CAAC,CAAC;IACzD,MAAM,QAAQ,GAAG,IAAI,eAAe,CAAC,CAAC,IAAI,UAAU,CAAC,EAAE,EAAE,EAAE,EAAE,cAAc,CAAC,CAAC,CAAC,CAAC;IAC/E,MAAM,WAAW,GAAG,IAAI,eAAe,CAAC,EAAE,CAAC,CAAC;IAC5C,MAAM,gBAAgB,GAAG,IAAI,eAAe,CAAC,EAAE,CAAC,CAAC;IACjD,MAAM,QAAQ,GAAG,IAAI,eAAe,CAAC,EAAE,CAAC,CAAC;IACzC,MAAM,SAAS,GAAG,IAAI,cAAc,CAAC,QAAQ,EAAE,WAAW,EAAE,cAAc,EAAE,aAAa,EAAE,QAAQ,CAAC,IAAI,CAAC,CAAC;IAC1G,SAAS,CAAC,QAAQ,GAAG,QAAQ,CAAC,IAAI,CAAC;IACnC,MAAM,CAAC,IAAI,WAAW,CAAC,IAAI,QAAQ,CAAiB,SAAS,EAAE,EAAE,CAAC,EAAE,gBAAgB,EAAE,QAAQ,EAAE,QAAQ,CAAC,CAAC;AAC5G,CAAC;AAED,kCAAkC,aAAmB;IACnD,MAAM,cAAc,GAAG,IAAI,UAAU,CAAC,EAAE,EAAE,EAAE,EAAE,cAAc,CAAC,CAAC;IAC9D,MAAM,QAAQ,GAAG,CAAC,cAAc,CAAC,CAAC;IAClC,MAAM,WAAW,GAAG,EAAE,CAAC;IACvB,MAAM,gBAAgB,GAAG,EAAE,CAAC;IAC5B,MAAM,QAAQ,GAAG,EAAE,CAAC;IACpB,MAAM,SAAS,GAAG,IAAI,sBAAsB,CAAC,QAAQ,EAAE,WAAW,EAAE,cAAc,EAAE,aAAa,EAAE,IAAI,EAAE,cAAc,CAAC,CAAC;IACzH,MAAM,CAAC,IAAI,mBAAmB,CAAC,IAAI,QAAQ,CAAyB,SAAS,EAAE,EAAE,CAAC,EAAE,gBAAgB,EAAE,QAAQ,CAAC,CAAC;AAClH,CAAC;AAgBD;IAQE,YAAmB,WAAqC,EACrC,MAA0B,EAC1B,MAAc,EACd,SAAwB,EAC/B,cAAsC;QAJ/B,gBAAW,GAAX,WAAW,CAA0B;QACrC,WAAM,GAAN,MAAM,CAAoB;QAC1B,WAAM,GAAN,MAAM,CAAQ;QACd,cAAS,GAAT,SAAS,CAAe;QAGzC,IAAI,CAAC,eAAe,GAAG,cAAc,CAAC;IACxC,CAAC;AACH,CAAC;AAeD;IAeE,YAAmB,WAAyB,EACzB,MAAc,EACd,MAAc,EACd,SAAwB,EAC/B,WAAyB,EACzB,cAA0B;QALnB,gBAAW,GAAX,WAAW,CAAc;QACzB,WAAM,GAAN,MAAM,CAAQ;QACd,WAAM,GAAN,MAAM,CAAQ;QACd,cAAS,GAAT,SAAS,CAAe;QAGzC,IAAI,CAAC,YAAY,GAAG,WAAW,CAAC;QAChC,IAAI,CAAC,eAAe,GAAG,cAAc,CAAC;IACxC,CAAC;AACH,CAAC;AAeD,yCAAyC,IAAI;IAI3C,YAAY,IAAsC,EAAS,WAAmB,EAAS,QAAuB;QAC5G,MAAM,IAAI,CAAC,CAAC;QAD6C,gBAAW,GAAX,WAAW,CAAQ;QAAS,aAAQ,GAAR,QAAQ,CAAe;IAE9G,CAAC;AACH,CAAC;AAOD,sCAAsC,KAAqB;IACzD,EAAE,CAAC,CAAC,KAAK,CAAC,QAAQ,IAAI,CAAC,YAAY,CAAC,KAAK,CAAC,QAAQ,CAAC,MAAM,EAAE,KAAK,CAAC,eAAe,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC;QACzF,KAAK,CAAC,QAAQ,GAAG,KAAK,CAAC,eAAe,CAAC;QACjC,KAAK,CAAC,WAAY,CAAC,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,WAAW,CAAC,CAAC;QACpD,KAAK,CAAC,MAAO,CAAC,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;IAClD,CAAC;IAAC,IAAI,CAAC,CAAC;QACN,KAAK,CAAC,QAAQ,GAAG,KAAK,CAAC,eAAe,CAAC;IACzC,CAAC;AACH,CAAC","sourcesContent":["import { Tree, TreeNode } from './utils/tree';\nimport { shallowEqual } from './utils/collection';\nimport { UrlSegment } from './url_tree';\nimport { Route } from './config';\nimport { Params, PRIMARY_OUTLET } from './shared';\nimport { Observable } from 'rxjs/Observable';\nimport { BehaviorSubject } from 'rxjs/BehaviorSubject';\nimport { Type, ComponentFactory } from '@angular/core';\n\n/**\n * The state of the router.\n *\n * ### Usage\n *\n * ```\n * class MyComponent {\n *   constructor(router: Router) {\n *     const state = router.routerState;\n *     const id: Observable<string> = state.firstChild(state.root).params.map(p => p.id);\n *     const isDebug: Observable<string> = state.queryParams.map(q => q.debug);\n *   }\n * }\n * ```\n */\nexport class RouterState extends Tree<ActivatedRoute> {\n  /**\n   * @internal\n   */\n  constructor(root: TreeNode<ActivatedRoute>, public queryParams: Observable<Params>, public fragment: Observable<string>, public snapshot: RouterStateSnapshot) {\n    super(root);\n  }\n}\n\nexport function createEmptyState(rootComponent: Type): RouterState {\n  const snapshot = createEmptyStateSnapshot(rootComponent);\n  const emptyUrl = new BehaviorSubject([new UrlSegment(\"\", {}, PRIMARY_OUTLET)]);\n  const emptyParams = new BehaviorSubject({});\n  const emptyQueryParams = new BehaviorSubject({});\n  const fragment = new BehaviorSubject(\"\");\n  const activated = new ActivatedRoute(emptyUrl, emptyParams, PRIMARY_OUTLET, rootComponent, snapshot.root);\n  activated.snapshot = snapshot.root;\n  return new RouterState(new TreeNode<ActivatedRoute>(activated, []), emptyQueryParams, fragment, snapshot);\n}\n\nfunction createEmptyStateSnapshot(rootComponent: Type): RouterStateSnapshot {\n  const rootUrlSegment = new UrlSegment(\"\", {}, PRIMARY_OUTLET);\n  const emptyUrl = [rootUrlSegment];\n  const emptyParams = {};\n  const emptyQueryParams = {};\n  const fragment = \"\";\n  const activated = new ActivatedRouteSnapshot(emptyUrl, emptyParams, PRIMARY_OUTLET, rootComponent, null, rootUrlSegment);\n  return new RouterStateSnapshot(new TreeNode<ActivatedRouteSnapshot>(activated, []), emptyQueryParams, fragment);\n}\n\n/**\n * Contains the information about a component loaded in an outlet. The information is provided through\n * the params and urlSegments observables.\n *\n * ### Usage\n *\n * ```\n * class MyComponent {\n *   constructor(route: ActivatedRoute) {\n *     const id: Observable<string> = route.params.map(p => p.id);\n *   }\n * }\n * ```\n */\nexport class ActivatedRoute {\n  /** @internal */\n  _futureSnapshot: ActivatedRouteSnapshot;\n  snapshot: ActivatedRouteSnapshot;\n\n  /**\n   * @internal\n   */\n  constructor(public urlSegments: Observable<UrlSegment[]>,\n              public params: Observable<Params>,\n              public outlet: string,\n              public component: Type | string,\n              futureSnapshot: ActivatedRouteSnapshot\n  ) {\n    this._futureSnapshot = futureSnapshot;\n  }\n}\n\n/**\n * Contains the information about a component loaded in an outlet at a particular moment in time.\n *\n * ### Usage\n *\n * ```\n * class MyComponent {\n *   constructor(route: ActivatedRoute) {\n *     const id: string = route.snapshot.params.id;\n *   }\n * }\n * ```\n */\nexport class ActivatedRouteSnapshot {\n  /**\n   * @internal\n   */\n  _resolvedComponentFactory: ComponentFactory<any>;\n  \n  /** @internal **/\n  _routeConfig: Route | null;\n\n  /** @internal **/\n  _lastUrlSegment: UrlSegment;\n\n  /**\n   * @internal\n   */\n  constructor(public urlSegments: UrlSegment[],\n              public params: Params,\n              public outlet: string,\n              public component: Type | string, \n              routeConfig: Route | null,\n              lastUrlSegment: UrlSegment) {\n    this._routeConfig = routeConfig;\n    this._lastUrlSegment = lastUrlSegment;\n  }\n}\n\n/**\n * The state of the router at a particular moment in time.\n *\n * ### Usage\n *\n * ```\n * class MyComponent {\n *   constructor(router: Router) {\n *     const snapshot = router.routerState.snapshot;\n *   }\n * }\n * ```\n */\nexport class RouterStateSnapshot extends Tree<ActivatedRouteSnapshot> {\n  /**\n   * @internal\n   */\n  constructor(root: TreeNode<ActivatedRouteSnapshot>, public queryParams: Params, public fragment: string | null) {\n    super(root);\n  }\n}\n\n/**\n * The expectation is that the activate route is created with the right set of parameters.\n * So we push new values into the observables only when they are not the initial values.\n * And we detect that by checking if the snapshot field is set.\n */\nexport function advanceActivatedRoute(route: ActivatedRoute): void {\n  if (route.snapshot && !shallowEqual(route.snapshot.params, route._futureSnapshot.params)) {\n    route.snapshot = route._futureSnapshot;\n    (<any>route.urlSegments).next(route.snapshot.urlSegments);\n    (<any>route.params).next(route.snapshot.params);\n  } else {\n    route.snapshot = route._futureSnapshot;\n  }\n}"]}
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