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@angular/router

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/** * @license * Copyright Google LLC 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 */ import { HashLocationStrategy, Location, LocationStrategy, PathLocationStrategy, ViewportScroller } from '@angular/common'; import { APP_BOOTSTRAP_LISTENER, inject, Inject, InjectionToken, NgModule, NgProbeToken, NgZone, Optional, SkipSelf, ɵRuntimeError as RuntimeError } from '@angular/core'; import { EmptyOutletComponent } from './components/empty_outlet'; import { RouterLink } from './directives/router_link'; import { RouterLinkActive } from './directives/router_link_active'; import { RouterOutlet } from './directives/router_outlet'; import { NavigationTransitions } from './navigation_transition'; import { getBootstrapListener, rootRoute, ROUTER_IS_PROVIDED, withDebugTracing, withDisabledInitialNavigation, withEnabledBlockingInitialNavigation, withPreloading } from './provide_router'; import { Router } from './router'; import { ROUTER_CONFIGURATION } from './router_config'; import { RouterConfigLoader, ROUTES } from './router_config_loader'; import { ChildrenOutletContexts } from './router_outlet_context'; import { ROUTER_SCROLLER, RouterScroller } from './router_scroller'; import { ActivatedRoute } from './router_state'; import { DefaultUrlSerializer, UrlSerializer } from './url_tree'; import * as i0 from "@angular/core"; const NG_DEV_MODE = typeof ngDevMode === 'undefined' || ngDevMode; /** * The directives defined in the `RouterModule`. */ const ROUTER_DIRECTIVES = [RouterOutlet, RouterLink, RouterLinkActive, EmptyOutletComponent]; /** * @docsNotRequired */ export const ROUTER_FORROOT_GUARD = new InjectionToken(NG_DEV_MODE ? 'router duplicate forRoot guard' : 'ROUTER_FORROOT_GUARD'); // TODO(atscott): All of these except `ActivatedRoute` are `providedIn: 'root'`. They are only kept // here to avoid a breaking change whereby the provider order matters based on where the // `RouterModule`/`RouterTestingModule` is imported. These can/should be removed as a "breaking" // change in a major version. export const ROUTER_PROVIDERS = [ Location, { provide: UrlSerializer, useClass: DefaultUrlSerializer }, Router, ChildrenOutletContexts, { provide: ActivatedRoute, useFactory: rootRoute, deps: [Router] }, RouterConfigLoader, // Only used to warn when `provideRoutes` is used without `RouterModule` or `provideRouter`. Can // be removed when `provideRoutes` is removed. NG_DEV_MODE ? { provide: ROUTER_IS_PROVIDED, useValue: true } : [], ]; export function routerNgProbeToken() { return new NgProbeToken('Router', Router); } /** * @description * * Adds directives and providers for in-app navigation among views defined in an application. * Use the Angular `Router` service to declaratively specify application states and manage state * transitions. * * You can import this NgModule multiple times, once for each lazy-loaded bundle. * However, only one `Router` service can be active. * To ensure this, there are two ways to register routes when importing this module: * * * The `forRoot()` method creates an `NgModule` that contains all the directives, the given * routes, and the `Router` service itself. * * The `forChild()` method creates an `NgModule` that contains all the directives and the given * routes, but does not include the `Router` service. * * @see [Routing and Navigation guide](guide/router) for an * overview of how the `Router` service should be used. * * @publicApi */ export class RouterModule { constructor(guard) { } /** * Creates and configures a module with all the router providers and directives. * Optionally sets up an application listener to perform an initial navigation. * * When registering the NgModule at the root, import as follows: * * ``` * @NgModule({ * imports: [RouterModule.forRoot(ROUTES)] * }) * class MyNgModule {} * ``` * * @param routes An array of `Route` objects that define the navigation paths for the application. * @param config An `ExtraOptions` configuration object that controls how navigation is performed. * @return The new `NgModule`. * */ static forRoot(routes, config) { return { ngModule: RouterModule, providers: [ ROUTER_PROVIDERS, NG_DEV_MODE ? (config?.enableTracing ? withDebugTracing().ɵproviders : []) : [], { provide: ROUTES, multi: true, useValue: routes }, { provide: ROUTER_FORROOT_GUARD, useFactory: provideForRootGuard, deps: [[Router, new Optional(), new SkipSelf()]] }, { provide: ROUTER_CONFIGURATION, useValue: config ? config : {} }, config?.useHash ? provideHashLocationStrategy() : providePathLocationStrategy(), provideRouterScroller(), config?.preloadingStrategy ? withPreloading(config.preloadingStrategy).ɵproviders : [], { provide: NgProbeToken, multi: true, useFactory: routerNgProbeToken }, config?.initialNavigation ? provideInitialNavigation(config) : [], provideRouterInitializer(), ], }; } /** * Creates a module with all the router directives and a provider registering routes, * without creating a new Router service. * When registering for submodules and lazy-loaded submodules, create the NgModule as follows: * * ``` * @NgModule({ * imports: [RouterModule.forChild(ROUTES)] * }) * class MyNgModule {} * ``` * * @param routes An array of `Route` objects that define the navigation paths for the submodule. * @return The new NgModule. * */ static forChild(routes) { return { ngModule: RouterModule, providers: [{ provide: ROUTES, multi: true, useValue: routes }], }; } } RouterModule.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.1.5", ngImport: i0, type: RouterModule, deps: [{ token: ROUTER_FORROOT_GUARD, optional: true }], target: i0.ɵɵFactoryTarget.NgModule }); RouterModule.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "15.1.5", ngImport: i0, type: RouterModule, imports: [RouterOutlet, RouterLink, RouterLinkActive, EmptyOutletComponent], exports: [RouterOutlet, RouterLink, RouterLinkActive, EmptyOutletComponent] }); RouterModule.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "15.1.5", ngImport: i0, type: RouterModule, imports: [EmptyOutletComponent] }); i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.1.5", ngImport: i0, type: RouterModule, decorators: [{ type: NgModule, args: [{ imports: ROUTER_DIRECTIVES, exports: ROUTER_DIRECTIVES, }] }], ctorParameters: function () { return [{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [ROUTER_FORROOT_GUARD] }] }]; } }); /** * For internal use by `RouterModule` only. Note that this differs from `withInMemoryRouterScroller` * because it reads from the `ExtraOptions` which should not be used in the standalone world. */ export function provideRouterScroller() { return { provide: ROUTER_SCROLLER, useFactory: () => { const viewportScroller = inject(ViewportScroller); const zone = inject(NgZone); const config = inject(ROUTER_CONFIGURATION); const transitions = inject(NavigationTransitions); const urlSerializer = inject(UrlSerializer); if (config.scrollOffset) { viewportScroller.setOffset(config.scrollOffset); } return new RouterScroller(urlSerializer, transitions, viewportScroller, zone, config); }, }; } // Note: For internal use only with `RouterModule`. Standalone setup via `provideRouter` should // provide hash location directly via `{provide: LocationStrategy, useClass: HashLocationStrategy}`. function provideHashLocationStrategy() { return { provide: LocationStrategy, useClass: HashLocationStrategy }; } // Note: For internal use only with `RouterModule`. Standalone setup via `provideRouter` does not // need this at all because `PathLocationStrategy` is the default factory for `LocationStrategy`. function providePathLocationStrategy() { return { provide: LocationStrategy, useClass: PathLocationStrategy }; } export function provideForRootGuard(router) { if (NG_DEV_MODE && router) { throw new RuntimeError(4007 /* RuntimeErrorCode.FOR_ROOT_CALLED_TWICE */, `The Router was provided more than once. This can happen if 'forRoot' is used outside of the root injector.` + ` Lazy loaded modules should use RouterModule.forChild() instead.`); } return 'guarded'; } // Note: For internal use only with `RouterModule`. Standalone router setup with `provideRouter` // users call `withXInitialNavigation` directly. function provideInitialNavigation(config) { return [ config.initialNavigation === 'disabled' ? withDisabledInitialNavigation().ɵproviders : [], config.initialNavigation === 'enabledBlocking' ? withEnabledBlockingInitialNavigation().ɵproviders : [], ]; } // TODO(atscott): This should not be in the public API /** * A [DI token](guide/glossary/#di-token) for the router initializer that * is called after the app is bootstrapped. * * @publicApi */ export const ROUTER_INITIALIZER = new InjectionToken(NG_DEV_MODE ? 'Router Initializer' : ''); function provideRouterInitializer() { return [ // ROUTER_INITIALIZER token should be removed. It's public API but shouldn't be. We can just // have `getBootstrapListener` directly attached to APP_BOOTSTRAP_LISTENER. { provide: ROUTER_INITIALIZER, useFactory: getBootstrapListener }, { provide: APP_BOOTSTRAP_LISTENER, multi: true, useExisting: ROUTER_INITIALIZER }, ]; } //# 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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {HashLocationStrategy, Location, LocationStrategy, PathLocationStrategy, ViewportScroller} from '@angular/common';\nimport {APP_BOOTSTRAP_LISTENER, ComponentRef, inject, Inject, InjectionToken, ModuleWithProviders, NgModule, NgProbeToken, NgZone, Optional, Provider, SkipSelf, ɵRuntimeError as RuntimeError} from '@angular/core';\n\nimport {EmptyOutletComponent} from './components/empty_outlet';\nimport {RouterLink} from './directives/router_link';\nimport {RouterLinkActive} from './directives/router_link_active';\nimport {RouterOutlet} from './directives/router_outlet';\nimport {RuntimeErrorCode} from './errors';\nimport {Routes} from './models';\nimport {NavigationTransitions} from './navigation_transition';\nimport {getBootstrapListener, rootRoute, ROUTER_IS_PROVIDED, withDebugTracing, withDisabledInitialNavigation, withEnabledBlockingInitialNavigation, withPreloading} from './provide_router';\nimport {Router} from './router';\nimport {ExtraOptions, ROUTER_CONFIGURATION} from './router_config';\nimport {RouterConfigLoader, ROUTES} from './router_config_loader';\nimport {ChildrenOutletContexts} from './router_outlet_context';\nimport {ROUTER_SCROLLER, RouterScroller} from './router_scroller';\nimport {ActivatedRoute} from './router_state';\nimport {DefaultUrlSerializer, UrlSerializer} from './url_tree';\n\nconst NG_DEV_MODE = typeof ngDevMode === 'undefined' || ngDevMode;\n\n/**\n * The directives defined in the `RouterModule`.\n */\nconst ROUTER_DIRECTIVES = [RouterOutlet, RouterLink, RouterLinkActive, EmptyOutletComponent];\n\n/**\n * @docsNotRequired\n */\nexport const ROUTER_FORROOT_GUARD = new InjectionToken<void>(\n    NG_DEV_MODE ? 'router duplicate forRoot guard' : 'ROUTER_FORROOT_GUARD');\n\n// TODO(atscott): All of these except `ActivatedRoute` are `providedIn: 'root'`. They are only kept\n// here to avoid a breaking change whereby the provider order matters based on where the\n// `RouterModule`/`RouterTestingModule` is imported. These can/should be removed as a \"breaking\"\n// change in a major version.\nexport const ROUTER_PROVIDERS: Provider[] = [\n  Location,\n  {provide: UrlSerializer, useClass: DefaultUrlSerializer},\n  Router,\n  ChildrenOutletContexts,\n  {provide: ActivatedRoute, useFactory: rootRoute, deps: [Router]},\n  RouterConfigLoader,\n  // Only used to warn when `provideRoutes` is used without `RouterModule` or `provideRouter`. Can\n  // be removed when `provideRoutes` is removed.\n  NG_DEV_MODE ? {provide: ROUTER_IS_PROVIDED, useValue: true} : [],\n];\n\nexport function routerNgProbeToken() {\n  return new NgProbeToken('Router', Router);\n}\n\n/**\n * @description\n *\n * Adds directives and providers for in-app navigation among views defined in an application.\n * Use the Angular `Router` service to declaratively specify application states and manage state\n * transitions.\n *\n * You can import this NgModule multiple times, once for each lazy-loaded bundle.\n * However, only one `Router` service can be active.\n * To ensure this, there are two ways to register routes when importing this module:\n *\n * * The `forRoot()` method creates an `NgModule` that contains all the directives, the given\n * routes, and the `Router` service itself.\n * * The `forChild()` method creates an `NgModule` that contains all the directives and the given\n * routes, but does not include the `Router` service.\n *\n * @see [Routing and Navigation guide](guide/router) for an\n * overview of how the `Router` service should be used.\n *\n * @publicApi\n */\n@NgModule({\n  imports: ROUTER_DIRECTIVES,\n  exports: ROUTER_DIRECTIVES,\n})\nexport class RouterModule {\n  constructor(@Optional() @Inject(ROUTER_FORROOT_GUARD) guard: any) {}\n\n  /**\n   * Creates and configures a module with all the router providers and directives.\n   * Optionally sets up an application listener to perform an initial navigation.\n   *\n   * When registering the NgModule at the root, import as follows:\n   *\n   * ```\n   * @NgModule({\n   *   imports: [RouterModule.forRoot(ROUTES)]\n   * })\n   * class MyNgModule {}\n   * ```\n   *\n   * @param routes An array of `Route` objects that define the navigation paths for the application.\n   * @param config An `ExtraOptions` configuration object that controls how navigation is performed.\n   * @return The new `NgModule`.\n   *\n   */\n  static forRoot(routes: Routes, config?: ExtraOptions): ModuleWithProviders<RouterModule> {\n    return {\n      ngModule: RouterModule,\n      providers: [\n        ROUTER_PROVIDERS,\n        NG_DEV_MODE ? (config?.enableTracing ? withDebugTracing().ɵproviders : []) : [],\n        {provide: ROUTES, multi: true, useValue: routes},\n        {\n          provide: ROUTER_FORROOT_GUARD,\n          useFactory: provideForRootGuard,\n          deps: [[Router, new Optional(), new SkipSelf()]]\n        },\n        {provide: ROUTER_CONFIGURATION, useValue: config ? config : {}},\n        config?.useHash ? provideHashLocationStrategy() : providePathLocationStrategy(),\n        provideRouterScroller(),\n        config?.preloadingStrategy ? withPreloading(config.preloadingStrategy).ɵproviders : [],\n        {provide: NgProbeToken, multi: true, useFactory: routerNgProbeToken},\n        config?.initialNavigation ? provideInitialNavigation(config) : [],\n        provideRouterInitializer(),\n      ],\n    };\n  }\n\n  /**\n   * Creates a module with all the router directives and a provider registering routes,\n   * without creating a new Router service.\n   * When registering for submodules and lazy-loaded submodules, create the NgModule as follows:\n   *\n   * ```\n   * @NgModule({\n   *   imports: [RouterModule.forChild(ROUTES)]\n   * })\n   * class MyNgModule {}\n   * ```\n   *\n   * @param routes An array of `Route` objects that define the navigation paths for the submodule.\n   * @return The new NgModule.\n   *\n   */\n  static forChild(routes: Routes): ModuleWithProviders<RouterModule> {\n    return {\n      ngModule: RouterModule,\n      providers: [{provide: ROUTES, multi: true, useValue: routes}],\n    };\n  }\n}\n\n/**\n * For internal use by `RouterModule` only. Note that this differs from `withInMemoryRouterScroller`\n * because it reads from the `ExtraOptions` which should not be used in the standalone world.\n */\nexport function provideRouterScroller(): Provider {\n  return {\n    provide: ROUTER_SCROLLER,\n    useFactory: () => {\n      const viewportScroller = inject(ViewportScroller);\n      const zone = inject(NgZone);\n      const config: ExtraOptions = inject(ROUTER_CONFIGURATION);\n      const transitions = inject(NavigationTransitions);\n      const urlSerializer = inject(UrlSerializer);\n      if (config.scrollOffset) {\n        viewportScroller.setOffset(config.scrollOffset);\n      }\n      return new RouterScroller(urlSerializer, transitions, viewportScroller, zone, config);\n    },\n  };\n}\n\n// Note: For internal use only with `RouterModule`. Standalone setup via `provideRouter` should\n// provide hash location directly via `{provide: LocationStrategy, useClass: HashLocationStrategy}`.\nfunction provideHashLocationStrategy(): Provider {\n  return {provide: LocationStrategy, useClass: HashLocationStrategy};\n}\n\n// Note: For internal use only with `RouterModule`. Standalone setup via `provideRouter` does not\n// need this at all because `PathLocationStrategy` is the default factory for `LocationStrategy`.\nfunction providePathLocationStrategy(): Provider {\n  return {provide: LocationStrategy, useClass: PathLocationStrategy};\n}\n\nexport function provideForRootGuard(router: Router): any {\n  if (NG_DEV_MODE && router) {\n    throw new RuntimeError(\n        RuntimeErrorCode.FOR_ROOT_CALLED_TWICE,\n        `The Router was provided more than once. This can happen if 'forRoot' is used outside of the root injector.` +\n            ` Lazy loaded modules should use RouterModule.forChild() instead.`);\n  }\n  return 'guarded';\n}\n\n// Note: For internal use only with `RouterModule`. Standalone router setup with `provideRouter`\n// users call `withXInitialNavigation` directly.\nfunction provideInitialNavigation(config: Pick<ExtraOptions, 'initialNavigation'>): Provider[] {\n  return [\n    config.initialNavigation === 'disabled' ? withDisabledInitialNavigation().ɵproviders : [],\n    config.initialNavigation === 'enabledBlocking' ?\n        withEnabledBlockingInitialNavigation().ɵproviders :\n        [],\n  ];\n}\n\n// TODO(atscott): This should not be in the public API\n/**\n * A [DI token](guide/glossary/#di-token) for the router initializer that\n * is called after the app is bootstrapped.\n *\n * @publicApi\n */\nexport const ROUTER_INITIALIZER = new InjectionToken<(compRef: ComponentRef<any>) => void>(\n    NG_DEV_MODE ? 'Router Initializer' : '');\n\nfunction provideRouterInitializer(): Provider[] {\n  return [\n    // ROUTER_INITIALIZER token should be removed. It's public API but shouldn't be. We can just\n    // have `getBootstrapListener` directly attached to APP_BOOTSTRAP_LISTENER.\n    {provide: ROUTER_INITIALIZER, useFactory: getBootstrapListener},\n    {provide: APP_BOOTSTRAP_LISTENER, multi: true, useExisting: ROUTER_INITIALIZER},\n  ];\n}\n"]}