package.esm2022.src.router_preloader.mjs Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of router Show documentation
Show all versions of router Show documentation
Angular - the routing library
/**
* @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.dev/license
*/
import { Compiler, createEnvironmentInjector, EnvironmentInjector, Injectable, } from '@angular/core';
import { from, of } from 'rxjs';
import { catchError, concatMap, filter, mergeAll, mergeMap } from 'rxjs/operators';
import { NavigationEnd } from './events';
import { Router } from './router';
import { RouterConfigLoader } from './router_config_loader';
import * as i0 from "@angular/core";
import * as i1 from "./router";
import * as i2 from "./router_config_loader";
/**
* @description
*
* Provides a preloading strategy.
*
* @publicApi
*/
export class PreloadingStrategy {
}
/**
* @description
*
* Provides a preloading strategy that preloads all modules as quickly as possible.
*
* ```
* RouterModule.forRoot(ROUTES, {preloadingStrategy: PreloadAllModules})
* ```
*
* @publicApi
*/
export class PreloadAllModules {
preload(route, fn) {
return fn().pipe(catchError(() => of(null)));
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: PreloadAllModules, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: PreloadAllModules, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: PreloadAllModules, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}] });
/**
* @description
*
* Provides a preloading strategy that does not preload any modules.
*
* This strategy is enabled by default.
*
* @publicApi
*/
export class NoPreloading {
preload(route, fn) {
return of(null);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: NoPreloading, deps: [], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: NoPreloading, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: NoPreloading, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}] });
/**
* The preloader optimistically loads all router configurations to
* make navigations into lazily-loaded sections of the application faster.
*
* The preloader runs in the background. When the router bootstraps, the preloader
* starts listening to all navigation events. After every such event, the preloader
* will check if any configurations can be loaded lazily.
*
* If a route is protected by `canLoad` guards, the preloaded will not load it.
*
* @publicApi
*/
export class RouterPreloader {
constructor(router, compiler, injector, preloadingStrategy, loader) {
this.router = router;
this.injector = injector;
this.preloadingStrategy = preloadingStrategy;
this.loader = loader;
}
setUpPreloading() {
this.subscription = this.router.events
.pipe(filter((e) => e instanceof NavigationEnd), concatMap(() => this.preload()))
.subscribe(() => { });
}
preload() {
return this.processRoutes(this.injector, this.router.config);
}
/** @nodoc */
ngOnDestroy() {
if (this.subscription) {
this.subscription.unsubscribe();
}
}
processRoutes(injector, routes) {
const res = [];
for (const route of routes) {
if (route.providers && !route._injector) {
route._injector = createEnvironmentInjector(route.providers, injector, `Route: ${route.path}`);
}
const injectorForCurrentRoute = route._injector ?? injector;
const injectorForChildren = route._loadedInjector ?? injectorForCurrentRoute;
// Note that `canLoad` is only checked as a condition that prevents `loadChildren` and not
// `loadComponent`. `canLoad` guards only block loading of child routes by design. This
// happens as a consequence of needing to descend into children for route matching immediately
// while component loading is deferred until route activation. Because `canLoad` guards can
// have side effects, we cannot execute them here so we instead skip preloading altogether
// when present. Lastly, it remains to be decided whether `canLoad` should behave this way
// at all. Code splitting and lazy loading is separate from client-side authorization checks
// and should not be used as a security measure to prevent loading of code.
if ((route.loadChildren && !route._loadedRoutes && route.canLoad === undefined) ||
(route.loadComponent && !route._loadedComponent)) {
res.push(this.preloadConfig(injectorForCurrentRoute, route));
}
if (route.children || route._loadedRoutes) {
res.push(this.processRoutes(injectorForChildren, (route.children ?? route._loadedRoutes)));
}
}
return from(res).pipe(mergeAll());
}
preloadConfig(injector, route) {
return this.preloadingStrategy.preload(route, () => {
let loadedChildren$;
if (route.loadChildren && route.canLoad === undefined) {
loadedChildren$ = this.loader.loadChildren(injector, route);
}
else {
loadedChildren$ = of(null);
}
const recursiveLoadChildren$ = loadedChildren$.pipe(mergeMap((config) => {
if (config === null) {
return of(void 0);
}
route._loadedRoutes = config.routes;
route._loadedInjector = config.injector;
// If the loaded config was a module, use that as the module/module injector going
// forward. Otherwise, continue using the current module/module injector.
return this.processRoutes(config.injector ?? injector, config.routes);
}));
if (route.loadComponent && !route._loadedComponent) {
const loadComponent$ = this.loader.loadComponent(route);
return from([recursiveLoadChildren$, loadComponent$]).pipe(mergeAll());
}
else {
return recursiveLoadChildren$;
}
});
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: RouterPreloader, deps: [{ token: i1.Router }, { token: i0.Compiler }, { token: i0.EnvironmentInjector }, { token: PreloadingStrategy }, { token: i2.RouterConfigLoader }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: RouterPreloader, providedIn: 'root' }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.6", ngImport: i0, type: RouterPreloader, decorators: [{
type: Injectable,
args: [{ providedIn: 'root' }]
}], ctorParameters: () => [{ type: i1.Router }, { type: i0.Compiler }, { type: i0.EnvironmentInjector }, { type: PreloadingStrategy }, { type: i2.RouterConfigLoader }] });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"router_preloader.js","sourceRoot":"","sources":["../../../../../../packages/router/src/router_preloader.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EACL,QAAQ,EACR,yBAAyB,EACzB,mBAAmB,EACnB,UAAU,GAEX,MAAM,eAAe,CAAC;AACvB,OAAO,EAAC,IAAI,EAAc,EAAE,EAAe,MAAM,MAAM,CAAC;AACxD,OAAO,EAAC,UAAU,EAAE,SAAS,EAAE,MAAM,EAAE,QAAQ,EAAE,QAAQ,EAAC,MAAM,gBAAgB,CAAC;AAEjF,OAAO,EAAQ,aAAa,EAAC,MAAM,UAAU,CAAC;AAE9C,OAAO,EAAC,MAAM,EAAC,MAAM,UAAU,CAAC;AAChC,OAAO,EAAC,kBAAkB,EAAC,MAAM,wBAAwB,CAAC;;;;AAE1D;;;;;;GAMG;AACH,MAAM,OAAgB,kBAAkB;CAEvC;AAED;;;;;;;;;;GAUG;AAEH,MAAM,OAAO,iBAAiB;IAC5B,OAAO,CAAC,KAAY,EAAE,EAAyB;QAC7C,OAAO,EAAE,EAAE,CAAC,IAAI,CAAC,UAAU,CAAC,GAAG,EAAE,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;IAC/C,CAAC;yHAHU,iBAAiB;6HAAjB,iBAAiB,cADL,MAAM;;sGAClB,iBAAiB;kBAD7B,UAAU;mBAAC,EAAC,UAAU,EAAE,MAAM,EAAC;;AAOhC;;;;;;;;GAQG;AAEH,MAAM,OAAO,YAAY;IACvB,OAAO,CAAC,KAAY,EAAE,EAAyB;QAC7C,OAAO,EAAE,CAAC,IAAI,CAAC,CAAC;IAClB,CAAC;yHAHU,YAAY;6HAAZ,YAAY,cADA,MAAM;;sGAClB,YAAY;kBADxB,UAAU;mBAAC,EAAC,UAAU,EAAE,MAAM,EAAC;;AAOhC;;;;;;;;;;;GAWG;AAEH,MAAM,OAAO,eAAe;IAG1B,YACU,MAAc,EACtB,QAAkB,EACV,QAA6B,EAC7B,kBAAsC,EACtC,MAA0B;QAJ1B,WAAM,GAAN,MAAM,CAAQ;QAEd,aAAQ,GAAR,QAAQ,CAAqB;QAC7B,uBAAkB,GAAlB,kBAAkB,CAAoB;QACtC,WAAM,GAAN,MAAM,CAAoB;IACjC,CAAC;IAEJ,eAAe;QACb,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC,MAAM,CAAC,MAAM;aACnC,IAAI,CACH,MAAM,CAAC,CAAC,CAAQ,EAAE,EAAE,CAAC,CAAC,YAAY,aAAa,CAAC,EAChD,SAAS,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC,CAChC;aACA,SAAS,CAAC,GAAG,EAAE,GAAE,CAAC,CAAC,CAAC;IACzB,CAAC;IAED,OAAO;QACL,OAAO,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,QAAQ,EAAE,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC;IAC/D,CAAC;IAED,aAAa;IACb,WAAW;QACT,IAAI,IAAI,CAAC,YAAY,EAAE,CAAC;YACtB,IAAI,CAAC,YAAY,CAAC,WAAW,EAAE,CAAC;QAClC,CAAC;IACH,CAAC;IAEO,aAAa,CAAC,QAA6B,EAAE,MAAc;QACjE,MAAM,GAAG,GAAsB,EAAE,CAAC;QAClC,KAAK,MAAM,KAAK,IAAI,MAAM,EAAE,CAAC;YAC3B,IAAI,KAAK,CAAC,SAAS,IAAI,CAAC,KAAK,CAAC,SAAS,EAAE,CAAC;gBACxC,KAAK,CAAC,SAAS,GAAG,yBAAyB,CACzC,KAAK,CAAC,SAAS,EACf,QAAQ,EACR,UAAU,KAAK,CAAC,IAAI,EAAE,CACvB,CAAC;YACJ,CAAC;YAED,MAAM,uBAAuB,GAAG,KAAK,CAAC,SAAS,IAAI,QAAQ,CAAC;YAC5D,MAAM,mBAAmB,GAAG,KAAK,CAAC,eAAe,IAAI,uBAAuB,CAAC;YAE7E,0FAA0F;YAC1F,uFAAuF;YACvF,8FAA8F;YAC9F,2FAA2F;YAC3F,0FAA0F;YAC1F,0FAA0F;YAC1F,4FAA4F;YAC5F,2EAA2E;YAC3E,IACE,CAAC,KAAK,CAAC,YAAY,IAAI,CAAC,KAAK,CAAC,aAAa,IAAI,KAAK,CAAC,OAAO,KAAK,SAAS,CAAC;gBAC3E,CAAC,KAAK,CAAC,aAAa,IAAI,CAAC,KAAK,CAAC,gBAAgB,CAAC,EAChD,CAAC;gBACD,GAAG,CAAC,IAAI,CAAC,IAAI,CAAC,aAAa,CAAC,uBAAuB,EAAE,KAAK,CAAC,CAAC,CAAC;YAC/D,CAAC;YACD,IAAI,KAAK,CAAC,QAAQ,IAAI,KAAK,CAAC,aAAa,EAAE,CAAC;gBAC1C,GAAG,CAAC,IAAI,CAAC,IAAI,CAAC,aAAa,CAAC,mBAAmB,EAAE,CAAC,KAAK,CAAC,QAAQ,IAAI,KAAK,CAAC,aAAa,CAAE,CAAC,CAAC,CAAC;YAC9F,CAAC;QACH,CAAC;QACD,OAAO,IAAI,CAAC,GAAG,CAAC,CAAC,IAAI,CAAC,QAAQ,EAAE,CAAC,CAAC;IACpC,CAAC;IAEO,aAAa,CAAC,QAA6B,EAAE,KAAY;QAC/D,OAAO,IAAI,CAAC,kBAAkB,CAAC,OAAO,CAAC,KAAK,EAAE,GAAG,EAAE;YACjD,IAAI,eAAsD,CAAC;YAC3D,IAAI,KAAK,CAAC,YAAY,IAAI,KAAK,CAAC,OAAO,KAAK,SAAS,EAAE,CAAC;gBACtD,eAAe,GAAG,IAAI,CAAC,MAAM,CAAC,YAAY,CAAC,QAAQ,EAAE,KAAK,CAAC,CAAC;YAC9D,CAAC;iBAAM,CAAC;gBACN,eAAe,GAAG,EAAE,CAAC,IAAI,CAAC,CAAC;YAC7B,CAAC;YAED,MAAM,sBAAsB,GAAG,eAAe,CAAC,IAAI,CACjD,QAAQ,CAAC,CAAC,MAAiC,EAAE,EAAE;gBAC7C,IAAI,MAAM,KAAK,IAAI,EAAE,CAAC;oBACpB,OAAO,EAAE,CAAC,KAAK,CAAC,CAAC,CAAC;gBACpB,CAAC;gBACD,KAAK,CAAC,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC;gBACpC,KAAK,CAAC,eAAe,GAAG,MAAM,CAAC,QAAQ,CAAC;gBACxC,kFAAkF;gBAClF,yEAAyE;gBACzE,OAAO,IAAI,CAAC,aAAa,CAAC,MAAM,CAAC,QAAQ,IAAI,QAAQ,EAAE,MAAM,CAAC,MAAM,CAAC,CAAC;YACxE,CAAC,CAAC,CACH,CAAC;YACF,IAAI,KAAK,CAAC,aAAa,IAAI,CAAC,KAAK,CAAC,gBAAgB,EAAE,CAAC;gBACnD,MAAM,cAAc,GAAG,IAAI,CAAC,MAAM,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC;gBACxD,OAAO,IAAI,CAAC,CAAC,sBAAsB,EAAE,cAAc,CAAC,CAAC,CAAC,IAAI,CAAC,QAAQ,EAAE,CAAC,CAAC;YACzE,CAAC;iBAAM,CAAC;gBACN,OAAO,sBAAsB,CAAC;YAChC,CAAC;QACH,CAAC,CAAC,CAAC;IACL,CAAC;yHA9FU,eAAe;6HAAf,eAAe,cADH,MAAM;;sGAClB,eAAe;kBAD3B,UAAU;mBAAC,EAAC,UAAU,EAAE,MAAM,EAAC","sourcesContent":["/**\n * @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.dev/license\n */\n\nimport {\n  Compiler,\n  createEnvironmentInjector,\n  EnvironmentInjector,\n  Injectable,\n  OnDestroy,\n} from '@angular/core';\nimport {from, Observable, of, Subscription} from 'rxjs';\nimport {catchError, concatMap, filter, mergeAll, mergeMap} from 'rxjs/operators';\n\nimport {Event, NavigationEnd} from './events';\nimport {LoadedRouterConfig, Route, Routes} from './models';\nimport {Router} from './router';\nimport {RouterConfigLoader} from './router_config_loader';\n\n/**\n * @description\n *\n * Provides a preloading strategy.\n *\n * @publicApi\n */\nexport abstract class PreloadingStrategy {\n  abstract preload(route: Route, fn: () => Observable<any>): Observable<any>;\n}\n\n/**\n * @description\n *\n * Provides a preloading strategy that preloads all modules as quickly as possible.\n *\n * ```\n * RouterModule.forRoot(ROUTES, {preloadingStrategy: PreloadAllModules})\n * ```\n *\n * @publicApi\n */\n@Injectable({providedIn: 'root'})\nexport class PreloadAllModules implements PreloadingStrategy {\n  preload(route: Route, fn: () => Observable<any>): Observable<any> {\n    return fn().pipe(catchError(() => of(null)));\n  }\n}\n\n/**\n * @description\n *\n * Provides a preloading strategy that does not preload any modules.\n *\n * This strategy is enabled by default.\n *\n * @publicApi\n */\n@Injectable({providedIn: 'root'})\nexport class NoPreloading implements PreloadingStrategy {\n  preload(route: Route, fn: () => Observable<any>): Observable<any> {\n    return of(null);\n  }\n}\n\n/**\n * The preloader optimistically loads all router configurations to\n * make navigations into lazily-loaded sections of the application faster.\n *\n * The preloader runs in the background. When the router bootstraps, the preloader\n * starts listening to all navigation events. After every such event, the preloader\n * will check if any configurations can be loaded lazily.\n *\n * If a route is protected by `canLoad` guards, the preloaded will not load it.\n *\n * @publicApi\n */\n@Injectable({providedIn: 'root'})\nexport class RouterPreloader implements OnDestroy {\n  private subscription?: Subscription;\n\n  constructor(\n    private router: Router,\n    compiler: Compiler,\n    private injector: EnvironmentInjector,\n    private preloadingStrategy: PreloadingStrategy,\n    private loader: RouterConfigLoader,\n  ) {}\n\n  setUpPreloading(): void {\n    this.subscription = this.router.events\n      .pipe(\n        filter((e: Event) => e instanceof NavigationEnd),\n        concatMap(() => this.preload()),\n      )\n      .subscribe(() => {});\n  }\n\n  preload(): Observable<any> {\n    return this.processRoutes(this.injector, this.router.config);\n  }\n\n  /** @nodoc */\n  ngOnDestroy(): void {\n    if (this.subscription) {\n      this.subscription.unsubscribe();\n    }\n  }\n\n  private processRoutes(injector: EnvironmentInjector, routes: Routes): Observable<void> {\n    const res: Observable<any>[] = [];\n    for (const route of routes) {\n      if (route.providers && !route._injector) {\n        route._injector = createEnvironmentInjector(\n          route.providers,\n          injector,\n          `Route: ${route.path}`,\n        );\n      }\n\n      const injectorForCurrentRoute = route._injector ?? injector;\n      const injectorForChildren = route._loadedInjector ?? injectorForCurrentRoute;\n\n      // Note that `canLoad` is only checked as a condition that prevents `loadChildren` and not\n      // `loadComponent`. `canLoad` guards only block loading of child routes by design. This\n      // happens as a consequence of needing to descend into children for route matching immediately\n      // while component loading is deferred until route activation. Because `canLoad` guards can\n      // have side effects, we cannot execute them here so we instead skip preloading altogether\n      // when present. Lastly, it remains to be decided whether `canLoad` should behave this way\n      // at all. Code splitting and lazy loading is separate from client-side authorization checks\n      // and should not be used as a security measure to prevent loading of code.\n      if (\n        (route.loadChildren && !route._loadedRoutes && route.canLoad === undefined) ||\n        (route.loadComponent && !route._loadedComponent)\n      ) {\n        res.push(this.preloadConfig(injectorForCurrentRoute, route));\n      }\n      if (route.children || route._loadedRoutes) {\n        res.push(this.processRoutes(injectorForChildren, (route.children ?? route._loadedRoutes)!));\n      }\n    }\n    return from(res).pipe(mergeAll());\n  }\n\n  private preloadConfig(injector: EnvironmentInjector, route: Route): Observable<void> {\n    return this.preloadingStrategy.preload(route, () => {\n      let loadedChildren$: Observable<LoadedRouterConfig | null>;\n      if (route.loadChildren && route.canLoad === undefined) {\n        loadedChildren$ = this.loader.loadChildren(injector, route);\n      } else {\n        loadedChildren$ = of(null);\n      }\n\n      const recursiveLoadChildren$ = loadedChildren$.pipe(\n        mergeMap((config: LoadedRouterConfig | null) => {\n          if (config === null) {\n            return of(void 0);\n          }\n          route._loadedRoutes = config.routes;\n          route._loadedInjector = config.injector;\n          // If the loaded config was a module, use that as the module/module injector going\n          // forward. Otherwise, continue using the current module/module injector.\n          return this.processRoutes(config.injector ?? injector, config.routes);\n        }),\n      );\n      if (route.loadComponent && !route._loadedComponent) {\n        const loadComponent$ = this.loader.loadComponent(route);\n        return from([recursiveLoadChildren$, loadComponent$]).pipe(mergeAll());\n      } else {\n        return recursiveLoadChildren$;\n      }\n    });\n  }\n}\n"]}