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Checking internet connection & preload requirement #12

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Checking internet connection & preload requirement #12

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810b3ed
Checking internet connection & preload requirement
yazharasu Sep 21, 2022
6bf0810
route fix
yazharasu Sep 25, 2022
63f13af
route fix
yazharasu Sep 25, 2022
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28 changes: 22 additions & 6 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -39,15 +39,31 @@ export class IdlePreload /*implements PreloadingStrategy*/ {
* include zone to run outside of zone.js
*/
constructor(private _ngZone: NgZone, @Inject(REQUEST_IDLE_CALLBACK) private requestIdleCallback: any) {}
loadingRoute = new Set<Route>();
loading = true;

/*To avoid reloading the route*/
if (this.loadingRoute.has(route)) {
this.loading = false;
}
/*Checking for slow internet connection*/
const conn = typeof navigator !== 'undefined' ? (navigator as any).connection : undefined;
if (conn) {
if ((conn.effectiveType || '').includes('2g') || conn.saveData) { this.loading = false};
}

/*
* fire off preloading async modules
* fire off preloading async modules - loading only required modules
*/
preload(route: /*Route*/ any, fn: any /* () => Observable<any>*/ ): any/* Observable<any> */ {
this.requestIdleCallback(fn);
return of(null);
}

if (this.loading) {
if(route.data && !route.data.preload) {
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return null;
} else {
preload(route: /*Route*/ any, fn: any /* () => Observable<any>*/ ): any/* Observable<any> */ {
this.requestIdleCallback(fn);
return of(null);
}
}
}

/*
Expand Down