fix(service-worker): handle error with ErrorHandler

Errors thrown by calling serviceWorker.register() are now passed to the global ErrorHandler. Fixes #39913
angular · chrisguttandin · Dec 5, 2020 · Dec 8, 2020 · 552419d0aaaef0aaaa04853226e100a7df57fdcf
commit 552419d0aaaef0aaaa04853226e100a7df57fdcf
diff --git a/packages/service-worker/src/module.ts b/packages/service-worker/src/module.ts
@@ -7,7 +7,7 @@
  */
 
 import {isPlatformBrowser} from '@angular/common';
-import {APP_INITIALIZER, ApplicationRef, InjectionToken, Injector, ModuleWithProviders, NgModule, NgZone, PLATFORM_ID} from '@angular/core';
+import {APP_INITIALIZER, ApplicationRef, ErrorHandler, InjectionToken, Injector, ModuleWithProviders, NgModule, NgZone, PLATFORM_ID} from '@angular/core';
 import {merge, Observable, of} from 'rxjs';
 import {delay, filter, take} from 'rxjs/operators';
 
@@ -128,9 +128,10 @@ export function ngswAppInitializer(
     const ngZone = injector.get(NgZone);
     ngZone.runOutsideAngular(
         () => readyToRegister$.pipe(take(1)).subscribe(
-            () =>
-                navigator.serviceWorker.register(script, {scope: options.scope})
-                    .catch(err => console.error('Service worker registration failed with:', err))));
+            () => navigator.serviceWorker.register(script, {scope: options.scope}).catch(err => {
+              const errorHandler = injector.get(ErrorHandler);
+              errorHandler.handleError(err);
+            })));
   };
   return initializer;
 }

diff --git a/packages/service-worker/test/module_spec.ts b/packages/service-worker/test/module_spec.ts
@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {ApplicationRef, PLATFORM_ID} from '@angular/core';
+import {ApplicationRef, ErrorHandler, PLATFORM_ID} from '@angular/core';
 import {fakeAsync, flushMicrotasks, TestBed, tick} from '@angular/core/testing';
 import {Subject} from 'rxjs';
 import {filter, take} from 'rxjs/operators';
@@ -21,6 +21,7 @@ describe('ServiceWorkerModule', () => {
     return;
   }
 
+  let errorHandlerSpy: jasmine.Spy;
   let swRegisterSpy: jasmine.Spy;
 
   const untilStable = () => {
@@ -34,9 +35,14 @@ describe('ServiceWorkerModule', () => {
 
   describe('register()', () => {
     const configTestBed = async (opts: SwRegistrationOptions) => {
+      const errorHandler = {handleError: () => {}};
+      errorHandlerSpy = spyOn(errorHandler, 'handleError');
       TestBed.configureTestingModule({
         imports: [ServiceWorkerModule.register('sw.js', opts)],
-        providers: [{provide: PLATFORM_ID, useValue: 'browser'}],
+        providers: [
+          {provide: ErrorHandler, useValue: errorHandler},
+          {provide: PLATFORM_ID, useValue: 'browser'},
+        ],
       });
 
       await untilStable();
@@ -71,12 +77,10 @@ describe('ServiceWorkerModule', () => {
     });
 
     it('catches and a logs registration errors', async () => {
-      const consoleErrorSpy = spyOn(console, 'error');
       swRegisterSpy.and.returnValue(Promise.reject('no reason'));
 
       await configTestBed({enabled: true, scope: 'foo'});
-      expect(consoleErrorSpy)
-          .toHaveBeenCalledWith('Service worker registration failed with:', 'no reason');
+      expect(errorHandlerSpy).toHaveBeenCalledWith('no reason');
     });
   });