Events 绑定更新PWA:swUpdate.isEnabled为true,但即使更改了ngsw-config.json,也不会调用订阅的方法
服务/pwa.service.ts:Events 绑定更新PWA:swUpdate.isEnabled为true,但即使更改了ngsw-config.json,也不会调用订阅的方法,events,service-worker,progressive-web-apps,angular-service-worker,Events,Service Worker,Progressive Web Apps,Angular Service Worker,服务/pwa.service.ts: import { Injectable } from '@angular/core'; import { SwUpdate } from '@angular/service-worker'; import {Observable} from "rxjs/Observable"; import "rxjs/add/observable/interval"; @Injectable() export class PwaService { public pr
import { Injectable } from '@angular/core';
import { SwUpdate } from '@angular/service-worker';
import {Observable} from "rxjs/Observable";
import "rxjs/add/observable/interval";
@Injectable()
export class PwaService {
public promptEvent: any;
constructor(private swUpdate: SwUpdate) {
alert('swUpdate isEnabled:' + swUpdate.isEnabled);// => alerts true
if (swUpdate.isEnabled) {
Observable.interval(10)
.subscribe(() => swUpdate.checkForUpdate().then(() => alert('checking for swUpdate')));//<= Not triggered
}
}
public checkForUpdates(): void {
this.swUpdate.available.subscribe(event => this.promptUser());
}
private promptUser(): void {
alert('updating to new version');//<=Not triggered either
this.swUpdate.activateUpdate()
.then(() => document.location.reload());
}
}
app.modules.ts:
imports: [
....
ServiceWorkerModule.register('ngsw-worker.js', { enabled: environment.production }),
]
providers: [
...
PwaService,
]
app.component.ts:
import { PwaService } from './services/pwa.service';
....
constructor(public Pwa: PwaService) {
this.Pwa.checkForUpdates();
}
ngsw config.json(只是从lazy
到prefetch
的微小更改)来触发更新:
....
"installMode": "prefetch",
....
这在所有设备上都适用:
export class PwaUpdateService {
updateSubscription;
constructor(public updates: SwUpdate) {
}
public checkForUpdates(): void {
this.updateSubscription = this.updates.available.subscribe(event => this.promptUser());
if (this.updates.isEnabled) {
// Required to enable updates on Windows and ios.
this.updates.activateUpdate();
interval(60 * 60 * 1000).subscribe(() => {
this.updates.checkForUpdate().then(() => {
// console.log('checking for updates');
});
});
}
// Important: on Safari (ios) Heroku doesn't auto redirect links to their https which allows the installation of the pwa like usual
// but it deactivates the swUpdate. So make sure to open your pwa on safari like so: https://example.com then (install/add to home)
}
promptUser(): void {
this.updates.activateUpdate().then(() => {
window.location.reload();
});
}
}
这在所有设备上都适用:
export class PwaUpdateService {
updateSubscription;
constructor(public updates: SwUpdate) {
}
public checkForUpdates(): void {
this.updateSubscription = this.updates.available.subscribe(event => this.promptUser());
if (this.updates.isEnabled) {
// Required to enable updates on Windows and ios.
this.updates.activateUpdate();
interval(60 * 60 * 1000).subscribe(() => {
this.updates.checkForUpdate().then(() => {
// console.log('checking for updates');
});
});
}
// Important: on Safari (ios) Heroku doesn't auto redirect links to their https which allows the installation of the pwa like usual
// but it deactivates the swUpdate. So make sure to open your pwa on safari like so: https://example.com then (install/add to home)
}
promptUser(): void {
this.updates.activateUpdate().then(() => {
window.location.reload();
});
}
}
我猜你尝试过隐姓埋名并清除缓存的东西,还将服务器设置为不缓存文件?你的“网络”选项卡是什么样子的?我猜你是在检查ngsw.json,试图隐姓埋名,清除缓存的内容,并将服务器设置为不缓存文件?您的网络选项卡是什么样子的,检查ngsw.json,