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Angular + Piano Analytics
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| import { Injectable } from '@angular/core'; | |
| import { NavigationEnd, Router } from '@angular/router'; | |
| import { filter, map } from 'rxjs/operators'; | |
| import { logger } from '~/logger'; | |
| import { Config } from '~/config'; | |
| const log = logger.getLogger('AnalyticsService'); | |
| // Global variables used by piano analytics | |
| declare global { | |
| interface Window { | |
| _pac: any; | |
| _paqueue: any[]; | |
| } | |
| } | |
| interface IPianoConfig { | |
| site: number | string; | |
| collectDomain: string; | |
| } | |
| @Injectable({ providedIn: 'root' }) | |
| export class AnalyticsService { | |
| constructor(router: Router, globalConfig: Config) { | |
| log.debug(`Init Analytics service on ${router.routerState}`); | |
| // Check piano analytics configuration | |
| const config: IPianoConfig = globalConfig.getPianoAnalyticsConfig(); | |
| if (!config.site || !config.collectDomain) { | |
| log.warn('Missing piano analytics configuration'); | |
| return; | |
| } | |
| // Inject piano analytics script asynchronously | |
| const script = document.createElement('script'); | |
| script.src = 'https://tag.aticdn.net/js-sdk/piano-analytics-6.13.0.js'; | |
| script.type = 'text/javascript'; | |
| script.async = true; | |
| script.crossOrigin = 'anonymous'; | |
| script.integrity = 'sha384-hZSi/V4z1wvN+Z/idXMbMuZ9zVoqApJTwCXGxajicf3LI4kEF51eH1c/38wV6Dln'; | |
| document.head.appendChild(script); | |
| // Init piano analytics context | |
| window._pac = window._pac || {}; | |
| window._pac.queueVarName = '_paqueue'; | |
| // Init piano analytics queue | |
| const dataLayer = (window._paqueue = []); | |
| // Init piano analytics configuration | |
| dataLayer.push(['setConfigurations', config]); | |
| // Send page display event on each navigation end | |
| router.events | |
| .pipe(filter((event): event is NavigationEnd => event instanceof NavigationEnd)) | |
| .pipe(map((event) => event.urlAfterRedirects)) | |
| .subscribe((page) => dataLayer.push(['sendEvent', 'page.display', { page }])); | |
| } | |
| } |
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| // ... | |
| @NgModule({ | |
| // ... | |
| providers: [ | |
| { | |
| provide: APP_INITIALIZER, | |
| useFactory: () => () => {}, | |
| deps: [AnalyticsService], | |
| multi: true | |
| } | |
| // ... |
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| import { Injectable } from '@angular/core'; | |
| // Global variables used for config | |
| declare global { | |
| interface Window { | |
| _config: () => IGlobalConfig; | |
| } | |
| } | |
| interface IGlobalConfig { | |
| // ... | |
| pianoAnalyticsSiteIdentifier: number; | |
| pianoAnalyticsCollectDomain: string; | |
| } | |
| @Injectable({ providedIn: 'root' }) | |
| export class Config { | |
| private conf: IGlobalConfig; | |
| // ... | |
| public getPianoAnalyticsConfig() { | |
| return { | |
| site: this.conf.pianoAnalyticsSiteIdentifier, | |
| collectDomain: this.conf.pianoAnalyticsCollectDomain | |
| }; | |
| } | |
| } |
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