@ngx-ext/google-analytics/esm2015/lib/ga.service.js

Google Analytics for your Angular application

import { EventEmitter, Inject, Injectable, Optional } from '@angular/core';
import { interval, ReplaySubject, throwError, timer } from 'rxjs';
import { filter, first, switchMap, takeUntil, tap } from 'rxjs/operators';
import { GA_OPTIONS, GA_TOKEN } from './ga.token';
export class GoogleAnalyticsService {
    constructor(trackingId, options) {
        this.event = new EventEmitter();
        this.pageView = new EventEmitter();
        this.queue = new ReplaySubject();
        if (trackingId) {
            this.configure(trackingId, options);
        }
    }
    configure(trackingId, options = 'auto') {
        this.ga('create', trackingId, options);
        this.ga('send', 'pageview');
        this.event.subscribe((x) => {
            this.onEvent(x);
        });
        this.pageView.subscribe((x) => {
            this.onPageView(x);
        });
        const timer$ = timer(20000)
            .pipe(switchMap(() => throwError(new Error('Could not load GA'))));
        interval(50)
            .pipe(takeUntil(timer$), filter(() => Boolean(window.ga)), first(), switchMap(() => this.queue), tap(args => {
            window.ga(...args); // tslint:disable-line:no-unsafe-any
        }))
            .subscribe();
    }
    set(key, value) {
        if (typeof key !== 'string' && typeof key !== 'object') {
            throw new TypeError(`Expected \`fieldName\` to be of type \`string\` or \`object\`, got \`${typeof key}\``);
        }
        if (typeof key === 'string' && value === undefined) {
            throw new TypeError('Expected `fieldValue` to not be `undefined`');
        }
        if (typeof key === 'object') {
            this.ga('set', key);
        }
        else {
            this.ga('set', key, value);
        }
    }
    onEvent(event) {
        this.ga('send', 'event', event.category, event.action, event.label, event.value);
    }
    onPageView(pageview) {
        const fieldsObject = {};
        if (pageview.title) {
            fieldsObject.title = pageview.title;
        }
        this.ga('send', 'pageview', pageview.page, fieldsObject);
    }
    ga(...args) {
        this.queue.next(args);
    }
}
GoogleAnalyticsService.decorators = [
    { type: Injectable }
];
/** @nocollapse */
GoogleAnalyticsService.ctorParameters = () => [
    { type: String, decorators: [{ type: Optional }, { type: Inject, args: [GA_TOKEN,] }] },
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [GA_OPTIONS,] }] }
];
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