@bloomscorp/ngx-pixel/fesm2022/bloomscorp-ngx-pixel.mjs.map

An Angular library to simplify the use of a Facebook Pixel. This is directly forked from https://github.com/NielsCodes/ngx-pixel since the library is no longer maintained.

{"version":3,"file":"bloomscorp-ngx-pixel.mjs","sources":["../../../projects/pixel/src/lib/pixel.service.ts","../../../projects/pixel/src/lib/pixel.module.ts","../../../projects/pixel/src/bloomscorp-ngx-pixel.ts"],"sourcesContent":["import { PixelEventName, PixelConfiguration, PixelEventProperties } from './pixel.models';\nimport { Inject, Injectable, Optional, PLATFORM_ID, Renderer2, RendererFactory2 } from '@angular/core';\nimport { NavigationEnd, Router } from '@angular/router';\nimport { DOCUMENT, isPlatformBrowser } from '@angular/common';\nimport { filter } from 'rxjs/operators';\n\ndeclare const fbq: any;\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class PixelService {\n\n  private doc: Document;\n  private renderer: Renderer2\n\n  constructor(\n    @Inject('config') private config: PixelConfiguration,\n    @Inject(DOCUMENT) private injectedDocument: any,\n    @Inject(PLATFORM_ID) private platformId: Object,\n    @Optional() private router: Router,\n    private rendererFactory: RendererFactory2\n  ) {\n\n    // DOCUMENT cannot be injected directly as Document type, see https://github.com/angular/angular/issues/20351\n    // It is therefore injected as any and then cast to Document\n    this.doc = injectedDocument as Document;\n    this.renderer = rendererFactory.createRenderer(null, null);\n\n    if (router) {\n      // Log page views after router navigation ends\n      router.events.pipe(filter(event => event instanceof NavigationEnd)).subscribe(event => {\n\n        if (this.isLoaded()) {\n          this.track('PageView');\n        }\n\n      });\n    }\n\n  }\n\n  /**\n   * Initialize the Pixel tracking script\n   * - Adds the script to page's head\n   * - Tracks first page view\n   */\n  initialize(pixelId = this.config.pixelId): void {\n    if (this.isLoaded()) {\n      console.warn('Tried to initialize a Pixel instance while another is already active. Please call `remove()` before initializing a new instance.');\n      return;\n    }\n    this.config.enabled = true;\n    this.addPixelScript(pixelId);\n  }\n\n  /** Remove the Pixel tracking script */\n  remove(): void {\n    this.removePixelScript();\n    this.config.enabled = false;\n  }\n\n  /**\n   * Track a Standard Event as predefined by Facebook\n   *\n   * See {@link https://developers.facebook.com/docs/facebook-pixel/reference Facebook Pixel docs - reference}\n   * @param eventName The name of the event that is being tracked\n   * @param properties Optional properties of the event\n   */\n  track(\n    eventName: PixelEventName,\n    properties?: PixelEventProperties\n  ): void {\n    if (!isPlatformBrowser(this.platformId)) {\n      return;\n    }\n\n    if (!this.isLoaded()) {\n      console.warn('Tried to track an event without initializing a Pixel instance. Call `initialize()` first.');\n      return;\n    }\n\n    if (properties) {\n      fbq('track', eventName, properties);\n    } else {\n      fbq('track', eventName);\n    }\n\n  }\n\n  /**\n   * Track a custom Event\n   *\n   * See {@link https://developers.facebook.com/docs/facebook-pixel/implementation/conversion-tracking#custom-conversions Facebook Pixel docs - custom conversions}\n   * @param eventName The name of the event that is being tracked\n   * @param properties Optional properties of the event\n   */\n  trackCustom(eventName: string, properties?: object): void {\n    if (!isPlatformBrowser(this.platformId)) {\n      return;\n    }\n\n    if (!this.isLoaded()) {\n      console.warn('Tried to track an event without initializing a Pixel instance. Call `initialize()` first.');\n      return;\n    }\n\n    if (properties) {\n      fbq('trackCustom', eventName, properties);\n    } else {\n      fbq('trackCustom', eventName);\n    }\n  }\n\n  /**\n   * Adds the Facebook Pixel tracking script to the application\n   * @param pixelId The Facebook Pixel ID to use\n   */\n  private addPixelScript(pixelId: string): void {\n    if (!isPlatformBrowser(this.platformId)) {\n      return;\n    }\n\n    const pixelCode = `\n    var pixelCode = function(f,b,e,v,n,t,s)\n    {if(f.fbq)return;n=f.fbq=function(){n.callMethod?\n    n.callMethod.apply(n,arguments):n.queue.push(arguments)};\n    if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\n    n.queue=[];t=b.createElement(e);t.async=!0;\n    t.src=v;s=b.getElementsByTagName(e)[0];\n    s.parentNode.insertBefore(t,s)}(window, document,'script',\n    'https://connect.facebook.net/en_US/fbevents.js');\n    fbq('init', '${pixelId}');\n    fbq('track', 'PageView');`;\n\n\n    const scriptElement = this.renderer.createElement('script');\n    this.renderer.setAttribute(scriptElement, 'id', 'pixel-script');\n    this.renderer.setAttribute(scriptElement, 'type', 'text/javascript');\n    this.renderer.setProperty(scriptElement, 'innerHTML', pixelCode);\n    this.renderer.appendChild(this.doc.head, scriptElement);\n  }\n\n  /** Remove Facebook Pixel tracking script from the application */\n  private removePixelScript(): void {\n    if (!isPlatformBrowser(this.platformId)) {\n      return;\n    }\n    const pixelElement = this.doc.getElementById('pixel-script');\n    if (pixelElement) {\n      pixelElement.remove();\n    }\n  }\n\n  /** Checks if the script element is present */\n  private isLoaded(): boolean {\n    if (isPlatformBrowser(this.platformId)) {\n      const pixelElement = this.doc.getElementById('pixel-script');\n      return !!pixelElement;\n    }\n    return false;\n  }\n\n}\n","import { PixelConfiguration } from './pixel.models';\nimport { Inject, ModuleWithProviders, NgModule, PLATFORM_ID } from '@angular/core';\nimport { isPlatformBrowser } from '@angular/common';\nimport { PixelService } from './pixel.service';\n\n@NgModule({\n  imports: [],\n})\nexport class PixelModule {\n\n  private static config: PixelConfiguration | null = null;\n\n  constructor(\n    private pixel: PixelService,\n    @Inject(PLATFORM_ID) platformId: Object\n  ) {\n    if (!PixelModule.config) {\n      throw Error('ngx-pixel not configured correctly. Pass the `pixelId` property to the `forRoot()` function');\n    }\n    if (PixelModule.config.enabled && isPlatformBrowser(platformId)) {\n      this.pixel.initialize();\n    }\n  }\n\n  /**\n   * Initiale the Facebook Pixel Module\n   *\n   * Add your Pixel ID as parameter\n   */\n  static forRoot(config: PixelConfiguration): ModuleWithProviders<PixelModule> {\n    this.config = config;\n    const pixelId = config.pixelId;\n    this.verifyPixelId(pixelId);\n\n    return {\n      ngModule: PixelModule,\n      providers: [PixelService, { provide: 'config', useValue: config }]\n    };\n  }\n\n  /**\n   * Verifies the Pixel ID that was passed into the configuration.\n   * - Checks if Pixel was initialized\n   * @param pixelId Pixel ID to verify\n   */\n  private static verifyPixelId(pixelId: string): void {\n    // Have to verify first that all Pixel IDs follow the same 15 digit format\n    if (pixelId === null || pixelId === undefined || pixelId.length === 0) {\n      throw Error('Invalid Facebook Pixel ID. Did you pass the ID into the forRoot() function?');\n    }\n  }\n\n}\n","/**\n * Generated bundle index. 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