Adds Azure App Insights to every page as part of an SPFx Application Customizer.

COBSPFxApplicationCustomizer_AppInsights_Simple.ts

export default class AppInsightsCustomizerApplicationCustomizer
  extends BaseApplicationCustomizer<IAppInsightsCustomizerApplicationCustomizerProperties> {

  @override
  public onInit(): Promise<void> {
    /* update with YOUR App Insights key: */
    let appInsightsKey: string = "bd755e10-2e26-4580-8d58-446c0dd329fe";

    AppInsights.downloadAndSetup({ instrumentationKey: appInsightsKey });

    // simple usage - all params will be derived..
    AppInsights.trackPageView();

    console.log(`OnInit: Called trackPageView().`);

    return Promise.resolve<void>();
  }