Inform that the user that config keys are missing (#880)

src/PosthogAnalytics.ts

@@ -94,7 +94,7 @@ export class PosthogAnalytics {
   private static ANALYTICS_EVENT_TYPE = "im.vector.analytics";
 
   // set true during the constructor if posthog config is present, otherwise false
-  private static internalInstance = null;
+  private static internalInstance: PosthogAnalytics | null = null;
 
   private identificationPromise: Promise<void>;
   private readonly enabled: boolean = false;
@@ -137,6 +137,9 @@ export class PosthogAnalytics {
       });
       this.enabled = true;
     } else {
+      logger.info(
+        "Posthog is not enabled because there is no api key or no host given in the config"
+      );
       this.enabled = false;
     }
     this.startListeningToSettingsChanges();
@@ -225,9 +228,7 @@ export class PosthogAnalytics {
   }
 
   public async identifyUser(analyticsIdGenerator: () => string) {
-    // There might be a better way to get the client here.
+    if (this.anonymity == Anonymity.Pseudonymous && this.enabled) {
-
-    if (this.anonymity == Anonymity.Pseudonymous) {
       // Check the user's account_data for an analytics ID to use. Storing the ID in account_data allows
       // different devices to send the same ID.
       let analyticsID = await this.getAnalyticsId();

src/initializer.tsx

@@ -214,5 +214,5 @@ export class Initializer {
       resolve();
     }
   }
-  private initPromise: Promise<void>;
+  private initPromise: Promise<void> | null;
 }