Adding synchronous delay

Author: Samruddhi90

packages/remote-config/src/client/realtime_handler.ts

@@ -406,9 +406,11 @@ export class RealtimeHandler {
 
     const timeTillFetchSeconds = this.getRandomInt(4);
     const timeTillFetchInMiliseconds = timeTillFetchSeconds * 1000;
-    setTimeout(async () => {
-      await this.fetchLatestConfig(remainingAttempts, targetVersion);
-    }, timeTillFetchInMiliseconds);
+
+    await new Promise(resolve =>
+      setTimeout(resolve, timeTillFetchInMiliseconds)
+    );
+    await this.fetchLatestConfig(remainingAttempts, targetVersion);
   }
 
   private async handleNotifications(
@@ -633,9 +635,8 @@ export class RealtimeHandler {
     }
     if (this.httpRetriesRemaining > 0) {
       this.httpRetriesRemaining--;
-      setTimeout(async () => {
-        await this.beginRealtimeHttpStream();
-      }, delayMillis);
+      await new Promise(resolve => setTimeout(resolve, delayMillis));
+      await this.beginRealtimeHttpStream();
     } else if (!this.isInBackground) {
       const error = ERROR_FACTORY.create(ErrorCode.CONFIG_UPDATE_STREAM_ERROR, {
         originalErrorMessage:

packages/remote-config/src/storage/storage.ts

@@ -192,10 +192,6 @@ export abstract class Storage {
     return this.get<RealtimeBackoffMetadata>('realtime_backoff_metadata');
   }
 
-  getLastKnownTemplateVersion(): Promise<number | undefined> {
-    return this.get<number>('last_known_template_version');
-  }
-
   setRealtimeBackoffMetadata(
     realtimeMetadata: RealtimeBackoffMetadata
   ): Promise<void> {
@@ -205,6 +201,10 @@ export abstract class Storage {
     );
   }
 
+  getLastKnownTemplateVersion(): Promise<number | undefined> {
+    return this.get<number>('last_known_template_version');
+  }
+
   setLastKnownTemplateVersion(version: number): Promise<void> {
     return this.set<number>('last_known_template_version', version);
   }