Update handle_on_message.ts

src/ws/handle_on_message.ts

@@ -8,6 +8,7 @@ import { delay } from "../util/utils.ts";
 import { decompressWith } from "./deps.ts";
 import { identify } from "./identify.ts";
 import { resume } from "./resume.ts";
+import { sendShardMessage } from "./send_shard_message.ts";
 import { ws } from "./ws.ts";
 
 /** Handler for handling every message event from websocket. */
@@ -38,11 +39,10 @@ export async function handleOnMessage(message: any, shardId: number) {
 
       shard.heartbeat.lastSentAt = Date.now();
       // Discord randomly sends this requiring an immediate heartbeat back
-      shard.queue.unshift({
+      sendShardMessage(shard, {
         op: DiscordGatewayOpcodes.Heartbeat,
         d: shard?.previousSequenceNumber,
-      });
-      ws.processQueue(shard.id);
+      }, true);
       break;
     case DiscordGatewayOpcodes.Hello:
       ws.heartbeat(