feat: Add message to send resume event to shard (#9626)

* fix(WebSocketManager): Fix not ready after reconnect

* fix(WebSocketManager): Move fixes from Ready to Resume

* fix: undo changes

* feat: Add message to send resume event to shard

---------

Co-authored-by: GrapeColor <grapecolor@users.noreply.github.com>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: GrapeColor

packages/discord.js/src/sharding/Shard.js

@@ -367,6 +367,12 @@ class Shard extends EventEmitter {
         return;
       }
 
+      // Shard has resumed
+      if (message._resume) {
+        this.ready = true;
+        return;
+      }
+
       // Shard is requesting a property fetch
       if (message._sFetchProp) {
         const resp = { _sFetchProp: message._sFetchProp, _sFetchPropShard: message._sFetchPropShard };

packages/discord.js/src/sharding/ShardClientUtil.js

@@ -42,6 +42,9 @@ class ShardClientUtil {
         client.on(Events.ShardReconnecting, () => {
           process.send({ _reconnecting: true });
         });
+        client.on(Events.ShardResume, () => {
+          process.send({ _resume: true });
+        });
         break;
       case 'worker':
         this.parentPort = require('node:worker_threads').parentPort;
@@ -55,6 +58,9 @@ class ShardClientUtil {
         client.on(Events.ShardReconnecting, () => {
           this.parentPort.postMessage({ _reconnecting: true });
         });
+        client.on(Events.ShardResume, () => {
+          this.parentPort.postMessage({ _resume: true });
+        });
         break;
     }
   }