cleanup: fix deepscan issues (#3740)

* fix: don't double check if shards are auto.

* fix: remove useless roles array.

* fix: remove useless undefined checks.

* fix: remove useless `this` binding

* Apply suggestions from code review

Co-Authored-By: Sugden <28943913+NotSugden@users.noreply.github.com>

* Fix: Space's suggestion

* Fix: time is always truthy

* Check if it's an invalid date.

Co-authored-by: Sugden <28943913+NotSugden@users.noreply.github.com>

src/client/voice/dispatcher/StreamDispatcher.js

@@ -73,10 +73,10 @@ class StreamDispatcher extends Writable {
       this._setSpeaking(0);
     });
 
-    if (typeof volume !== 'undefined') this.setVolume(volume);
+    this.setVolume(volume);
+    this.setBitrate(bitrate);
     if (typeof fec !== 'undefined') this.setFEC(fec);
     if (typeof plp !== 'undefined') this.setPLP(plp);
-    if (typeof bitrate !== 'undefined') this.setBitrate(bitrate);
 
     const streamError = (type, err) => {
       /**

src/client/websocket/WebSocketManager.js

@@ -158,7 +158,7 @@ class WebSocketManager extends EventEmitter {
     if (shards === 'auto') {
       this.debug(`Using the recommended shard count provided by Discord: ${recommendedShards}`);
       this.totalShards = this.client.options.shardCount = recommendedShards;
-      if (shards === 'auto' || !this.client.options.shards.length) {
+      if (!this.client.options.shards.length) {
         this.client.options.shards = Array.from({ length: recommendedShards }, (_, i) => i);
       }
     }

src/client/websocket/handlers/CHANNEL_PINS_UPDATE.js

@@ -6,7 +6,7 @@ module.exports = (client, { d: data }) => {
   const channel = client.channels.get(data.channel_id);
   const time = new Date(data.last_pin_timestamp);
 
-  if (channel && time) {
+  if (channel && !Number.isNaN(time.getTime())) {
     // Discord sends null for last_pin_timestamp if the last pinned message was removed
     channel.lastPinTimestamp = time.getTime() || null;