add: THREAD_UPDATE event handler

src/handlers/channels/THREAD_UPDATE.ts

@@ -0,0 +1,16 @@
+import { eventHandlers } from "../../bot.ts";
+import { cacheHandlers } from "../../cache.ts";
+import { structures } from "../../structures/mod.ts";
+import { Channel } from "../../types/channels/channel.ts";
+import { DiscordGatewayPayload } from "../../types/gateway/gateway_payload.ts";
+
+export async function handleThreadUpdate(data: DiscordGatewayPayload) {
+  const payload = data.d as Channel;
+  const oldChannel = await cacheHandlers.get("channels", payload.id);
+  if (!oldChannel) return;
+
+  const discordenoChannel = await structures.createDiscordenoChannel(payload);
+  await cacheHandlers.set("channels", discordenoChannel.id, discordenoChannel);
+
+  eventHandlers.threadUpdate?.(discordenoChannel, oldChannel);
+}