add: handleThreadMemberUpdate

src/handlers/channels/THREAD_MEMBER_UPDATE.ts

@@ -0,0 +1,20 @@
+import { eventHandlers } from "../../bot.ts";
+import { cacheHandlers } from "../../cache.ts";
+import { ThreadMember } from "../../types/channels/threads/thread_member.ts";
+import { DiscordGatewayPayload } from "../../types/gateway/gateway_payload.ts";
+import { snowflakeToBigint } from "../../util/bigint.ts";
+
+export async function handleThreadMemberUpdate(data: DiscordGatewayPayload) {
+  const payload = data.d as ThreadMember;
+  const thread = await cacheHandlers.get(
+    "channels",
+    snowflakeToBigint(payload.id),
+  );
+  if (!thread) return;
+
+  thread.member = payload;
+
+  await cacheHandlers.set("channels", thread.id, thread);
+
+  eventHandlers.threadMemberUpdate?.(payload);
+}