tyler is bae <3

src/helpers/channels/threads/join_thread.ts

@@ -0,0 +1,14 @@
+import { cacheHandlers } from "../../../cache.ts";
+import { rest } from "../../../rest/rest.ts";
+import { Errors } from "../../../types/discordeno/errors.ts";
+import { endpoints } from "../../../util/constants.ts";
+
+/** Adds the bot to the thread. Cannot join an archived thread. */
+export async function joinThread(threadId: bigint) {
+  const thread = await cacheHandlers.get("threads", threadId);
+  if (thread?.archived) {
+    throw new Error(Errors.CANNOT_ADD_USER_TO_ARCHIVED_THREADS);
+  }
+
+  return await rest.runMethod("put", endpoints.THREAD_ME(threadId));
+}