types(GuildChannelManager): Handle forum channel overload (#8660)

types(GuildChannelManager): handle forum channel overload

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

Author: Jiralite

packages/discord.js/typings/index.d.ts

@@ -706,7 +706,7 @@ export interface MappedChannelCategoryTypes {
   [ChannelType.GuildVoice]: VoiceChannel;
   [ChannelType.GuildText]: TextChannel;
   [ChannelType.GuildStageVoice]: StageChannel;
-  [ChannelType.GuildForum]: never; // TODO: Fix when guild forums come out
+  [ChannelType.GuildForum]: ForumChannel;
 }
 
 export type CategoryChannelType = Exclude<

packages/discord.js/typings/index.test-d.ts

@@ -1369,6 +1369,7 @@ declare const guildChannelManager: GuildChannelManager;
   expectType<Promise<TextChannel>>(guildChannelManager.create({ name: 'name', type: ChannelType.GuildText }));
   expectType<Promise<NewsChannel>>(guildChannelManager.create({ name: 'name', type: ChannelType.GuildAnnouncement }));
   expectType<Promise<StageChannel>>(guildChannelManager.create({ name: 'name', type: ChannelType.GuildStageVoice }));
+  expectType<Promise<ForumChannel>>(guildChannelManager.create({ name: 'name', type: ChannelType.GuildForum }));
 
   expectType<Promise<Collection<Snowflake, NonThreadGuildBasedChannel | null>>>(guildChannelManager.fetch());
   expectType<Promise<Collection<Snowflake, NonThreadGuildBasedChannel | null>>>(