feat: stage channels (#5456)

* feat: add stage channel type

* feat: initialise stage channel structure

* feat: add STAGE_MODERATOR permissions bitfield

* fix: typo in permissions

* fix(Channel): type selection logic

* feat: add rtcRegion to StageChannel and VoiceChannel

* feat: rtc region editing for stage and voice channels

* feat: stage channel userLimit

* feat: add stage channels to exports

* feat: add computed properties to stage channel

* feat(VoiceState): include stage channel in docs

* feat: allow ability to join stage channels

* feat(StageChannel): join and leave methods

* docs: add StageChannel link in GuildChannel docs

* feat(VoiceState): suppress and requestToSpeakTimestamp

* feat(StageChannel): setRequestToSpeak

* refactor(StageChannel): update setRequestToSpeak

* feat(VoiceState): add moveToSpeakers and moveToAudience

* feat(VoiceState): add methods to move in/out of speakers

* feat(VoiceState): add stage channel sanity checks

* feat(Permissions): add REQUEST_TO_SPEAK

* feat(VoiceState): simpler methods

* docs(VoiceState): add documentation for new methods

* refactor: remove unused error message

* chore: remove debug statements

* chore: revert changes to package-lock.json

* docs(VoiceState): clarify suppress

* docs(VoiceState): add missing @type param

* feat(StageChannel): remove nsfw property

* fix(VoiceState): check permissions in channel

Co-authored-by: Advaith <advaithj1@gmail.com>

* fix(VoiceState): instantiate error with new

Co-authored-by: BannerBomb <BannerBomb55@gmail.com>

* refactor(VoiceState): more readable API route builder

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

* style(VoiceState): fix lint errors

* docs(VoiceState): add example usage for new methods

* docs: setRTCRegion examples

* chore: update typings

* fix(VoiceState): calculate permissions for self

* refactor(VoiceState): tidy up implementation

* Update src/structures/VoiceState.js

Co-authored-by: Jan <66554238+vaporox@users.noreply.github.com>

* refactor: vaporox's suggestions

* style(VoiceState): fix linter errors

* chore: update typings

* chore: remove unused error message

* refactor(VoiceState): use optional chaining

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

* chore: move getters below constructor in typings

* refactor(StageChannel): optional chaining

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

* style(VoiceState): fix lint errors

* docs: fix incorrect types

Co-authored-by: izexi <43889168+izexi@users.noreply.github.com>

* Update src/structures/VoiceChannel.js

Co-authored-by: izexi <43889168+izexi@users.noreply.github.com>

* Update src/structures/VoiceChannel.js

Co-authored-by: izexi <43889168+izexi@users.noreply.github.com>

* refactor(VoiceState): use optional chaining

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

* refactor(StageChannel): remove permission override check in joinable

* refactor: make ChannelTypes a proper enum

* Use createEnum

Co-authored-by: izexi <43889168+izexi@users.noreply.github.com>

* chore: remove unused code from Constants

* refactor(StageChannel): remove unnecessary getters

* chore: update typings

* refactor: introduce BaseGuildVoiceChannel class

* refactor(VoiceChannel): reduce code duplication

* feat: export BaseGuildVoiceChannel

* chore: update typings

* docs: fix typos

* refactor: move setRTCRegion to BaseGuildVoiceChannel

* feat(VoiceState): remove permission checks

* chore: update typings

* Apply suggestions from code review

Co-authored-by: Sugden <28943913+NotSugden@users.noreply.github.com>
Co-authored-by: Jan <66554238+vaporox@users.noreply.github.com>

* chore: update esm exports and typings

* Update src/structures/VoiceState.js

Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>

Co-authored-by: Advaith <advaithj1@gmail.com>
Co-authored-by: BannerBomb <BannerBomb55@gmail.com>
Co-authored-by: Sugden <28943913+NotSugden@users.noreply.github.com>
Co-authored-by: Jan <66554238+vaporox@users.noreply.github.com>
Co-authored-by: izexi <43889168+izexi@users.noreply.github.com>
Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>

src/structures/Channel.js

@@ -13,7 +13,7 @@ class Channel extends Base {
   constructor(client, data) {
     super(client);
 
-    const type = Object.keys(ChannelTypes)[data.type];
+    const type = ChannelTypes[data.type];
     /**
      * The type of the channel, either:
      * * `dm` - a DM channel
@@ -22,6 +22,7 @@ class Channel extends Base {
      * * `category` - a guild category channel
      * * `news` - a guild news channel
      * * `store` - a guild store channel
+     * * `stage` - a guild stage channel
      * * `unknown` - a generic channel of unknown type, could be Channel or GuildChannel
      * @type {string}
      */
@@ -146,6 +147,11 @@ class Channel extends Base {
             channel = new StoreChannel(guild, data);
             break;
           }
+          case ChannelTypes.STAGE: {
+            const StageChannel = Structures.get('StageChannel');
+            channel = new StageChannel(guild, data);
+            break;
+          }
         }
         if (channel) guild.channels.cache.set(channel.id, channel);
       }