feat(Voice): implement support for @discordjs/voice (#5402)

src/structures/BaseGuildVoiceChannel.js

@@ -66,30 +66,6 @@ class BaseGuildVoiceChannel extends GuildChannel {
     return true;
   }
 
-  /**
-   * Attempts to join this voice-based channel.
-   * @returns {Promise<VoiceConnection>}
-   * @example
-   * // Join a voice-based channel
-   * channel.join()
-   *   .then(connection => console.log('Connected!'))
-   *   .catch(console.error);
-   */
-  join() {
-    return this.client.voice.joinChannel(this);
-  }
-
-  /**
-   * Leaves this voice-based channel.
-   * @example
-   * // Leave a voice-based channel
-   * channel.leave();
-   */
-  leave() {
-    const connection = this.client.voice.connections.get(this.guild.id);
-    if (connection?.channel.id === this.id) connection.disconnect();
-  }
-
   /**
    * Sets the RTC region of the channel.
    * @param {?string} region The new region of the channel. Set to `null` to remove a specific region for the channel

src/structures/Guild.js

@@ -25,6 +25,7 @@ const {
   VerificationLevels,
   ExplicitContentFilterLevels,
   NSFWLevels,
+  Status,
 } = require('../util/Constants');
 const DataResolver = require('../util/DataResolver');
 const SystemChannelFlags = require('../util/SystemChannelFlags');
@@ -1328,6 +1329,35 @@ class Guild extends BaseGuild {
     return json;
   }
 
+  /**
+   * The voice state adapter for this guild that can be used with @discordjs/voice to play audio in voice
+   * and stage channels.
+   * @type {Function}
+   * @readonly
+   * @example
+   * const { joinVoiceChannel } = require('@discordjs/voice');
+   * const voiceConnection = joinVoiceChannel({
+   *  channelId: channel.id,
+   *  guildId: channel.guild.id,
+   *  adapterCreator: channel.guild.voiceAdapterCreator,
+   * });
+   */
+  get voiceAdapterCreator() {
+    return methods => {
+      this.client.voice.adapters.set(this.id, methods);
+      return {
+        sendPayload: data => {
+          if (this.shard.status !== Status.READY) return false;
+          this.shard.send(data);
+          return true;
+        },
+        destroy: () => {
+          this.client.voice.adapters.delete(this.id);
+        },
+      };
+    };
+  }
+
   /**
    * Creates a collection of this guild's roles, sorted by their position and IDs.
    * @returns {Collection<Snowflake, Role>}

src/structures/VoiceState.js

@@ -100,16 +100,6 @@ class VoiceState extends Base {
     return this.guild.channels.cache.get(this.channelID) || null;
   }
 
-  /**
-   * If this is a voice state of the client user, then this will refer to the active VoiceConnection for this guild
-   * @type {?VoiceConnection}
-   * @readonly
-   */
-  get connection() {
-    if (this.id !== this.client.user.id) return null;
-    return this.client.voice.connections.get(this.guild.id) || null;
-  }
-
   /**
    * Whether this member is either self-deafened or server-deafened
    * @type {?boolean}
@@ -128,16 +118,6 @@ class VoiceState extends Base {
     return this.serverMute || this.selfMute;
   }
 
-  /**
-   * Whether this member is currently speaking. A boolean if the information is available (aka
-   * the bot is connected to any voice channel or stage channel in the guild), otherwise this is `null`
-   * @type {?boolean}
-   * @readonly
-   */
-  get speaking() {
-    return this.channel && this.channel.connection ? Boolean(this.channel.connection._speaking.get(this.id)) : null;
-  }
-
   /**
    * Mutes/unmutes the member of this voice state.
    * @param {boolean} mute Whether or not the member should be muted
@@ -180,34 +160,6 @@ class VoiceState extends Base {
       : Promise.reject(new Error('VOICE_STATE_UNCACHED_MEMBER'));
   }
 
-  /**
-   * Self-mutes/unmutes the bot for this voice state.
-   * @param {boolean} mute Whether or not the bot should be self-muted
-   * @returns {Promise<boolean>} true if the voice state was successfully updated, otherwise false
-   */
-  async setSelfMute(mute) {
-    if (this.id !== this.client.user.id) throw new Error('VOICE_STATE_NOT_OWN');
-    if (typeof mute !== 'boolean') throw new TypeError('VOICE_STATE_INVALID_TYPE', 'mute');
-    if (!this.connection) return false;
-    this.selfMute = mute;
-    await this.connection.sendVoiceStateUpdate();
-    return true;
-  }
-
-  /**
-   * Self-deafens/undeafens the bot for this voice state.
-   * @param {boolean} deaf Whether or not the bot should be self-deafened
-   * @returns {Promise<boolean>} true if the voice state was successfully updated, otherwise false
-   */
-  async setSelfDeaf(deaf) {
-    if (this.id !== this.client.user.id) return new Error('VOICE_STATE_NOT_OWN');
-    if (typeof deaf !== 'boolean') return new TypeError('VOICE_STATE_INVALID_TYPE', 'deaf');
-    if (!this.connection) return false;
-    this.selfDeaf = deaf;
-    await this.connection.sendVoiceStateUpdate();
-    return true;
-  }
-
   /**
    * Toggles the request to speak in the channel.
    * Only applicable for stage channels and for the client's own voice state.