chore: monorepo setup (#7175)

packages/voice/examples/basic/adapter.ts

@@ -0,0 +1,69 @@
+import { DiscordGatewayAdapterCreator, DiscordGatewayAdapterLibraryMethods } from '../../';
+import { VoiceChannel, Snowflake, Client, Constants, Guild } from 'discord.js';
+import { GatewayVoiceServerUpdateDispatchData, GatewayVoiceStateUpdateDispatchData } from 'discord-api-types/v9';
+
+const adapters = new Map<Snowflake, DiscordGatewayAdapterLibraryMethods>();
+const trackedClients = new Set<Client>();
+
+/**
+ * Tracks a Discord.js client, listening to VOICE_SERVER_UPDATE and VOICE_STATE_UPDATE events
+ *
+ * @param client - The Discord.js Client to track
+ */
+function trackClient(client: Client) {
+	if (trackedClients.has(client)) return;
+	trackedClients.add(client);
+	client.ws.on(Constants.WSEvents.VOICE_SERVER_UPDATE, (payload: GatewayVoiceServerUpdateDispatchData) => {
+		adapters.get(payload.guild_id)?.onVoiceServerUpdate(payload);
+	});
+	client.ws.on(Constants.WSEvents.VOICE_STATE_UPDATE, (payload: GatewayVoiceStateUpdateDispatchData) => {
+		if (payload.guild_id && payload.session_id && payload.user_id === client.user?.id) {
+			adapters.get(payload.guild_id)?.onVoiceStateUpdate(payload);
+		}
+	});
+	client.on(Constants.Events.SHARD_DISCONNECT, (_, shardID) => {
+		const guilds = trackedShards.get(shardID);
+		if (guilds) {
+			for (const guildID of guilds.values()) {
+				adapters.get(guildID)?.destroy();
+			}
+		}
+		trackedShards.delete(shardID);
+	});
+}
+
+const trackedShards = new Map<number, Set<Snowflake>>();
+
+function trackGuild(guild: Guild) {
+	let guilds = trackedShards.get(guild.shardID);
+	if (!guilds) {
+		guilds = new Set();
+		trackedShards.set(guild.shardID, guilds);
+	}
+	guilds.add(guild.id);
+}
+
+/**
+ * Creates an adapter for a Voice Channel.
+ *
+ * @param channel - The channel to create the adapter for
+ */
+export function createDiscordJSAdapter(channel: VoiceChannel): DiscordGatewayAdapterCreator {
+	return (methods) => {
+		adapters.set(channel.guild.id, methods);
+		trackClient(channel.client);
+		trackGuild(channel.guild);
+		return {
+			sendPayload(data) {
+				if (channel.guild.shard.status === Constants.Status.READY) {
+					channel.guild.shard.send(data);
+					return true;
+				}
+				return false;
+			},
+			destroy() {
+				return adapters.delete(channel.guild.id);
+			},
+		};
+	};
+}