feat(preconditions): add voice channel only precondition

src/index.ts

@@ -15,6 +15,7 @@ import { CorePrecondition as GuildOnly } from './preconditions/GuildOnly';
 import { CorePrecondition as GuildPrivateThreadOnly } from './preconditions/GuildPrivateThreadOnly';
 import { CorePrecondition as GuildPublicThreadOnly } from './preconditions/GuildPublicThreadOnly';
 import { CorePrecondition as GuildTextOnly } from './preconditions/GuildTextOnly';
+import { CorePrecondition as GuildVoiceOnly } from './preconditions/GuildVoiceOnly';
 import { CorePrecondition as GuildThreadOnly } from './preconditions/GuildThreadOnly';
 import { CorePrecondition as NSFW } from './preconditions/NSFW';
 import { CorePrecondition as UserPermissions } from './preconditions/UserPermissions';
@@ -92,6 +93,7 @@ export const CorePreconditions = {
 	GuildPrivateThreadOnly,
 	GuildPublicThreadOnly,
 	GuildTextOnly,
+	GuildVoiceOnly,
 	GuildThreadOnly,
 	NSFW,
 	UserPermissions

src/lib/errors/Identifiers.ts

@@ -51,6 +51,7 @@ export const enum Identifiers {
 	PreconditionGuildPrivateThreadOnly = 'preconditionGuildPrivateThreadOnly',
 	PreconditionGuildPublicThreadOnly = 'preconditionGuildPublicThreadOnly',
 	PreconditionGuildTextOnly = 'preconditionGuildTextOnly',
+	PreconditionGuildVoiceOnly = 'preconditionGuildVoiceOnly',
 	PreconditionNSFW = 'preconditionNsfw',
 	PreconditionClientPermissions = 'preconditionClientPermissions',
 	PreconditionClientPermissionsNoClient = 'preconditionClientPermissionsNoClient',

src/lib/structures/Command.ts

@@ -436,6 +436,8 @@ export class Command<PreParseReturn = Args, O extends Command.Options = Command.
 					return CommandPreConditions.DirectMessageOnly;
 				case 'GUILD_TEXT':
 					return CommandPreConditions.GuildTextOnly;
+				case 'GUILD_VOICE':
+					return CommandPreConditions.GuildVoiceOnly;
 				case 'GUILD_NEWS':
 					return CommandPreConditions.GuildNewsOnly;
 				case 'GUILD_NEWS_THREAD':
@@ -464,8 +466,9 @@ export class Command<PreParseReturn = Args, O extends Command.Options = Command.
 
 		const dm = keys.has('DM');
 		const guildText = keys.has('GUILD_TEXT');
+		const guildVoice = keys.has('GUILD_VOICE');
 		const guildNews = keys.has('GUILD_NEWS');
-		const guild = guildText && guildNews;
+		const guild = guildText && guildNews && guildVoice;
 
 		// If runs everywhere, optimise to null:
 		if (dm && guild) return null;
@@ -499,6 +502,10 @@ export class Command<PreParseReturn = Args, O extends Command.Options = Command.
 			} else if (guildNewsThread) {
 				preconditions.append(CommandPreConditions.GuildNewsThreadOnly);
 			}
+
+			if (guildVoice) {
+				preconditions.append(CommandPreConditions.GuildVoiceOnly);
+			}
 		}
 
 		return preconditions;
@@ -559,6 +566,7 @@ export namespace AutocompleteCommand {
 export type CommandOptionsRunType =
 	| 'DM'
 	| 'GUILD_TEXT'
+	| 'GUILD_VOICE'
 	| 'GUILD_NEWS'
 	| 'GUILD_NEWS_THREAD'
 	| 'GUILD_PUBLIC_THREAD'
@@ -572,6 +580,7 @@ export type CommandOptionsRunType =
 export const enum CommandOptionsRunTypeEnum {
 	Dm = 'DM',
 	GuildText = 'GUILD_TEXT',
+	GuildVoice = 'GUILD_VOICE',
 	GuildNews = 'GUILD_NEWS',
 	GuildNewsThread = 'GUILD_NEWS_THREAD',
 	GuildPublicThread = 'GUILD_PUBLIC_THREAD',
@@ -592,6 +601,7 @@ export const enum CommandPreConditions {
 	GuildPrivateThreadOnly = 'GuildPrivateThreadOnly',
 	GuildPublicThreadOnly = 'GuildPublicThreadOnly',
 	GuildTextOnly = 'GuildTextOnly',
+	GuildVoiceOnly = 'GuildVoiceOnly',
 	GuildThreadOnly = 'GuildThreadOnly',
 	NotSafeForWork = 'NSFW',
 	ClientPermissions = 'ClientPermissions',

src/lib/structures/Precondition.ts

@@ -115,6 +115,7 @@ export interface Preconditions {
 	GuildPrivateThreadOnly: never;
 	GuildPublicThreadOnly: never;
 	GuildTextOnly: never;
+	GuildVoiceOnly: never;
 	GuildThreadOnly: never;
 	NSFW: never;
 	ClientPermissions: {

src/preconditions/GuildVoiceOnly.ts

@@ -0,0 +1,37 @@
+import type { CommandInteraction, ContextMenuInteraction, Message } from 'discord.js';
+import { Identifiers } from '../lib/errors/Identifiers';
+import { AllFlowsPrecondition } from '../lib/structures/Precondition';
+import { isVoiceChannel } from '@sapphire/discord.js-utilities';
+
+export class CorePrecondition extends AllFlowsPrecondition {
+	public messageRun(message: Message) {
+		return isVoiceChannel(message.channel)
+			? this.ok()
+			: this.error({
+					identifier: Identifiers.PreconditionGuildVoiceOnly,
+					message: 'You can only run this message command in server voice channels.'
+			  });
+	}
+
+	public async chatInputRun(interaction: CommandInteraction) {
+		const channel = await this.fetchChannelFromInteraction(interaction);
+
+		return isVoiceChannel(channel)
+			? this.ok()
+			: this.error({
+					identifier: Identifiers.PreconditionGuildVoiceOnly,
+					message: 'You can only run this chat input command in server voice channels.'
+			  });
+	}
+
+	public async contextMenuRun(interaction: ContextMenuInteraction) {
+		const channel = await this.fetchChannelFromInteraction(interaction);
+
+		return isVoiceChannel(channel)
+			? this.ok()
+			: this.error({
+					identifier: Identifiers.PreconditionGuildVoiceOnly,
+					message: 'You can only run this context menu command in server voice channels.'
+			  });
+	}
+}