fix(serializers): use the correct names for the aliases (#2703)

src/serializers/channel.ts

@@ -5,11 +5,11 @@ import { isNullish, type Awaitable } from '@sapphire/utilities';
 import type { Channel } from 'discord.js';
 
 @ApplyOptions<Serializer.Options>({
-	aliases: ['guildTextChannel', 'guildVoiceChannel', 'guildCategoryChannel']
+	aliases: ['guildTextChannel', 'guildVoiceChannel', 'guildCategoryChannel'] satisfies SerializerType[]
 })
 export class UserSerializer extends Serializer<string> {
 	public async parse(args: Serializer.Args, { entry }: Serializer.UpdateContext) {
-		const result = await args.pickResult(entry.type as 'guildTextChannel' | 'guildVoiceChannel' | 'guildCategoryChannel');
+		const result = await args.pickResult(entry.type as SerializerType);
 		return result.match({
 			ok: (value) => this.ok(value.id),
 			err: (error) => this.errorFromArgument(args, error)
@@ -18,7 +18,7 @@ export class UserSerializer extends Serializer<string> {
 
 	public isValid(value: string, context: Serializer.UpdateContext): Awaitable<boolean> {
 		const channel = context.guild.channels.cache.get(value);
-		return !isNullish(channel) && this.isValidChannel(channel, context.entry.type);
+		return !isNullish(channel) && this.isValidChannel(channel, context.entry.type as SerializerType);
 	}
 
 	/**
@@ -30,18 +30,20 @@ export class UserSerializer extends Serializer<string> {
 		return context.guild.channels.cache.get(value)?.name ?? value;
 	}
 
-	private isValidChannel(channel: Channel, type: string): boolean {
+	private isValidChannel(channel: Channel, type: SerializerType): boolean {
 		if (!isGuildBasedChannelByGuildKey(channel)) return false;
 
 		switch (type) {
-			case 'textChannel':
+			case 'guildTextChannel':
 				return isTextChannel(channel) || isNewsChannel(channel);
-			case 'voiceChannel':
+			case 'guildVoiceChannel':
 				return isVoiceChannel(channel);
-			case 'categoryChannel':
+			case 'guildCategoryChannel':
 				return isCategoryChannel(channel);
+			default:
+				return false;
 		}
-
-		return false;
 	}
 }
+
+type SerializerType = 'guildTextChannel' | 'guildVoiceChannel' | 'guildCategoryChannel';