feat: add server specific prefixes (based on PRs by @jbasalone)

Author: lukazbaum

src/config.ts

@@ -9,6 +9,13 @@ import {
 
 const defaultConfig: Config = {
   prefix: '!',
+  customPrefixes: [
+    {
+      guildId: "GUILD_ID",
+      prefix: "?"
+    }
+  ],
+
   ownerId: 'YOUR_USER_ID',
   eventsFolder: 'events',
   commandsFolder: 'commands',

src/handler/events/listeners/messageCreate.ts

@@ -7,7 +7,22 @@ import { CommandHandler } from '../../commands/services/CommandHandler';
 export default new Event({
   name: Events.MessageCreate,
   async execute(message: Message): Promise<void> {
-    if (!client.user || message.author.bot || !message.content.startsWith(config.prefix)) return;
+    if (!client.user || message.author.bot) {
+      return;
+    }
+
+    let prefix: string = config.prefix;
+    if (message.guild?.id && config.customPrefixes) {
+      const customPrefix: string | undefined = config.customPrefixes.find(
+        (p) => p.guildId === message.guild!.id,
+      )?.prefix;
+      if (customPrefix) prefix = customPrefix;
+    }
+
+    if (!message.content.startsWith(prefix)) {
+      return;
+    }
+
     await CommandHandler.handlePrefixCommand(message);
   },
 });

src/handler/types/Config.ts

@@ -8,6 +8,7 @@ import type {
 
 export interface Config {
   prefix: string;
+  customPrefixes?: CustomPrefix[];
   ownerId?: string;
   eventsFolder: string;
   commandsFolder: string;
@@ -25,3 +26,8 @@ export interface LogChannelConfig {
     commandType: string,
   ) => Promise<MessageReplyOptions>;
 }
+
+export interface CustomPrefix {
+  guildId: string;
+  prefix: string;
+}