feat: allow breaking on hook result

src/hooks/imgur.ts

@@ -5,12 +5,12 @@ class ImgurHook implements MessageHook {
   private readonly imgurVideoRegex = /https:\/\/(i\.)?imgur\.com\S+\.mp4\/?/gi;
   public readonly name = 'Imgur link fixer';
 
-  public async run(message: Message): Promise<void> {
+  public async run(message: Message): Promise<boolean> {
     const originalUrls = this.findImgurVideoUrls(message.content);
 
     const fixedUrls = originalUrls.map(ImgurHook.replacer);
 
-    if (fixedUrls.length === 0) return;
+    if (fixedUrls.length === 0) return false;
 
     let content = message.content;
     for (let i = 0; i < originalUrls.length; i++) {
@@ -21,6 +21,8 @@ class ImgurHook implements MessageHook {
     await message.channel.send(
       `Imgur links were fixed. Original message by ${message.author.displayName}:\n${content}`,
     );
+
+    return true;
   }
 
   private findImgurVideoUrls(content: string): URL[] {

src/listeners/messageCreate.ts

@@ -88,7 +88,7 @@ export class MessageCreateEvent extends Listener<typeof Events.MessageCreate> {
         if (config && Array.isArray(config.guilds) && !config.guilds.includes(message.guildId))
           continue;
 
-        await hook.run(message);
+        if (await hook.run(message)) break;
       } catch (e) {
         this.container.logger.error(e, `Failed to run hook ${hook.name} in ${message.guild!.name}`);
         void alert(`Failed to run hook ${hook.name}`);

src/types.ts

@@ -188,7 +188,7 @@ export const isPreconditionErrorContext = (
 
 export interface MessageHook {
   name: string;
-  run(message: Message): Promise<void>;
+  run(message: Message): Promise<boolean>;
 }
 
 declare module '@sapphire/pieces' {