filter duplicate words

events/messages/messageCreate.js

@@ -5,11 +5,18 @@ import { Op } from 'sequelize';
 export const name = Events.MessageCreate;
 /** @param {Message} message */
 export async function execute(message) {
-	// Ignore direct messages
-	if (!message.inGuild()) return;
+	// Ignore direct messages and own messages
+	if (!message.inGuild() || message.author.id === process.env.CLIENT) return;
 
 	// Split message content into words
-	const words = message.content.split(/\s+/);
+	const words = message.content
+		.toLowerCase()
+		.split(/\s+/)
+		.flatMap((word) => {
+			const without = word.replace(/[^\w\s]/g, '');
+			return without !== word ? [word, without] : word;
+		})
+		.filter((w, i, a) => a.indexOf(w) === i);
 
 	// Get guild keywords
 	/** @type {import('../../models/keywords.js').Keyword[]} */