Create message.js

events/message.js

@@ -0,0 +1,13 @@
+module.exports = (client, message) => {
+
+  if (message.author.bot) return;
+  if (message.content.indexOf("-") !== 0) return;
+  
+  const args = message.content.slice(1).trim().split(/ +/g);
+  const command = args.shift().toLowerCase();
+  const cmd = client.commands.get(command);
+
+  if (!cmd) return;
+  cmd.run(client, message, args);
+  
+};