args and more

commands/numedit/math.js

@@ -14,22 +14,24 @@ module.exports = class MathCommand extends commando.Command {
             group: 'numedit',
             memberName: 'math',
             description: 'Does Math (;math 2 + 2)',
-            examples: [';math 2 + 2']
+            examples: [';math 2 + 2'],
+            args: [{
+                key: 'expression',
+                prompt: 'What do you want to answer?',
+                type: 'string'
+            }]
         });
     }
 
-    run(message) {
+    run(message, args) {
         if (message.channel.type !== 'dm') {
             if (!message.channel.permissionsFor(this.client.user).hasPermission(['SEND_MESSAGES', 'READ_MESSAGES'])) return;
         }
         console.log(`[Command] ${message.content}`);
-        let expression = message.content.split(" ").slice(1).join(" ");
+        let expression = args.expression;
         try {
             let solved = math.eval(expression);
-            return message.channel.send(solved).catch(err => {
-                console.log(err);
-                message.channel.send(":x: Error! Invalid statement!");
-            });
+            return message.channel.send(solved).catch(err => message.channel.send(":x: Error! Invalid statement!"));
         }
         catch (err) {
             return message.channel.send(":x: Error! Invalid statement!");