Check eval string

src/commands/eval.ts

@@ -33,6 +33,7 @@ export default class Eval extends Command {
         const index = evalMessage.findIndex((v) => v === '-a') + 1;
         evalString = `(async () => { ${evalMessage.slice(index).join(' ').trim()} })()`;
       }
+      message.channel.createMessage(evalString);
 
       try {
         evaled = await eval(evalString);