commandDispatcher: handle errors

src/lib/commandDispatcher.js

@@ -83,20 +83,32 @@ async function CommandDispatcher(msg) {
 
     const response = await runCommand(msg, cmd, line, args);
     if (response != null) {
-      msg.channel.createMessage(
-        Object.assign(
-          typeof response === "string" ? {content: response} : response,
-          {
+      msg.channel
+        .createMessage(
+          Object.assign(
+            typeof response === "string" ? {content: response} : response,
+            {
+              allowedMentions: {
+                repliedUser: false,
+              },
+              messageReference: {
+                messageID: msg.id,
+              },
+            }
+          ),
+          response.file
+        )
+        .catch((e) => {
+          msg.channel.createMessage({
+            content: `:warning: An error has occurred:\n\`\`\`${e}\`\`\``,
             allowedMentions: {
               repliedUser: false,
             },
             messageReference: {
               messageID: msg.id,
             },
-          }
-        ),
-        response.file
-      );
+          });
+        });
     }
     msg.hasRan = true;
   }