Removed format argument from jpeg, modified bufferPromise function a bit

commands/jpeg.js

@@ -6,7 +6,7 @@ exports.run = async (message) => {
   message.channel.sendTyping();
   const image = await require("../utils/imagedetect.js")(message);
   if (image === undefined) return `${message.author.mention}, you need to provide an image to add more JPEG!`;
-  const buffer = await gm(image.path).setFormat("jpeg").quality(1).bufferPromise("jpeg");
+  const buffer = await gm(image.path).setFormat("jpeg").quality(1).bufferPromise();
   return message.channel.createMessage("", {
     file: buffer,
     name: "jpeg.jpg"

events/ready.js

@@ -49,7 +49,27 @@ module.exports = async () => {
   //gm.prototype.bufferPromise = promisify(gm.prototype.toBuffer);
   gm.prototype.bufferPromise = function(format, type) {
     return new Promise((resolve, reject) => {
+      if (format) {
+        console.log(format);
         this.out(type !== "sonic" ? "-layers" : "", type !== "sonic" ? "optimize" : "").stream(format, (err, stdout, stderr) => {
+          if (err) return reject(err);
+          const chunks = [];
+          stdout.on("data", (chunk) => {
+            console.log(chunk);
+            chunks.push(chunk);
+          });
+          // these are 'once' because they can and do fire multiple times for multiple errors,
+          // but this is a promise so you'll have to deal with them one at a time
+          stdout.once("end", () => {
+            console.log(Buffer.concat(chunks));
+            resolve(Buffer.concat(chunks));
+          });
+          stderr.once("data", (data) => {
+            reject(data.toString());
+          });
+        });
+      } else {
+        this.out(type !== "sonic" ? "-layers" : "", type !== "sonic" ? "optimize" : "").stream((err, stdout, stderr) => {
           if (err) return reject(err);
           const chunks = [];
           stdout.on("data", (chunk) => {
@@ -64,7 +84,9 @@ module.exports = async () => {
             reject(data.toString());
           });
         });
+      }
     });
+
   };
 
   // tweet stuff