let potpack do the sorting

Author: jseppi

lib/generate.js

@@ -9,12 +9,6 @@ module.exports.generateLayout = generateLayout;
 module.exports.generateLayoutUnique = generateLayoutUnique;
 module.exports.generateImage = generateImage;
 
-
-function heightAscThanNameComparator(a, b) {
-    return (b.height - a.height) || ((a.id === b.id) ? 0 : (a.id < b.id ? -1 : 1));
-}
-
-
 /**
  * Pack a list of images with width and height into a sprite layout.
  * options object with the following keys:
@@ -171,11 +165,8 @@ function generateLayoutInternal(options, callback) {
         // remove nulls that get introduced if removeOversizedIcons is true
         imagesWithSizes = imagesWithSizes.filter((img) => img);
 
-        // TODO: is this sort needed?
-        imagesWithSizes.sort(heightAscThanNameComparator);
-        
         // TODO: do we need to do anything with other ShelfPack args?
-        // potpack mutates the argument
+        // potpack mutates the given array
         const sprite = potpack(imagesWithSizes);
 
         if (options.format) {