Run build via babel

package.json

@@ -2,10 +2,11 @@
   "name": "file-saver",
   "version": "1.3.4",
   "description": "An HTML5 saveAs() FileSaver implementation",
-  "main": "FileSaver.js",
+  "main": "es/FileSaver.js",
+  "module": "src/FileSaver.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 0",
-    "build": "node_modules/.bin/uglifyjs FileSaver.js --mangle --comments /@source/ > FileSaver.min.js"
+    "build": "NODE_ENV=production babel src --out-dir=es"
   },
   "repository": {
     "type": "git",
@@ -23,6 +24,9 @@
   },
   "homepage": "https://github.com/eligrey/FileSaver.js#readme",
   "devDependencies": {
-    "uglify-js": "^2.6.2"
+    "babel-cli": "^6.26.0",
+    "babel-plugin-transform-es2015-modules-umd": "^6.24.1",
+    "babel-preset-env": "^1.6.1",
+    "babel-preset-minify": "^0.2.0"
   }
 }