Run build via babel

.babelrc

@@ -0,0 +1,19 @@
+{
+  "presets": [
+    ["env", {
+      "targets": {
+        "browsers": [
+          "ie > 9"
+        ]
+      }
+    }]
+  ],
+  "plugins": [
+    "transform-es2015-modules-umd"
+  ],
+  "env": {
+    "production": {
+      "presets": ["minify"]
+    }
+  }
+}

.gitignore

@@ -0,0 +1,4 @@
+es/
+node_modules/
+.DS_Store
+.idea/

FileSaver.min.js

@@ -1,2 +0,0 @@
-/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
-var saveAs=saveAs||function(e){"use strict";if(!("undefined"==typeof e||"undefined"!=typeof navigator&&/MSIE [1-9]\./.test(navigator.userAgent))){var t=e.document,n=function(){return e.URL||e.webkitURL||e},o=t.createElementNS("http://www.w3.org/1999/xhtml","a"),r="download"in o,a=function(e){var t=new MouseEvent("click");e.dispatchEvent(t)},i=/constructor/i.test(e.HTMLElement)||e.safari,d=/CriOS\/[\d]+/.test(navigator.userAgent),f=function(t){(e.setImmediate||e.setTimeout)(function(){throw t},0)},s="application/octet-stream",u=4e4,c=function(e){var t=function(){"string"==typeof e?n().revokeObjectURL(e):e.remove()};setTimeout(t,u)},l=function(e,t,n){t=[].concat(t);for(var o=t.length;o--;){var r=e["on"+t[o]];if("function"==typeof r)try{r.call(e,n||e)}catch(a){f(a)}}},v=function(e){return/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(e.type)?new Blob([String.fromCharCode(65279),e],{type:e.type}):e},p=function(t,f,u){u||(t=v(t));var p,w=this,m=t.type,y=m===s,S=function(){l(w,"writestart progress write writeend".split(" "))},h=function(){if((d||y&&i)&&e.FileReader){var o=new FileReader;return o.onloadend=function(){var t=d?o.result:o.result.replace(/^data:[^;]*;/,"data:attachment/file;"),n=e.open(t,"_blank");n||(e.location.href=t),t=void 0,w.readyState=w.DONE,S()},o.readAsDataURL(t),void(w.readyState=w.INIT)}if(p||(p=n().createObjectURL(t)),y)e.location.href=p;else{var r=e.open(p,"_blank");r||(e.location.href=p)}w.readyState=w.DONE,S(),c(p)};return w.readyState=w.INIT,r?(p=n().createObjectURL(t),void setTimeout(function(){o.href=p,o.download=f,a(o),S(),c(p),w.readyState=w.DONE})):void h()},w=p.prototype,m=function(e,t,n){return new p(e,t||e.name||"download",n)};return"undefined"!=typeof navigator&&navigator.msSaveOrOpenBlob?function(e,t,n){return t=t||e.name||"download",n||(e=v(e)),navigator.msSaveOrOpenBlob(e,t)}:(w.abort=function(){},w.readyState=w.INIT=0,w.WRITING=1,w.DONE=2,w.error=w.onwritestart=w.onprogress=w.onwrite=w.onabort=w.onerror=w.onwriteend=null,m)}}("undefined"!=typeof self&&self||"undefined"!=typeof window&&window||this);"undefined"!=typeof module&&module.exports?module.exports.saveAs=saveAs:"undefined"!=typeof define&&null!==define&&null!==define.amd&&define("FileSaver.js",function(){return saveAs});

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"
   }
 }

src/FileSaver.js

@@ -13,7 +13,7 @@
 
 /*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
 
-var saveAs = saveAs || (function(view) {
+export default (function(view) {
 	"use strict";
 	// IE <10 is explicitly unsupported
 	if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
@@ -175,11 +175,3 @@ var saveAs = saveAs || (function(view) {
 	|| typeof window !== "undefined" && window
 	|| this
 ));
-
-if (typeof module !== "undefined" && module.exports) {
-	module.exports.saveAs = saveAs;
-} else if ((typeof define !== "undefined" && define !== null) && (define.amd !== null)) {
-	define("FileSaver.js", function() {
-		return saveAs;
-	});
-}