separate node use case from browser use case

bin/atob.js

@@ -1,10 +1,6 @@
 #!/usr/bin/env node
-/*jshint strict:true node:true es5:true onevar:true laxcomma:true laxbreak:true eqeqeq:true immed:true latedef:true*/
-(function () {
-  "use strict";
+'use strict';
 
-  var atob = require('../index')
-    ;
-
-  console.log(atob(process.argv[2]));
-}());
+var atob = require('../node-atob');
+var str = process.argv[2];
+console.log(atob(str));

browser-atob.js

@@ -0,0 +1,2 @@
+// do nothing window.atob already exists
+// NOTE: iOS Web Worker and other weird environments may not have atob

index.js

@@ -1,9 +0,0 @@
-(function () {
-  "use strict";
-
-  function atob(str) {
-    return new Buffer(str, 'base64').toString('binary');
-  }
-
-  module.exports = atob;
-}());

node-atob.js

@@ -0,0 +1,7 @@
+"use strict";
+
+function atob(str) {
+  return new Buffer(str, 'base64').toString('binary');
+}
+
+module.exports = atob.atob = atob;

package.json

@@ -4,17 +4,18 @@
   "description": "atob for Node.JS and Linux / Mac / Windows CLI (it's a one-liner)",
   "repository": {
     "type": "git",
-    "url": "git://github.com/coolaj86/node-browser-compat.git"
+    "url": "git://github.com/coolaj86/node-browser-compat/atob.git"
   },
   "keywords": [
     "atob",
     "browser"
   ],
-  "author": "AJ ONeal <coolaj86@gmail.com> (http://coolaj86.info)",
+  "author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com)",
   "engines": {
     "node": ">= 0.4.0"
   },
-  "main": "index",
+  "main": "node-atob.js",
+  "browser": "browser-atob.js",
   "bin": {
     "atob": "bin/atob.js"
   },