diff --git a/js/datepicker.js b/js/datepicker.js
index 034dc46..51b1c1a 100644
--- a/js/datepicker.js
+++ b/js/datepicker.js
@@ -1,5 +1,16 @@
 /*! DatePicker v6.3.6 MIT/GPL2 @freqdec */
-var datePickerController = (function datePickerController() {
+(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD
+        define(factory);
+    } else if (typeof exports === 'object') {
+        // Node, CommonJS-like
+        module.exports = factory();
+    } else {
+        // Browser globals (root is window)
+        root.datePickerController = factory();
+    }
+}(this, function() {
 
     "use strict";
 
@@ -2891,7 +2902,7 @@ var datePickerController = (function datePickerController() {
         };
         datePickers = null;
 
-        removeEvent(window, 'unload', datePickerController.destroy);
+        removeEvent(window, 'unload', destroy);
     };
     var destroySingleDatePicker = function(id) {
         if(id && (id in datePickers)) {
@@ -3544,4 +3555,4 @@ var datePickerController = (function datePickerController() {
         // Converts Date Object to a YYYYMMDD formatted String
         dateToYYYYMMDDStr:      function(dt) { return dateToYYYYMMDD(dt); }
     };
-})();
+}))
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..1a642e8
--- /dev/null
+++ b/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "datepicker",
+  "version": "1.0.0",
+  "description": "Accessible, simple datepicker.",
+  "main": "js/datepicker.js",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/freqdec/datePicker.git"
+  },
+  "author": "freqdec",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/freqdec/datePicker/issues"
+  },
+  "homepage": "https://github.com/freqdec/datePicker#readme"
+}