1 files changed, 42 insertions, 48 deletions
diff --git a/scripts/util.js b/scripts/util.js
index 4af7a7cf..3113474b 100644
--- a/scripts/util.js
+++ b/scripts/util.js
@@ -1,58 +1,52 @@
-/*
- Craziness to deal with the bolted on module systems that we use:
- In browser: require.js, it uses a global function named 'define'
- On server for tests: Node, it provides a module definition time object named 'exports'
-*/
-(function(factory) {
-    if (typeof define != 'undefined') {
-        define('util', factory);
-    } else {
-        if (typeof exports == 'object') {
-            var obj = factory();
-            for (var i in obj) {
-                exports[i] = obj[i];
-            }
-        }
-    }
-})(function() {
-return {
+"use strict"
 
-set_from_array: function (a) {
-    var ret = {};
-    for (var k = 0 ; k < a.length ; ++k) {
-        ret[a[k]] = 1;
-    }
-    return ret;
-},
+define(function() {
 
-set_from_object: function(o) {
-    var ret = {}
-    for (var k in o) {
-        ret[k] = 1;
+    function set_from_array(a) {
+        var ret = {};
+        for (var k = 0; k < a.length; ++k) {
+            ret[a[k]] = 1;
+        }
+        return ret;
     }
-    return ret;
-},
 
-set_diff: function(sa, sb) {
-    var ret = {a_b:[], b_a:[]};
-    var i;
-    for (i in sa) {
-        if (!(i in sb)) {
-            ret.a_b.push(i);
+    function set_from_object(o) {
+        var ret = {}
+        for ( var k in o) {
+            ret[k] = 1;
         }
+        return ret;
     }
-    for (i in sb) {
-        if (!(i in sa)) {
-            ret.b_a.push(i);
+
+    function set_diff(sa, sb) {
+        var ret = {
+            a_b : [],
+            b_a : []
+        };
+        var i;
+        for (i in sa) {
+            if (!(i in sb)) {
+                ret.a_b.push(i);
+            }
         }
+        for (i in sb) {
+            if (!(i in sa)) {
+                ret.b_a.push(i);
+            }
+        }
+        return ret;
     }
-    return ret;
-},
 
-array_diff: function(aa, ab) {
-    var sa = set_from_array(aa);
-    var sb = set_from_array(ab);
-    return set_diff(sa, sb);
-},
+    function array_diff(aa, ab) {
+        var sa = set_from_array(aa);
+        var sb = set_from_array(ab);
+        return set_diff(sa, sb);
+    }
 
-}});
+    return {
+        set_from_array : set_from_array,
+        set_from_object : set_from_object,
+        set_diff : set_diff,
+        array_diff : array_diff
+    };
+});