moving files around after repository merger

1 files changed, 72 insertions, 0 deletions

diff --git a/src/client/util.js b/src/client/util.js
new file mode 100644
index 00000000..3fd4aecb
--- /dev/null
+++ b/src/client/util.js
@@ -0,0 +1,72 @@
+"use strict"
+
+define(function() {
+
+    function assert(condition, message) {
+        if (false == condition) {
+            message = message || "Assertion failed";
+            if (typeof Error !== "undefined") {
+                throw new Error(message);
+            }
+            throw message; // Fallback
+        }
+    }
+
+    function set_from_array(a) {
+        var ret = {};
+        for (var k = 0; k < a.length; ++k) {
+            ret[a[k]] = 1;
+        }
+        return ret;
+    }
+
+    function set_from_object(o) {
+        var ret = {}
+        for ( var k in o) {
+            ret[k] = 1;
+        }
+        return ret;
+    }
+
+    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;
+    }
+
+    function array_diff(aa, ab) {
+        var sa = set_from_array(aa);
+        var sb = set_from_array(ab);
+        return set_diff(sa, sb);
+    }
+
+    // TODO: jquery BBQ: $.deparam.querystring().json;
+    function getParameterByName(name) {
+        name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
+        var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
+            results = regex.exec(location.search);
+        return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
+    }
+
+    return {
+        assert: assert,
+        set_from_array: set_from_array,
+        set_from_object: set_from_object,
+        set_diff: set_diff,
+        array_diff: array_diff,
+        getParameterByName: getParameterByName,
+    };
+});