wip: split shared ops

common/script/libs/uuid.js

@@ -0,0 +1,9 @@
+// TODO use node-uuid module
+module.exports = function() {
+  return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
+    var r, v;
+    r = Math.random() * 16 | 0;
+    v = (c === "x" ? r : r & 0x3 | 0x8);
+    return v.toString(16);
+  });
+};