Moves the roomname generator to util, reuses a function.

modules/UI/UI.js

 var SettingsMenu = require("./side_pannels/settings/SettingsMenu");
 var Settings = require("./../settings/Settings");
 var PanelToggler = require("./side_pannels/SidePanelToggler");
-var RoomNameGenerator = require("./welcome_page/RoomnameGenerator");
+var RoomnameGenerator = require("../util/RoomnameGenerator");
 UI.messageHandler = require("./util/MessageHandler");
 var messageHandler = UI.messageHandler;
 var Authentication  = require("./authentication/Authentication");
         if (path.length > 1) {
             roomNode = path.substr(1).toLowerCase();
         } else {
-            var word = RoomNameGenerator.generateRoomWithoutSeparator();
+            var word = RoomnameGenerator.generateRoomWithoutSeparator();
             roomNode = word.toLowerCase();
             window.history.pushState('VideoChat',
                 'Room: ' + word, window.location.pathname + word);

modules/UI/welcome_page/WelcomePage.js

 /* global $, interfaceConfig */
 var animateTimeout, updateTimeout;
 
-var RoomNameGenerator = require("./RoomnameGenerator");
+var RoomnameGenerator = require("../../util/RoomnameGenerator");
 
 function enter_room() {
     var val = $("#enter_room_field").val();
 }
 
 function update_roomname() {
-    var word = RoomNameGenerator.generateRoomWithoutSeparator();
+    var word = RoomnameGenerator.generateRoomWithoutSeparator();
     $("#enter_room_field").attr("room_name", word);
     $("#enter_room_field").attr("placeholder", "");
     clearTimeout(animateTimeout);

modules/UI/welcome_page/RoomnameGenerator.js → modules/util/RoomnameGenerator.js

+var RandomUtil = require('./RandomUtil');
 //var nouns = [
 //];
 var pluralNouns = [
     //"_ADJECTIVE__PLURALNOUN_AtThe_PLACE_",
 ];
 
-
-/*
- * Returns a random element from the array 'arr'
- */
-function randomElement(arr) {
-    return arr[Math.floor(Math.random() * arr.length)];
-}
-
 /*
  * Returns true if the string 's' contains one of the
  * template strings.
 /**
  * Generates new room name.
  */
-var RoomNameGenerator = {
+var RoomnameGenerator = {
     generateRoomWithoutSeparator: function() {
         // Note that if more than one pattern is available, the choice of
         // 'name' won't have a uniform distribution amongst all patterns (names
         // from patterns with fewer options will have higher probability of
         // being chosen that names from patterns with more options).
-        var name = randomElement(PATTERNS);
+        var name = RandomUtil.randomElement(PATTERNS);
         var word;
         while (hasTemplate(name)) {
             for (var template in CATEGORIES) {
-                word = randomElement(CATEGORIES[template]);
+                word = RandomUtil.randomElement(CATEGORIES[template]);
                 name = name.replace(template, word);
             }
         }
     }
 };
 
-module.exports = RoomNameGenerator;
+module.exports = RoomnameGenerator;