horizon/horizon/static/framework/util/uuid/uuid.js

46 lines
1.3 KiB
JavaScript

/*
* (c) Copyright 2016 Cisco Systems
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function () {
'use strict';
angular
.module('horizon.framework.util.uuid', [])
.factory('horizon.framework.util.uuid.service', uuidService);
/**
* @name horizon.framework.util.uuid
* @description
* Generates a UUID. This is useful for ensuring HTML components
* have unique IDs for interactions.
*/
function uuidService() {
var service = {
generate: generate
};
return service;
function generate() {
var d = new Date().getTime();
var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = (d + Math.random() * 16) % 16 | 0;
d = Math.floor(d / 16);
return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
});
return uuid;
}
}
})();