flite.js

/**
 * Copyright 2016 The AMP HTML Authors. All Rights Reserved.
 *
 * 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.
 */

 import {loadScript, validateData} from '../3p/3p';

/**
 * @param {!Window} global
 * @param {!Object} data
 */
 export function flite(global, data) {
  // TODO: check mandatory fields
   validateData(data, [], ['guid','mixins']);
   const guid = data.guid, o = global, e = encodeURIComponent, x = 0;
   let r = '', m, url, dep = '';
   o.FLITE = o.FLITE || {};
   o.FLITE.config = o.FLITE.config || {};
   o.FLITE.config[guid] = o.FLITE.config[guid] || {};
   o.FLITE.config[guid].cb = Math.random();
   o.FLITE.config[guid].ts = (+Number(new Date()));
   r = global.context.location.href;
   m = r.match(new RegExp('[A-Za-z]+:[/][/][A-Za-z0-9.-]+'));
   dep = data.mixins ? '&dep=' + data.mixins : '';
   url = ['https://r.flite.com/syndication/uscript.js?i=',e(guid),
   '&v=3',dep,'&x=us',x,'&cb=',o.FLITE.config[guid].cb,'&d=',
   e((m && m[0]) || r), '&tz=', (new Date()).getTimezoneOffset()].join('');
   loadScript(o, url);
 }