Source: offline/utils/OfflineUrlUtils.js

/**
 * The copyright in this software is being made available under the BSD License,
 * included below. This software may be subject to other third party and contributor
 * rights, including patent rights, and no such rights are granted under this license.
 *
 * Copyright (c) 2013, Dash Industry Forum.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *  * Redistributions of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation and/or
 *  other materials provided with the distribution.
 *  * Neither the name of Dash Industry Forum nor the names of its
 *  contributors may be used to endorse or promote products derived from this software
 *  without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
 *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

import OfflineConstants from '../constants/OfflineConstants';

/**
 * @module OfflineUrlUtils
 * @description Provides utility functions for operating on offline URLs.
 * Initially this is simply a method to determine the Base URL of a URL, but
 * should probably include other things provided all over the place such as
 * determining whether a URL is relative/absolute, resolving two paths etc.
 */
function OfflineUrlUtils() {

    function setup() {
    }

    function getRegex() {
        return OfflineConstants.OFFLINE_URL_REGEX;
    }

    /*
     * -------------------
     * SPECIFIC BEHAVIOUR
     * -------------------
     */
    function removeHostname(url) {
        return url.replace(/(^\w+:|^)\/\//, '');
    }

    function isRelative() {
        return false;
    }

    function resolve(url, baseUrl) {
        if (baseUrl.charAt(baseUrl.length - 1 ) !== '/') {
            baseUrl = baseUrl.concat('/');
        }
        return baseUrl + url;
    }

    setup();
    const instance = {
        getRegex:           getRegex,
        isRelative:         isRelative,
        removeHostname:     removeHostname,
        resolve:            resolve
    };
    return instance;
}

OfflineUrlUtils.__dashjs_factory_name = 'OfflineUrlUtils';
export default dashjs.FactoryMaker.getSingletonFactory(OfflineUrlUtils); /* jshint ignore:line */