https://www.springerpub.com/static/version1789146322/base/Magento/base/default/mage/requirejs/text.js

1/**
2 * Copyright © Magento, Inc. All rights reserved.
3 * See COPYING.txt for license details.
4 */
5/* inspired by http://github.com/requirejs/text */
6/*global XDomainRequest */
7
8define(['module'], function (module) {
9    'use strict';
10
11    var xmlRegExp = /^\s*<\?xml(\s)+version=[\'\"](\d)*.(\d)*[\'\"](\s)*\?>/im,
12        bodyRegExp = /<body[^>]*>\s*([\s\S]+)\s*<\/body>/im,
13        stripReg = /!strip$/i,
14        defaultConfig = module.config && module.config() || {};
15
16    /**
17     * Strips <?xml ...?> declarations so that external SVG and XML documents can be
18     * added to a document without worry.
19     * Also, if the string is an HTML document, only the part inside the body tag is returned.
20     *
21     * @param {String} external
22     * @returns {String}
23     */
24    function stripContent(external) {
25        var matches;
26
27        if (!external) {
28            return '';
29        }
30
31        matches = external.match(bodyRegExp);
32        external = matches ?
33            matches[1] :
34            external.replace(xmlRegExp, '');
35
36        return external;
37    }
38
39    /**
40     * Checks that url match current location
41     *
42     * @param {String} url
43     * @returns {Boolean}
44     */
45    function sameDomain(url) {
46        var uProtocol, uHostName, uPort,
47            xdRegExp = /^([\w:]+)?\/\/([^\/\\]+)/i,
48            location = window.location,
49            match = xdRegExp.exec(url);
50
51        if (!match) {
52            return true;
53        }
54        uProtocol = match[1];
55        uHostName = match[2];
56
57        uHostName = uHostName.split(':');
58        uPort = uHostName[1] || '';
59        uHostName = uHostName[0];
60
61        return (!uProtocol || uProtocol === location.protocol) &&
62            (!uHostName || uHostName.toLowerCase() === location.hostname.toLowerCase()) &&
63            (!uPort && !uHostName || uPort === location.port);
64    }
65
66    /**
67     * @returns {XMLHttpRequest|XDomainRequest|null}
68     */
69    function createRequest(url) {
70        var xhr = new XMLHttpRequest();
71
72        if (!sameDomain(url) && typeof XDomainRequest !== 'undefined') {
73            xhr = new XDomainRequest();
74        }
75
76        return xhr;
77    }
78
79    /**
80     * XHR requester. Returns value to callback.
81     *
82     * @param {String} url
83     * @param {Function} callback
84     * @param {Function} fail
85     * @param {Object} headers
86     */
87    function getContent(url, callback, fail, headers) {
88        var xhr = createRequest(url),
89            header;
90
91        xhr.open('GET', url);
92
93        /*eslint-disable max-depth */
94        if ('setRequestHeader' in xhr && headers) {
95            for (header in headers) {
96                if (headers.hasOwnProperty(header)) {
97                    xhr.setRequestHeader(header.toLowerCase(), headers[header]);
98                }
99            }
100        }
101
102        /**
103         * @inheritdoc
104         */
105        xhr.onreadystatechange = function () {
106            var status, err;
107
108            //Do not explicitly handle errors, those should be
109            //visible via console output in the browser.
110            if (xhr.readyState === 4) {
111                status = xhr.status || 0;
112
113                if (status > 399 && status < 600) {
114                    //An http 4xx or 5xx error. Signal an error.
115                    err = new Error(url + ' HTTP status: ' + status);
116                    err.xhr = xhr;
117
118                    if (fail) {
119                        fail(err);
120                    }
121                } else {
122                    callback(xhr.responseText);
123
124                    if (defaultConfig.onXhrComplete) {
125                        defaultConfig.onXhrComplete(xhr, url);
126                    }
127                }
128            }
129        };
130
131        /*eslint-enable max-depth */
132
133        if (defaultConfig.onXhr) {
134            defaultConfig.onXhr(xhr, url);
135        }
136
137        xhr.send();
138    }
139
140    /**
141     * Main method used by RequireJs.
142     *
143     * @param {String} name - has format: some.module.filext!strip
144     * @param {Function} req
145     * @param {Function|undefined} onLoad
146     */
147    function loadContent(name, req, onLoad) {
148
149        var toStrip = stripReg.test(name),
150            url = req.toUrl(name.replace(stripReg, '')),
151            headers = defaultConfig.headers;
152
153        getContent(url, function (content) {
154                content = toStrip ? stripContent(content) : content;
155                onLoad(content);
156            }, onLoad.error, headers);
157    }
158
159    return {
160        load: loadContent,
161        get: getContent
162    };
163});