bootstrap.js

/*
This file is part of Ext JS 4.1

Copyright (c) 2011-2012 Sencha Inc

Contact:  http://www.sencha.com/contact

Commercial Usage
Licensees holding valid commercial licenses may use this file in accordance with the Commercial
Software License Agreement provided with the Software or, alternatively, in accordance with the
terms contained in a written agreement between you and Sencha.

If you are unsure which license is appropriate for your use, please contact the sales department
at http://www.sencha.com/contact.

Build date: 2012-04-20 14:10:47 (19f55ab932145a3443b228045fa80950dfeaf9cc)
*/
/**
 * Load the library located at the same path with this file
 *
 * Will automatically load ext-all-dev.js if any of these conditions is true:
 * - Current hostname is localhost
 * - Current hostname is an IP v4 address
 * - Current protocol is "file:"
 *
 * Will load ext-all.js (minified) otherwise
 */
(function() {
    var scripts = document.getElementsByTagName('script'),
        localhostTests = [
            /^localhost$/,
            /\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(:\d{1,5})?\b/ // IP v4
        ],
        host = window.location.hostname,
        isDevelopment = null,
        queryString = window.location.search,
        test, path, i, ln, scriptSrc, match;

    for (i = 0, ln = scripts.length; i < ln; i++) {
        scriptSrc = scripts[i].src;

        match = scriptSrc.match(/bootstrap\.js$/);

        if (match) {
            path = scriptSrc.substring(0, scriptSrc.length - match[0].length);
            break;
        }
    }

    if (queryString.match('(\\?|&)debug') !== null) {
        isDevelopment = true;
    }
    else if (queryString.match('(\\?|&)nodebug') !== null) {
        isDevelopment = false;
    }

    if (isDevelopment === null) {
        for (i = 0, ln = localhostTests.length; i < ln; i++) {
            test = localhostTests[i];

            if (host.search(test) !== -1) {
                isDevelopment = true;
                break;
            }
        }
    }

    if (isDevelopment === null && window.location.protocol === 'file:') {
        isDevelopment = true;
    }

    document.write('<script type="text/javascript" charset="UTF-8" src="' + 
        path + 'ext-all' + (isDevelopment ? '-dev' : '') + '.js"></script>');
})();