User:Liangent/Scripts/require.js

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if (window.require === undefined) {
    (function($) {
        var scripts = {'': null};
        window.require = function(files, callback) { // or load anything, eg. css?
            if (!$.isArray(files)) files = [files];
            if (!$.isFunction(callback)) callback = function() {};
            if (files.length != 0) {
                if (files[0].data === undefined) files[0] = {data: new String(files[0])};
                // so data is always ok now.
                if (files[0].src === undefined) files[0].src = 'lib';
                if (files[0].src == 'lib') {
                    files[0].src = 'wiki';
                    var dataLocation = {
                        morebits: 'User:Jimmy_xu_wrk/Friendly/morebits.js',
                        mediawiki: 'User:Liangent/Scripts/Libraries/MediaWiki.js',
                        jqueryui: 'User:Liangent/Scripts/Libraries/jquery-ui.min.js',
                        jquery_cookie: 'User:Liangent/Scripts/Libraries/jquery.cookie.min.js',
                        jquery: ''
                    }[files[0].data];
                    if (dataLocation === undefined) throw files[0].data + ' cannot be found';
                    files[0].data = dataLocation;
                }
                if (files[0].src == 'wiki') {
                    files[0].src = 'uri';
                    if (files[0].data.length != 0) {
                        files[0].data = wgScript + '?title=' + encodeURIComponent(files[0].data) + '&action=raw&ctype=text/javascript';
                    }
                }
                if (files[0].src == 'uri' || files[0].src == 'url') {
                    var ready = function() {
                        window.require(files.slice(1), callback);
                    };
                    if (scripts[files[0].data] === undefined) {
                        scripts[files[0].data] = [ready];
                        $.getScript(files[0].data, function() {
                            var callbacks = scripts[files[0].data];
                            // must do this first. because we have already loaded the script,
                            // new functions pushed into callbacks in callback() will be never executed.
                            // setting scripts[files[0].data] to null stops functions from being
                            // added to callbacks.
                            scripts[files[0].data] = null;
                            $.each(callbacks, function() {
                                this();
                            });
                        });
                    } else if ($.isArray(scripts[files[0].data])) {
                        scripts[files[0].data].push(ready);
                    } else {
                        ready();
                    }
                } else {
                    throw files[0].src + ' is unsupported';
                }
            } else {
                callback();
            }
        };
    })(jQuery);
}