jQuery.ajaxQueue - A queue for ajax requests

jquery.ajaxQueue.js

/*!
 * jQuery.ajaxQueue - A queue for ajax requests
 * 
 * (c) 2011 Pedro Sland
 * Original by (c) 2011 Corey Frang
 * 
 * Dual licensed under the MIT and GPL licenses.
 *
 * Requires jQuery 1.5+
 */ 
(function($) {

// Object for namespaced queues
window.ajaxQueue = {};

$.ajaxQueue = function( ajaxOpts ) {
    var jqXHR,
        dfd = $.Deferred(),
        promise = dfd.promise(),
        queue = ajaxOpts.queue || 'default';

    if(!ajaxQueue[queue]){
      ajaxQueue[queue] = [];
    }
  
    // queue our ajax request
    ajaxQueue[queue].push(doRequest);

    // add the abort method
    promise.abort = function( statusText ) {

        var ret = promise;
        
        // proxy abort to the jqXHR if it is active
        if ( jqXHR ) {
            ret = jqXHR.abort( statusText );
        }
        
        var index = $.inArray( doRequest, ajaxQueue[queue] );

        if ( index > -1 ) {
            ajaxQueue[queue].splice( index, 1 );
        }
        
        // and then reject the deferred
        dfd.rejectWith( ajaxOpts.context || ajaxOpts, [ promise, statusText, "" ] );
        return promise;
    };

    // run the actual query
    function doRequest() {
        jqXHR = $.ajax( ajaxOpts )
            .done( dfd.resolve )
            .fail( dfd.reject )
            .always( doNext );
    }
  
    // Remove the current item and run the next if it exists.
    function doNext(){
      ajaxQueue[queue].shift();
      
      if(ajaxQueue[queue][0]){
        ajaxQueue[queue][0]();
      }
    }
  
    if(ajaxQueue[queue].length == 1){
      doRequest();
    }

    return promise;
};

})(jQuery);

jQuery.ajaxQueue.min.js

/*
 * jQuery.ajaxQueue - A queue for ajax requests
 * 
 * (c) 2011 Pedro Sland
 * Original by (c) 2011 Corey Frang
 * 
 * Dual licensed under the MIT and GPL licenses.
 *
 * Requires jQuery 1.5+
 */
(function(c){window.a={};c.a=function(d){function g(){h=c.c(d).f(e.m).g(e.k).d(k)}function k(){ajaxQueue[b].shift();if(ajaxQueue[b][0])ajaxQueue[b][0]()}var h,e=c.b(),f=e.i(),b=d.j||"default";ajaxQueue[b]||(ajaxQueue[b]=[]);ajaxQueue[b].push(g);f.abort=function(i){h&&h.abort(i);var j=c.h(g,ajaxQueue[b]);-1<j&&ajaxQueue[b].splice(j,1);e.l(d.e||d,[f,i,""]);return f};1==ajaxQueue[b].length&&g();return f}})(jQuery);