54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
/*
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* jQuery.ajaxQueue - A queue for ajax requests
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*
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* @copyright: Copyright (c) 2013 Corey Frang
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* @license: Licensed under the MIT license. See https://github.com/gnarf/jquery-ajaxQueue/blob/master/LICENSE-MIT.
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* @website: https://github.com/gnarf/jquery-ajaxQueue
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*/
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(function($) {
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// jQuery on an empty object, we are going to use this as our Queue
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var ajaxQueue = $({});
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$.ajaxQueue = function( ajaxOpts ) {
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var jqXHR,
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dfd = $.Deferred(),
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promise = dfd.promise();
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// run the actual query
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function doRequest( next ) {
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jqXHR = $.ajax( ajaxOpts );
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jqXHR.done( dfd.resolve )
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.fail( dfd.reject )
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.then( next, next );
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}
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// queue our ajax request
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ajaxQueue.queue( doRequest );
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// add the abort method
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promise.abort = function( statusText ) {
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// proxy abort to the jqXHR if it is active
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if ( jqXHR ) {
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return jqXHR.abort( statusText );
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}
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// if there wasn't already a jqXHR we need to remove from queue
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var queue = ajaxQueue.queue(),
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index = $.inArray( doRequest, queue );
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if ( index > -1 ) {
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queue.splice( index, 1 );
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}
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// and then reject the deferred
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dfd.rejectWith( ajaxOpts.context || ajaxOpts, [ promise, statusText, "" ] );
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return promise;
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};
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return promise;
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};
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})(jQuery);
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