79 lines
1.8 KiB
JavaScript
79 lines
1.8 KiB
JavaScript
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/*
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* jQuery Asynchronous Plugin 1.0
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*
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* Copyright (c) 2008 Vincent Robert (genezys.net)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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*
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*/
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(function($){
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// opts.delay : (default 10) delay between async call in ms
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// opts.bulk : (default 500) delay during which the loop can continue synchronously without yielding the CPU
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// opts.test : (default true) function to test in the while test part
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// opts.loop : (default empty) function to call in the while loop part
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// opts.end : (default empty) function to call at the end of the while loop
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$.whileAsync = function(opts)
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{
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var delay = Math.abs(opts.delay) || 10,
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bulk = isNaN(opts.bulk) ? 500 : Math.abs(opts.bulk),
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test = opts.test || function(){ return true; },
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loop = opts.loop || function(){},
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end = opts.end || function(){};
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(function(){
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var t = false,
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begin = new Date();
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while( t = test() )
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{
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loop();
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if( bulk === 0 || (new Date() - begin) > bulk )
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{
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break;
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}
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}
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if( t )
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{
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setTimeout(arguments.callee, delay);
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}
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else
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{
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end();
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}
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})();
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}
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// opts.delay : (default 10) delay between async call in ms
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// opts.bulk : (default 500) delay during which the loop can continue synchronously without yielding the CPU
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// opts.loop : (default empty) function to call in the each loop part, signature: function(index, value) this = value
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// opts.end : (default empty) function to call at the end of the each loop
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$.eachAsync = function(array, opts)
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{
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var i = 0,
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l = array.length,
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loop = opts.loop || function(){};
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$.whileAsync(
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$.extend(opts, {
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test: function(){ return i < l; },
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loop: function()
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{
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var val = array[i];
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return loop.call(val, i++, val);
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}
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})
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);
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}
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$.fn.eachAsync = function(opts)
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{
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$.eachAsync(this, opts);
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return this;
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}
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})(jQuery);
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