Created
April 7, 2014 15:48
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Debouncing function for jQuery .resize() in Coffeescript
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| ## http://www.paulirish.com/2009/throttled-smartresize-jquery-event-handler/ | |
| ## --------------------------------------------- | |
| ## debouncing function from John Hann | |
| ## http://unscriptable.com/index.php/2009/03/20/debouncing-javascript-methods/ | |
| # | |
| # (function($,sr){ | |
| # var debounce = function (func, threshold, execAsap) { | |
| # var timeout; | |
| # return function debounced () { | |
| # var obj = this, args = arguments; | |
| # function delayed () { | |
| # if (!execAsap) | |
| # func.apply(obj, args); | |
| # timeout = null; | |
| # } | |
| # if (timeout) | |
| # clearTimeout(timeout); | |
| # else if (execAsap) | |
| # func.apply(obj, args); | |
| # timeout = setTimeout(delayed, threshold || 100); | |
| # } | |
| # } | |
| # // Smartresize | |
| # jQuery.fn[sr] = function(fn){ return fn ? this.bind('resize', debounce(fn)) : this.trigger(sr); }; | |
| # | |
| # })(jQuery,'smartresize'); | |
| (($, sr) -> | |
| debounce = (func, threshold, execAsap) -> | |
| timeout = undefined | |
| debounced = -> | |
| delayed = -> | |
| func.apply obj, args unless execAsap | |
| timeout = null | |
| return | |
| obj = this | |
| args = arguments | |
| if timeout | |
| clearTimeout timeout | |
| else func.apply obj, args if execAsap | |
| timeout = setTimeout(delayed, threshold or 100) | |
| return | |
| # Smartresize | |
| jQuery.fn[sr] = (fn) -> | |
| (if fn then @bind("resize", debounce(fn)) else @trigger(sr)) | |
| return | |
| ) jQuery, "smartresize" |
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