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jQuery Tiny Pub/Sub: A really, really, REALLY tiny pub/sub implementation for jQuery.
/*!
* jQuery Tiny Pub/Sub - v0.6 - 1/10/2011
* http://benalman.com/
*
* Copyright (c) 2010 "Cowboy" Ben Alman
* Dual licensed under the MIT and GPL licenses.
* http://benalman.com/about/license/
*/
(function($){
// Create a "dummy" jQuery object on which to bind, unbind and trigger event
// handlers. Note that $({}) works in jQuery 1.4.3+, but because .unbind on
// a "plain object" throws errors in older versions of jQuery, an element is
// used here.
var o = $('<b/>');
// Subscribe to a topic. Works just like bind, except the passed handler
// is wrapped in a function so that the event object can be stripped out.
// Even though the event object might be useful, it is unnecessary and
// will only complicate things in the future should the user decide to move
// to a non-$.event-based pub/sub implementation.
$.subscribe = function( topic, fn ) {
// Call fn, stripping out the 1st argument (the event object).
function wrapper() {
return fn.apply( this, Array.prototype.slice.call( arguments, 1 ) );
}
// Add .guid property to function to allow it to be easily unbound. Note
// that $.guid is new in jQuery 1.4+, and $.event.guid was used before.
wrapper.guid = fn.guid = fn.guid || ( $.guid ? $.guid++ : $.event.guid++ );
// Bind the handler.
o.bind( topic, wrapper );
};
// Unsubscribe from a topic. Works exactly like unbind.
$.unsubscribe = function() {
o.unbind.apply( o, arguments );
};
// Publish a topic. Works exactly like trigger.
$.publish = function() {
o.trigger.apply( o, arguments );
};
})(jQuery);
/*
* jQuery Tiny Pub/Sub - v0.6 - 1/10/2011
* http://benalman.com/
*
* Copyright (c) 2010 "Cowboy" Ben Alman
* Dual licensed under the MIT and GPL licenses.
* http://benalman.com/about/license/
*/
(function($){var a=$("<b/>");$.subscribe=function(b,c){function d(){return c.apply(this,Array.prototype.slice.call(arguments,1))}d.guid=c.guid=c.guid||($.guid?$.guid++:$.event.guid++);a.bind(b,d)};$.unsubscribe=function(){a.unbind.apply(a,arguments)};$.publish=function(){a.trigger.apply(a,arguments)}})(jQuery);
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