Created
April 3, 2012 19:09
Backbone.SoftModel
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/** | |
Extend Backbone.SoftModel and then bind to the 'soft:change' event. | |
It will only fire once given a sequence of rapid-fire changes. | |
This avoids for example having multiple redundant renders, | |
which can be a performance killer. That way you don't have to | |
splatter your code with speculative {silent:true}s. | |
Warning! | |
This code is untested. This is just exploring an idea. | |
*/ | |
Backbone.SoftModel = (function(window){ | |
var arraySlice = [].slice; | |
var superTrigger = Backbone.Model.prototype.trigger; | |
return Backbone.Model.extend({ | |
trigger: function(eventName){ | |
var args = arraySlice.call(arguments); | |
var self = this; | |
superTrigger.apply(self, args); | |
args[0] = 'soft:'+args[0]; | |
if (!self.timers) { self.timers = {}; } | |
window.clearTimeout(self.timers[eventName]); | |
self.timers[eventName] = window.setTimeout(function(){ | |
superTrigger.apply(self, args); | |
}, 10); | |
} | |
}); | |
})(window); |
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