Deferedorator

deferedorator.js

var Deferedorator = function(col, func) {
  _.extend(this, Backbone.Events);
  this.collection_ = col;
  this.function_ = func;
};

Deferedorator.prototype.start = function() {
  this.doItem_(0);
};

Deferedorator.prototype.doItem_ = function(i) {
  _.defer(this.doFunction_, i);
};

Deferedorator.prototype.doFunction_ = function(i) {
  var item = this.collection_[i];

  this.function_(item);
  if (!this.collection_[i+1]) {
    this.trigger("finished");
    return;
  }

  this.doItem_(i+1);
};