Modification to Ember.Router to allow transitions to be rememberable/refirable

router-mod.js

// Modification to Ember Router to enable rememberable transitions.
function rememberAndPerformTransition() {
  var args = [].slice.call(arguments), self = this, _super = this._super;

  this.currentTransition = function() {
    _super.apply(self, args);
  };

  this.currentTransition();
}

App.Router.reopen({

  transitionTo: rememberAndPerformTransition,
  handleURL: rememberAndPerformTransition,

  saveTransition: function() {
    this.savedTransition = this.savedTransition || this.currentTransition;
  },

  retryTransition: function() {
    if (this.savedTransition) {
      this.savedTransition();
      this.savedTransition = null;
      return true;
    }
  }
});