Issues with using this.transitionTo in Ember.js

Exploring the integration of Ember.js with Phonegap, I have implemented the Confirm API. However, I am encountering an issue where executing this.transitionTo('index') from the event-driven function onConfirm is proving to be a challenge.

Any thoughts or suggestions on how to resolve this dilemma?


App.MainRoute = Ember.Route.extend({
    actions:{
        abort: function(){
            navigator.notification.confirm(
                'Are you sure?', 
                 onConfirm,            
                'Abort',          
                ['NO','YES']     
            );
            function onConfirm(buttonIndex) {
                if (buttonIndex == 2){
                    this.transitionTo('index');
                }                
            }

           //this.transitionTo('index');
        }
    }
})
javascriptcordovaember.jsphonegap-plugins

Answer №1

When it comes to variable scope, it's important to ensure that `this` is scoped correctly within your code. In the example below, `this` should be scoped to the outer context rather than just the `onConfirm` function:

function onConfirm(buttonIndex) {
  if (buttonIndex == 2){
    this.transitionTo('index');
  }                
}.bind(this) // <-- make sure "this" is properly scoped for transition

If you require support for legacy browsers, you can achieve the same result using the following approach:

var _self = this;
function onConfirm(buttonIndex) {
  if (buttonIndex == 2){
    _self.transitionTo('index');
  }                
}

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