EmberJS: secure callbacks when browsing is destroyed?

Question

I have a little problem with promises. I am sure that the looping cycle solves my problem, but it is still a bit unclear. The problem is here: I have a component that makes some heavy ajax calls that may take a few seconds. When the solution promises, I set the data to componentnent so that it can display a graph. The problem is that if the user navigates to a new page, the view (and all components) is destroyed, and when resolving promises, it tries to install an object that does not yet exist. And boom, I have an "attempt to set an object to a destroyed error." Here is a small part of the method that is called when a solution is promised:

updateChart: function(timeframe, interval) {
   var self   = this;
   var method = 'get' + this.get('type').capitalize();

   this.set('isLoading', true);

   this.get('slowService')[method](this.get('project')).then(function(result) {
     Ember.run(function() {
       self.set('isLoading', false);
     });

    self.set('data', result);
 });

},

Thanks a lot!

Answer 1

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