AngularJS - Initialize service without calling it

Question

In my AngularJS application I want to initialize a factory service, without calling it from a controller or other service. How can this be done?

The reason is that I want the service to call one of its functions when the application loads.

You can always load the service and its methods using the app bootstrap function run. — AranS
– AranS, Commented May 30, 2016 at 9:01
I've updated my question, think I might have explained it the wrong way ;-) — Michael Tot Korsgaard
– Michael Tot Korsgaard, Commented May 30, 2016 at 9:07
As said by @AranS, you can call service method during run phase of angular module. We are doing same thing for our web analytics — user3045179
– user3045179, Commented May 30, 2016 at 9:10

Neozaru · Accepted Answer · 2016-05-30 09:32:02Z

2

You could just inject your service in the angular.module(...).run(...) function. Then you could add the required code in the Service's main function/constructor.

But just injecting the Service without using it is a bad practice, because you or someone could remove it some day without knowing why it was injected.

So the best way to me is to inject the service in the .run function AND call a yourService.init() method that you will expose from your Service. That would be more explicit.

app.run(['yourService', function(yourService) {
  yourService.init();
}]);

answered May 30, 2016 at 9:32

Neozaru

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