Setting up the Angular configuration block

I am encountering an issue with initializing Facebook and other providers. Is there a way to run this code not at the start of the application, but when the user navigates to a specific page where I want to use it? I need to retrieve the APP_ID from an API call and do not wish to load unnecessary data on the homepage.

.config(function(FacebookProvider) {
 // Set your appId through the setAppId method or
 // use the shortcut in the initialize method directly.
 FacebookProvider.init('YOUR_APP_ID');

})

javascriptangularjs

Answer №1

I appreciate the suggestion from @atefth about using options, but another option is to handle it in route resolve.

Answer №2

One effective approach is to utilize a service as it remains a singleton, preventing multiple initializations.

To integrate a Facebook service, follow these steps -

app.service('facebook', function(FacebookProvider) {
  this.init: function(){
     FacebookProvider.init('YOUR_APP_ID');
  }
});

Next, you can inject the facebook and execute the init method in this way -

app.controller('AuthCtrl', function($scope, fb) {
  fb.init();
});

I hope this explanation proves useful.

UPDATE

It appears that Providers cannot be injected into services since they are only accessible within the .config() block.

Alternative Solution

We can make use of the $injector object - 

app.service('fb', function($injector) {
  this.init: function(){
     var FacebookProvider = $injector.get('FacebookProvider');
     FacebookProvider.init('YOUR_APP_ID');
  }
});

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