AngularJS - Dependency injection in services, factories, filters etc

Question

So I have some plugins and libraries I want to use in my angular app and (currently) I am simply referencing those functions/methods as they were intended in 99% of apps in a wa

Answer 1

For the sake of completeness, here is a service example with injection:

app.service('', ['$http', function($http) {
  this.foo = function() { ... }
}]);