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Editorial Team
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Asked: 2026-06-03T02:59:21+00:00

All the DI documentation in Angular seems to be based on the idea that

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All the DI documentation in Angular seems to be based on the idea that you want the system implementation of a service when the code is production and when you are running automated tests, you want to select among several mock implementations.

No, I have several working implementations of a dependency and I want to choose one (based typically on the URL). How do I do that?

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1 Answer

  1. Editorial Team
    1. put your dependencies into separate module. Fore example serviceA.impl1 and serviceA.impl2
    2. create the application level module but add dependencies based on URL
    angular.module('impl1', [])....
angular.module('impl2', [])....

var deps = [];
if (location.match(...) {
  deps.push('impl1')
} else {
  deps.push('impl2')
}

angular.module('myApp', deps);

    then in your index.html do

      <html ng-app="myApp">
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