Dependency Injecting an empty module into a controller in Angular

Question

I am trying to dependency inject a module into another—the former is simply an empty module.

angular.module('module1', []);
angular.module('module2', [])
.controller('Module2Ctrl', ['module1', '$scope', function (module1, $scope) {
  $scope.expression = 'hello!';
}]);

HTML:

<html ng-app="module2">
  <body ng-controller="Module2Ctrl">
    <h1>{{expression}}</h1>
  </body>

</html>

I'm getting the dreaded Unknown provider: module1Provider <- module1 <- Module2Ctrl message.

What's going on? I believe everything is defined as it should be—though module1 has no definitions, I can't find information anywhere on what would stop this from working.

Plnkr: http://plnkr.co/edit/goMVFRNuPgG6iIpGYI1Y?p=preview

Thanks :-)

sahbeewah · Accepted Answer · 2015-05-02 22:32:31Z

1

You inject providers (such as factories, services, ...), not modules. Remove the module1 injection and it will work. What you're thinking of doing is probably declaring module2 as a module dependency of module1:

angular.module('module1', ['module2']);

and then ng-app="module".

answered May 2, 2015 at 22:32

sahbeewah

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Comments

Pankaj Parkar · Accepted Answer · 2015-05-02 22:31:14Z

1

angular.module can not injected inside a controller,Only one angular.module can be injected inside another module.

angular.module('module2', ['module1'])

You should never do that angular. Only angular components are inject-able like service,controller, factory, filter, provider,etc.

For initializing angular on page you could do angular.bootstrap

angular.bootstrap(document,["module2"])

answered May 2, 2015 at 22:31

Pankaj Parkar

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