example of angular "modules" issue

ngModuleIssue.js

angular.module('moduleA', []).service('ServiceA', function() {
    this.getName = function() {
        return 'bob';
    }
});
angular.module('moduleB', []).service('ServiceB', ['ServiceA', function(ServiceA) {
    this.greet = function() {
        return 'Hello ' + ServiceA.getName()
    }
}]);
angular.module("app", ['moduleA', 'moduleB'])
    .controller("myCtrl", function(ServiceB) {
        this.data = ServiceB.greet();
});