route_resolve_promise.js

/* A éviter */
angular
  .module('app')
  .controller('Avengers', Avengers);

function Avengers (movieService) {
  var vm = this;
  // unresolved
  vm.movies;
  // resolved asynchronously
  movieService.getMovies().then(function (response) {
    vm.movies = response.movies;
  });
}

/* Recommandé */

// route-config.js
angular
  .module('app')
  .config(config);

function config ($routeProvider) {
  $routeProvider
    .when('/avengers', {
      templateUrl: 'avengers.html',
      controller: 'Avengers',
      controllerAs: 'vm',
      resolve: {
        moviesPrepService: function (movieService) {
            return movieService.getMovies();
        }
      }
    });
}

// avengers.js
angular
  .module('app')
  .controller('Avengers', Avengers);

function Avengers (moviesPrepService) {
  var vm = this;
  vm.movies = moviesPrepService.movies;
}