Adding the same resolve onto every route in Angular.

<!DOCTYPE html>
<html ng-app="myApp">

  <head>
    <link data-require="bootstrap-css@*" data-semver="3.2.0" rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" />
    <script data-require="angular.js@*" data-semver="1.3.0-beta.5" src="https://code.angularjs.org/1.3.0-beta.5/angular.js"></script>
    <script src="http://code.angularjs.org/1.2.20/angular-route.js"></script>
    <script src="app.js"></script>
    <script src="controllers.js"></script>
  </head>

  <body class="container">
    <ng-view></ng-view>
  </body>

</html>

myApp = angular.module("myApp", ["ngRoute"]);

myApp.config(["$routeProvider", function($routeProvider) {
  var universalResolves = {
    "spells": function() {
      return [
        { word: "xyzzy", response: "Nothing happens." },
        { word: "open sesame", response: "The door opens!" }
      ];
    }    
  };
  var customRouteProvider = angular.extend({}, $routeProvider, {
    when: function(path, route) {
      route.resolve = (route.resolve) ? route.resolve : {};
      angular.extend(route.resolve, universalResolves);
      $routeProvider.when(path, route);
      return this;
    }
  });

  customRouteProvider
    .when('/home', {
      controller: "HomeCtrl",
      templateUrl: "_home.html",
      resolve: {
        "user": function() {
          return { name: "Player 1" };
        }
      }
    })
    .when('/cast/:spell', {
      controller: "CastCtrl",
      templateUrl: "_cast.html"
    })
  
    .otherwise({
      redirectTo: '/home'
    });
}]);

myApp = angular.module("myApp");

myApp.controller("CastCtrl", function($scope, $routeParams, spells) {
  $scope.spell = spells[$routeParams.spell];
});

myApp.controller("HomeCtrl", function($scope, user, spells) {
  $scope.user = user;
  $scope.spells = spells;
});

<div class="row">
  <h1>Welcome, {{user.name}}!</h1>
  <p>In front of you you see a closed door. What do you do?</p>
  <ul>
    <div class="row" ng-repeat="spell in spells">
      > <a ng-href="#/cast/{{$index}}"> say "{{spell.word}}"</a>
    </div>
  </ul>
</div>

<h1>> say "{{spell.word}}"</h1>

<p>{{spell.response}}</p>

<a href="#/home">Try something else.</a>