Simple Angular $routeProvider resolve test. What is wrong with this code?

angularjs angularjs-directive angularjs-service angularjs-routing angularjs-controller

10,243

The problem is that you have ng-controller="ResolveCtrl" on your body tag in index.html when also in your $routeProvider you specify the same controller for rt.html. Take out the controller definition from your body tag and just let the $routeProvider take care of it. It works great after that.

10,243

Author by

Hilo

Updated on June 11, 2022

Comments

Hilo about 2 years

I have created a simple Angular JS $routeProvider resolve test application. It gives the following error:

Error: Unknown provider: dataProvider <- data

I would appreciate it if someone could identify where I have gone wrong.

index.html

<!DOCTYPE html>
<html ng-app="ResolveTest">
  <head>
    <title>Resolve Test</title>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.6/angular.js">    </script>
    <script src="ResolveTest.js"></script>
  </head>
  <body ng-controller="ResolveCtrl">
    <div ng-view></div>
  </body>
</html>

ResolveTest.js

var rt = angular.module("ResolveTest",[]);

rt.config(["$routeProvider",function($routeProvider)
{
  $routeProvider.when("/",{
    templateUrl: "rt.html",
    controller: "ResolveCtrl",
    resolve: {
      data: ["$q","$timeout",function($q,$timeout)
      {
        var deferred = $q.defer();

        $timeout(function()
        {
          deferred.resolve("my data value");
        },2000);

        return deferred.promise;
      }]
    }
  });
}]);

rt.controller("ResolveCtrl",["$scope","data",function($scope,data)
{
  console.log("data : " + data);
  $scope.data = data;
}]);

rt.html

<span>{{data}}</span>

Hilo about 11 years

robbymurphy - you have no resolve nor injection of the result in your fiddle so you're not replicating the issue correctly.
Hilo about 11 years

From the AngularJS $routeProvider doc for resolve: factory - {string|function}: If string then it is an alias for a service. Otherwise if function, then it is injected and the return value is treated as the dependency. If the result is a promise, it is resolved before its value is injected into the controller.
Hilo about 11 years

If resolve is a function that returns a promise, it is resolved then injected into the controller.
robbymurphy about 11 years

@CM you're right, I was under the impression that you were arguing that you cannot have a controller specified in both the route and the markup.