Leveraging $http or $timeout in conjunction with $stateProvider in AngularJS

I am seeking guidance on loading a template for a specific state in Angular using $http after coming across this question on Stack Overflow: Is it possible to load a template via AJAX request for UI-Router in Angular?

The documentation for ui.router demonstrates the use of both $timeout and $http within the configuration of $stateProvider. However, I have realized that these services are not accessible during the module's config phase when configuring $stateProvider, as demonstrated in the provided example.

Or you can use a template provider function which can be injected, has access to locals, and must return template HTML, like this:

$stateProvider.state('contacts', {   templateProvider: function
 ($timeout, $stateParams) {
   return $timeout(function () {
    return '<h1>' + $stateParams.contactId + '</h1>'
   }, 100);   
 } 
})

As per the documentation, is there a way to access either $timeout or $http when configuring $stateProvider? Should state configuration take place at another stage? Are there alternative methods for achieving this that I may have overlooked?

Answer №1

The templateProvider function is injected with dependencies using the injector service, separate from the config phase.

Therefore, you can easily use $http by injecting it into the function directly. As shown in the example, $timeout and $stateParams are also inaccessible during the config phase, but they work properly within the templateProvider function.

Here's an example snippet that retrieves content from HTTPBin:

templateProvider: function($http) {
  return $http.get('https://httpbin.org/get')
    .then(function(response) {
      return JSON.stringify(response.data);
    });
}

For more information, check out this fiddle.

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