Exploring the dynamic duo of Angular's ui-router and ocLazyLoad

Issue Overview:

In my Angular application, I have multiple modules structured like this:

angular.module('app', ['app.core', 'app.views']); // not lazy load

Each module under app.views utilizes a RouterUtil to define their own routes using:

$stateProvider.state('state name', {/* some configs here */});

The RouterUtil also includes a method to access all registered states, which is used to generate a dynamic menu.

I am incorporating the ocLazyLoad library for lazy loading external modules. When the page loads, ocLazyLoad makes a request for additional JavaScript files containing angular modules, which are then added to the current environment.

An issue arises when attempting to refresh a page on an external module:

Current Behavior:

  • Angular registers $states
  • ocLazyLoad initiates a request for the external module
  • ui-router attempts to parse the URL and redirects to default page as it cannot find a matching state
  • After ocLazyLoad finishes adding new modules, the requested URL now has a corresponding state

Is there a way to make ui-router wait for the ocLazyLoad request before checking if a URL is registered?

Answer №1

If you need to postpone ui-router's monitoring of the URL, consider using the deferIntercept() method.

app.config(function($urlRouterProvider) {
  urlRouterProvider.deferIntercept(); 
});

... handling ocLazyLoad

app.run(function($urlRouter) { 
  ocLazyLoadPromise.then(function() { urlRouter.listen(); }); 
});

Check out the documentation for more details on $urlRouterProvider.

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