The URL switches back and forth from "localhost:8100" to "localhost:8100/some-route" while displaying a blank white screen

After working on my ionic app without any issues, I restarted my computer only to find that when I tried to run the project again, I was met with a blank white screen on both the browser and device. Even when I reverted back to an earlier branch, the URL continued to flicker between "localhost:8100" and "localhost:8100/some-route". It seems like there may be a problem with the structure of my app.js file causing one of the routes not to resolve correctly.

The structure of my app.js file is as follows, but I'm unsure if this is where the issue lies. Any advice on best practices for structuring would be appreciated in case the problem is related to resolving states. Thank you for any help provided.

angular.module('underscore', [])
.factory('_', function() {
  return window._; 
});

angular.module('myapp', [...])
  .constant(...)
  .config(function(...) {
    var resolve = {
      <auth promise for route access>
      return defer.promise;
    }
    $http(<setup for http requests headers>);

    $stateProvider.state('app.some-route', {
      resolve: resolve,
      ... all my routes, some of which resolve ...      
    })
      .run(function(...);

Answer №1

After some investigation, I believe I've resolved the issue. Hopefully, I won't encounter the same problem if I revisit this session in the future. While working on a project, I came across a helpful link about ui-router resolve behaving strangely in Ionic. This led me to discover that it was considered an 'Ionic bug' and not an issue when using Angular alone. The solution I found can be seen here: https://github.com/driftyco/ionic/issues/1751. My specific problem stemmed from the order of scripts in my index.html, which initially were listed as:

script src="lib/ionic/js/ionic.bundle.js"
script src="other-dependencies.js"
script src="cordova.js"
script src="js/app.js"
script src="js/controllers.js"
script src="js/services.js" 

It turns out, script order does matter. I resolved this by rearranging them like this:

script src="lib/ionic/js/ionic.bundle.js"
script src="cordova.js"
script src="js/app.js"
script src="js/controllers.js"
script src="js/services.js" 
script src="other-dependencies.js"

I hope this information proves useful to others.

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