Exploring the order of execution for resolve and run() in AngularJS

After finding the answer on AngularJS app.run() documentation, I now understand the sequence in which Angular runs modules. This leads me to my question:

Consider the following code snippet:

app.config(function () {
    $routeProvider.when('/', {
        ....
        resolve: {
            // something to resolve
        }
    });
});

app.run(function () {
    // something to run
});

My query is, will the run() function be executed before the routeProvider's resolve:{} is resolved?

Answer №1

From the results of my own experiments, it appears that the resolve function is executed after app.run.

You can view the sequence of calls in the following example on this jsfiddle:

  1. app configuration
  2. app run
  3. directive setup
  4. directive compile
  5. app controller
  6. directive link
  7. ** Data resolve called **
  8. new route's controller

In the provided fiddle, I verified this order using a console.log statement within the resolve object:

resolve: {
            data: function() {
              console.log('Data resolve called');
            }
         }

You can apply a similar technique in your code to observe when the routeProvider starts evaluating its dependencies.

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