When the nesting in AngularJS ui-router becomes overwhelming

Question

When the nesting in AngularJS ui-router becomes overwhelming

I've been in the process of refactoring a large application at work, and I've noticed significant similarities between different parts of the app that make me think nesting routes could be beneficial. However, as I continue to nest more and more, I find myself with states like:

app.budgetAddComponent.transport.online.seleccionar

Some of these states are simply HTML elements, like app, which represents the navbar, or transport, which is a collection of tabs.

Now, I find myself deep within the seleccionar state, utilizing components from the budgetAddComponent state, and I'm starting to question if I may be going too far.

Have any of you had experiences with deep nesting like this? Do you think it's excessive, or is it just par for the course?

javascript angularjs performance angular-ui-router

Answer 1

Answer №1

It's perfectly acceptable to have deep states, as long as it doesn't affect performance and may just appear a bit more complex.

One way to reduce the depth is by using multiple named views instead of nesting all routes. For example, if you have a route that only serves as a template like navbar or tabs, you can do this:

<div ui-view="navbar"></div>
<div ui-view="tabledata"></div>

In the child state definition, you can specify:

$stateProvider      
  .state('budgetAddComponent', {        
    views: {        
      'navbar': { ... templates and/or controllers ... },   
      'tabledata': { ... templates and/or controllers ... } 
    }       
  })

You no longer need a separate parent state just for the navbar template. Similarly, in the main template of budgetAddComponent (e.g., inside tabledata), include two ui-views with names such as tabs and maintemplate. Then you can directly have an online state containing two views - one for 'tabs' which only has a template, and the other for 'maintemplate' which includes both an HTML partial and a controller. This eliminates the need for a separate state like transport, reducing the number of nested states when unnecessary.

For more information, refer to the documentation at:

Answer 2

It's perfectly acceptable to have deep states, as long as it doesn't affect performance and may just appear a bit more complex.

One way to reduce the depth is by using multiple named views instead of nesting all routes. For example, if you have a route that only serves as a template like navbar or tabs, you can do this:

<div ui-view="navbar"></div>
<div ui-view="tabledata"></div>

In the child state definition, you can specify:

$stateProvider      
  .state('budgetAddComponent', {        
    views: {        
      'navbar': { ... templates and/or controllers ... },   
      'tabledata': { ... templates and/or controllers ... } 
    }       
  })

You no longer need a separate parent state just for the navbar template. Similarly, in the main template of budgetAddComponent (e.g., inside tabledata), include two ui-views with names such as tabs and maintemplate. Then you can directly have an online state containing two views - one for 'tabs' which only has a template, and the other for 'maintemplate' which includes both an HTML partial and a controller. This eliminates the need for a separate state like transport, reducing the number of nested states when unnecessary.

For more information, refer to the documentation at:

When the nesting in AngularJS ui-router becomes overwhelming

Answer №1

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