Using Themes

Themes help you add a full UI and template framework to a Factor application in seconds. Learn how to install and use them.


Themes are opinionated UI and template frameworks built on top of the vanilla Factor core. They help you create a stylized application quickly that can then be customized easily.

Installing Themes

All that is needed to install a Factor theme is to add it as a dependency to your project (in package.json).

For example, to install the Alpha Theme, just run:

npm add @factor/theme-alpha

App and Theme Conflicts

Since themes typically add a route structure, you'll need to review their settings to make sure there aren't conflicts with your app's routes or UI.

That said, nearly everything in a theme can be customized via settings. So conflicts can usually be resolved.

Using Multiple Themes

It's possible to use multiple themes in one app. At Fiction we use a shared theme (between Factor and Fiction). In this theme we put all the shared functionality, customization, and plugins.

If there is an issue with load order between the themes, you can add a priority setting in package.json > factor. The theme with the higher priority value will come later in the load order, taking precedence.

  // package.json
  "factor": {
    "priority": 300

Customizing Themes

Every theme has different features and functionality. It's best to review the documentation and/or readme for the plugin to know what is available.

Generally, there are 3 ways to use and customize themes:

  • Settings
  • Styles
  • Plugin API
  • Providing imports and settings you can use in the app (e.g. import {example} from @factor/theme)


  • A theme's factor-settings to know what can be easily customized with settings.