Storybook Addon Themes

Greatly inspired by @storybook/addon-backgrounds.

This Storybook Theme Decorator can be used to add a custom HTML class or classes to the the preview in Storybook.

Compatibility

This version is compatible with storybook version 5.3.x.

Installation

npm i -D storybook-addon-themes

Getting started

Then activate the addon by adding it to the storybook main.js file (located in the Storybook config directory):

module.exports = {
  addons: [
    // Maybe other addons here...
    'storybook-addon-themes'
    // Or here...
  ],
};

See the storybook documentation for more informations.

Parameters

The themes parameter accept a list of Theme object.

Each Theme is an object with the following properties :

name (string): Name of the theme
class (string | string[]): HTML class(es) associated with the theme
color (string): The color of the badge in the theme selector
default (boolean - optionnal): Is the theme selected by default ?

The themes parameter also accept an object with the following properties :

list (Theme[] - optionnal): The list of themes
disable (boolean - optionnal): Disable the addon for a story

Configuration

Globally

You can configure the themes globally in the storybook preview.js file:

import { addParameters } from '@storybook/react'; // <- or your storybook framework

addParameters({
  themes: [
    { name: 'twitter', class: 'theme-twt', color: '#00aced', default: true },
    { name: 'facebook', class: 'theme-fb', color: '#3b5998' },
  ],
});

See the storybook documentation for more informations.

In story (Component Story Format)

Or configure the themes in your story file like this:

export default {
  component: Button,
  parameters: {
    themes: [
      { name: 'twitter', class: ['theme-twt', 'light-mode'], color: '#00aced' },
      { name: 'facebook', class: ['theme-fb', 'dark-mode'], color: '#3b5998' },
    ]
  },
  title: 'CSF|Button',
};

If you only want to activate the addon or override the themes for a specific story you can write:

export default {
  component: Button,
  title: 'Button',
};

export const withText = () => <Button onClick={action('clicked')}>Hello Button</Button>;
withText.story = {
  parameters: {
    themes: [
      { name: 'twitter', class: ['theme-twt', 'light-mode'], color: '#00aced' },
      { name: 'facebook', class: ['theme-fb', 'dark-mode'], color: '#3b5998' },
    ]
  },
};

In story (StoriesOf API)

Alternatively with the old StoriesOf API:

import { storiesOf } from '@storybook/react'; // <- or your storybook framework

storiesOf('Button', module)
  .addParameters({
    themes: [
      { name: 'twitter', class: 'theme-twt', color: '#00aced', default: true },
      { name: 'facebook', class: 'theme-fb', color: '#3b5998' },
    ],
  })
  .add('with text', () => <button>Click me</button>);

And for a single story:

import { storiesOf } from '@storybook/react';

storiesOf('Button', module)
  .add('with text', () => <button>Click me</button>, {
    themes: [{
      name: 'red', class: 'theme-red', color: 'rgba(255, 0, 0)',
    }]
  });

Usage with decorator

By default the classes will be added to the body element.

But in this case your theme will not be visible by other addons (like @storybook/addon-storyshots).

To fix this you can add the withThemes decorator in your stories.

But the decorator method is not available for all frameworks

See here for the list of supported framework.

Globally

Setup the decorator globally in the preview.js file:

import { addDecorator, addParameters } from '@storybook/react'; // <- or your storybook framework
import { withThemes } from 'storybook-addon-themes/react'; // <- or your storybook framework

addParameters({
  themes: [
    { name: 'twitter', class: 'theme-twt', color: '#00aced', default: true },
    { name: 'facebook', class: 'theme-fb', color: '#3b5998' },
  ],
});
addDecorator(withThemes);

In story (Component Story Format)

Or in your story file (for all stories in that file):

export default {
  component: Button,
  decorators: [ withThemes ],
  parameters: {
    themes: [
      { name: 'twitter', class: ['theme-twt', 'light-mode'], color: '#00aced' },
      { name: 'facebook', class: ['theme-fb', 'dark-mode'], color: '#3b5998' },
    ]
  },
  title: 'CSF|Button',
};

Or just for a specific story:

export const withText = () => <Button onClick={action('clicked')}>Hello Button</Button>;
withText.story = {
  decorators: [ withThemes ],
  parameters: {
    themes: [
      { name: 'twitter', class: ['theme-twt', 'light-mode'], color: '#00aced' },
      { name: 'facebook', class: ['theme-fb', 'dark-mode'], color: '#3b5998' },
    ]
  },
};

In story (StoriesOf API)

And alternatively with the old StoriesOf API:

import { storiesOf } from '@storybook/react'; // <- or your storybook framework
import { withThemes } from 'storybook-addon-themes/react';

storiesOf('Button', module)
  .addDecorator(withThemes)
  .add('with text', () => <button>Click me</button>);

Framework Support Table

	React	React Native	Vue	Angular	Polymer	Mithril	HTML	Marko	Svelte	Riot	Ember	Preact
Usage without decorator	+		+	+	+	+	+	+	+	+	+	+
Usage with decorator	+		+

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