storybook-dark-mode's Introduction

storybook-dark-mode

A storybook addons that lets your users toggle between dark and light mode.

Installation

Install the following npm module:

npm i --save-dev storybook-dark-mode

or with yarn:

yarn add -D storybook-dark-mode

Then, add following content to .storybook/addons.js

import 'storybook-dark-mode/register';

Configuration

Configure the dark and light mode by adding the following to you config.js file:

import { addParameters } from '@storybook/react'; // or any other type of storybook

addParameters({
  darkMode: {
    // Override the default dark theme
    dark: { ...themes.dark, appBg: 'black' },
    // Override the default light theme
    light: { ...themes.normal, appBg: 'red' }
  }
});

Story integration

If your components use a custom Theme provider, you can integrate it by adding decorator that listens for the DARK_MODE event via the addons channel.

import addons from '@storybook/addons';
import { addDecorator } from '@storybook/react';

// your theme provider
import ThemeContext from './theme';

// get channel to listen to event emitter
const channel = addons.getChannel();

// create a component that listens for the DARK_MODE event
function ThemeWrapper(props) {
  // this example uses hook but you can also use class component as well
  const [isDark, setDark] = useState(false);

  useEffect(() => {
    // listen to DARK_MODE event
    channel.on('DARK_MODE', setDark);
    return () => channel.off('DARK_MODE', setDark);
  }, [channel, setDark]);

  // render your custom theme provider
  return (
    <ThemeContext.Provider value={isDark ? darkTheme : defaultTheme}>
      {props.children}
    </ThemeContext.Provider>
  );
}

addDecorator(renderStory => <ThemeWrapper>{renderStory()}</ThemeWrapper>);

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