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@storybook/addon-a11y

5.3.0-alpha.47
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  • License MIT

a11y addon for storybook

Package Exports

  • @storybook/addon-a11y
  • @storybook/addon-a11y/dist/index.js
  • @storybook/addon-a11y/register
  • @storybook/addon-a11y/register.js

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (@storybook/addon-a11y) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

storybook-addon-a11y

This storybook addon can be helpful to make your UI components more accessible.

Framework Support

Screenshot

Getting started

First, install the addon.

$ yarn add @storybook/addon-a11y --dev

Add this line to your addons.js file (create this file inside your storybook config directory if needed).

import '@storybook/addon-a11y/register';

import the withA11y decorator to check your stories for violations within your components.

import React from 'react';
import { storiesOf, addDecorator } from '@storybook/react';
import { withA11y } from '@storybook/addon-a11y';

// should only be added once
// best place is in config.js
addDecorator(withA11y)

storiesOf('button', module)
  .add('Accessible', () => (
    <button>
      Accessible button
    </button>
  ))
  .add('Inaccessible', () => (
    <button style={{ backgroundColor: 'red', color: 'darkRed', }}>
      Inaccessible button
    </button>
  ));

For more customizability. Use the addParameters function to configure aXe options. You can override these options at story level too.

import React from 'react';
import { storiesOf, addDecorator, addParameters } from '@storybook/react';

import { withA11y } from '@storybook/addon-a11y';

addDecorator(withA11y)
addParameters({
  a11y: {
    element: '#root', // optional selector which element to inspect
    config: {}, // axe-core configurationOptions (https://github.com/dequelabs/axe-core/blob/develop/doc/API.md#parameters-1)
    options: {} // axe-core optionsParameter (https://github.com/dequelabs/axe-core/blob/develop/doc/API.md#options-parameter)
  },
});

storiesOf('button', module)
  .add('Accessible', () => (
    <button style={{ backgroundColor: 'black', color: 'white', }}>
      Accessible button
    </button>
  ))
  .add('Inaccessible', () => (
    <button style={{ backgroundColor: 'black', color: 'black', }}>
      Inaccessible button
    </button>
  ));

Roadmap

  • Make UI accessible
  • Show in story where violations are.
  • Add more example tests
  • Add tests
  • Make CI integration possible