9+ Storybook 使い方 References

Storybook Collection 9781445427904 from www.childrensbooks.my

Introduction

If you're a developer, you've probably heard of Storybook. It's a tool that allows you to build UI components in isolation and test them in different scenarios. Storybook has become a popular choice for front-end developers, and for good reason. It helps you create more scalable and maintainable UI components, and it makes testing much easier. In this article, we'll cover the basics of Storybook and how to use it in 2023.

What is Storybook?

Storybook is a tool that allows you to build UI components in isolation from the rest of your application. This means that you can develop and test your components without having to worry about any other code in your project. Storybook provides a sandbox environment where you can play around with your components and see how they behave under different conditions.

Setting Up Storybook

To use Storybook, you first need to install it. You can do this using npm or yarn. Once you have installed Storybook, you can create a new project using the following command: ``` npx sb init ``` This will create a new Storybook project for you. You can then start Storybook using the following command: ``` npm run storybook ```

Creating Stories

The main concept behind Storybook is "stories." A story is a single visual state of a component. For example, you might have a story for a button component that shows what it looks like when it's in a disabled state. To create a story, you need to create a new file in your project's `stories` directory. The file should be named after the component you're creating a story for.

Writing Stories

Once you've created a new file for your component, you can start writing stories. A story is defined using the `storiesOf` function, like this: ``` import { storiesOf } from '@storybook/react'; storiesOf('Button', module) .add('Default', () =>) .add('Disabled', () =>); ``` This creates two stories for a button component: one that shows the default state of the button, and one that shows the disabled state.

Using Addons

Storybook also has a concept called "addons." Addons are plugins that you can use to extend the functionality of Storybook. There are addons for things like accessibility testing, visual regression testing, and more. To use an addon, you first need to install it using npm or yarn. Once you've installed an addon, you can enable it in your Storybook configuration file.

Accessibility Testing

One popular addon for Storybook is the accessibility addon. This addon allows you to test your components for accessibility issues. To use the accessibility addon, you first need to install it using npm or yarn. Once you've installed it, you can enable it in your Storybook configuration file.

Conclusion

In this article, we've covered the basics of Storybook and how to use it in 2023. We've seen how to create stories for our components, how to use addons to extend the functionality of Storybook, and how to test our components for accessibility issues. Hopefully, this has given you a good starting point for using Storybook in your own projects. Happy coding!