Storybook Using React

Last Updated : 22 Jul, 2024

Storybook is an open-source tool to build the UI components individually, allowing developers to concentrate on one component at a time, examine it more deeply, and record its behavior and changes. The objective of the project is to increase the effectiveness of the development of React components by giving them a dedicated space where they can be systematically and interactively created, imaged, or documented.

Prerequisites

Approach to use Storybook in React

To develop react components in isolation to allow for targeted and efficient development.
Create an interactive demo of React components that allows developers and designers to interact with them individually.
Directly within Storybook, you can document component behavior, use cases, and changes.
Early on in the product development process, Visual testing of components is carried out to determine if UI issues are present.
Displays a variety of characteristics and differences in the components, e.g. various props or user interactions.

Steps to Create the React App:

Step 1: Initialized a react app using the following command.

npx create-react-app react-storybook
cd react-storybook

Step 2: Install the required dependencies.

npx sb init

You must create a Storybook directory in the Project root, configure Storybook settings.Develop stories about each component of React, including descriptions of various states and use cases.

Project Structure:

Note:

we will have to make two files of each component and place the files in their respective folder (components and stories). As you can see the above project structure you will see Button.js in components folder and Button.stories.js in stories folder.
In components folder, we have the proper structure of the components and their customizations
In stories folder, we will have interactions of storybook with each of the component and customize it accordingly.

The updated dependencies in package.json file will look like:

"dependencies": {
    "@testing-library/jest-dom": "^5.17.0",
    "@testing-library/react": "^13.4.0",
    "@testing-library/user-event": "^13.5.0",
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-scripts": "5.0.1",
    "web-vitals": "^2.1.4"
  },
  "devDependencies": {
    "@storybook/addon-essentials": "^7.6.7",
    "@storybook/addon-interactions": "^7.6.7",
    "@storybook/addon-links": "^7.6.7",
    "@storybook/addon-onboarding": "^1.0.10",
    "@storybook/blocks": "^7.6.7",
    "@storybook/preset-create-react-app": "^7.6.7",
    "@storybook/react": "^7.6.7",
    "@storybook/react-webpack5": "^7.6.7",
    "@storybook/test": "^7.6.7",
    "eslint-plugin-storybook": "^0.6.15",
    "prop-types": "^15.8.1",
    "storybook": "^7.6.7",
    "webpack": "^5.89.0"
  }

Example code (Button component):

JavaScript

// Button.js import PropTypes from "prop-types";  function Button({ 	label, 	backgroundColor = "red", 	size = "md", 	handleClick, 	color = "white", }) { 	let scale = 1; 	if (size === "sm") scale = 0.75; 	if (size === "lg") scale = 1.5; 	const style = { 		backgroundColor, 		padding: `${scale * 0.5}rem ${scale * 1}rem`, 		border: "none", 		color, 	}; 	return ( 		<button onClick={handleClick} style={style}> 			{label} 		</button> 	); }  Button.propTypes = { 	label: PropTypes.string, 	backgroundColor: PropTypes.string, 	size: PropTypes.oneOf(["sm", "md", "lg"]), 	handleClick: PropTypes.func, };

JavaScript

//Button.stories.js  import React from "react"; import Button from "../components/Button";  export default { 	title: "Button", 	component: Button, 	// this will show in action tab 	argTypes: { handleClick: { action: "handleClick" } },  };  export const Primary = () => ( 	<Button label="Primary Button" backgroundColor="blue" /> ); export const Secondary = () => <Button label="Secondary Button" />;  // this is used for making interactive componets in storybook const Template = (args) => <Button {...args} />;  export const Red = Template.bind({});  Red.args = { 	backgroundColor: "red", 	label: "Click Me", 	size: "md", 	color: "white", };  export const Green = Template.bind({}); Green.args = { 	backgroundColor: "rebeccapurple", 	label: "Click Me", 	size: "md", 	color: "white", };  export const Small = Template.bind({}); Small.args = { 	backgroundColor: "yellow", 	label: "Click Me", 	size: "sm", };  export const Large = Template.bind({}); Large.args = { 	backgroundColor: "green", 	label: "Click Me", 	size: "lg", };  export const LongLabel = Template.bind({}); LongLabel.args = { 	backgroundColor: "pink", 	label: "Press Me adsf asd", 	size: "md", };

Steps to Run the Application:

Step 1: Use the following command to start your React application:

npm start

Step 2: Go to Storybook URL in your web browser:

 http://localhost:6006

Output:

Explanation: The "Button.stories.js" file configures Storybook for the "Button" component in react which is used to define the variations with different colors, sizes, and labels. You can create every variation using a template function, which allows you to build concise and reusable code. A functional React component that can dynamically style buttons according to their size and colour is defined in the "Button.js" file. Validation of the type is conducted using PropTypes in order to ensure proper use of prop. The efficient development, testing and documentation of the React 'Button' element in Storybook environment can be facilitated through this structure approach.

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Article Tags :

Storybook Using React

Prerequisites

Approach to use Storybook in React

Steps to Create the React App:

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