ReactJS Evergreen Portal Component

React Evergreen is a popular front-end library with a set of React components for building beautiful products as this library is flexible, sensible defaults, and User friendly. Portal Component provides a way for the user to render outside the current DOM tree. It is a simple utility component that helps with the ReactDOM.createPortal. We can use the following approach in ReactJS to use the Evergreen Portal Component.

Portal Props:

• children: It is used to denote the children for this component.

Creating React Application And Installing Module:

• Step 1: Create a React application using the following command:

  
  
  

  npx create-react-app foldername

• Step 2: After creating your project folder i.e. foldername, move to it using the following command:

  cd foldername

• Step 3: After creating the ReactJS application, Install the required module using the following command:

  npm install evergreen-ui

Project Structure: It will look like the following.

Project Structure

Example: Now write down the following code in the App.js file. Here, App is our default component where we have written our code.

App.js

import React from 'react'
import { Portal, Pane } from 'evergreen-ui'

export default function App() {

  return (
    <div style={{
      display: 'block', width: 700, paddingLeft: 30
    }}>
      <h4>ReactJS Evergreen Portal Component</h4>
      <Portal>
        <Pane
          position="fixed"
          background="green"
          padding={20}
          right={0}
          bottom={0}
        >Sample Portal Text!
        </Pane>
      </Portal>
    </div>
  );
}

Step to Run Application: Run the application using the following command from the root directory of the project:

npm start

Output: Now open your browser and go to http://localhost:3000/, you will see the following output:

Reference: https://evergreen.segment.com/components/portal