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ReactJS Evergreen Portal Component

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  • Last Updated : 11 Jun, 2021
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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

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