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Getting started with React Spinner component

10 Feb 20268 minutes to read

This section explains the steps required to create a simple React Spinner component and demonstrate its basic usage in a React environment.

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Setup for local development

Easily set up a React application using create-vite-app, which provides a faster development environment, smaller bundle sizes, and optimized builds compared to traditional tools like create-react-app. For detailed steps, refer to the Vite installation instructions. Vite sets up your environment using JavaScript and optimizes your application for production.

Note: To create a React application using create-react-app, refer to this documentation for more details.

To create a new React application, run the following command.

npm create vite@latest my-app

This command will prompt you for a few settings for the new project, such as selecting a framework and a variant.

Initial_setup

To set up a React application in TypeScript environment, run the following command.

npm create vite@latest my-app -- --template react-ts
cd my-app
npm run dev

To set up a React application in JavaScript environment, run the following command.

npm create vite@latest my-app -- --template react
cd my-app
npm run dev

Adding Syncfusion® Spinner packages

All the available Essential® JS 2 packages are published in the npmjs.com public registry.
To install the Spinner component, use the following command

npm install @syncfusion/ej2-react-popups --save

The –save will instruct NPM to include the Spinner package inside of the dependencies section of the package.json.

Adding CSS reference

The following CSS files are available in the ../node_modules/@syncfusion package folder. Add these as references in src/App.css.

@import "../node_modules/@syncfusion/ej2-base/styles/tailwind3.css";
@import "../node_modules/@syncfusion/ej2-react-popups/styles/tailwind3.css";

To refer App.css in the application then import it in the src/App.tsx file.

Adding Spinner component

The React Spinner component can be added to the application by following these steps. To get started, add the Spinner component to the src/App.tsx file using the following code.

The following spinner code should be placed in the src/App.tsx file.

import { createSpinner, showSpinner } from '@syncfusion/ej2-popups';
import * as React from 'react';
import { useEffect } from "react";
import './App.css';

function App() {
  useEffect(() => {
    componentDidMount();
  });
  function componentDidMount() {
    //createSpinner() method is used to create spinner
    createSpinner({
      // Specify the target for the spinner to show
      target: document.getElementById('container'),
    });
    // showSpinner() will make the spinner visible
    showSpinner(document.getElementById('container'));
  }
  return (<div className="control-pane">
    <div id="container" className="control-section col-lg-12 spinner-target"></div>
  </div>);
}
export default App;

Run the application

Run the npm run dev command in the terminal to start the development server. This command compiles your code and serves the application locally, opening it in the browser.

npm run dev

The output appears as follows.

[Class-component]

import { createSpinner, showSpinner } from '@syncfusion/ej2-popups';
import * as React from 'react';
export default class App extends React.Component {
    componentDidMount(prevProps) {
        //createSpinner() method is used to create spinner
        createSpinner({
            // Specify the target for the spinner to show
            target: document.getElementById('container'),
        });
        // showSpinner() will make the spinner visible
        showSpinner(document.getElementById('container'));
    }
    render() {
        return (<div className="control-pane">
        <div id="container" className="control-section col-lg-12 spinner-target"></div>
      </div>);
    }
}
import { createSpinner, showSpinner, hideSpinner } from '@syncfusion/ej2-popups';
import * as React from 'react';
import * as ReactDOM from "react-dom";

export default class App extends React.Component<{}, {}> {
  componentDidMount(prevProps) {
    //createSpinner() method is used to create spinner
    createSpinner({
      // Specify the target for the spinner to show
      target: document.getElementById('container'),
    });
    // showSpinner() will make the spinner visible
    showSpinner(document.getElementById('container'));
  }
  render() {
    return (
      <div className="control-pane">
        <div id="container"
          className="control-section col-lg-12 spinner-target"
        ></div>
      </div>
    );
  }
  }

[Functional-component]

import { createSpinner, showSpinner } from '@syncfusion/ej2-popups';
import * as React from 'react';
import { useEffect } from "react";
function App() {
    useEffect(() => {
        componentDidMount();
    });
    function componentDidMount(prevProps) {
        //createSpinner() method is used to create spinner
        createSpinner({
            // Specify the target for the spinner to show
            target: document.getElementById('container'),
        });
        // showSpinner() will make the spinner visible
        showSpinner(document.getElementById('container'));
    }
    return (<div className="control-pane">
        <div id="container" className="control-section col-lg-12 spinner-target"></div>
      </div>);
}
import { createSpinner, showSpinner, hideSpinner } from '@syncfusion/ej2-popups';
import * as React from 'react';
import * as ReactDOM from "react-dom";
import { useEffect } from "react";

function App() {
  useEffect(() => {
    //createSpinner() method is used to create spinner
    createSpinner({
      // Specify the target for the spinner to show
      target: document.getElementById('container'),
    });
    // showSpinner() will make the spinner visible
    showSpinner(document.getElementById('container'));
  })
    return (
      <div className="control-pane">
        <div id="container"
          className="control-section col-lg-12 spinner-target"
        ></div>
      </div>
    );
  }
  export default App;