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MarkEWaiteMarkEWaite
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Update with latest versions
I recreated the sample application based on instructions from https://create-react-app.dev/docs/getting-started/ as had been done previously in this tutorial repository. That updates the application and should replace the pull requests: * jenkins-docs#100 * jenkins-docs#138 * jenkins-docs#140 * jenkins-docs#141 * jenkins-docs#142 * jenkins-docs#143 * jenkins-docs#144 * jenkins-docs#146 * jenkins-docs#147 * jenkins-docs#150 https://react.dev/blog/2025/02/14/sunsetting-create-react-app announces that as of Feb 2025, Create React App is deprecated for new apps. Existing apps are recommended to migrate to a framework or to a build tool like Vite. https://react.dev/learn/creating-a-react-app#react-router-v7 notes that React Router is the most popular routing library for React and can be paired with Vite to create a full-stack React framework. Since we're using Vite for the new documentation site, it is probably best to use React Router and Vite when we replace the sample application in this repository. Testing done: * Ran the application with `npm start` and confirmed that it rendered as expected on port 3000 * Ran the `jenkins/scripts/test.sh` script and confirmed that tests pass * Ran the `jenkins/scripts/deliver.sh` script and confirm that the site built and rendered as expected on port 3000
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‎package-lock.json

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‎package.json

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"version": "0.1.0",
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"private": true,
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"dependencies": {
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"react": "^18.2.0",
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"react-dom": "^18.2.0",
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"react-scripts": "^5.0.1"
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"@testing-library/dom": "^10.4.0",
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"@testing-library/jest-dom": "^6.6.3",
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"@testing-library/react": "^16.3.0",
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"@testing-library/user-event": "^13.5.0",
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"react": "^19.1.0",
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"react-dom": "^19.1.0",
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"react-scripts": "5.0.1",
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"web-vitals": "^2.1.4"
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},
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"scripts": {
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"start": "react-scripts start",
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"build": "react-scripts build",
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"test": "react-scripts test --env=jsdom",
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"test": "react-scripts test",
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"eject": "react-scripts eject"
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},
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"eslintConfig": {
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"extends": [
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"react-app",
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"react-app/jest"
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]
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},
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"browserslist": {
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"production": [
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">0.2%",

‎public/index.html

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<!doctype html>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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<meta name="theme-color" content="#000000">
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<meta charset="utf-8" />
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<link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta name="theme-color" content="#000000" />
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<meta
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name="description"
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content="Web site created using create-react-app"
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/>
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<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
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<!--
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manifest.json provides metadata used when your web app is added to the
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homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/
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manifest.json provides metadata used when your web app is installed on a
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user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
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-->
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<link rel="manifest" href="%PUBLIC_URL%/manifest.json">
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<link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico">
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<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
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<!--
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Notice the use of %PUBLIC_URL% in the tags above.
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It will be replaced with the URL of the `public` folder during the build.
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<title>React App</title>
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</head>
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<body>
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<noscript>
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You need to enable JavaScript to run this app.
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</noscript>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<div id="root"></div>
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<!--
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This HTML file is a template.

‎public/logo192.png

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‎public/logo512.png

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‎public/manifest.json

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"icons": [
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{
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"src": "favicon.ico",
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"sizes": "192x192",
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"type": "image/png"
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"sizes": "64x64 32x32 24x24 16x16",
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"type": "image/x-icon"
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},
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{
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"src": "logo192.png",
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"type": "image/png",
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"sizes": "192x192"
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},
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{
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"src": "logo512.png",
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"type": "image/png",
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"sizes": "512x512"
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}
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],
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"start_url": "./index.html",
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"start_url": ".",
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"display": "standalone",
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"theme_color": "#000000",
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"background_color": "#ffffff"

‎public/robots.txt

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# https://www.robotstxt.org/robotstxt.html
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User-agent: *
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Disallow:

‎src/App.css

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}
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.App-logo {
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animation: App-logo-spin infinite 20s linear;
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height: 80px;
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height: 40vmin;
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pointer-events: none;
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}
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.App-header {
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background-color: #222;
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height: 150px;
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padding: 20px;
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color: white;
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@media (prefers-reduced-motion: no-preference) {
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.App-logo {
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animation: App-logo-spin infinite 20s linear;
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}
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}
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.App-title {
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font-size: 1.5em;
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.App-header {
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background-color: #282c34;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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font-size: calc(10px + 2vmin);
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color: white;
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}
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.App-intro {
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font-size: large;
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.App-link {
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color: #61dafb;
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}
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@keyframes App-logo-spin {
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from { transform: rotate(0deg); }
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to { transform: rotate(360deg); }
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from {
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transform: rotate(0deg);
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}
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to {
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transform: rotate(360deg);
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}
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}

‎src/App.js

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import React, { Component } from 'react';
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import logo from './logo.svg';
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import './App.css';
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class App extends Component {
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render() {
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return (
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<div className="App">
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<header className="App-header">
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<img src={logo} className="App-logo" alt="logo" />
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<h1 className="App-title">Welcome to React</h1>
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</header>
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<p className="App-intro">
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To get started, edit <code>src/App.js</code> and save to reload.
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function App() {
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return (
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<div className="App">
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<header className="App-header">
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<img src={logo} className="App-logo" alt="logo" />
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<p>
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Edit <code>src/App.js</code> and save to reload.
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</p>
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</div>
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);
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}
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<a
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className="App-link"
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href="https://reactjs.org"
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target="_blank"
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rel="noopener noreferrer"
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>
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Learn React
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</a>
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</header>
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</div>
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);
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}
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export default App;

‎src/App.test.js

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import React, {StrictMode} from 'react';
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import ReactDOM from 'react-dom';
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import { render, screen } from '@testing-library/react';
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import App from './App';
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it('renders without crashing', () => {
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const div = document.createElement('div');
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ReactDOM.createRoot(div).render(
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<StrictMode>
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<App />
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</StrictMode>
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);
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test('renders learn react link', () => {
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render(<App />);
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const linkElement = screen.getByText(/learn react/i);
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expect(linkElement).toBeInTheDocument();
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});

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