Import frontend skeleton.
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								frontend/src/App.css
									
										
									
									
									
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								frontend/src/App.css
									
										
									
									
									
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| #root { | ||||
|   max-width: 1280px; | ||||
|   margin: 0 auto; | ||||
|   padding: 2rem; | ||||
|   text-align: center; | ||||
| } | ||||
| 
 | ||||
| .logo { | ||||
|   height: 6em; | ||||
|   padding: 1.5em; | ||||
|   will-change: filter; | ||||
|   transition: filter 300ms; | ||||
| } | ||||
| .logo:hover { | ||||
|   filter: drop-shadow(0 0 2em #646cffaa); | ||||
| } | ||||
| .logo.react:hover { | ||||
|   filter: drop-shadow(0 0 2em #61dafbaa); | ||||
| } | ||||
| 
 | ||||
| @keyframes logo-spin { | ||||
|   from { | ||||
|     transform: rotate(0deg); | ||||
|   } | ||||
|   to { | ||||
|     transform: rotate(360deg); | ||||
|   } | ||||
| } | ||||
| 
 | ||||
| @media (prefers-reduced-motion: no-preference) { | ||||
|   a:nth-of-type(2) .logo { | ||||
|     animation: logo-spin infinite 20s linear; | ||||
|   } | ||||
| } | ||||
| 
 | ||||
| .card { | ||||
|   padding: 2em; | ||||
| } | ||||
| 
 | ||||
| .read-the-docs { | ||||
|   color: #888; | ||||
| } | ||||
							
								
								
									
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								frontend/src/App.jsx
									
										
									
									
									
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								frontend/src/App.jsx
									
										
									
									
									
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| import { useState } from 'react'; | ||||
| import BarcodeScannerComponent from 'react-qr-barcode-scanner'; | ||||
| import toast, { Toaster } from 'react-hot-toast'; | ||||
| 
 | ||||
| // Styles | ||||
| import './App.css'; | ||||
| 
 | ||||
| function App() { | ||||
|   // State to store the latest scanned data | ||||
|   const [currentData, setCurrentData] = useState('No result'); | ||||
| 
 | ||||
|   // State to store an array of scanned results for history tracking | ||||
|   const [scanHistory, setScanHistory] = useState([]); | ||||
| 
 | ||||
|   // Initialize audio for the beep sound effect | ||||
|   const beepSound = new Audio('/beep.mp3'); | ||||
| 
 | ||||
|   /** | ||||
|    * Handles the scanning result. | ||||
|    * @param {Error} err - Error, if any, from the scanner. | ||||
|    * @param {Object} result - The scanning result object. | ||||
|    */ | ||||
|   const handleScan = (err, result) => { | ||||
|     if (result) { | ||||
|       // Update current data and add it to the scan history | ||||
|       setCurrentData(result.text); | ||||
|       setScanHistory(prevHistory => [...prevHistory, result.text]); | ||||
| 
 | ||||
|       // Play the beep sound for successful scan feedback | ||||
|       beepSound.play(); | ||||
| 
 | ||||
|       // Show a success notification using toast | ||||
|       toast.success(`Product scanned: ${result.text}`); | ||||
|     } else { | ||||
|       setCurrentData('No result'); // Set message if no result | ||||
|     } | ||||
|   }; | ||||
| 
 | ||||
|     return ( | ||||
| 	<div className="box"> | ||||
| 	    {/* Notification toaster for displaying scan success messages */} | ||||
| 	    <Toaster position="top-right" reverseOrder={false} /> | ||||
| 
 | ||||
| 	    {/* Scanner title */} | ||||
| 	    <div className="title">Scanner</div> | ||||
| 
 | ||||
| 	    {/* Barcode scanner component */} | ||||
| 	    <div className="scan"> | ||||
| 		<BarcodeScannerComponent | ||||
| 		    width={500} | ||||
| 		    height={500} | ||||
| 		    onUpdate={handleScan} | ||||
| 		    delay={1500} // 1.5 seconds delay between scans | ||||
| 		/> | ||||
| 	    </div> | ||||
| 
 | ||||
| 	    {/* Display the current scanned data */} | ||||
| 	    <p>Scanned Data: {currentData}</p> | ||||
| 
 | ||||
| 	    {/* Table to display scan history */} | ||||
| 	    <h2>Scan History</h2> | ||||
| 	    <table> | ||||
| 		<thead> | ||||
| 		    <tr> | ||||
| 			<th>#</th> | ||||
| 			<th>Scanned Result</th> | ||||
| 		    </tr> | ||||
| 		</thead> | ||||
| 		<tbody> | ||||
| 		    {scanHistory.map((result, index) => ( | ||||
| 			<tr key={index}> | ||||
| 			    <td>{index + 1}</td> | ||||
| 			    <td>{result}</td> | ||||
| 			</tr> | ||||
| 		    ))} | ||||
| 		</tbody> | ||||
| 	    </table> | ||||
| 	</div> | ||||
| 		); | ||||
|     } | ||||
| 
 | ||||
|     export default App; | ||||
							
								
								
									
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								frontend/src/assets/react.svg
									
										
									
									
									
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								frontend/src/assets/react.svg
									
										
									
									
									
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								frontend/src/index.css
									
										
									
									
									
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								frontend/src/index.css
									
										
									
									
									
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| :root { | ||||
|   font-family: system-ui, Avenir, Helvetica, Arial, sans-serif; | ||||
|   line-height: 1.5; | ||||
|   font-weight: 400; | ||||
| 
 | ||||
|   color-scheme: light dark; | ||||
|   color: rgba(255, 255, 255, 0.87); | ||||
|   background-color: #242424; | ||||
| 
 | ||||
|   font-synthesis: none; | ||||
|   text-rendering: optimizeLegibility; | ||||
|   -webkit-font-smoothing: antialiased; | ||||
|   -moz-osx-font-smoothing: grayscale; | ||||
| } | ||||
| 
 | ||||
| a { | ||||
|   font-weight: 500; | ||||
|   color: #646cff; | ||||
|   text-decoration: inherit; | ||||
| } | ||||
| a:hover { | ||||
|   color: #535bf2; | ||||
| } | ||||
| 
 | ||||
| body { | ||||
|   margin: 0; | ||||
|   display: flex; | ||||
|   place-items: center; | ||||
|   min-width: 320px; | ||||
|   min-height: 100vh; | ||||
| } | ||||
| 
 | ||||
| h1 { | ||||
|   font-size: 3.2em; | ||||
|   line-height: 1.1; | ||||
| } | ||||
| 
 | ||||
| button { | ||||
|   border-radius: 8px; | ||||
|   border: 1px solid transparent; | ||||
|   padding: 0.6em 1.2em; | ||||
|   font-size: 1em; | ||||
|   font-weight: 500; | ||||
|   font-family: inherit; | ||||
|   background-color: #1a1a1a; | ||||
|   cursor: pointer; | ||||
|   transition: border-color 0.25s; | ||||
| } | ||||
| button:hover { | ||||
|   border-color: #646cff; | ||||
| } | ||||
| button:focus, | ||||
| button:focus-visible { | ||||
|   outline: 4px auto -webkit-focus-ring-color; | ||||
| } | ||||
| 
 | ||||
| @media (prefers-color-scheme: light) { | ||||
|   :root { | ||||
|     color: #213547; | ||||
|     background-color: #ffffff; | ||||
|   } | ||||
|   a:hover { | ||||
|     color: #747bff; | ||||
|   } | ||||
|   button { | ||||
|     background-color: #f9f9f9; | ||||
|   } | ||||
| } | ||||
							
								
								
									
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								frontend/src/main.jsx
									
										
									
									
									
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								frontend/src/main.jsx
									
										
									
									
									
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| import { StrictMode } from 'react' | ||||
| import { createRoot } from 'react-dom/client' | ||||
| import './index.css' | ||||
| import App from './App.jsx' | ||||
| 
 | ||||
| createRoot(document.getElementById('root')).render( | ||||
|   <StrictMode> | ||||
|     <App /> | ||||
|   </StrictMode>, | ||||
| ) | ||||
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