React Js Compress Decompress string

<!DOCTYPE html>
<html>

<body>
    <div id="app"></div>
    <script type="text/babel" data-presets="env,react">
        const { useState, useEffect, useRef } = React;

function App() {
            const [inputString, setInputString] = useState("aabbcc");
            const [compressedString, setCompressedString] = useState("");

return (
                <div class='container'>
                    <h2>React Js Compress string</h2>
                    <input
                        type="text"
                        value={inputString}
                        onChange={(e) => setInputString(e.target.value)}
                        placeholder="Enter a string"
                    />
                    <button onClick={compressString}>Compress</button>
                    <p>Original String: {inputString}</p>
                    {compressedString ? (
                        <p>Compressed String: {compressedString}</p>
                    ) : (
                        <p>No compressed string available.</p>
                    )}
                </div>
            );
        }

ReactDOM.render(<App />, document.getElementById("app"));
    </script>
    <style>
        .container {
            text-align: center;
            margin-top: 50px;
        }

h2 {
            color: #333;
            margin-bottom: 20px;
        }

input[type="text"] {
            padding: 10px;
            width: 200px;
            margin-bottom: 10px;
            border: 1px solid #ccc;
            border-radius: 4px;
        }

button {
            padding: 10px 20px;
            background-color: #333;
            color: #fff;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

button:hover {
            background-color: #555;
        }

p {
            margin-top: 10px;
            font-size: 16px;
            color: #333;
        }
    </style>

</body>

</html>