title: Built-in snippet not working in VS Code for React
body: <p>I am coding a React page with VS Code.</p>
  <p>Suddenly, some snippets like <code>rfce</code> started not working even if it's never given me problems. I don't know what's wrong.</p>
  <p><strong>picture of before</strong></p>
  <p><a href="https://i.stack.imgur.com/oq2Jv.png" rel="noreferrer"><img src="https://i.stack.imgur.com/oq2Jv.png" alt="enter image description here" /></a></p>
  <p><strong>picture of now</strong></p>
  <p><a href="https://i.stack.imgur.com/RD2np.png" rel="noreferrer"><img src="https://i.stack.imgur.com/RD2np.png" alt="enter image description here" /></a></p>
  <p>What I did recently was just updated <code>react-router-dom</code> to version 5.2.0 and <code>npm install</code> it.</p>