title: I deleted a package folder under node_modules by mistake
body: <p>I deleted a folder under <strong>node_modules</strong> by mistake, should I run <strong>npm install</strong> in the project root to recover the deleted files without deleting the entire <strong>node_modules</strong> folder or should i delete the <strong>node_modules</strong> first and then run <strong>npm i</strong>?</p>
  
  <p>If I run <strong>npm install</strong> without deleting the <strong>node_modules</strong> folder; will <strong>npm install</strong> only add the missing package files under the <strong>node_modules</strong>?</p>