ackage&#39;s <code>package.json</code>
file. <code>npm shrinkwrap</code> will fail if required dependencies are not
already installed, since that would result in a shrinkwrap that
wouldn&#39;t actually work. Similarly, the command will fail if there are
extraneous packages (not referenced by <code>package.json</code>), since that would
indicate that <code>package.json</code> is not correct.</p>
<p>Since <code>npm shrinkwrap</code> is intended to lock down your dependencies for
production use, <code>devDepen