`npm install` fails on node-gyp rebuild with `gyp: No Xcode or CLT version detected!`

Question

Every time I try npm install. I get the following error. How do I fix it?

gyp: No Xcode or CLT version detected!

I am on n

Answer 1

On macOS Catalina:

1. Uninstall "Command Line Tools for Xcode" with command sudo rm -rf $(xcode-select --print-path);
2. Download "Command Line Tools for Xcode" at More Downloads for Apple Developers, then install it.