`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

If your Mac has been upgraded to macOS Catalina (10.15), you need to install the XCode Command Line Tools by running xcode-select --install. Alternatively, if you already have the full Xcode installed, you can find them under the menuXcode → Open Developer Tool → More Developer Tools.