NodeJS UNABLE_TO_VERIFY_LEAF_SIGNATURE

Question

We\'re trying to use Node.js (and Mocha) as a testing framework to test API calls against an internal server over https. We\'re using the following node modules: Mocha, Restify

Answer 1

sometimes, if you are using network with some proxy configurations, npm fails to verify package signature.

Try this,

npm set strict-ssl false

Taken from https://github.com/Leaflet/Leaflet/issues/2860

After that,

npm cache clean --force

It will work. I tried this.