1. Problem
You can meet SSL certificate problem problem on Company or private nework place. The error is like under text.
$ npm install --global --production windows-build-tools
npm ERR! code UNABLE_TO_VERIFY_LEAF_SIGNATURE
npm ERR! errno UNABLE_TO_VERIFY_LEAF_SIGNATURE
npm ERR! request to https://registry.npmjs.org/windows-build-tools failed, reason: unable to verify the first certificate
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Administrator\AppData\Roaming\npm-cache\_logs\2020-09-00T04_57_24_465Z-debug.log
2. Solve
You can solve this problme using this command. I’ll hope solve your problem!
$ npm config set registry http://registry.npmjs.org/ --global