NVM and NPM

NPM

Install exact packages & versions from package.json and package-log.json cleanly:

$ npm ci

Just note that npm ci deletes node_modules before starting. But it’s fast!

Back-level your npm:

$ which npm

to make sure you’re running npm from an nvm version, then:

$ npm install -g npm@5.10.0
$ npm version
...

Make npm install less noisy:

npm config set loglevel warn

or add this to ~/.npmrc:

loglevel=warn

source.

NVM

Use another node version:

$ nvm use 8
$ nvm use 10

etc.