The module debug is used by millions of other packages to handle log messages. It turns out Node.js has this functionality also built-in and can display message depending on NODE_DEBUG.
Topic: NodeJS – Page 5
Using process.stdout.isTTY you can tailor your Node.js script output to the environment it will go to.
Reference values defined inside of the package.json in your npm scripts to avoid duplication.
The NPM_CONFIG_PRODUCTION flag will lead to changed behavior of
npm installbut also set the NODE_ENV environment variable to production.Today I discovered that you can pipe scripts into the Node.js binary