“NODE_ENV” is not recognized as an internal or external command, operable command or batch file

Question

I\'m trying to setup an environment for a Node.js app. but I\'m getting this error every time.

\"NODE_ENV\" is not recognized as an internal or extern

Answer 1

1. npm install --save-dev "cross-env" module.
2. modify the code as cross-env NODE_ENV=development node foo.js. Then you can run the like npm run build.