node.js - webpack官方的例子（webpack --env=dev），env怎么获取不到

Answer 1

Use NODE_ENV as input parameter and process.env.NODE_ENV as parameter to obtain

Answer 2

The final result may be that it is not possible to write it according to the official method in the windows environment (? Not sure). The solution is to use cross-env to configure NODE_ENV

npm install cross-env --save-dev

scripts are as follows:

"build:dev": "cross-env NODE_ENV=dev webpack --progress --profile --colors"