Unable to designate NODE_ENV as production by utilizing npm and webpack

I'm encountering an issue while trying to access process.env.NODE_ENV within my application. Whenever I check it, I only receive the error message process is not defined.

package.json:

"scripts": {
    "dev": "node ./node_modules/webpack/bin/webpack.js",
    "prod": "NODE_ENV=production node ./node_modules/webpack/bin/webpack.js -p"
},

webpack.config.js:

const NODE_ENV = process.env.NODE_ENV ? process.env.NODE_ENV.toLowerCase() : 'development';

and below :

plugins: [
  new webpack.DefinePlugin({
    'process.env': {
      'NODE_ENV': JSON.stringify(NODE_ENV),
      'URL_DEV': JSON.stringify("specificIP"),
      'URL_PROD': JSON.stringify("OtherIP")
    }
  })
]

Within the source code of the app:

switch (process.env.NODE_ENV) {
  case 'development':
    url = process.env.URL_DEV;
    break;
  case 'production':
    url = process.env.URL_PROD;
    break;
  default:
    url = process.env.URL_DEV;
}

Despite implementing these changes, I am still facing the issue with process being undefined. Can anyone point out what mistake I might be making in this setup?

Answer №1

It appears that the issue may have stemmed from the scripts section in my package.json file, as now the NODE_ENV is correctly configured when using the following:

"scripts": {
  "dev": "cross-env NODE_ENV=development node ./node_modules/webpack/bin/webpack.js --progress --colors --bail",
  "prod": "cross-env NODE_ENV=production webpack -p --progress --colors --bail"
}

I ended up utilizing cross-env and surprisingly, it resolved the issue. If you find yourself running out of solutions like I did, it might be worth giving this a try.

Answer №2

When NODE_ENV is passed as shown, a trailing space is included.

"compile": "NODE_ENV=development node ./node_modules/webpack/bin/webpack.js -w",

To avoid this, trim the value beforehand:

process.env.NODE_ENV.trim()

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