Does accessing NODE_ENV make sense in front end code?

Question

I have a react/node app that I\'m deploying. One of the components attempts to access NODE_ENV in order to determine which host URL to use (localhost or heroku).

I now r

Answer 1

You could check NODE_ENV in index.html by using:

if ("%NODE_ENV%" === "production") {
  // ...do production stuff
} else {
  // ...do development stuff
}

When index.html is compiled in a production environment it will look something like this

if ("production" === "production") {
  // ...do production stuff
} else {
  // ...do development stuff
}