Inline the NODE_ENV environment variable and if it's a part of a binary expression
(eg. process.env.NODE_ENV === "development"
) then statically evaluate and replace it.
In
process.env.NODE_ENV === "development"; process.env.NODE_ENV === "production";
Out
NODE_ENV=development babel in.js --plugins transform-node-env-inline
true; false;
npm install babel-plugin-transform-node-env-inline
.babelrc
(Recommended).babelrc
{ "plugins": ["transform-node-env-inline"] }
babel --plugins transform-node-env-inline script.js
require("babel-core").transform("code", { plugins: ["transform-node-env-inline"] });
© 2018 Sebastian McKenzie
Licensed under the MIT License.
http://babeljs.io/docs/plugins/transform-node-env-inline/