babel/packages/babel-plugin-transform-node-env-inline
2016-02-06 19:06:41 -05:00
..
2015-10-29 17:51:24 +00:00
2015-09-15 06:12:46 +01:00
2016-02-06 19:06:41 -05:00
2015-09-15 06:12:46 +01:00

babel-plugin-transform-node-env-inline

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.

Example

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;

Installation

$ npm install babel-plugin-transform-node-env-inline

Usage

.babelrc

{
  "plugins": ["transform-node-env-inline"]
}

Via CLI

$ babel --plugins transform-node-env-inline script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["transform-node-env-inline"]
});