W3cubDocs

/Babel

Undefined to void transform

This plugin transforms undefined into void 0 which returns undefined regardless of if it's been reassigned

This plugin transforms undefined into void 0 which returns undefined regardless of if it’s been reassigned.

Example

In

foo === undefined;

Out

foo === void 0;

Installation

npm install babel-plugin-transform-undefined-to-void

Usage

.babelrc

{
  "plugins": ["transform-undefined-to-void"]
}

Via CLI

babel --plugins transform-undefined-to-void script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["transform-undefined-to-void"]
});

© 2018 Sebastian McKenzie
Licensed under the MIT License.
http://babeljs.io/docs/plugins/transform-undefined-to-void/