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    babel-plugin-transform-undefined-to-void

    6.9.4 • Public • Published

    babel-plugin-transform-undefined-to-void

    Some JavaScript implementations allow undefined to be overwritten, this may lead to peculiar bugs that are extremely hard to track down.

    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 --save-dev

    Usage

    Via .babelrc (Recommended)

    .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"]
    });

    Keywords

    Install

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

    DownloadsWeekly Downloads

    1,212,451

    Version

    6.9.4

    License

    MIT

    Unpacked Size

    1.64 kB

    Total Files

    5

    Last publish

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