babel-plugin-transform-undefined-to-void
Advanced tools
Replace references to `undefined` with `void 0`
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.
In
foo === undefined;
Out
foo === void 0;
npm install babel-plugin-transform-undefined-to-void --save-dev
.babelrc (Recommended).babelrc
{
"plugins": ["transform-undefined-to-void"]
}
babel --plugins transform-undefined-to-void script.js
require("@babel/core").transform("code", {
plugins: ["transform-undefined-to-void"]
});
FAQs
Replace references to `undefined` with `void 0`
The npm package babel-plugin-transform-undefined-to-void receives a total of 361,273 weekly downloads. As such, babel-plugin-transform-undefined-to-void popularity was classified as popular.
We found that babel-plugin-transform-undefined-to-void demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
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