Minify guarded expressions

In

!x && foo();
alert(0 && new Foo());

Out

x || foo();
alert(0);

Installation

npm install babel-plugin-minify-guarded-expressions

Usage

Via .babelrc (Recommended)

.babelrc

{
  "plugins": ["minify-guarded-expressions"]
}

Via CLI

babel --plugins minify-guarded-expressions script.js

Via Node API

require("babel-core").transform("code", {
  plugins: ["minify-guarded-expressions"]
});