In
!x && foo(); alert(0 && new Foo());
Out
x || foo(); alert(0);
npm install babel-plugin-minify-guarded-expressions
.babelrc
(Recommended).babelrc
{ "plugins": ["minify-guarded-expressions"] }
babel --plugins minify-guarded-expressions script.js
require("babel-core").transform("code", { plugins: ["minify-guarded-expressions"] });
© 2018 Sebastian McKenzie
Licensed under the MIT License.
http://babeljs.io/docs/plugins/minify-guarded-expressions/