This is the package which powers, it contains all the polyfills and the logic for creating a bundle of polyfills tailored to individual user-agents/browsers.

See polyfill-library on npm.


An alternative to core-js for nodeJS environments. Loads all ECMAScript-262 (excluding annex-B) polyfills into nodeJS.

You should use this if you are wanting to use the latest stable features of JavaScript but the version of nodeJS you are using does not have those features.

See polyfill-library-node on npm.


A Node.js command-line application for analysing your JavaScript file and generating a URL based on all the features that are being used from within the JavaScript file.

See create-polyfill-service-url on npm.