Babel Integration

Core-JS is integrated with babel and is the base for polyfilling-related babel features:

@babel/polyfill

@babel/polyfill IS just the import of stable Core-JS features and regenerator-runtime for generators and async functions, so if you load @babel/polyfill - you load the global version of Core-JS without ES proposals.

SWC Integration

Fast JavaScript transpiler swc contains integration with Core-JS, that optimizes work with the global version of Core-JS. Like @babel/preset-env, it has 2 modes: usage and entry, but usage mode still works not so good like in babel. Example of configuration in .swcrc:

Quick Start