babel-plugin-polyfill-corejs2

Babel plugin that automatically injects imports for core-js@2 polyfills based on language features used in the code. Current stable version is 0.4.17, released as part of the Babel polyfills project. Unlike manual core-js imports or @babel/polyfill, this plugin offers fine-grained control via methods like 'usage-global' (per-file polyfill injection into global scope), 'usage-pure' (pure expressions without side effects), and 'entry-global' (replaces core-js import entries). Requires @babel/core peer dependency. Development is focused on core-js@2 compatibility; for core-js@3 use babel-plugin-polyfill-corejs3.