Packages @jridgewell/trace-mapping and @jridgewell/gen-mapping into the familiar source-map API

CLI tool to update caniuse-lite to refresh target browsers from Browserslist config

Give me a string and I'll tell you if it's a valid npm package license string

ECMAScript parser

Lexes ES modules returning their import/export metadata

A small polyfill for Object.setprototypeof

extend like a boss

Check if a file path is a binary file

A JavaScript parser

Webpack loader that adjusts source maps

PostCSS plugin for CSS Modules to pass arbitrary values between your module files

Babel compiler core.

YAML 1.2 parser and serializer

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

Run a function exactly one time

A utility package to parse strings

JavaScript parser and stringifier for YAML

Validate plugin/preset options

A collection of JavaScript globals for Babel internal usage

Helper functions on Babel compilation targets