Reliably determines if the code is running in Node.js
A lightweight polyfill for Temporal, successor to the JavaScript Date object
Polyfills for various browsers including commonly used language features
Convert Oniguruma patterns to native JavaScript RegExp
MutationObserver shim for ES3 environments
Node polyfill plugin for rspack
add history to node's repl
Polyfill/ponyfill for the AbortController DOM API + optional patching of fetch (stub that calls catch, doesn't actually abort request).
A lightweight polyfill library for Promise-based WebExtension APIs in Chrome.
EasyPost Node Client Library
This is a polyfill for Buffer#indexOf introduced in NodeJS 4.0.
Polyfill/shim for util.promisify in node versions < v8
@peculiar/x509 is an easy to use TypeScript/Javascript library based on @peculiar/asn1-schema that makes generating X.509 Certificates and Certificate Requests as well as validating certificate chains easy
Polyfill crypto.randomUUID
ECMAScript 6 Symbol polyfill
Exposes a polyfill for the Node.js module diagnostics_channel
Solana Web3.js browser pre-built usable in rollup bundles.
ECMAScript6 WeakMap polyfill
A structuredClone polyfill
Provides polyfills necessary for a full ES2015+ environment
REPL for AdonisJS
A polyfill for http://www.w3.org/TR/eventsource/
REPL module for Moleculer
JavaScript code generator from an ESTree-compliant AST.