Native Promise Only: A polyfill for native ES6 Promises **only**, nothing else.
Spec-compliant FormData implementation for Node.js
EventSource polyfill for browser and node.js
requestVideoFrameCallback polyfill
Polyfills for various browsers including commonly used language features
Polyfill for Temporal (https://github.com/tc39/proposal-temporal), an ECMA TC39 Stage 3 proposal
The Babel preset for Expo projects
better fetch for Node.js. Works on any JavaScript runtime!
A lightweight polyfill for Temporal, successor to the JavaScript Date object
A browser polyfill for W3C EventSource (http://www.w3.org/TR/eventsource/)
W3C compliant EventSource client for Node.js and browser (polyfill)
Node polyfill plugin for rspack
Polyfill/ponyfill for the AbortController DOM API + optional patching of fetch (stub that calls catch, doesn't actually abort request).
CSSOM-valid and jsdom/Jest-compatible matchMedia polyfill for server-side unit tests
A lightweight polyfill library for Promise-based WebExtension APIs in Chrome.
Polyfill/shim for util.promisify in node versions < v8
This is a polyfill for Buffer#indexOf introduced in NodeJS 4.0.
EasyPost Node Client Library
@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
[](https://www.npmjs.com/package/@aws-sdk/util-locate-window) [](https://www.npmjs.com/packag
Polyfill crypto.randomUUID
ECMAScript 6 Symbol polyfill
Exposes a polyfill for the Node.js module diagnostics_channel
ECMAScript6 WeakMap polyfill