getify/native-promise-only

**Summary:** The *getify/native-promise-only* package is a minimal polyfill that adds ES6‑compliant Promise support (without extensions) to environments that lack native promises, closely following the Promises/A+ spec. It’s intended for developers who need a standards‑strict Promise implementation—such as library authors or cross‑platform code—that must work reliably across browsers and Node.js versions lacking built‑in Promise support.