portfinder‑sync is a tiny Node.js utility that scans a range of TCP ports and returns the first free one, doing the lookup synchronously so it can be used in scripts or startup code that can’t rely on callbacks or promises. It’s aimed at developers who need a simple, blocking way to reserve an open port (e.g., for test servers, debugging, or tooling) without pulling in larger asynchronous libraries.
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A simple tool to find an open port on the current machine
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