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FSWatcher.ref - fs - Node documentation
method FSWatcher.ref

Usage in Deno

import { type FSWatcher } from "node:fs";
FSWatcher.ref(): this

When called, requests that the Node.js event loop not exit so long as the fs.FSWatcher is active. Calling watcher.ref() multiple times will have no effect.

By default, all fs.FSWatcher objects are "ref'ed", making it normally unnecessary to call watcher.ref() unless watcher.unref() had been called previously.

Return Type

this