async-watcher

github crates.io docs.rs

This is a small library that uses notify to implement a file watcher that is debounced. The debouncing helps ensure you don't get too many events on a single file leading to extra work. The original use case of this was to watch a directory and rebuild when there are changes. Without debouncing, a single file could trigger multiple rebuilds. Instead, async-watcher can be used to trigger events after a specific time threshold.

Notify takes care of all of the work, but the debouncing traits weren't async. async-watcher leverages async-trait to provide an async interface for creating watchers.

See the examples for usage.