fb-watchman is a filesystem watcher that uses the
Watchman file watching service from
Watchman provides file change notification services using very efficient recursive watches and also allows more advanced change matching and filesystem tree querying operations using a powerful expression syntax.
You should install Watchman to make the most of this module.
$ npm install fb-watchman
watch-projectcommand prior to subscribing to changes
watch-projectconsolidates and re-uses existing watches relative to a project root (the location of your
.watchmanconfigor source control repository root)