Watchman exists to watch files and record when they actually change. It can also trigger actions (such as rebuilding assets) when matching files change.
Head on over to https://facebook.github.io/watchman/
Watchman is made available under the terms of the MIT License. See the LICENSE file that accompanies this distribution for the full text of the license.
Watchman is primarily maintained by the source control team at Meta Platforms, Inc. We support:
Support for additional operating systems, release packaging, and language bindings is community-maintained:
Please submit a GitHub issue to report any troubles.
Please see the contributing document.