undefinedWatch files and directories for changes. When a file changes, the page will be reloaded.
If both dev.hmr and dev.liveReload are set to false, watchFiles will be ignored.
When files in WatchFiles change, reloading and recompilation of the configuration file will not be triggered.
You can configure a list of globs/directories/files to watch for file changes.
You can also specify chokidar watcher options by passing an object with paths and options properties.