Deno.FsWatcher
FsWatcher is returned by Deno.watchFs function when you start watching
the file system. You can iterate over this interface to get the file
system events, and also you can stop watching the file system by calling
.close() method.
interface FsWatcher extends AsyncIterable<FsEvent> {
readonly rid: number;
[[Symbol.asyncIterator]](): AsyncIterableIterator<FsEvent>;
close(): void;
return?(value?: any): Promise<IteratorResult<FsEvent>>;
}