fix watchlist was empty

import.go

@@ -132,7 +132,6 @@ func (s *Settings[C]) importFiles() {
 		s.importStream(reader{f.format, r})
 
 		r.Close()
-
 	}
 
 }

watch.go

@@ -62,9 +62,30 @@ func (s *Settings[C]) StopWatching() *Settings[C] {
 	return s
 }
 
+func (s *Settings[C]) buildWatchList() *Settings[C] {
+
+	s.fileWatch.Lock()
+	defer s.fileWatch.Unlock()
+
+	s.fileWatch.watchList = make(map[string]bool)
+
+	for _, d := range s.files.directories {
+		fn := path.Join(d, s.files.name+s.files.format.Extension())
+		s.fileWatch.watchList[fn] = true
+	}
+
+	for _, f := range s.files.files {
+		s.fileWatch.watchList[f.path] = true
+	}
+
+	return s
+}
+
 // Watch the given file for changes
 func (s *Settings[C]) Watch() *Settings[C] {
 
+	s.buildWatchList()
+
 	s.fileWatch.Lock()
 	defer s.fileWatch.Unlock()