解决watcher定义冲突

watch_wasm.go

@@ -8,23 +8,23 @@ import (
 	"github.com/fsnotify/fsnotify"
 )
 
-type watcher struct {
+type wwatcher struct {
 	Events chan fsnotify.Event
 	Errors chan error
 }
 
-func (*watcher) Close() error {
+func (*wwatcher) Close() error {
 	return nil
 }
 
-func (*watcher) Add(name string) error {
+func (*wwatcher) Add(name string) error {
 	return nil
 }
 
-func (*watcher) Remove(name string) error {
+func (*wwatcher) Remove(name string) error {
 	return nil
 }
 
-func newWatcher() (*watcher, error) {
+func newWatcher() (*wwatcher, error) {
 	return &watcher{}, errors.New("fsnotify is not supported on WASM")
 }