fix: fix deadlock

Author: markthree

fs.go

@@ -5,8 +5,16 @@ import (
 	"path"
 )
 
+func IsExist(f string) bool {
+	_, err := os.Stat(f)
+	return err == nil || os.IsExist(err)
+}
+
 func IsDir(f string) bool {
-	s, _ := os.Stat(f)
+	s, err := os.Stat(f)
+	if err != nil {
+		return false
+	}
 	return s.IsDir()
 }
 
@@ -18,34 +26,42 @@ func RemoveAll(f string) error {
 
 	entrysLen := len(entrys)
 
-	chs := make(chan struct{}, entrysLen)
+	signal := struct{}{}
 	errChan := make(chan error)
+	chs := make(chan struct{}, entrysLen)
 
-	for _, entry := range entrys {
+	for i := 0; i < entrysLen; i++ {
 		go func(entry os.DirEntry) {
 			p := path.Join(f, entry.Name())
-			if entry.IsDir() {
-				err := RemoveAll(p)
+			if !entry.IsDir() {
+				err := os.Remove(p)
 				if err != nil {
 					errChan <- err
+					return
 				}
+				chs <- signal
 				return
 			}
-			err := os.Remove(p)
+			err := RemoveAll(p)
 			if err != nil {
 				errChan <- err
 				return
 			}
-			chs <- struct{}{}
-		}(entry)
+			chs <- signal
+		}(entrys[i])
 	}
 
 	for i := 0; i < entrysLen; i++ {
 		select {
+		case <-chs:
+			continue
 		case nestedErr := <-errChan:
 			return nestedErr
-		case <-chs:
 		}
 	}
+	rootErr := os.Remove(f)
+	if rootErr != nil {
+		return rootErr
+	}
 	return nil
 }

main.go

@@ -27,7 +27,7 @@ func main() {
 	cache_dirs := []string{".nuxt", "cache", ".cache", "@cache", "temp", ".temp", "@temp"}
 
 	for _, v := range cache_dirs {
-		if !IsDir(v) {
+		if !IsExist(v) || !IsDir(v) {
 			continue
 		}
 		err := RemoveAll(v)