Refactor template

@@ -51,19 +51,13 @@ func (self *templatefile) visit(paths string, f os.FileInfo, err error) error {
 	if f == nil {
 		return err
 	}
-	if f.IsDir() {
+	if f.IsDir() || (f.Mode()&os.ModeSymlink) > 0 {
 		return nil
-	} else if (f.Mode() & os.ModeSymlink) > 0 {
-		return nil
-	} else {
-		hasExt := false
-		for _, v := range BeeTemplateExt {
-			if strings.HasSuffix(paths, v) {
-				hasExt = true
-				break
 	}
+	if !HasTemplateEXt(paths) {
+		return nil
 	}
-		if hasExt {
+
 	replace := strings.NewReplacer("\\", "/")
 	a := []byte(paths)
 	a = a[len([]byte(self.root)):]
@@ -76,9 +70,16 @@ func (self *templatefile) visit(paths string, f os.FileInfo, err error) error {
 		self.files[subdir] = m
 	}
 
+	return nil
+}
+
+func HasTemplateEXt(paths string) bool {
+	for _, v := range BeeTemplateExt {
+		if strings.HasSuffix(paths, "."+v) {
+			return true
 		}
 	}
-	return nil
+	return false
 }
 
 func AddTemplateExt(ext string) {