From 3b737db0351b9e3966ae7e92f044928b1371cf16 Mon Sep 17 00:00:00 2001
From: mzz2017 <2017@duck.com>
Date: Tue, 20 Jun 2023 22:51:31 +0800
Subject: [PATCH] feat(config): support IgnoreZero option for config.Marhsaller

---
 config/marshal.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/config/marshal.go b/config/marshal.go
index 914f2afe58..ab1faf9ece 100644
--- a/config/marshal.go
+++ b/config/marshal.go
@@ -38,6 +38,7 @@ func (c *Config) Marshal(indentSpace int) (b []byte, err error) {
 
 type Marshaller struct {
 	IndentSpace int
+	IgnoreZero  bool
 	buf         bytes.Buffer
 }
 
@@ -138,7 +139,7 @@ unsupported:
 }
 
 func (m *Marshaller) marshalLeaf(key string, from reflect.Value, depth int) (err error) {
-	if from.IsZero() {
+	if m.IgnoreZero && from.IsZero() {
 		// Do not marshal zero value.
 		return nil
 	}