From 7b1d819d9dc7b68f60385235d0f0631bf90520d6 Mon Sep 17 00:00:00 2001
From: simlecode <69969590+simlecode@users.noreply.github.com>
Date: Thu, 14 Aug 2025 16:06:39 +0800
Subject: [PATCH 1/2] opt: only save file path

---
 utils.go | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/utils.go b/utils.go
index 91dc0dd..c5bf457 100644
--- a/utils.go
+++ b/utils.go
@@ -56,6 +56,10 @@ type SimpleFileInfo struct {
 	End   int64
 }
 
+type SimplestFileInfo struct {
+	Path string
+}
+
 // file system tree node
 type fsNode struct {
 	Name string
@@ -322,7 +326,14 @@ func buildIpldGraph(ctx context.Context,
 	// }
 	// log.Info(dirNodeMap)
 
-	fileInfo, err := json.Marshal(sfis)
+	var infos []SimplestFileInfo
+	for _, info := range sfis {
+		infos = append(infos, SimplestFileInfo{
+			Path: info.Path,
+		})
+	}
+
+	fileInfo, err := json.Marshal(infos)
 	if err != nil {
 		return nil, "", "", err
 	}

From 1fd65c8c42b7605519a1f4098b20ad350fa9d5e8 Mon Sep 17 00:00:00 2001
From: simlecode <69969590+simlecode@users.noreply.github.com>
Date: Thu, 14 Aug 2025 16:11:06 +0800
Subject: [PATCH 2/2] opt: remove repeat code

---
 utils.go | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/utils.go b/utils.go
index c5bf457..170fcdc 100644
--- a/utils.go
+++ b/utils.go
@@ -340,11 +340,7 @@ func buildIpldGraph(ctx context.Context,
 	log.Info("++++++++++++ finished to build ipld +++++++++++++")
 
 	if skipFilename {
-		type path struct {
-			Path string `json:"path"`
-		}
-
-		var list []path
+		var list []SimplestFileInfo
 		seen := make(map[string]struct{})
 		for _, f := range sfis {
 			dir := filepath.Dir(f.Path)
@@ -353,7 +349,7 @@ func buildIpldGraph(ctx context.Context,
 			}
 			if _, ok := seen[dir]; !ok {
 				seen[dir] = struct{}{}
-				list = append(list, path{Path: dir})
+				list = append(list, SimplestFileInfo{Path: dir})
 			}
 		}