From 1cbb74b1b6fe9f7c6c373ace817ab6b1e84eee94 Mon Sep 17 00:00:00 2001
From: Chenlei Hu <chenlei.hu@mail.utoronto.ca>
Date: Sat, 17 Aug 2024 23:03:11 -0400
Subject: [PATCH] Make node id serialization optional (#76)

---
 public/litegraph.d.ts | 2 +-
 src/litegraph.js      | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/public/litegraph.d.ts b/public/litegraph.d.ts
index 7f3c7475..eaa1f819 100644
--- a/public/litegraph.d.ts
+++ b/public/litegraph.d.ts
@@ -584,7 +584,7 @@ export declare class LGraph {
     /** Destroys a link */
     removeLink(link_id: number): void;
     /** Creates a Object containing all the info about this graph, it can be serialized */
-    serialize<T extends serializedLGraph>(): T;
+    serialize<T extends serializedLGraph>(option?: { sortNodes: boolean }): T;
     /**
      * Configure a graph from a JSON string
      * @param data configure a graph from a JSON string
diff --git a/src/litegraph.js b/src/litegraph.js
index 3b7b1904..b623a593 100755
--- a/src/litegraph.js
+++ b/src/litegraph.js
@@ -2042,9 +2042,13 @@ const globalExport = {};
              * @method serialize
              * @return {Object} value of the node
              */
-        serialize() {
+        serialize(option = { sortNodes: false }) {
             var nodes_info = [];
-            nodes_info = [...this._nodes].sort((a, b) => a.id - b.id).map(node => node.serialize());
+            nodes_info = (
+                option?.sortNodes ?
+                [...this._nodes].sort((a, b) => a.id - b.id) :
+                this._nodes
+            ).map(node => node.serialize());
 
             //pack link info into a non-verbose format
             var links = [];