From 25991c282a2568e7eac593e50dc2070e1998c312 Mon Sep 17 00:00:00 2001
From: Davide Tantillo <iamdjj@gmail.com>
Date: Mon, 26 Jan 2026 16:01:38 +0100
Subject: [PATCH] Fix editor crash due to skin ending with comma.

---
 spine-ts/spine-construct3/src/instance.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/spine-ts/spine-construct3/src/instance.ts b/spine-ts/spine-construct3/src/instance.ts
index 7ab0dd1b1..192f46868 100644
--- a/spine-ts/spine-construct3/src/instance.ts
+++ b/spine-ts/spine-construct3/src/instance.ts
@@ -125,6 +125,13 @@ class SpineC3PluginInstance extends SDK.IWorldInstanceBase {
 
 		if (id === PLUGIN_CLASS.PROP_SKIN) {
 			this.skins = [];
+
+			const validatedString = this.validateSkinString();
+			if (validatedString) {
+				this._inst.SetPropertyValue(PLUGIN_CLASS.PROP_SKIN, validatedString);
+				return;
+			}
+
 			this.setSkin();
 			this.layoutView?.Refresh();
 			return;
@@ -245,6 +252,16 @@ class SpineC3PluginInstance extends SDK.IWorldInstanceBase {
 		this.animation = propValue === "" ? undefined : propValue;
 	}
 
+	private validateSkinString () {
+		const skins = this._inst.GetPropertyValue(PLUGIN_CLASS.PROP_SKIN) as string;
+		if (skins === "") return;
+		const split = skins.split(",");
+
+		if (!split.includes("")) return;
+
+		return split.filter(s => s !== "").join(",");
+	}
+
 	private setSkin () {
 		const { skeleton } = this;
 		if (!skeleton) return;