From df435da9a57f384201cb703effa9cf77f5bcbf87 Mon Sep 17 00:00:00 2001
From: Jiuqing Song <jisong@microsoft.com>
Date: Tue, 17 Dec 2024 22:46:00 -0800
Subject: [PATCH] improve

---
 .../lib/watermark/WatermarkPlugin.ts                        | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/roosterjs-content-model-plugins/lib/watermark/WatermarkPlugin.ts b/packages/roosterjs-content-model-plugins/lib/watermark/WatermarkPlugin.ts
index f6c309fa13d..1ab7d186a7f 100644
--- a/packages/roosterjs-content-model-plugins/lib/watermark/WatermarkPlugin.ts
+++ b/packages/roosterjs-content-model-plugins/lib/watermark/WatermarkPlugin.ts
@@ -18,6 +18,7 @@ export class WatermarkPlugin implements EditorPlugin {
     private format: WatermarkFormat;
     private isShowing = false;
     private darkTextColor: string | null = null;
+    private disposer: (() => void) | null = null;
 
     /**
      * Create an instance of Watermark plugin
@@ -43,7 +44,7 @@ export class WatermarkPlugin implements EditorPlugin {
      */
     initialize(editor: IEditor) {
         this.editor = editor;
-        this.editor.attachDomEvent({
+        this.disposer = this.editor.attachDomEvent({
             compositionstart: {
                 beforeDispatch: this.onCompositionStart,
             },
@@ -54,6 +55,9 @@ export class WatermarkPlugin implements EditorPlugin {
      * Dispose this plugin
      */
     dispose() {
+        this.disposer?.();
+        this.disposer = null;
+
         this.editor = null;
     }