From 7e0453aafae252e98c9ec25d0191f95389e78996 Mon Sep 17 00:00:00 2001
From: Alexis Jacomy <alexis.jacomy@gmail.com>
Date: Tue, 19 Nov 2024 14:25:06 +0100
Subject: [PATCH] [sigma] Fixes #getCanvases so that it returns only canvases

---
 packages/sigma/src/sigma.ts | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/packages/sigma/src/sigma.ts b/packages/sigma/src/sigma.ts
index ff6adbc3a..bd0fce6e1 100644
--- a/packages/sigma/src/sigma.ts
+++ b/packages/sigma/src/sigma.ts
@@ -2344,9 +2344,12 @@ export default class Sigma<
    * - `hoverNodes`
    * - `mouse`
    *
-   * @return {PlainObject<HTMLElement>} - The collection of canvases.
+   * @return {PlainObject<HTMLCanvasElement>} - The collection of canvases.
    */
-  getCanvases(): PlainObject<HTMLElement> {
-    return { ...this.elements };
+  getCanvases(): PlainObject<HTMLCanvasElement> {
+    const res: Record<string, HTMLCanvasElement> = {};
+    for (const layer in this.elements)
+      if (this.elements[layer] instanceof HTMLCanvasElement) res[layer] = this.elements[layer] as HTMLCanvasElement;
+    return res;
   }
 }