From 02fd1c00a10753b6c81fc907daedeaa5d510c317 Mon Sep 17 00:00:00 2001
From: Alexis Jacomy <alexis.jacomy@gmail.com>
Date: Tue, 3 Oct 2023 16:54:16 +0200
Subject: [PATCH] #1386 - Adds more safeguards to #kill method

---
 src/sigma.ts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/sigma.ts b/src/sigma.ts
index 416c00c0e..6ca46b63d 100644
--- a/src/sigma.ts
+++ b/src/sigma.ts
@@ -1820,10 +1820,25 @@ export default class Sigma<GraphType extends Graph = Graph> extends TypedEventEm
       this.renderHighlightedNodesFrame = null;
     }
 
+    // Destroying WebGL contexts
+    for (const id in this.webGLContexts) {
+      const context = this.webGLContexts[id];
+      context.getExtension("WEBGL_lose_context")?.loseContext();
+    }
+
     // Destroying canvases
     const container = this.container;
 
     while (container.firstChild) container.removeChild(container.firstChild);
+
+    // Destroying remaining collections
+    this.canvasContexts = {};
+    this.webGLContexts = {};
+    this.elements = {};
+
+    this.nodePrograms = {};
+    this.nodeHoverPrograms = {};
+    this.edgePrograms = {};
   }
 
   /**