From 3d1b92c3a945a981d1ce81dcdbdea2c46db54aec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20Rivi=C3=A8re?= <fil@rezo.net>
Date: Fri, 3 Jan 2025 16:06:51 +0100
Subject: [PATCH] adopt window.DOMPointReadOnly

closes #320
---
 src/pointer.js | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/pointer.js b/src/pointer.js
index 3e2298f..111c6fa 100644
--- a/src/pointer.js
+++ b/src/pointer.js
@@ -4,11 +4,9 @@ export default function(event, node) {
   event = sourceEvent(event);
   if (node === undefined) node = event.currentTarget;
   if (node) {
-    var svg = node.ownerSVGElement || node;
-    if (svg.createSVGPoint) {
-      var point = svg.createSVGPoint();
-      point.x = event.clientX, point.y = event.clientY;
-      point = point.matrixTransform(node.getScreenCTM().inverse());
+    if (window.DOMPointReadOnly) {
+      const point = new window.DOMPointReadOnly(event.clientX, event.clientY)
+        .matrixTransform(node.getScreenCTM().inverse());
       return [point.x, point.y];
     }
     if (node.getBoundingClientRect) {