From b17eccfe665b9d9e200ec1d3a774a7d5f06ae1c6 Mon Sep 17 00:00:00 2001
From: justorez <alonezero@foxmail.com>
Date: Fri, 24 Feb 2023 23:15:37 +0800
Subject: [PATCH 1/2] fix(event): fix "dataZoom" doesn't work

Event error with preventDefault.
---
 ec-canvas/ec-canvas.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ec-canvas/ec-canvas.js b/ec-canvas/ec-canvas.js
index a308340..2f54647 100644
--- a/ec-canvas/ec-canvas.js
+++ b/ec-canvas/ec-canvas.js
@@ -261,5 +261,8 @@ function wrapTouch(event) {
     touch.offsetX = touch.x;
     touch.offsetY = touch.y;
   }
+  event.preventDefault = () => {};
+  event.stopImmediatePropagation = () => {};
+  event.stopPropagation = () => {};
   return event;
 }

From 40d2d52dd89f1e7cd6616d19e5e280441305ed8c Mon Sep 17 00:00:00 2001
From: justorez <alonezero@foxmail.com>
Date: Wed, 8 Mar 2023 10:33:48 +0800
Subject: [PATCH 2/2] fix: use `()=>{}` only if event methods does not exist

---
 ec-canvas/ec-canvas.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ec-canvas/ec-canvas.js b/ec-canvas/ec-canvas.js
index 2f54647..dc091f9 100644
--- a/ec-canvas/ec-canvas.js
+++ b/ec-canvas/ec-canvas.js
@@ -261,8 +261,8 @@ function wrapTouch(event) {
     touch.offsetX = touch.x;
     touch.offsetY = touch.y;
   }
-  event.preventDefault = () => {};
-  event.stopImmediatePropagation = () => {};
-  event.stopPropagation = () => {};
+  event.preventDefault ??= () => {};
+  event.stopImmediatePropagation ??= () => {};
+  event.stopPropagation ??= () => {};
   return event;
 }