From 3d7959a1af99963b8a06eef9fcee91dc067a87ad Mon Sep 17 00:00:00 2001
From: MoyuScript <i@moyu.moe>
Date: Fri, 18 Aug 2017 22:22:24 +0800
Subject: [PATCH] Remove redundant style nodes from clone

---
 src/Clone.js                          | 4 +++-
 src/renderer/ForeignObjectRenderer.js | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Clone.js b/src/Clone.js
index c77b722..c6feb31 100644
--- a/src/Clone.js
+++ b/src/Clone.js
@@ -93,7 +93,9 @@ export class DocumentCloner {
 
         for (let child = node.firstChild; child; child = child.nextSibling) {
             if (child.nodeType !== Node.ELEMENT_NODE || child.nodeName !== 'SCRIPT') {
-                clone.appendChild(this.cloneNode(child));
+                if (!this.copyStyles || child.nodeName !== 'STYLE') {
+                    clone.appendChild(this.cloneNode(child));
+                }
             }
         }
         if (node instanceof HTMLElement && clone instanceof HTMLElement) {
diff --git a/src/renderer/ForeignObjectRenderer.js b/src/renderer/ForeignObjectRenderer.js
index 9414c25..81a10eb 100644
--- a/src/renderer/ForeignObjectRenderer.js
+++ b/src/renderer/ForeignObjectRenderer.js
@@ -44,6 +44,8 @@ export default class ForeignObjectRenderer {
                 resolve(this.canvas);
             };
 
+            img.onerror = reject;
+
             img.src = `data:image/svg+xml;charset=utf-8,${encodeURIComponent(
                 new XMLSerializer().serializeToString(svg)
             )}`;