From 2043fc6d4bf74397e4ccf378137e0ff1704167ca Mon Sep 17 00:00:00 2001
From: Bob Zeleznik <zzzman@gmail.com>
Date: Fri, 8 May 2020 01:48:55 -0400
Subject: fixed webbox exception.  fixed marquee div not to userSelect.  fixed
 snap lines when zoomed out.

---
 src/client/views/nodes/WebBox.tsx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'src/client/views/nodes/WebBox.tsx')

diff --git a/src/client/views/nodes/WebBox.tsx b/src/client/views/nodes/WebBox.tsx
index 80e15fd5f..8239d6fdf 100644
--- a/src/client/views/nodes/WebBox.tsx
+++ b/src/client/views/nodes/WebBox.tsx
@@ -48,10 +48,12 @@ export class WebBox extends ViewBoxAnnotatableComponent<FieldViewProps, WebDocum
     private _setPreviewCursor: undefined | ((x: number, y: number, drag: boolean) => void);
 
     iframeLoaded = action((e: any) => {
-        this._iframeRef.current!.contentDocument?.addEventListener('pointerdown', this.iframedown, false);
-        this._iframeRef.current!.contentDocument?.addEventListener('scroll', this.iframeScrolled, false);
-        this.layoutDoc.scrollHeight = this._iframeRef.current!.contentDocument?.children?.[0].scrollHeight || 1000;
-        this._iframeRef.current!.contentDocument && (this._iframeRef.current!.contentDocument.children[0].scrollTop = NumCast(this.layoutDoc.scrollTop));
+        if (this._iframeRef.current?.contentDocument) {
+            this._iframeRef.current.contentDocument.addEventListener('pointerdown', this.iframedown, false);
+            this._iframeRef.current.contentDocument.addEventListener('scroll', this.iframeScrolled, false);
+            this.layoutDoc.scrollHeight = this._iframeRef.current.contentDocument.children?.[0].scrollHeight || 1000;
+            this._iframeRef.current.contentDocument.children[0].scrollTop = NumCast(this.layoutDoc.scrollTop);
+        }
         this._reactionDisposer?.();
         this._reactionDisposer = reaction(() => this.layoutDoc.scrollY,
             (scrollY) => {
-- 
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