diff options
Diffstat (limited to 'src/client/views/nodes/WebBox.tsx')
| -rw-r--r-- | src/client/views/nodes/WebBox.tsx | 10 |
1 files changed, 6 insertions, 4 deletions
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) => { |