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Render initial preview for empty documents #8729

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Nov 13, 2020
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4 changes: 2 additions & 2 deletions packages/preview/src/browser/preview-widget.ts
Original file line number Diff line number Diff line change
Expand Up @@ -165,11 +165,11 @@ export class PreviewWidget extends BaseWidget implements Navigatable {
}

protected forceUpdate(): void {
this.previousContent = '';
this.previousContent = undefined;
this.update();
}

protected previousContent: string = '';
protected previousContent: string | undefined = undefined;
protected async performUpdate(): Promise<void> {
if (!this.resource) {
return;
Expand Down