made docs with no author Admin for everyone. fixed run-time warnings: not memoized accesses when panning, NaNs drawing some labelBoxes, filter box filter boolean options,

1 files changed, 3 insertions, 3 deletions

diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index 6a7cd108a..1187521b3 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -1147,10 +1147,10 @@ export class DocumentView extends React.Component<DocumentViewProps> {
     @computed get nativeScaling() {
         if (this.shouldNotScale) return 1;
         const minTextScale = this.Document.type === DocumentType.RTF ? 0.1 : 0;
-        if (this.fitWidth || this.props.PanelHeight() / this.effectiveNativeHeight > this.props.PanelWidth() / this.effectiveNativeWidth) {
-            return Math.max(minTextScale, this.props.PanelWidth() / this.effectiveNativeWidth);  // width-limited or fitWidth
+        if (this.fitWidth || this.props.PanelHeight() / (this.effectiveNativeHeight || 1) > this.props.PanelWidth() / (this.effectiveNativeWidth || 1)) {
+            return Math.max(minTextScale, this.props.PanelWidth() / (this.effectiveNativeWidth || 1));  // width-limited or fitWidth
         }
-        return Math.max(minTextScale, this.props.PanelHeight() / this.effectiveNativeHeight); // height-limited or unscaled
+        return Math.max(minTextScale, this.props.PanelHeight() / (this.effectiveNativeHeight || 1)); // height-limited or unscaled
     }
 
     @computed get panelWidth() { return this.effectiveNativeWidth ? this.effectiveNativeWidth * this.nativeScaling : this.props.PanelWidth(); }