1 files changed, 10 insertions, 10 deletions

diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index b9d5ce857..7543b3fb1 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -51,7 +51,7 @@ interface IViewerProps extends FieldViewProps {
  * Handles rendering and virtualization of the pdf
  */
 @observer
-export class PDFViewer extends ObservableReactComponent<IViewerProps> {
+export class PDFViewer extends ObservableReactComponent {
     static _annotationStyle = addStyleSheet();
 
     constructor(props: IViewerProps) {
@@ -68,12 +68,12 @@ export class PDFViewer extends ObservableReactComponent<IViewerProps> {
     private _pdfViewer!: PDFJSViewer.PDFViewer;
     private _styleRule: number | undefined; // stylesheet rule for making hyperlinks clickable
     private _retries = 0; // number of times tried to create the PDF viewer
-    private _setPreviewCursor: undefined | ((x: number, y: number, drag: boolean, hide: boolean, doc: Opt<Doc>) => void);
+    private _setPreviewCursor: undefined | ((x: number, y: number, drag: boolean, hide: boolean, doc: Opt) => void);
     private _marqueeref = React.createRef<MarqueeAnnotator>();
-    private _annotationLayer: React.RefObject<HTMLDivElement> = React.createRef();
+    private _annotationLayer: React.RefObject = React.createRef();
     private _disposers: { [name: string]: IReactionDisposer } = {};
-    private _viewer: React.RefObject<HTMLDivElement> = React.createRef();
-    _mainCont: React.RefObject<HTMLDivElement> = React.createRef();
+    private _viewer: React.RefObject = React.createRef();
+    _mainCont: React.RefObject = React.createRef();
     private _selectionText: string = '';
     private _selectionContent: DocumentFragment | undefined;
     private _downX: number = 0;
@@ -81,9 +81,9 @@ export class PDFViewer extends ObservableReactComponent<IViewerProps> {
     private _lastSearch = false;
     private _viewerIsSetup = false;
     private _ignoreScroll = false;
-    private _initialScroll: { loc: Opt<number>; easeFunc: 'linear' | 'ease' | undefined } | undefined;
+    private _initialScroll: { loc: Opt; easeFunc: 'linear' | 'ease' | undefined } | undefined;
     private _forcedScroll = true;
-    _getAnchor: (savedAnnotations: Opt<ObservableMap<number, HTMLDivElement[]>>, addAsAnnotation: boolean) => Opt<Doc> = () => undefined;
+    _getAnchor: (savedAnnotations: Opt, addAsAnnotation: boolean) => Opt = () => undefined;
 
     selectionText = () => this._selectionText;
     selectionContent = () => this._selectionContent;
@@ -179,7 +179,7 @@ export class PDFViewer extends ObservableReactComponent<IViewerProps> {
     // otherwise it will scroll smoothly.
     scrollFocus = (doc: Doc, scrollTop: number, options: FocusViewOptions) => {
         const mainCont = this._mainCont.current;
-        let focusSpeed: Opt<number>;
+        let focusSpeed: Opt;
         if (doc !== this._props.Document && mainCont) {
             const windowHeight = this._props.PanelHeight() / (this._props.NativeDimScaling?.() || 1);
             const scrollTo = ClientUtils.scrollIntoView(scrollTop, doc[Height](), NumCast(this._props.layoutDoc._layout_scrollTop), windowHeight, windowHeight * 0.1, this._scrollHeight);
@@ -495,7 +495,7 @@ export class PDFViewer extends ObservableReactComponent<IViewerProps> {
         // e.stopPropagation();  // bcz: not sure why this was here.  We need to allow the DocumentView to get clicks to process doubleClicks
     };
 
-    setPreviewCursor = (func?: (x: number, y: number, drag: boolean, hide: boolean, doc: Opt<Doc>) => void) => {
+    setPreviewCursor = (func?: (x: number, y: number, drag: boolean, hide: boolean, doc: Opt) => void) => {
         this._setPreviewCursor = func;
     };
 
@@ -534,7 +534,7 @@ export class PDFViewer extends ObservableReactComponent<IViewerProps> {
     panelHeight = () => this._props.PanelHeight() / (this._props.NativeDimScaling?.() || 1);
     transparentFilter = () => [...this._props.childFilters(), ClientUtils.TransparentBackgroundFilter];
     opaqueFilter = () => [...this._props.childFilters(), ClientUtils.noDragDocsFilter, ...(SnappingManager.CanEmbed && this._props.isContentActive() ? [] : [ClientUtils.OpaqueBackgroundFilter])];
-    childStyleProvider = (doc: Doc | undefined, props: Opt<FieldViewProps>, property: string) => {
+    childStyleProvider = (doc: Doc | undefined, props: Opt, property: string) => {
         if (doc instanceof Doc && property === StyleProp.PointerEvents) {
             if (this.inlineTextAnnotations.includes(doc) || this._props.isContentActive() === false) return 'none';
             const isInk = doc.layout_isSvg && !props?.LayoutTemplateString;