Fixes for declarations as narrative elements

Author: tkw1536

src/Clients/LibraryClient/objects/index.ts

@@ -144,7 +144,9 @@ export type INarrativeElement =
     IOpaqueElement |
     IDocument |
     IDocumentRef |
-    IModuleRef;
+    IModuleRef |
+    IDeclaration |
+    IDeclarationRef;
 
 // parent of a document
 export type IDocumentParentRef = IArchiveRef | IDocumentRef;

src/Routes/Library/Document/Content/index.tsx

@@ -26,6 +26,8 @@ function NarrativeElementViewItem(props: {element: INarrativeElement}) {
     const { element } = props;
     if (element.ref && element.kind === "module")
         return <Module mod={element} />;
+    else if (element.kind === "declaration")
+        return null; // unsupported in this version
     else if (element.kind === "opaque")
         return <Opaque element={element} />;
     else