package-lock.json

 {
   "name": "knowledge-space",
-  "version": "1.1.2",
+  "version": "2.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "knowledge-space",
-      "version": "1.1.2",
+      "version": "2.0.0",
       "license": "ISC",
       "dependencies": {
         "katex": "^0.16.0",

package.json

 {
   "name": "knowledge-space",
-  "version": "1.1.2",
+  "version": "2.0.0",
   "description": "A Wordpress-Plugin to display knowledge in a graph-structured way.",
   "source": "index.js",
   "debug": "build/debug/graph.js",

src/display/components/nodeinfo/mediaarea.tsx

@@ -23,7 +23,7 @@ interface MediaAreaProps {
  * @constructor
  */
 function MediaArea({ description, image, video, references }: MediaAreaProps) {
-    const text = splitAtDelimiters(description, [
+    const text = splitAtDelimiters(description ?? "", [
         { left: "$$", right: "$$", display: true },
         { left: "$", right: "$", display: true },
     ]);
@@ -61,7 +61,7 @@ function MediaArea({ description, image, video, references }: MediaAreaProps) {
                 />
             )}
 
-            {references && (
+            {references && references.length > 0 && (
                 <div className={"media-area-references"}>
                     <h6>Weiterführende Links</h6>
                     <References references={references} />

src/editor/editor.tsx

@@ -488,7 +488,7 @@ export class Editor extends React.PureComponent<any, stateTypes> {
     }
 
     /**
-     * @param newId Explicit id of space that should be deleted.
+     * @param spaceId Explicit id of space that should be deleted.
      */
     private deleteSpace(spaceId: string): Promise<void> {
         return deleteGraphJson(spaceId).then(() => {