Fixed a bug caused graph width calculation to fail on load.

src/common/helpers.ts

@@ -5,7 +5,7 @@ export { getClientWidth, getWindowInnerHeight };
  * @returns {number}
  */
 function getClientWidth(elementId: string): number {
-    return document.getElementById("knowledge-space-display").clientWidth;
+    return document.getElementById(elementId).clientWidth;
 }
 
 /**

src/editor/editor.tsx

@@ -4,7 +4,7 @@ import { loadGraphJson } from "../common/datasets";
 import { NodeDetails } from "./components/nodedetails";
 import { SpaceSelect } from "./components/spaceselect";
 import "./editor.css";
-
+import * as Helpers from "../common/helpers";
 import { Node } from "../common/graph/node";
 
 import { NodeTypesEditor } from "./components/nodetypeseditor";
@@ -153,7 +153,7 @@ export class Editor extends React.PureComponent<propTypes, stateTypes> {
      * Processes resize window event. Focusses on resizing the graph accordingly.
      */
     private handleResize() {
-        const newGraphWidth = this.graphContainer.current.clientWidth;
+        const newGraphWidth = Helpers.getClientWidth("knowledge-space-editor");
         this.setState({
             graphWidth: newGraphWidth,
         });