Improved loading of intial space to be more useful

src/editor/editor.tsx

@@ -70,7 +70,6 @@ type stateTypes = {
  */
 export class Editor extends React.PureComponent<any, stateTypes> {
     private rendererRef: React.RefObject<GraphRenderer2D>;
-    private defaultSpaceId = "Graph";
 
     constructor(props: any) {
         super(props);
@@ -112,8 +111,6 @@ export class Editor extends React.PureComponent<any, stateTypes> {
 
         this.rendererRef = React.createRef();
 
-        this.loadListOfSpaces();
-
         // Set as new state
         this.state = {
             graph: undefined,
@@ -145,12 +142,17 @@ export class Editor extends React.PureComponent<any, stateTypes> {
      * Tries to load initial graph after webpage finished loading.
      */
     componentDidMount() {
-        // Try to load given spaceId from Config
-        // If not available, just load default space
-        const initialSpaceId = this.state.spaceId
-            ? this.state.spaceId
-            : this.defaultSpaceId;
-        this.loadSpace(initialSpaceId);
+        // Get list of all available spaces and pick initial space based on that
+        this.loadListOfSpaces().then(
+            (spaces: string[]) => {
+                // Try to load first element in list of available spaces
+                // If not available, just load default space
+                const initialSpaceId =
+                    spaces.length > 0 ? spaces[0] : this.state.spaceId;
+                this.loadSpace(initialSpaceId);
+            },
+            () => this.loadSpace(this.state.spaceId)
+        );
     }
 
     /**