fix(fitview): emtpy graph doesnt crash closes #50

src/utils/graph.ts

@@ -178,10 +178,10 @@ export const getConnectedEdges = (nodes: Node[], edges: Edge[]): Edge[] => {
   });
 };
 
-export const fitView = ({ padding }: FitViewParams = { padding: 0 }): void => {
+export const fitView = ({ padding }: FitViewParams = { padding: 0.1 }): void => {
   const { nodes, width, height, d3Selection, d3Zoom } = store.getState();
 
-  if (!d3Selection || !d3Zoom) {
+  if (!d3Selection || !d3Zoom || !nodes.length) {
     return;
   }