chore(examples): add old api examples

example/src_oldapi/Stress/utils.ts

@@ -0,0 +1,30 @@
+import { Elements } from 'react-flow-renderer';
+
+export function getElements(xElements: number = 10, yElements: number = 10): Elements {
+  const initialElements = [];
+  let nodeId = 1;
+  let recentNodeId = null;
+
+  for (let y = 0; y < yElements; y++) {
+    for (let x = 0; x < xElements; x++) {
+      const position = { x: x * 100, y: y * 50 };
+      const data = { label: `Node ${nodeId}` };
+      const node = {
+        id: nodeId.toString(),
+        style: { width: 50, fontSize: 11 },
+        data,
+        position,
+      };
+      initialElements.push(node);
+
+      if (recentNodeId && nodeId <= xElements * yElements) {
+        initialElements.push({ id: `${x}-${y}`, source: recentNodeId.toString(), target: nodeId.toString() });
+      }
+
+      recentNodeId = nodeId;
+      nodeId++;
+    }
+  }
+
+  return initialElements;
+}