Create src/App.js

src/App.js

@@ -0,0 +1,30 @@
+import React from 'react';
+import ReactFlow from 'reactflow';
+
+import 'reactflow/dist/style.css';
+
+const initialNodes = [
+  {
+    id: '1',
+    type: 'input',
+    data: { label: 'Hello' },
+    position: { x: 250, y: 0 },
+  },
+  {
+    id: '2',
+    data: { label: 'World' },
+    position: { x: 250, y: 100 },
+  },
+];
+
+const initialEdges = [{ id: 'e1-2', source: '1', target: '2' }];
+
+const App = () => {
+  return (
+    <div style={{ width: '100%', height: '500px' }}>
+      <ReactFlow nodes={initialNodes} edges={initialEdges} />
+    </div>
+  );
+};
+
+export default App;