feat(examples): add ~stress~ test

example/src/Stress/index.js

@@ -0,0 +1,33 @@
+import React, { useState } from 'react';
+
+import Graph, { removeElements, addEdge, MiniMap } from 'react-flow';
+import { getElements } from './utils';
+
+const onLoad = graph => {
+  console.log('graph loaded:', graph);
+  graph.fitView();
+};
+
+const initialElements = getElements(10, 10);
+
+const StressGraph = () => {
+  const [elements, setElements] = useState(initialElements);
+  const onElementsRemove = (elementsToRemove) =>
+    setElements(els => removeElements(elementsToRemove, els));
+  const onConnect = (params) => setElements(els => addEdge(params, els));
+
+  return (
+    <Graph
+      elements={elements}
+      onLoad={onLoad}
+      onElementsRemove={onElementsRemove}
+      onConnect={onConnect}
+      style={{ width: '100%', height: '100%' }}
+      backgroundType="lines"
+    >
+      <MiniMap />
+    </Graph>
+  );
+}
+
+export default StressGraph;