refactor(examples): use cra + ts

2021-02-23 18:39:17 +01:00
parent 2f5ce17a89
commit 20309d4e38
46 changed files with 17435 additions and 462 deletions
@@ -0,0 +1,37 @@
+import React, { useState } from 'react';
+import ReactFlow, {
+  ReactFlowProvider,
+  removeElements,
+  addEdge,
+  Elements,
+  Connection,
+  Edge,
+  OnLoadParams,
+} from 'react-flow-renderer';
+
+import Controls from './Controls';
+
+import './save.css';
+
+const initialElements: Elements = [
+  { id: '1', data: { label: 'Node 1' }, position: { x: 100, y: 100 } },
+  { id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 200 } },
+  { id: 'e1-2', source: '1', target: '2' },
+];
+
+const SaveRestore = () => {
+  const [rfInstance, setRfInstance] = useState<OnLoadParams>();
+  const [elements, setElements] = useState<Elements>(initialElements);
+  const onElementsRemove = (elementsToRemove: Elements) => setElements((els) => removeElements(elementsToRemove, els));
+  const onConnect = (params: Connection | Edge) => setElements((els) => addEdge(params, els));
+
+  return (
+    <ReactFlowProvider>
+      <ReactFlow elements={elements} onElementsRemove={onElementsRemove} onConnect={onConnect} onLoad={setRfInstance}>
+        <Controls rfInstance={rfInstance} setElements={setElements} />
+      </ReactFlow>
+    </ReactFlowProvider>
+  );
+};
+
+export default SaveRestore;