refactor(examples): use cra + ts

example/src/CustomConnectionLine/ConnectionLine.tsx

@@ -1,15 +1,7 @@
-import React from 'react';
+import React, { FC } from 'react';
+import { ConnectionLineComponentProps } from 'react-flow-renderer';
 
-export default ({
-  sourceX,
-  sourceY,
-  sourcePosition,
-  targetX,
-  targetY,
-  targetPosition,
-  connectionLineType,
-  connectionLineStyle,
-}) => {
+const ConnectionLine: FC<ConnectionLineComponentProps> = ({ sourceX, sourceY, targetX, targetY }) => {
   return (
     <g>
       <path
@@ -23,3 +15,5 @@ export default ({
     </g>
   );
 };
+
+export default ConnectionLine;

example/src/CustomConnectionLine/index.js

@@ -1,25 +0,0 @@
-import React, { useState } from 'react';
-import ReactFlow, { removeElements, addEdge, Background } from 'react-flow-renderer';
-
-import ConnectionLine from './ConnectionLine';
-
-const initialElements = [{ id: '1', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 } }];
-
-const ConnectionLineFlow = () => {
-  const [elements, setElements] = useState(initialElements);
-  const onElementsRemove = (elementsToRemove) => setElements((els) => removeElements(elementsToRemove, els));
-  const onConnect = (params) => setElements((els) => addEdge(params, els));
-
-  return (
-    <ReactFlow
-      elements={elements}
-      connectionLineComponent={ConnectionLine}
-      onElementsRemove={onElementsRemove}
-      onConnect={onConnect}
-    >
-      <Background variant="lines" />
-    </ReactFlow>
-  );
-};
-
-export default ConnectionLineFlow;

example/src/CustomConnectionLine/index.tsx

@@ -0,0 +1,33 @@
+import React, { useState } from 'react';
+import ReactFlow, {
+  removeElements,
+  addEdge,
+  Background,
+  BackgroundVariant,
+  Elements,
+  Connection,
+  Edge,
+} from 'react-flow-renderer';
+
+import ConnectionLine from './ConnectionLine';
+
+const initialElements: Elements = [{ id: '1', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 } }];
+
+const ConnectionLineFlow = () => {
+  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 (
+    <ReactFlow
+      elements={elements}
+      connectionLineComponent={ConnectionLine}
+      onElementsRemove={onElementsRemove}
+      onConnect={onConnect}
+    >
+      <Background variant={BackgroundVariant.Lines} />
+    </ReactFlow>
+  );
+};
+
+export default ConnectionLineFlow;