refactor(dev): rename dev-flows to example

example/src/Basic/index.js

@@ -0,0 +1,63 @@
+import React, { useState } from 'react';
+
+import ReactFlow, { removeElements, addEdge, isNode, Background } from 'react-flow-renderer';
+
+const onLoad = (reactFlowInstance) => console.log('flow loaded:', reactFlowInstance);
+const onNodeDragStop = (event, node) => console.log('drag stop', node);
+const onElementClick = (event, element) => console.log('click', element);
+
+const initialElements = [
+  { id: '1', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 } },
+  { id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 100 } },
+  { id: '3', data: { label: 'Node 3' }, position: { x: 400, y: 100 } },
+  { id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 200 } },
+  { id: 'e1-2', source: '1', target: '2', animated: true },
+  { id: 'e1-3', source: '1', target: '3' },
+];
+
+const BasicFlow = () => {
+  const [elements, setElements] = useState(initialElements);
+  const onElementsRemove = (elementsToRemove) => setElements((els) => removeElements(elementsToRemove, els));
+  const onConnect = (params) => setElements((els) => addEdge(params, els));
+
+  const updatePos = () => {
+    setElements((elms) => {
+      return elms.map((el) => {
+        if (isNode(el)) {
+          return {
+            ...el,
+            position: {
+              x: Math.random() * 400,
+              y: Math.random() * 400,
+            },
+          };
+        }
+
+        return el;
+      });
+    });
+  };
+
+  return (
+    <ReactFlow
+      elements={elements}
+      onLoad={onLoad}
+      onElementClick={onElementClick}
+      onElementsRemove={onElementsRemove}
+      onConnect={onConnect}
+      onNodeDragStop={onNodeDragStop}
+      className="react-flow-basic-example"
+      defaultZoom={1.5}
+      minZoom={0.2}
+      maxZoom={4}
+    >
+      <Background variant="lines" />
+
+      <button onClick={updatePos} style={{ position: 'absolute', right: 10, top: 30, zIndex: 4 }}>
+        change pos
+      </button>
+    </ReactFlow>
+  );
+};
+
+export default BasicFlow;