feat(nodetypes): add nodeTypesId prop to force recreation of nodeTypes #1007

example/src/NodeTypesObjectChange/index.tsx

@@ -0,0 +1,76 @@
+import React, { useState, CSSProperties, FC } from 'react';
+
+import ReactFlow, {
+  addEdge,
+  Elements,
+  Position,
+  Connection,
+  Edge,
+  NodeProps,
+  NodeTypesType,
+} from 'react-flow-renderer';
+
+const initialElements: Elements = [
+  {
+    id: '1',
+    sourcePosition: Position.Right,
+    type: 'input',
+    data: { label: 'Input' },
+    position: { x: 0, y: 80 },
+  },
+  {
+    id: '2',
+    type: 'a',
+    sourcePosition: Position.Right,
+    targetPosition: Position.Left,
+    data: { label: 'A Node' },
+    position: { x: 250, y: 0 },
+  },
+];
+
+const buttonStyle: CSSProperties = { position: 'absolute', right: 10, top: 30, zIndex: 4 };
+
+const nodeStyles: CSSProperties = { padding: '10px 15px', border: '1px solid #ddd' };
+
+const NodeA: FC<NodeProps> = () => {
+  return <div style={nodeStyles}>A</div>;
+};
+
+const NodeB: FC<NodeProps> = () => {
+  return <div style={nodeStyles}>B</div>;
+};
+
+type NodeTypesObject = {
+  [key: string]: NodeTypesType;
+};
+
+const nodeTypesObjects: NodeTypesObject = {
+  a: {
+    a: NodeA,
+  },
+  b: {
+    b: NodeB,
+  },
+};
+
+const NodeTypeChangeFlow = () => {
+  const [nodeTypesId, setNodeTypesId] = useState<string>('a');
+  const [elements, setElements] = useState<Elements>(initialElements);
+  const onConnect = (params: Connection | Edge) => setElements((els) => addEdge(params, els));
+  const changeType = () => setNodeTypesId((nt) => (nt === 'a' ? 'b' : 'a'));
+
+  return (
+    <ReactFlow
+      elements={elements}
+      onConnect={onConnect}
+      nodeTypes={nodeTypesObjects[nodeTypesId]}
+      nodeTypesId={nodeTypesId}
+    >
+      <button onClick={changeType} style={buttonStyle}>
+        change type
+      </button>
+    </ReactFlow>
+  );
+};
+
+export default NodeTypeChangeFlow;

example/src/index.tsx

@@ -15,6 +15,7 @@ import Hidden from './Hidden';
 import EdgeTypes from './EdgeTypes';
 import CustomConnectionLine from './CustomConnectionLine';
 import NodeTypeChange from './NodeTypeChange';
+import NodeTypesObjectChange from './NodeTypesObjectChange';
 import UpdatableEdge from './UpdatableEdge';
 import UpdateNode from './UpdateNode';
 import SaveRestore from './SaveRestore';
@@ -80,6 +81,10 @@ const routes = [
     path: '/nodetype-change',
     component: NodeTypeChange,
   },
+  {
+    path: '/nodetypesobject-change',
+    component: NodeTypesObjectChange,
+  },
   {
     path: '/updatable-edge',
     component: UpdatableEdge,

src/container/ReactFlow/index.tsx

@@ -115,6 +115,8 @@ export interface ReactFlowProps extends Omit<HTMLAttributes<HTMLDivElement>, 'on
   onEdgeMouseMove?: (event: MouseEvent, edge: Edge) => void;
   onEdgeMouseLeave?: (event: MouseEvent, edge: Edge) => void;
   edgeUpdaterRadius?: number;
+  nodeTypesId?: string;
+  edgeTypesId?: string;
 }
 
 const ReactFlow = ({
@@ -185,10 +187,12 @@ const ReactFlow = ({
   onEdgeMouseMove,
   onEdgeMouseLeave,
   edgeUpdaterRadius = 10,
+  nodeTypesId = '1',
+  edgeTypesId = '1',
   ...rest
 }: ReactFlowProps) => {
-  const nodeTypesParsed = useMemo(() => createNodeTypes(nodeTypes), []);
-  const edgeTypesParsed = useMemo(() => createEdgeTypes(edgeTypes), []);
+  const nodeTypesParsed = useMemo(() => createNodeTypes(nodeTypes), [nodeTypesId]);
+  const edgeTypesParsed = useMemo(() => createEdgeTypes(edgeTypes), [edgeTypesId]);
   const reactFlowClasses = cc(['react-flow', className]);
 
   return (