dify/web/app/components/workflow/nodes/index.tsx

import { memo } from 'react'
import type { NodeProps } from 'reactflow'
import type { Node } from '../types'
import {
  NodeComponentMap,
  PanelComponentMap,
} from './constants'
import BaseNode from './_base/node'
import BasePanel from './_base/panel'

const CustomNode = (props: NodeProps) => {
  const nodeData = props.data
  const NodeComponent = NodeComponentMap[nodeData.type]

  return (
    <>
      <BaseNode { ...props }>
        <NodeComponent />
      </BaseNode>
    </>
  )
}
CustomNode.displayName = 'CustomNode'

export const Panel = memo((props: Node) => {
  const nodeData = props.data
  const PanelComponent = PanelComponentMap[nodeData.type]

  return (
    <BasePanel key={props.id} {...props}>
      <PanelComponent />
    </BasePanel>
  )
})

Panel.displayName = 'Panel'

export default memo(CustomNode)