Files
xyflow/examples/nextjs/pages/UseUpdateNodeInternals/CustomNode.tsx
2022-07-19 17:23:26 +02:00

34 lines
915 B
TypeScript

import React, { memo, FC, useMemo, CSSProperties } from 'react';
import { Handle, Position, NodeProps } from '@react-flow/core';
const nodeStyles: CSSProperties = { padding: 10, border: '1px solid #ddd' };
const CustomNode: FC<NodeProps> = ({ data }) => {
const handles = useMemo(
() =>
Array.from({ length: data.handleCount }, (x, i) => {
const handleId = `handle-${i}`;
return (
<Handle
key={handleId}
type='source'
position={Position.Right}
id={handleId}
style={{ top: 10 * i + data.handlePosition * 10 }}
/>
);
}),
[data.handleCount, data.handlePosition]
);
return (
<div style={nodeStyles}>
<Handle type='target' position={Position.Left} />
<div>output handle count: {data.handleCount}</div>
{handles}
</div>
);
};
export default memo(CustomNode);