useHandleConnections
此 Hook 會在特定 handle 或 handle 類型上傳回連線陣列。
import { useHandleConnections } from '@xyflow/react';
export default function () {
const connections = useHandleConnections({ type: 'target', id: 'my-handle' });
return (
<div>There are currently {connections.length} incoming connections!</div>
);
}
簽名
名稱 | 類型 |
---|---|
#參數 |
|
# type | "source" | "target" 您想觀察哪種 handle 連線? |
# id? | 字串 handle 的 ID |
# nodeId? | 字串 節點的 ID,如果用於自訂節點內,則會自動填入 |
# onConnect? | (連線: Connection[]) => void |
# onDisconnect? | (連線: Connection[]) => void |
#回傳 |
|
HandleConnection[] |