@ant-design/pro-flow/es/FlowView/hooks/useFlowState.js

A React based Flow components

import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import { useCallback, useState } from 'react';
import { applyNodeChanges, useEdgesState } from 'reactflow';
var useNodesState = function useNodesState(beforeNodes) {
  var _useState = useState(beforeNodes),
    _useState2 = _slicedToArray(_useState, 2),
    items = _useState2[0],
    setItems = _useState2[1];
  var onItemsChange = useCallback(function (changes) {
    setItems(function (items) {
      return applyNodeChanges(changes, items);
    });
  }, [items]);
  return [items, setItems, onItemsChange];
};
export { useEdgesState, useNodesState };