antd/es/_util/hooks/usePatchElement.js

An enterprise-class UI design language and React components implementation

import _toConsumableArray from "@babel/runtime/helpers/esm/toConsumableArray";
import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import * as React from 'react';
export default function usePatchElement() {
  var _React$useState = React.useState([]),
    _React$useState2 = _slicedToArray(_React$useState, 2),
    elements = _React$useState2[0],
    setElements = _React$useState2[1];
  var patchElement = React.useCallback(function (element) {
    // append a new element to elements (and create a new ref)
    setElements(function (originElements) {
      return [].concat(_toConsumableArray(originElements), [element]);
    });
    // return a function that removes the new element out of elements (and create a new ref)
    // it works a little like useEffect
    return function () {
      setElements(function (originElements) {
        return originElements.filter(function (ele) {
          return ele !== element;
        });
      });
    };
  }, []);
  return [elements, patchElement];
}