acud/lib/watermark/hooks/useMutateObserver.js

acg react 组件库

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = useMutateObserver;
var _canUseDom = _interopRequireDefault(require("rc-util/lib/Dom/canUseDom"));
var React = _interopRequireWildcard(require("react"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
/* eslint-disable no-undef */

var defaultOptions = {
  subtree: true,
  childList: true,
  attributeFilter: ['style', 'class']
};
/**
 * 使用Mutation Observer API监听节点或节点列表的变动。
 *
 * @param nodeOrList - 要观察的节点或节点列表。
 * @param callback - 在节点或节点列表上发生变化时调用的回调函数。
 * @param options - 配置 MutationObserver 的选项，默认值为 `defaultOptions`。
 * @returns 返回一个清理函数，用于停止和销毁 MutationObserver 对象。
 */
function useMutateObserver(nodeOrList, callback) {
  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : defaultOptions;
  React.useEffect(function () {
    if (!(0, _canUseDom["default"])() || !nodeOrList) {
      return;
    }
    var instance;
    var nodeList = Array.isArray(nodeOrList) ? nodeOrList : [nodeOrList];
    if ('MutationObserver' in window) {
      instance = new MutationObserver(callback);
      nodeList.forEach(function (element) {
        instance.observe(element, options);
      });
    }
    return function () {
      instance === null || instance === void 0 ? void 0 : instance.takeRecords();
      instance === null || instance === void 0 ? void 0 : instance.disconnect();
    };
  }, [options, nodeOrList]);
}