acud/lib/watermark/context.js

acg react 组件库

"use strict";

var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
exports.usePanelRef = usePanelRef;
var _rcUtil = require("rc-util");
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); }
/**
 * 无参函数
 */
function voidFunc() {}
var WatermarkContext = /*#__PURE__*/React.createContext({
  add: voidFunc,
  remove: voidFunc
});
/**
 * 使用面板引用。
 * @param panelSelector - 面板选择器。
 * @returns 返回使用面板引用的函数。
 */
function usePanelRef(panelSelector) {
  var watermark = React.useContext(WatermarkContext);
  var panelEleRef = React.useRef();
  var panelRef = (0, _rcUtil.useEvent)(function (ele) {
    if (ele) {
      var innerContentEle = panelSelector ? ele.querySelector(panelSelector) : ele;
      watermark.add(innerContentEle);
      panelEleRef.current = innerContentEle;
    } else {
      watermark.remove(panelEleRef.current);
    }
  });
  return panelRef;
}
var _default = exports["default"] = WatermarkContext;