@ucloud-pccl/react-components/lib/hooks/useIsInitial.js

UCloud pccl react components

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _newArrowCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/newArrowCheck"));
var _react = _interopRequireWildcard(require("react"));
var _this = void 0;
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != _typeof(e) && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
var useIsInitial = function useIsInitial() {
  var _this2 = this;
  (0, _newArrowCheck2.default)(this, _this);
  var isFirst = (0, _react.useRef)(true);
  (0, _react.useEffect)(function () {
    var _this3 = this;
    (0, _newArrowCheck2.default)(this, _this2);
    setTimeout(function () {
      (0, _newArrowCheck2.default)(this, _this3);
      return isFirst.current = false;
    }.bind(this), 0);
  }.bind(this), []);
  return isFirst.current;
}.bind(void 0);
var _default = exports.default = useIsInitial;