UNPKG

1.82 kBJavaScriptView Raw
1"use strict";
2
3var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
4
5var _typeof = require("@babel/runtime/helpers/typeof");
6
7Object.defineProperty(exports, "__esModule", {
8 value: true
9});
10exports["default"] = useSyncState;
11
12var React = _interopRequireWildcard(require("react"));
13
14var _useForceUpdate = _interopRequireDefault(require("./useForceUpdate"));
15
16function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
17
18function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
19
20function useSyncState(initialValue) {
21 var ref = React.useRef(initialValue);
22 var forceUpdate = (0, _useForceUpdate["default"])();
23 return [function () {
24 return ref.current;
25 }, function (newValue) {
26 ref.current = newValue; // re-render
27
28 forceUpdate();
29 }];
30}
\No newline at end of file