zmp-ui
Version:
Zalo Mini App framework
22 lines (21 loc) • 1.41 kB
JavaScript
;
exports.__esModule = true;
exports.useLayoutUpdateEffect = void 0;
var React = _interopRequireWildcard(require("react"));
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 && Object.prototype.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 useLayoutUpdateEffect = exports.useLayoutUpdateEffect = function useLayoutUpdateEffect(callback, deps) {
var firstMountRef = React.useRef(true);
React.useLayoutEffect(function () {
if (!firstMountRef.current) {
return callback();
}
return undefined;
}, deps);
React.useLayoutEffect(function () {
firstMountRef.current = false;
return function () {
firstMountRef.current = true;
};
}, []);
};