frontend/node_modules/@mui/utils/useLazyRef/useLazyRef.js

"use strict";
'use client';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = useLazyRef;
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (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; }
const UNINITIALIZED = {};

/**
 * A React.useRef() that is initialized lazily with a function. Note that it accepts an optional
 * initialization argument, so the initialization function doesn't need to be an inline closure.
 *
 * @usage
 *   const ref = useLazyRef(sortColumns, columns)
 */
function useLazyRef(init, initArg) {
  const ref = React.useRef(UNINITIALIZED);
  if (ref.current === UNINITIALIZED) {
    ref.current = init(initArg);
  }
  return ref;
}