It appears that the repository has undergone several changes and renamings:

backend/node_modules/date-fns/locale/hu.cjs

@@ -1,29 +0,0 @@
-"use strict";
-exports.hu = void 0;
-var _index = require("./hu/_lib/formatDistance.cjs");
-var _index2 = require("./hu/_lib/formatLong.cjs");
-var _index3 = require("./hu/_lib/formatRelative.cjs");
-var _index4 = require("./hu/_lib/localize.cjs");
-var _index5 = require("./hu/_lib/match.cjs");
-
-/**
- * @category Locales
- * @summary Hungarian locale.
- * @language Hungarian
- * @iso-639-2 hun
- * @author Pavlo Shpak [@pshpak](https://github.com/pshpak)
- * @author Eduardo Pardo [@eduardopsll](https://github.com/eduardopsll)
- * @author Zoltan Szepesi [@twodcube](https://github.com/twodcube)
- */
-const hu = (exports.hu = {
-  code: "hu",
-  formatDistance: _index.formatDistance,
-  formatLong: _index2.formatLong,
-  formatRelative: _index3.formatRelative,
-  localize: _index4.localize,
-  match: _index5.match,
-  options: {
-    weekStartsOn: 1 /* Monday */,
-    firstWeekContainsDate: 4,
-  },
-});