!(function (e, t) {
    if ('object' == typeof exports && 'undefined' != typeof module) {
        module.exports = t();
    } else {
        if ('function' == typeof define && define.amd) {
            define(t);
        } else {
            (e = 'undefined' != typeof globalThis ? globalThis : e || self).dayjs_plugin_weekday = t();
        }
    }
})(this, function () {
    'use strict';

    return function (e, t) {
        t.prototype.weekday = function (e) {
            var t = this.$locale().weekStart || 0;
            var i = this.$W;
            var n = (i < t ? i + 7 : i) - t;
            return this.$utils().u(e) ? n : this.subtract(n, 'day').add(e, 'day');
        };
    };
});