/*!
  * chartjs-adapter-moment v1.0.1
  * https://www.chartjs.org
  * (c) 2022 chartjs-adapter-moment Contributors
  * Released under the MIT license
  */
(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('moment'), require('chart.js')) :
        typeof define === 'function' && define.amd ? define(['moment', 'chart.js'], factory) :
            (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.moment, global.Chart));
}(this, (function (moment, chart_js) { 'use strict';

    function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

    var moment__default = /*#__PURE__*/_interopDefaultLegacy(moment);

    const FORMATS = {
        datetime: 'MMM D, YYYY, h:mm:ss a',
        millisecond: 'h:mm:ss.SSS a',
        second: 'h:mm:ss a',
        minute: 'h:mm a',
        hour: 'hA',
        day: 'MMM D',
        week: 'll',
        month: 'MMM YYYY',
        quarter: '[Q]Q - YYYY',
        year: 'YYYY'
    };

    chart_js._adapters._date.override(typeof moment__default['default'] === 'function' ? {
        _id: 'moment', // DEBUG ONLY

        formats: function() {
            return FORMATS;
        },

        parse: function(value, format) {
            if (typeof value === 'string' && typeof format === 'string') {
                value = moment__default['default'](value, format);
            } else if (!(value instanceof moment__default['default'])) {
                value = moment__default['default'](value);
            }
            return value.isValid() ? value.valueOf() : null;
        },

        format: function(time, format) {
            return moment__default['default'](time).format(format);
        },

        add: function(time, amount, unit) {
            return moment__default['default'](time).add(amount, unit).valueOf();
        },

        diff: function(max, min, unit) {
            return moment__default['default'](max).diff(moment__default['default'](min), unit);
        },

        startOf: function(time, unit, weekday) {
            time = moment__default['default'](time);
            if (unit === 'isoWeek') {
                weekday = Math.trunc(Math.min(Math.max(0, weekday), 6));
                return time.isoWeekday(weekday).startOf('day').valueOf();
            }
            return time.startOf(unit).valueOf();
        },

        endOf: function(time, unit) {
            return moment__default['default'](time).endOf(unit).valueOf();
        }
    } : {});

})));
