chartjs-adapter-moment.js

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/*!
  * 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();
      }
    } : {});
    
    })));