@zener/nepali-date/dist/index.js

Nepali Date is a lightweight utility designed to handle Nepali dates.

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/nepali-date/index.ts
var nepali_date_exports = {};
__export(nepali_date_exports, {
  AD_MONTH: () => AD_MONTH,
  AD_MONTH_FULL: () => AD_MONTH_FULL,
  AD_MONTH_NEPALI: () => AD_MONTH_NEPALI,
  ENGLISH_NEPALI_MONTH: () => ENGLISH_NEPALI_MONTH,
  ENGLISH_WEEK: () => ENGLISH_WEEK,
  ENGLISH_WEEK_FULL: () => ENGLISH_WEEK_FULL,
  NEPALI_DIGITS: () => NEPALI_DIGITS,
  NEPALI_MONTH: () => NEPALI_MONTH,
  NEPALI_TODAY: () => NEPALI_TODAY,
  NEPALI_WEEK: () => NEPALI_WEEK,
  NEPALI_WEEK_FULL: () => NEPALI_WEEK_FULL,
  default: () => nepali_date_default2,
  formatADDate: () => formatADDate,
  lowerADDate: () => lowerADDate,
  startDateBS: () => startDateBS,
  toAD: () => findADfromBS,
  toBS: () => findBSfromAD,
  yearMonthDays: () => yearMonthDays
});
module.exports = __toCommonJS(nepali_date_exports);

// src/utils/data.ts
var startDateAD = 19430414;
var startDateBS = 20000101;
var lowerADDate = -621355968e5;
var yearMonthDays = [
  [30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  // 2000 BS
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  // 2010
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  [31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30],
  // 2020
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  [31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 31, 32, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  // 2030
  [30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [30, 32, 31, 32, 31, 31, 29, 30, 30, 29, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  // 2040
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  // 2050
  [31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 31, 32, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  // 2060
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [30, 32, 31, 32, 31, 31, 29, 30, 29, 30, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 29, 31],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 29, 30, 30, 29, 30, 30],
  // 2070
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 31],
  [31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  [31, 31, 31, 32, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 29, 30, 30],
  // 2080
  [31, 32, 31, 32, 31, 30, 30, 30, 29, 30, 29, 31],
  // 2081 BS
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  // 2082
  [31, 31, 32, 31, 31, 31, 30, 29, 30, 29, 30, 30],
  // 2083
  [31, 31, 32, 31, 31, 30, 30, 30, 29, 30, 30, 30],
  // 2084
  [31, 32, 31, 32, 30, 31, 30, 30, 29, 30, 30, 30],
  // 2085
  [30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 30, 30],
  // 2086
  [31, 31, 32, 31, 31, 31, 30, 30, 29, 30, 30, 30],
  // 2087
  [30, 31, 32, 32, 30, 31, 30, 30, 29, 30, 30, 30],
  // 2088
  [30, 32, 31, 32, 31, 30, 30, 30, 29, 30, 30, 30]
  // 2089
];
var baishakOne = [
  19430414,
  19440413,
  19450413,
  19460413,
  19470414,
  19480413,
  19490413,
  19500413,
  19510414,
  19520413,
  19530413,
  19540413,
  19550414,
  19560413,
  19570413,
  19580413,
  19590414,
  19600413,
  19610413,
  19620413,
  19630414,
  19640413,
  19650413,
  19660413,
  19670414,
  19680413,
  19690413,
  19700414,
  19710414,
  19720413,
  19730413,
  19740414,
  19750414,
  19760413,
  19770413,
  19780414,
  19790414,
  19800413,
  19810413,
  19820414,
  19830414,
  19840413,
  19850413,
  19860414,
  19870414,
  19880413,
  19890413,
  19900414,
  19910414,
  19920413,
  19930413,
  19940414,
  19950414,
  19960413,
  19970413,
  19980414,
  19990414,
  20000413,
  20010414,
  20020414,
  20030414,
  20040413,
  20050414,
  20060414,
  20070414,
  20080413,
  20090414,
  20100414,
  20110414,
  20120413,
  20130414,
  20140414,
  20150414,
  20160413,
  20170414,
  20180414,
  20190414,
  20200413,
  20210414,
  20220414,
  20230414,
  20240413,
  20250414,
  20260414,
  20270414,
  20280413,
  20290414,
  20300414,
  20310415,
  20320414,
  20330414
];
var ENGLISH_WEEK = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"];
var ENGLISH_WEEK_FULL = [
  "Sunday",
  "Monday",
  "Tuesday",
  "Wednesday",
  "Thursday",
  "Friday",
  "Saturday"
];
var NEPALI_DIGITS = {
  "0": "\u0966",
  "1": "\u0967",
  "2": "\u0968",
  "3": "\u0969",
  "4": "\u096A",
  "5": "\u096B",
  "6": "\u096C",
  "7": "\u096D",
  "8": "\u096E",
  "9": "\u096F"
};
var NEPALI_WEEK = [
  "\u0906\u0907\u0924",
  "\u0938\u094B\u092E",
  "\u092E\u0902\u0917\u0932",
  "\u092C\u0941\u0927",
  "\u092C\u093F\u0939\u093F",
  "\u0936\u0941\u0915\u094D\u0930",
  "\u0936\u0928\u093F"
];
var NEPALI_WEEK_FULL = [
  "\u0906\u0907\u0924\u092C\u093E\u0930",
  "\u0938\u094B\u092E\u092C\u093E\u0930",
  "\u092E\u0902\u0917\u0932\u092C\u093E\u0930",
  "\u092C\u0941\u0927\u092C\u093E\u0930",
  "\u092C\u093F\u0939\u0940\u092C\u093E\u0930",
  "\u0936\u0941\u0915\u094D\u0930\u092C\u093E\u0930",
  "\u0936\u0928\u093F\u092C\u093E\u0930"
];
var ENGLISH_NEPALI_MONTH = [
  "Baisakh",
  "Jestha",
  "Asar",
  "Shrawan",
  "Bhadra",
  "Aswin",
  "Kartik",
  "Mangsir",
  "Poush",
  "Magh",
  "Falgun",
  "Chaitra"
];
var NEPALI_MONTH = [
  "\u092C\u0948\u0936\u093E\u0916",
  "\u091C\u0947\u0920",
  "\u0905\u0938\u093E\u0930",
  "\u0936\u094D\u0930\u093E\u0935\u0923",
  "\u092D\u093E\u0926\u094D\u0930",
  "\u0906\u0936\u094D\u0935\u093F\u0928",
  "\u0915\u093E\u0930\u094D\u0924\u093F\u0915",
  "\u092E\u0902\u0938\u093F\u0930",
  "\u092A\u094C\u0937",
  "\u092E\u093E\u0918",
  "\u092B\u093E\u0932\u094D\u0917\u0941\u0923",
  "\u091A\u0948\u0924\u094D\u0930"
];
var AD_MONTH = [
  "Jan",
  "Feb",
  "Mar",
  "Apr",
  "May",
  "Jun",
  "Jul",
  "Aug",
  "Sep",
  "Oct",
  "Nov",
  "Dec"
];
var AD_MONTH_FULL = [
  "January",
  "February",
  "March",
  "April",
  "May",
  "June",
  "July",
  "August",
  "September",
  "October",
  "November",
  "December"
];
var AD_MONTH_NEPALI = [
  "\u091C\u0928\u0935\u0930\u0940",
  "\u092B\u0947\u092C\u094D\u0930\u0941\u0905\u0930\u0940",
  "\u092E\u093E\u0930\u094D\u091A",
  "\u0905\u092A\u094D\u0930\u093F\u0932",
  "\u092E\u0947",
  "\u091C\u0941\u0928",
  "\u091C\u0941\u0932\u093E\u0908",
  "\u0905\u0917\u0938\u094D\u091F",
  "\u0938\u0947\u092A\u094D\u091F\u0947\u092E\u094D\u092C\u0930",
  "\u0905\u0915\u094D\u091F\u094B\u092C\u0930",
  "\u0928\u094B\u092D\u0947\u092E\u094D\u092C\u0930",
  "\u0921\u093F\u0938\u0947\u092E\u094D\u092C\u0930"
];
var NEPALI_TODAY = "\u0906\u091C";

// src/utils/commons.ts
var reg = /^\d{4}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[012])$/;
var engToNepaliNumber = (number) => {
  return number.toString().split("").map((n) => NEPALI_DIGITS[n]).join("");
};
var engToNepNumberFullDate = (date) => {
  return date.split("").map((d) => {
    if (d !== "-") {
      return NEPALI_DIGITS[d];
    }
    return "-";
  }).join("");
};
var parseDate = (date) => {
  if (reg.test(date)) {
    const dd = date.split("-");
    if (dd.length !== 3) {
      return null;
    }
    const y = parseInt(dd[0], 10);
    const m = parseInt(dd[1], 10);
    const d = parseInt(dd[2], 10);
    return { date: d, year: y, month: m };
  }
  return null;
};
var padZero = (num) => `${num}`.padStart(2, "0");
var convertLang = (value, lang) => lang === "en" ? value : engToNepaliNumber(value);
var formatADDate = (date, format = "", lang = "en") => {
  const enYYYY = date.getFullYear();
  const enYY = String(enYYYY).slice(-2);
  const enM = date.getMonth() + 1;
  const enD = date.getDate();
  const enDD = padZero(enD);
  const enMM = padZero(enM);
  const end = date.getDay();
  const dateObj = {
    year: enYYYY,
    month: enM,
    date: enD
  };
  const strDateObj = stringDateFormatter(dateObj);
  if (!format) {
    return lang === "en" ? strDateObj : engToNepNumberFullDate(strDateObj);
  }
  const DD = convertLang(enDD, lang);
  const D = convertLang(enD, lang);
  const YYYY = convertLang(enYYYY, lang);
  const YY = convertLang(enYY, lang);
  const M = convertLang(enM, lang);
  const MM = convertLang(enMM, lang);
  const MMM = lang === "en" ? AD_MONTH[date.getMonth()] : AD_MONTH_NEPALI[date.getMonth()];
  const MMMM = lang === "en" ? AD_MONTH_FULL[date.getMonth()] : AD_MONTH_NEPALI[date.getMonth()];
  const d = convertLang(end, lang);
  const dd = lang === "en" ? ENGLISH_WEEK[end] : NEPALI_WEEK[end];
  const ddd = lang === "en" ? ENGLISH_WEEK_FULL[end].slice(0, 3) : NEPALI_WEEK[end];
  const dddd = lang === "en" ? ENGLISH_WEEK_FULL[end] : NEPALI_WEEK_FULL[end];
  const replacements = {
    DD,
    D,
    YYYY,
    YY,
    M,
    MM,
    MMM,
    MMMM,
    d,
    // Abbreviated day name
    dd,
    // Abbreviated day name
    ddd,
    // Abbreviated day name
    dddd
    // Full day name
  };
  const tokenReg = /(\[.*?\])|(MMMM|MMM|dddd|ddd|dd|d|DD|D|MM|M|YYYY|YY)/g;
  return format.replace(tokenReg, (match, literal) => {
    if (literal) {
      return literal.slice(1, -1);
    }
    return replacements[match];
  });
};

// src/utils/calendar.ts
var toInt = (value) => ~~value;
var yearDivider = 1e4;
var monthDivider = 100;
var padTwo = (v) => `${v}`.padStart(2, "0");
var padFour = (v) => `${v}`.padStart(4, "0");
var stringDateFormatter = ({ year, month, date }) => `${padFour(year)}-${padTwo(month)}-${padTwo(date)}`;
var getDateFromNumber = (n) => {
  const year = toInt(n / yearDivider);
  const month = toInt(n % yearDivider / monthDivider);
  const date = n % (yearDivider / monthDivider);
  const dateData = { year, month, date };
  return {
    ...dateData,
    toString: () => stringDateFormatter(dateData)
  };
};
var getBSYearIndexFromAd = (year) => {
  const startADYear = getDateFromNumber(startDateAD).year;
  if (year < startADYear) {
    throw new Error(`Invalid year, year should be greater than ${startADYear}`);
  }
  return year - startADYear;
};
var getBSYearIndexFromBS = (year) => {
  const startBSYear = getDateFromNumber(startDateBS).year;
  if (year < startBSYear) {
    throw new Error(`Invalid year, year should be greater than ${startBSYear}`);
  }
  return year - startBSYear;
};
var getDays = (a, b) => (a.getTime() - b.getTime()) / (1e3 * 3600 * 24) + 1;
var nepaliDateExtractor = (datestring) => {
  if (!datestring) {
    throw new Error("Invalid Date");
  }
  const startBSDate = getDateFromNumber(startDateBS);
  const datesplit = datestring.split("-");
  if (datesplit.length !== 3) {
    throw new Error("Invalid Date");
  }
  const year = parseInt(datesplit[0], 10);
  const month = parseInt(datesplit[1], 10);
  const date = parseInt(datesplit[2], 10);
  if (year < startBSDate.year || year > startBSDate.year + yearMonthDays.length - 1 || date <= 0 || date > 32 || month > 12 || month < 0) {
    throw new Error("Invalid Date");
  }
  return { year, month, date };
};
var findADfromBS = (date) => {
  const d = nepaliDateExtractor(date);
  const year = d.year - getDateFromNumber(startDateBS).year;
  let days = 0;
  for (let x = 0; x < d.month - 1; x++) {
    days += yearMonthDays[year][x];
  }
  days += d.date - 1;
  const adIndexDate = getDateFromNumber(baishakOne[year]);
  const currentDate = new Date(stringDateFormatter({ ...adIndexDate }));
  currentDate.setDate(adIndexDate.date + days);
  const dateData = {
    year: currentDate.getFullYear(),
    month: currentDate.getMonth(),
    date: currentDate.getDate()
  };
  return {
    ...dateData,
    toString: () => stringDateFormatter({ ...dateData, month: dateData.month + 1 })
  };
};
var findBSfromAD = (date) => {
  const d = new Date(date);
  const adYear = d.getFullYear();
  let yearIndex = getBSYearIndexFromAd(adYear);
  let baishakOneInADForGivenYear = getDateFromNumber(baishakOne[yearIndex]);
  let dateForBaishakOneInADForGivenYear = new Date(
    baishakOneInADForGivenYear.toString()
  );
  let days = getDays(d, dateForBaishakOneInADForGivenYear);
  if (days <= 0) {
    yearIndex -= 1;
    baishakOneInADForGivenYear = getDateFromNumber(baishakOne[yearIndex]);
    dateForBaishakOneInADForGivenYear = new Date(
      baishakOneInADForGivenYear.toString()
    );
    days = getDays(d, dateForBaishakOneInADForGivenYear);
  }
  const startBSDate = getDateFromNumber(startDateBS);
  if (yearIndex + startBSDate.year > startBSDate.year + yearMonthDays.length - 1 || yearIndex + startBSDate.year < startBSDate.year) {
    throw new Error("Invalid date");
  }
  const currentBSYearMonths = yearMonthDays[yearIndex];
  let totalMonths = 0;
  let totalDays = 0;
  for (let x = 0; x < days; x++) {
    totalDays += 1;
    if (totalDays > currentBSYearMonths[totalMonths]) {
      totalMonths += 1;
      totalDays = 1;
      continue;
    }
  }
  const dateData = {
    year: yearIndex + getDateFromNumber(startDateBS).year,
    month: totalMonths,
    date: totalDays
  };
  return {
    ...dateData,
    toString: () => stringDateFormatter({ ...dateData, month: dateData.month + 1 })
  };
};
var getCurrentDate = ({ type = "np" }) => {
  const date = /* @__PURE__ */ new Date();
  const formatDate = (date2) => {
    const year = date2.getFullYear();
    const month = String(date2.getMonth() + 1).padStart(2, "0");
    const day = String(date2.getDate()).padStart(2, "0");
    return `${year}-${month}-${day}`;
  };
  switch (type) {
    case "en":
      return {
        year: date.getFullYear(),
        month: date.getMonth(),
        date: date.getDate(),
        day: date.getDay()
      };
    case "np":
    default:
      return { ...findBSfromAD(formatDate(date)), day: date.getDay() };
  }
};
var manipulate = (currentDate, value) => {
  const parsed = parseDate(currentDate);
  if (parsed) {
    return parsed;
  } else {
    throw Error(
      `Invalid date ${currentDate} to ${value < 0 ? "subtract" : "add"}.`
    );
  }
};
var manipulateDays = (currentDate, days) => {
  const parsed = manipulate(currentDate, days);
  const ad = findADfromBS(stringDateFormatter(parsed));
  const date = new Date(ad.toString());
  date.setDate(date.getDate() + days);
  try {
    return findBSfromAD(
      stringDateFormatter({
        year: date.getFullYear(),
        month: date.getMonth() + 1,
        date: date.getDate()
      })
    );
  } catch (err) {
    if (days < 0) {
      throw Error(
        `Cannot subtract day(s). Subtracting ${Math.abs(days)} day(s) results in date smaller than ${getDateFromNumber(startDateBS).year}`
      );
    }
    throw Error(
      `Cannot add day(s). Adding ${Math.abs(days)} day(s) results in date greater than ${getDateFromNumber(startDateBS).year + yearMonthDays.length - 1}`
    );
  }
};
var manipulateWeeks = (currentDate, weeks) => {
  const parsed = manipulate(currentDate, weeks);
  const ad = findADfromBS(stringDateFormatter(parsed));
  const date = new Date(ad.toString());
  date.setDate(date.getDate() + weeks * 7);
  try {
    return findBSfromAD(
      stringDateFormatter({
        year: date.getFullYear(),
        month: date.getMonth() + 1,
        date: date.getDate()
      })
    );
  } catch (err) {
    if (weeks < 0) {
      throw Error(
        `Cannot subtract week(s). Subtracting ${Math.abs(weeks)} week(s) results in date smaller than ${getDateFromNumber(startDateBS).year}`
      );
    }
    throw Error(
      `Cannot add week(s). Adding ${Math.abs(weeks)} week(s) results in date greater than ${getDateFromNumber(startDateBS).year + yearMonthDays.length - 1}`
    );
  }
};
var manipulateMonths = (currentDate, months) => {
  const parsed = manipulate(currentDate, months);
  const { year, month, date } = parsed;
  let yearIndex = getBSYearIndexFromBS(year);
  let incMonth = month - 1 + months;
  yearIndex += Math.floor(incMonth / 12);
  if (yearIndex > yearMonthDays.length - 1 || yearIndex < 0) {
    if (months < 0) {
      throw Error(
        `Cannot subtract month(s). Subtracting ${Math.abs(months)} month(s) results in date smaller than ${getDateFromNumber(startDateBS).year}`
      );
    }
    throw Error(
      `Cannot add month(s). Adding ${Math.abs(months)} month(s) results in date greater than ${getDateFromNumber(startDateBS).year + yearMonthDays.length - 1}`
    );
  }
  incMonth %= 12;
  if (incMonth < 0) {
    incMonth = 12 + incMonth;
  }
  let incDate = date;
  const daysInIncMonth = yearMonthDays[yearIndex][incMonth];
  if (incDate > daysInIncMonth) {
    incMonth += 1;
    incDate -= daysInIncMonth;
    if (incMonth > 11) {
      incMonth = 0;
      yearIndex += 1;
    }
  }
  if (yearIndex > yearMonthDays.length - 1 || yearIndex < 0) {
    if (months < 0) {
      throw Error(
        `Cannot subtract month(s). Subtracting ${Math.abs(months)} month(s) results in date smaller than ${getDateFromNumber(startDateBS).year}`
      );
    }
    throw Error(
      `Cannot add month(s). Adding ${Math.abs(months)} month(s) results in date greater than ${getDateFromNumber(startDateBS).year + yearMonthDays.length - 1}`
    );
  }
  return {
    year: getDateFromNumber(startDateBS).year + yearIndex,
    month: incMonth,
    date: incDate
  };
};
var manipulateYears = (currentDate, years) => {
  const parsed = manipulate(currentDate, years);
  const { year, month, date } = parsed;
  let yearIndex = getBSYearIndexFromBS(year);
  yearIndex += years;
  if (yearIndex > yearMonthDays.length - 1 || yearIndex < 0) {
    if (years < 0) {
      throw Error(
        `Cannot subtract year(s). Subtracting ${Math.abs(years)} year(s) results in date smaller than ${getDateFromNumber(startDateBS).year}`
      );
    }
    throw Error(
      `Cannot add year(s). Adding ${Math.abs(years)} year(s) results in date greater than ${getDateFromNumber(startDateBS).year + yearMonthDays.length - 1}`
    );
  }
  let incMonth = month - 1;
  const daysInIncMonth = yearMonthDays[yearIndex][incMonth];
  let incDate = date;
  if (incDate > daysInIncMonth) {
    incMonth += 1;
    incDate -= daysInIncMonth;
    if (incMonth > 11) {
      incMonth = 0;
      yearIndex += 1;
    }
  }
  if (yearIndex > yearMonthDays.length - 1 || yearIndex < 0) {
    if (years < 0) {
      throw Error(
        `Cannot subtract year(s). Subtracting ${Math.abs(years)} year(s) results in date smaller than ${getDateFromNumber(startDateBS).year}`
      );
    }
    throw Error(
      `Cannot add year(s). Adding ${Math.abs(years)} year(s) results in date greater than ${getDateFromNumber(startDateBS).year + yearMonthDays.length - 1}`
    );
  }
  return {
    year: getDateFromNumber(startDateBS).year + yearIndex,
    month: incMonth,
    date: incDate
  };
};

// src/nepali-date/nepali-date.ts
var NepaliDate = class _NepaliDate {
  #year = 2e3;
  #month = 0;
  #date = 1;
  #adDate = /* @__PURE__ */ new Date();
  constructor(yearOrValue, month, date) {
    if (typeof yearOrValue === "number") {
      this.#year = yearOrValue;
      this.#month = month;
      this.#date = date;
      this.#setADDate();
    } else if (typeof yearOrValue === "string" || yearOrValue instanceof _NepaliDate || yearOrValue instanceof Date) {
      if (typeof yearOrValue === "string") {
        const parsed = parseDate(yearOrValue);
        if (!parsed) {
          throw new Error("Invalid date");
        }
        this.#year = parsed.year;
        this.#month = parsed.month - 1;
        this.#date = parsed.date;
      } else if (yearOrValue instanceof _NepaliDate) {
        this.#year = yearOrValue.#year;
        this.#month = yearOrValue.#month;
        this.#date = yearOrValue.#date;
      } else {
        const adDate = yearOrValue;
        const stringDate = stringDateFormatter({
          year: adDate.getFullYear(),
          month: adDate.getMonth() + 1,
          date: adDate.getDate()
        });
        const d = findBSfromAD(stringDate);
        this.#year = d.year;
        this.#month = d.month;
        this.#date = d.date;
      }
    } else {
      const today = getCurrentDate({ type: "np" });
      this.#year = today.year;
      this.#month = today.month;
      this.#date = today.date;
    }
    this.#setADDate();
  }
  #setADDate = () => {
    this.#adDate = new Date(
      findADfromBS(
        stringDateFormatter({
          year: this.#year,
          month: this.#month + 1,
          date: this.#date
        })
      ).toString()
    );
  };
  format(format = "", lang = "en") {
    if (!format) {
      return this.toString(lang);
    }
    const date = padZero(this.getDate("en"));
    const month = padZero(this.#month + 1);
    const replacements = {
      DD: lang === "en" ? date : engToNepaliNumber(date),
      D: this.getDate(lang),
      YYYY: String(this.getFullYear(lang)),
      YY: String(this.getFullYear(lang)).slice(-2),
      M: lang === "en" ? this.#month + 1 : engToNepaliNumber(this.#month + 1),
      MM: lang === "en" ? month : engToNepaliNumber(month),
      MMM: lang === "en" ? this.getMonthName(lang).slice(0, 3) : this.getMonthName(lang),
      MMMM: this.getMonthName(lang),
      d: this.getDay(lang),
      // Abbreviated day name
      dd: lang === "en" ? this.getDayNameFull(lang).slice(0, 2) : this.getDayName(lang),
      // Abbreviated day name
      ddd: lang === "en" ? this.getDayNameFull(lang).slice(0, 3) : this.getDayName(lang),
      // Abbreviated day name
      dddd: this.getDayNameFull(lang)
      // Full day name
    };
    const tokenReg = /(\[.*?\])|(MMMM|MMM|dddd|ddd|dd|d|DD|D|MM|M|YYYY|YY)/g;
    return format.replace(tokenReg, (match, literal) => {
      if (literal) {
        return literal.slice(1, -1);
      }
      return replacements[match];
    });
  }
  toString(lang = "en") {
    const d = stringDateFormatter({
      year: this.#year,
      month: this.#month + 1,
      date: this.#date
    });
    switch (lang) {
      case "en":
        return d;
      case "np":
      default: {
        return engToNepNumberFullDate(d);
      }
    }
  }
  toJson(lang = "en") {
    const d = {
      year: this.#year,
      month: this.#month,
      date: this.#date,
      day: this.#adDate.getDay()
    };
    switch (lang) {
      case "en":
        return d;
      case "np":
      default: {
        return {
          year: engToNepaliNumber(this.#year),
          month: engToNepaliNumber(this.#month),
          date: engToNepaliNumber(this.#date),
          day: engToNepaliNumber(this.#adDate.getDay())
        };
      }
    }
  }
  toAD(lang = "en") {
    const d = findADfromBS(
      stringDateFormatter({
        year: this.#year,
        month: this.#month + 1,
        date: this.#date
      })
    );
    switch (lang) {
      case "en":
        return d;
      case "np":
      default: {
        return {
          year: engToNepaliNumber(d.year),
          month: engToNepaliNumber(d.month),
          date: engToNepaliNumber(d.date),
          toString: () => engToNepNumberFullDate(d.toString())
        };
      }
    }
  }
  toADasDate() {
    return new Date(this.toAD("en").toString());
  }
  getFullYear(lang = "en") {
    return lang === "en" ? this.#year : engToNepaliNumber(this.#year);
  }
  getMonth(lang = "en") {
    return lang === "en" ? this.#month : engToNepaliNumber(this.#month);
  }
  getMonthName(lang = "en") {
    return this.#getMonthByIndex(this.#month, lang);
  }
  #getMonthByIndex(index, lang = "en") {
    if (index < 0 || index > 11) {
      throw new Error("Invalid month");
    }
    return lang === "en" ? ENGLISH_NEPALI_MONTH[index] : NEPALI_MONTH[index];
  }
  getDate(lang = "en") {
    return lang === "en" ? this.#date : engToNepaliNumber(this.#date);
  }
  getDay(lang = "en") {
    return lang === "en" ? this.#adDate.getDay() : engToNepaliNumber(this.#adDate.getDay());
  }
  getDayName(lang = "en") {
    return this.#getDayByIndex(this.#adDate.getDay(), lang, false);
  }
  getDayNameFull(lang = "en") {
    return this.#getDayByIndex(this.#adDate.getDay(), lang, true);
  }
  #getDayByIndex(index, lang = "en", full = false) {
    if (index < 0 || index > 6) {
      throw new Error("Invalid day");
    }
    if (full) {
      return lang === "en" ? ENGLISH_WEEK_FULL[index] : NEPALI_WEEK_FULL[index];
    }
    return lang === "en" ? ENGLISH_WEEK[index] : NEPALI_WEEK[index];
  }
  #manipulate(v, type) {
    const cDate = this.toString();
    switch (type) {
      case "day":
      case "d":
        return manipulateDays(cDate, v);
      case "week":
      case "w":
        return manipulateWeeks(cDate, v);
      case "month":
      case "m":
        return manipulateMonths(cDate, v);
      case "year":
      case "y":
        return manipulateYears(cDate, v);
      default:
        throw Error(
          "Invalid type. Type must be one of 'day'|'month'|'year'|'d'|'m'|'y'"
        );
    }
  }
  subtract(value, type) {
    const v = -Math.abs(value);
    const m = this.#manipulate(v, type);
    return new _NepaliDate(m.year, m.month, m.date);
  }
  add(value, type) {
    const v = Math.abs(value);
    const m = this.#manipulate(v, type);
    return new _NepaliDate(m.year, m.month, m.date);
  }
  setDate(date) {
    if (date > 0) {
      if (date >= this.#date) {
        const dateToAdd = date - this.#date;
        try {
          const {
            year,
            month,
            date: d
          } = this.add(dateToAdd, "d").toJson("en");
          this.#date = d;
          this.#year = year;
          this.#month = month;
          this.#setADDate();
        } catch {
          throw Error(`Date exceeds limit.`);
        }
      } else {
        this.#date = date;
      }
    } else {
      this.#date = 1;
      try {
        const {
          year,
          month,
          date: d
        } = this.subtract(date - 1, "d").toJson("en");
        this.#date = d;
        this.#year = year;
        this.#month = month;
        this.#setADDate();
      } catch {
        throw Error(`Date exceeds limit.`);
      }
    }
  }
  setMonth(month) {
    if (month >= 0) {
      if (month >= this.#month) {
        const monthToAdd = month - this.#month;
        try {
          const {
            year,
            month: m,
            date
          } = this.add(monthToAdd, "m").toJson("en");
          this.#date = date;
          this.#year = year;
          this.#month = m;
          this.#setADDate();
        } catch {
          throw Error(`Date exceeds limit.`);
        }
      } else {
        this.#month = month;
      }
    } else {
      this.#month = 0;
      try {
        const { year, month: m, date } = this.subtract(month, "m").toJson("en");
        this.#date = date;
        this.#year = year;
        this.#month = m;
        this.#setADDate();
      } catch {
        throw Error(`Date exceeds limit.`);
      }
    }
  }
  setFullYear(year) {
    const sDate = getDateFromNumber(startDateBS).year;
    if (year < sDate) {
      throw Error(`Invalid year. Year cannot be less than $${sDate}`);
    } else {
      this.#year = year;
    }
  }
  static now(lang = "en") {
    const d = getCurrentDate({ type: "np" });
    return lang === "en" ? d : {
      year: engToNepaliNumber(d.year),
      month: engToNepaliNumber(d.month),
      date: engToNepaliNumber(d.date),
      day: engToNepaliNumber(d.day),
      toString: () => engToNepNumberFullDate(d.toString())
    };
  }
};
var nepali_date_default = NepaliDate;

// src/nepali-date/index.ts
var nepali_date_default2 = nepali_date_default;