nep-datepicker
Version:
The Angular Nepali Datepicker is an npm package designed to integrate a Nepali date picker component into Angular applications.
194 lines • 27.5 kB
JavaScript
import { Injectable } from '@angular/core';
import { englishLeapMonths, englishMonths, nepaliMonths, } from '../constants/data';
import * as i0 from "@angular/core";
export class NepaliDatepickerAngularPrivateService {
constructor() {
this.englishMonths = englishMonths;
this.englishLeapMonths = englishLeapMonths;
this.nepaliMonths = nepaliMonths;
this.dateSeparatedCharacters = ['/', '-'];
}
setCurrentNepaliDate() {
let today = new Date();
return this.engToNepDate(today.getDate(), today.getMonth(), today.getFullYear());
}
//English to Nepali date conversion
engToNepDate(date, month, year) {
if (!this.isEnglishRange(date, month, year)) {
throw new Error('Invalid date Only date between 1944 and 2043.');
}
this.englishYear = year;
this.englishMonth = month + 1;
this.englishDate = date;
//Setting nepali reference to 2000/1/1 with english date 1943/4/14
this.nepaliYear = 2000;
this.nepaliMonth = 1;
this.nepaliDate = 1;
let difference = this.getEnglishDateDifference(1943, 4, 14);
let index = 0;
while (difference >= this.nepaliYearDays(index)) {
this.nepaliYear++;
difference = difference - this.nepaliYearDays(index);
index++;
}
let i = 0;
while (difference >= this.nepaliMonths[index][i]) {
difference = difference - this.nepaliMonths[index][i];
this.nepaliMonth++;
i++;
}
this.nepaliMonth--;
this.nepaliDate = this.nepaliDate + difference;
return {
day: this.nepaliDate,
month: this.nepaliMonth,
year: this.nepaliYear,
};
}
toEnglishString(format) {
if (typeof format === 'undefined')
format = '-';
return (this.englishYear + format + this.englishMonth + format + this.englishDate);
}
getEnglishDateDifference(year, month, date) {
let difference = this.countTotalEnglishDays(this.englishYear, this.englishMonth, this.englishDate) - this.countTotalEnglishDays(year, month, date);
return difference < 0 ? -difference : difference;
}
countTotalEnglishDays(year, month, date) {
let totalDays = year * 365 + date;
for (let i = 0; i < month - 1; i++)
totalDays = totalDays + this.englishMonths[i];
totalDays = totalDays + this.countleap(year, month);
return totalDays;
}
countleap(year, month) {
if (month <= 2)
year--;
return (Math.floor(year / 4) - Math.floor(year / 100) + Math.floor(year / 400));
}
isEnglishRange(date, month, year) {
if (year < 1944 || year > 2043)
return false;
if (month < 0 || month > 11) {
throw new Error('Invalid Date');
}
if (date < 1 || date > 31) {
throw new Error('Invalid Date');
}
return true;
}
isLeapYear(year) {
if (year % 4 === 0) {
return year % 100 === 0 ? year % 400 === 0 : true;
}
else
return false;
}
nepToEngDate(date, month, year) {
if (!this.isNepaliRange(date, month, year)) {
throw new Error('Invalid date, Only date between 2000 and 2099.');
}
this.nepaliYear = year;
this.nepaliMonth = month + 1;
this.nepaliDate = date;
this.englishYear = 1944;
this.englishMonth = 1;
this.englishDate = 1;
let difference = this.getNepaliDateDifference(2000, 9, 17);
while (difference >= (this.isLeapYear(this.englishYear) ? 366 : 365)) {
difference = difference - (this.isLeapYear(this.englishYear) ? 366 : 365);
this.englishYear++;
}
let monthDays = this.isLeapYear(this.englishYear)
? this.englishLeapMonths
: this.englishMonths;
let i = 0;
while (difference >= monthDays[i]) {
this.englishMonth++;
difference = difference - monthDays[i];
i++;
}
this.englishDate = this.englishDate + difference;
return new Date(this.englishYear + '-' + this.englishMonth + '-' + this.englishDate);
}
toNepaliString(format) {
if (typeof format === 'undefined')
format = '-';
return (this.nepaliYear + format + this.nepaliMonth + format + this.nepaliDate);
}
getNepaliDateDifference(year, month, date) {
const a = this.countTotalNepaliDays(this.nepaliYear, this.nepaliMonth, this.nepaliDate);
const b = this.countTotalNepaliDays(year, month, date);
let difference = a - b;
return difference < 0 ? -difference : difference;
}
countTotalNepaliDays(year, month, date) {
let total = 0;
if (year < 2000)
return 0;
total = total + (date - 1);
let yearIndex = year - 2000;
for (let i = 0; i < month - 1; i++)
total = total + this.nepaliMonths[yearIndex][i];
for (let i = 0; i < yearIndex; i++)
total = total + this.nepaliYearDays(i);
return total;
}
nepaliYearDays(index) {
let total = 0;
for (let i = 0; i < 12; i++)
total += this.nepaliMonths[index][i];
return total;
}
isNepaliRange(date, month, year) {
if (year < 2000 || year > 2099)
return false;
if (month < 0 || month > 11) {
throw new Error('Invalid Date');
}
if (date < 1 || date > this.nepaliMonths[year - 2000][month]) {
throw new Error('Invalid Date');
}
return true;
}
formatDate(date, format) {
const subDates = date.split('/');
const regex = {
year: /y{2,4}/i,
month: /m{1,2}/i,
day: /d{1,2}/i,
};
format = format.replace(regex.year, subDates[0]);
format = format.replace(regex.month, subDates[1]);
format = format.replace(regex.day, subDates[2]);
return format;
}
changeStructure(value) {
value = value.split('T')[0];
let separatedCharacter;
for (let i = 0; i < this.dateSeparatedCharacters.length; i++) {
const character = this.dateSeparatedCharacters[i];
if (value.indexOf(character) !== -1) {
separatedCharacter = character;
break;
}
}
if (!separatedCharacter)
return;
const splittedDate = value.split(separatedCharacter);
return {
year: Number(splittedDate[0]),
month: Number(splittedDate[1]) - 1,
day: Number(splittedDate[2]),
};
}
}
NepaliDatepickerAngularPrivateService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.0.5", ngImport: i0, type: NepaliDatepickerAngularPrivateService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
NepaliDatepickerAngularPrivateService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "12.0.5", ngImport: i0, type: NepaliDatepickerAngularPrivateService, providedIn: 'root' });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.0.5", ngImport: i0, type: NepaliDatepickerAngularPrivateService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root',
}]
}], ctorParameters: function () { return []; } });
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{ Injectable } from '@angular/core';\r\nimport {\r\n  englishLeapMonths,\r\n  englishMonths,\r\n  nepaliMonths,\r\n} from '../constants/data';\r\n\r\n@Injectable({\r\n  providedIn: 'root',\r\n})\r\nexport class NepaliDatepickerAngularPrivateService {\r\n  englishMonths = englishMonths;\r\n  englishLeapMonths = englishLeapMonths;\r\n  nepaliMonths = nepaliMonths;\r\n  englishYear: any;\r\n  englishMonth: any;\r\n  englishDate: any;\r\n  nepaliYear: any;\r\n  nepaliMonth: any;\r\n  nepaliDate: any;\r\n\r\n  weekDay: any;\r\n  dateSeparatedCharacters = ['/', '-'];\r\n\r\n  constructor() {}\r\n\r\n  setCurrentNepaliDate() {\r\n    let today = new Date();\r\n    return this.engToNepDate(\r\n      today.getDate(),\r\n      today.getMonth(),\r\n      today.getFullYear()\r\n    );\r\n  }\r\n\r\n  //English to Nepali date conversion\r\n  engToNepDate(date: any, month: any, year: any) {\r\n    if (!this.isEnglishRange(date, month, year)) {\r\n      throw new Error('Invalid date Only date between 1944 and 2043.');\r\n    }\r\n\r\n    this.englishYear = year;\r\n    this.englishMonth = month + 1;\r\n    this.englishDate = date;\r\n\r\n    //Setting nepali reference to 2000/1/1 with english date 1943/4/14\r\n    this.nepaliYear = 2000;\r\n    this.nepaliMonth = 1;\r\n    this.nepaliDate = 1;\r\n\r\n    let difference = this.getEnglishDateDifference(1943, 4, 14);\r\n\r\n    let index = 0;\r\n    while (difference >= this.nepaliYearDays(index)) {\r\n      this.nepaliYear++;\r\n      difference = difference - this.nepaliYearDays(index);\r\n      index++;\r\n    }\r\n\r\n    let i = 0;\r\n    while (difference >= this.nepaliMonths[index][i]) {\r\n      difference = difference - this.nepaliMonths[index][i];\r\n      this.nepaliMonth++;\r\n      i++;\r\n    }\r\n    this.nepaliMonth--;\r\n\r\n    this.nepaliDate = this.nepaliDate + difference;\r\n\r\n    return {\r\n      day: this.nepaliDate,\r\n      month: this.nepaliMonth,\r\n      year: this.nepaliYear,\r\n    };\r\n  }\r\n\r\n  toEnglishString(format: any) {\r\n    if (typeof format === 'undefined') format = '-';\r\n    return (\r\n      this.englishYear + format + this.englishMonth + format + this.englishDate\r\n    );\r\n  }\r\n\r\n  getEnglishDateDifference(year: any, month: any, date: any) {\r\n    let difference =\r\n      this.countTotalEnglishDays(\r\n        this.englishYear,\r\n        this.englishMonth,\r\n        this.englishDate\r\n      ) - this.countTotalEnglishDays(year, month, date);\r\n    return difference < 0 ? -difference : difference;\r\n  }\r\n\r\n  countTotalEnglishDays(year: any, month: any, date: any) {\r\n    let totalDays = year * 365 + date;\r\n\r\n    for (let i = 0; i < month - 1; i++)\r\n      totalDays = totalDays + this.englishMonths[i];\r\n\r\n    totalDays = totalDays + this.countleap(year, month);\r\n    return totalDays;\r\n  }\r\n\r\n  countleap(year: any, month: any) {\r\n    if (month <= 2) year--;\r\n\r\n    return (\r\n      Math.floor(year / 4) - Math.floor(year / 100) + Math.floor(year / 400)\r\n    );\r\n  }\r\n\r\n  isEnglishRange(date: any, month: any, year: any) {\r\n    if (year < 1944 || year > 2043) return false;\r\n    if (month < 0 || month > 11) {\r\n      throw new Error('Invalid Date');\r\n    }\r\n    if (date < 1 || date > 31) {\r\n      throw new Error('Invalid Date');\r\n    }\r\n\r\n    return true;\r\n  }\r\n\r\n  isLeapYear(year: any) {\r\n    if (year % 4 === 0) {\r\n      return year % 100 === 0 ? year % 400 === 0 : true;\r\n    } else return false;\r\n  }\r\n\r\n  nepToEngDate(date: any, month: any, year: any) {\r\n    if (!this.isNepaliRange(date, month, year)) {\r\n      throw new Error('Invalid date, Only date between 2000 and 2099.');\r\n    }\r\n\r\n    this.nepaliYear = year;\r\n    this.nepaliMonth = month + 1;\r\n    this.nepaliDate = date;\r\n\r\n    this.englishYear = 1944;\r\n    this.englishMonth = 1;\r\n    this.englishDate = 1;\r\n\r\n    let difference = this.getNepaliDateDifference(2000, 9, 17);\r\n\r\n    while (difference >= (this.isLeapYear(this.englishYear) ? 366 : 365)) {\r\n      difference = difference - (this.isLeapYear(this.englishYear) ? 366 : 365);\r\n      this.englishYear++;\r\n    }\r\n\r\n    let monthDays = this.isLeapYear(this.englishYear)\r\n      ? this.englishLeapMonths\r\n      : this.englishMonths;\r\n    let i = 0;\r\n    while (difference >= monthDays[i]) {\r\n      this.englishMonth++;\r\n      difference = difference - monthDays[i];\r\n      i++;\r\n    }\r\n\r\n    this.englishDate = this.englishDate + difference;\r\n\r\n    return new Date(\r\n      this.englishYear + '-' + this.englishMonth + '-' + this.englishDate\r\n    );\r\n  }\r\n\r\n  toNepaliString(format: any) {\r\n    if (typeof format === 'undefined') format = '-';\r\n    return (\r\n      this.nepaliYear + format + this.nepaliMonth + format + this.nepaliDate\r\n    );\r\n  }\r\n\r\n  getNepaliDateDifference(year: any, month: any, date: any) {\r\n    const a = this.countTotalNepaliDays(\r\n      this.nepaliYear,\r\n      this.nepaliMonth,\r\n      this.nepaliDate\r\n    );\r\n    const b = this.countTotalNepaliDays(year, month, date);\r\n    let difference = a - b;\r\n    return difference < 0 ? -difference : difference;\r\n  }\r\n\r\n  countTotalNepaliDays(year: any, month: any, date: any) {\r\n    let total = 0;\r\n    if (year < 2000) return 0;\r\n\r\n    total = total + (date - 1);\r\n\r\n    let yearIndex = year - 2000;\r\n    for (let i = 0; i < month - 1; i++)\r\n      total = total + this.nepaliMonths[yearIndex][i];\r\n\r\n    for (let i = 0; i < yearIndex; i++) total = total + this.nepaliYearDays(i);\r\n\r\n    return total;\r\n  }\r\n\r\n  nepaliYearDays(index: any) {\r\n    let total = 0;\r\n    for (let i = 0; i < 12; i++) total += this.nepaliMonths[index][i];\r\n    return total;\r\n  }\r\n\r\n  isNepaliRange(date: any, month: any, year: any) {\r\n    if (year < 2000 || year > 2099) return false;\r\n\r\n    if (month < 0 || month > 11) {\r\n      throw new Error('Invalid Date');\r\n    }\r\n\r\n    if (date < 1 || date > this.nepaliMonths[year - 2000][month]) {\r\n      throw new Error('Invalid Date');\r\n    }\r\n\r\n    return true;\r\n  }\r\n\r\n  public formatDate(date: string, format: string) {\r\n    const subDates = date.split('/');\r\n    const regex = {\r\n      year: /y{2,4}/i,\r\n      month: /m{1,2}/i,\r\n      day: /d{1,2}/i,\r\n    };\r\n    format = format.replace(regex.year, subDates[0]);\r\n    format = format.replace(regex.month, subDates[1]);\r\n    format = format.replace(regex.day, subDates[2]);\r\n    return format;\r\n  }\r\n\r\n  changeStructure(value: string) {\r\n    value = value.split('T')[0];\r\n    let separatedCharacter;\r\n    for (let i = 0; i < this.dateSeparatedCharacters.length; i++) {\r\n      const character = this.dateSeparatedCharacters[i];\r\n      if (value.indexOf(character) !== -1) {\r\n        separatedCharacter = character;\r\n        break;\r\n      }\r\n    }\r\n    if (!separatedCharacter) return;\r\n    const splittedDate = value.split(separatedCharacter);\r\n    return {\r\n      year: Number(splittedDate[0]),\r\n      month: Number(splittedDate[1]) - 1,\r\n      day: Number(splittedDate[2]),\r\n    };\r\n  }\r\n}\r\n"]}