ngx-hijri-gregorian-datepicker/esm2015/lib/hijri-gregorian-datepicker/date-formatter.service.js

* Lightweight **Angular** datepicker based on [ng-bootstrap](https://ng-bootstrap.github.io/#/components/datepicker/overview) that supports **Gregorian** and **Hijri** calendars. * Provides ability to swap between **Gregorian** and **Hijri** calendars

import { Injectable } from '@angular/core';
import { NgbDateParserFormatter, NgbDate } from '@ng-bootstrap/ng-bootstrap';
import * as momentjs from 'moment';
const moment = momentjs;
import * as moment_ from 'moment-hijri';
const momentHijri = moment_;
export class DateFormatterService {
    constructor(parserFormatter) {
        this.parserFormatter = parserFormatter;
    }
    ToString(date) {
        const dateStr = this.parserFormatter.format(date);
        return dateStr;
    }
    ToHijriDateStruct(hijriDate, format) {
        const hijriMomentDate = momentHijri(hijriDate, format); // Parse a Hijri date based on format.
        const day = hijriMomentDate.iDate();
        const month = +hijriMomentDate.iMonth() + 1;
        const year = hijriMomentDate.iYear();
        const ngDate = new NgbDate(+year, month, +day);
        return ngDate;
    }
    ToGregorianDateStruct(gregorianDate, format) {
        const momentDate = moment(gregorianDate, format); // Parse a Gregorian date based on format.
        const day = momentDate.date();
        const month = +momentDate.month() + 1;
        const year = momentDate.year();
        const ngDate = new NgbDate(+year, +month, +day);
        return ngDate;
    }
    ToHijri(date) {
        if (!date) {
            return null;
        }
        const dateStr = this.ToString(date);
        const momentDate = momentHijri(dateStr, 'D/M/YYYY');
        const day = momentDate.iDate();
        const month = +momentDate.iMonth() + 1;
        const year = momentDate.iYear();
        const ngDate = new NgbDate(+year, month, +day);
        return ngDate;
    }
    ToGregorian(date) {
        if (!date) {
            return null;
        }
        const dateStr = this.ToString(date);
        const momentDate = momentHijri(dateStr, 'iD/iM/iYYYY');
        const day = momentDate.locale('en').format('D');
        const month = momentDate.locale('en').format('M');
        const year = momentDate.locale('en').format('Y');
        const ngDate = new NgbDate(+year, +month, +day);
        return ngDate;
    }
    GetTodayHijri() {
        const todayHijri = momentHijri().locale('en').format('iYYYY/iM/iD');
        return this.ToHijriDateStruct(todayHijri, 'iYYYY/iM/iD');
    }
    GetTodayGregorian() {
        const todayGregorian = moment().locale('en').format('YYYY/M/D');
        return this.ToGregorianDateStruct(todayGregorian, 'YYYY/M/D');
    }
}
DateFormatterService.decorators = [
    { type: Injectable }
];
DateFormatterService.ctorParameters = () => [
    { type: NgbDateParserFormatter }
];
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