VLEX/BPM-UI/node_modules/@ng-bootstrap/ng-bootstrap/esm5/datepicker/hijri/ngb-calendar-islamic-civil.js

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import * as tslib_1 from "tslib";
import { NgbCalendarHijri } from './ngb-calendar-hijri';
import { NgbDate } from '../ngb-date';
import { Injectable } from '@angular/core';
/**
 * Checks if islamic year is a leap year
 * @param {?} hYear
 * @return {?}
 */
function isIslamicLeapYear(hYear) {
    return (14 + 11 * hYear) % 30 < 11;
}
/**
 * Checks if gregorian years is a leap year
 * @param {?} gDate
 * @return {?}
 */
function isGregorianLeapYear(gDate) {
    /** @type {?} */
    var year = gDate.getFullYear();
    return year % 4 === 0 && year % 100 !== 0 || year % 400 === 0;
}
/**
 * Returns the start of Hijri Month.
 * `hMonth` is 0 for Muharram, 1 for Safar, etc.
 * `hYear` is any Hijri hYear.
 * @param {?} hYear
 * @param {?} hMonth
 * @return {?}
 */
function getIslamicMonthStart(hYear, hMonth) {
    return Math.ceil(29.5 * hMonth) + (hYear - 1) * 354 + Math.floor((3 + 11 * hYear) / 30.0);
}
/**
 * Returns the start of Hijri year.
 * `year` is any Hijri year.
 * @param {?} year
 * @return {?}
 */
function getIslamicYearStart(year) {
    return (year - 1) * 354 + Math.floor((3 + 11 * year) / 30.0);
}
/**
 * @param {?} a
 * @param {?} b
 * @return {?}
 */
function mod(a, b) {
    return a - b * Math.floor(a / b);
}
/**
 * The civil calendar is one type of Hijri calendars used in islamic countries.
 * Uses a fixed cycle of alternating 29- and 30-day months,
 * with a leap day added to the last month of 11 out of every 30 years.
 * http://cldr.unicode.org/development/development-process/design-proposals/islamic-calendar-types
 * All the calculations here are based on the equations from "Calendrical Calculations" By Edward M. Reingold, Nachum
 * Dershowitz.
 * @type {?}
 */
var GREGORIAN_EPOCH = 1721425.5;
/** @type {?} */
var ISLAMIC_EPOCH = 1948439.5;
var NgbCalendarIslamicCivil = /** @class */ (function (_super) {
    tslib_1.__extends(NgbCalendarIslamicCivil, _super);
    function NgbCalendarIslamicCivil() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    /**
     * Returns the equivalent islamic(civil) date value for a give input Gregorian date.
     * `gDate` is a JS Date to be converted to Hijri.
     */
    /**
     * Returns the equivalent islamic(civil) date value for a give input Gregorian date.
     * `gDate` is a JS Date to be converted to Hijri.
     * @param {?} gDate
     * @return {?}
     */
    NgbCalendarIslamicCivil.prototype.fromGregorian = /**
     * Returns the equivalent islamic(civil) date value for a give input Gregorian date.
     * `gDate` is a JS Date to be converted to Hijri.
     * @param {?} gDate
     * @return {?}
     */
    function (gDate) {
        /** @type {?} */
        var gYear = gDate.getFullYear();
        /** @type {?} */
        var gMonth = gDate.getMonth();
        /** @type {?} */
        var gDay = gDate.getDate();
        /** @type {?} */
        var julianDay = GREGORIAN_EPOCH - 1 + 365 * (gYear - 1) + Math.floor((gYear - 1) / 4) +
            -Math.floor((gYear - 1) / 100) + Math.floor((gYear - 1) / 400) +
            Math.floor((367 * (gMonth + 1) - 362) / 12 + (gMonth + 1 <= 2 ? 0 : isGregorianLeapYear(gDate) ? -1 : -2) + gDay);
        julianDay = Math.floor(julianDay) + 0.5;
        /** @type {?} */
        var days = julianDay - ISLAMIC_EPOCH;
        /** @type {?} */
        var hYear = Math.floor((30 * days + 10646) / 10631.0);
        /** @type {?} */
        var hMonth = Math.ceil((days - 29 - getIslamicYearStart(hYear)) / 29.5);
        hMonth = Math.min(hMonth, 11);
        /** @type {?} */
        var hDay = Math.ceil(days - getIslamicMonthStart(hYear, hMonth)) + 1;
        return new NgbDate(hYear, hMonth + 1, hDay);
    };
    /**
     * Returns the equivalent JS date value for a give input islamic(civil) date.
     * `hDate` is an islamic(civil) date to be converted to Gregorian.
     */
    /**
     * Returns the equivalent JS date value for a give input islamic(civil) date.
     * `hDate` is an islamic(civil) date to be converted to Gregorian.
     * @param {?} hDate
     * @return {?}
     */
    NgbCalendarIslamicCivil.prototype.toGregorian = /**
     * Returns the equivalent JS date value for a give input islamic(civil) date.
     * `hDate` is an islamic(civil) date to be converted to Gregorian.
     * @param {?} hDate
     * @return {?}
     */
    function (hDate) {
        /** @type {?} */
        var hYear = hDate.year;
        /** @type {?} */
        var hMonth = hDate.month - 1;
        /** @type {?} */
        var hDay = hDate.day;
        /** @type {?} */
        var julianDay = hDay + Math.ceil(29.5 * hMonth) + (hYear - 1) * 354 + Math.floor((3 + 11 * hYear) / 30) + ISLAMIC_EPOCH - 1;
        /** @type {?} */
        var wjd = Math.floor(julianDay - 0.5) + 0.5;
        /** @type {?} */
        var depoch = wjd - GREGORIAN_EPOCH;
        /** @type {?} */
        var quadricent = Math.floor(depoch / 146097);
        /** @type {?} */
        var dqc = mod(depoch, 146097);
        /** @type {?} */
        var cent = Math.floor(dqc / 36524);
        /** @type {?} */
        var dcent = mod(dqc, 36524);
        /** @type {?} */
        var quad = Math.floor(dcent / 1461);
        /** @type {?} */
        var dquad = mod(dcent, 1461);
        /** @type {?} */
        var yindex = Math.floor(dquad / 365);
        /** @type {?} */
        var year = quadricent * 400 + cent * 100 + quad * 4 + yindex;
        if (!(cent === 4 || yindex === 4)) {
            year++;
        }
        /** @type {?} */
        var gYearStart = GREGORIAN_EPOCH + 365 * (year - 1) + Math.floor((year - 1) / 4) - Math.floor((year - 1) / 100) +
            Math.floor((year - 1) / 400);
        /** @type {?} */
        var yearday = wjd - gYearStart;
        /** @type {?} */
        var tjd = GREGORIAN_EPOCH - 1 + 365 * (year - 1) + Math.floor((year - 1) / 4) - Math.floor((year - 1) / 100) +
            Math.floor((year - 1) / 400) + Math.floor(739 / 12 + (isGregorianLeapYear(new Date(year, 3, 1)) ? -1 : -2) + 1);
        /** @type {?} */
        var leapadj = wjd < tjd ? 0 : isGregorianLeapYear(new Date(year, 3, 1)) ? 1 : 2;
        /** @type {?} */
        var month = Math.floor(((yearday + leapadj) * 12 + 373) / 367);
        /** @type {?} */
        var tjd2 = GREGORIAN_EPOCH - 1 + 365 * (year - 1) + Math.floor((year - 1) / 4) - Math.floor((year - 1) / 100) +
            Math.floor((year - 1) / 400) +
            Math.floor((367 * month - 362) / 12 + (month <= 2 ? 0 : isGregorianLeapYear(new Date(year, month - 1, 1)) ? -1 : -2) +
                1);
        /** @type {?} */
        var day = wjd - tjd2 + 1;
        return new Date(year, month - 1, day);
    };
    /**
     * Returns the number of days in a specific Hijri month.
     * `month` is 1 for Muharram, 2 for Safar, etc.
     * `year` is any Hijri year.
     */
    /**
     * Returns the number of days in a specific Hijri month.
     * `month` is 1 for Muharram, 2 for Safar, etc.
     * `year` is any Hijri year.
     * @param {?} month
     * @param {?} year
     * @return {?}
     */
    NgbCalendarIslamicCivil.prototype.getDaysPerMonth = /**
     * Returns the number of days in a specific Hijri month.
     * `month` is 1 for Muharram, 2 for Safar, etc.
     * `year` is any Hijri year.
     * @param {?} month
     * @param {?} year
     * @return {?}
     */
    function (month, year) {
        year = year + Math.floor(month / 13);
        month = ((month - 1) % 12) + 1;
        /** @type {?} */
        var length = 29 + month % 2;
        if (month === 12 && isIslamicLeapYear(year)) {
            length++;
        }
        return length;
    };
    NgbCalendarIslamicCivil.decorators = [
        { type: Injectable }
    ];
    return NgbCalendarIslamicCivil;
}(NgbCalendarHijri));
export { NgbCalendarIslamicCivil };
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{NgbCalendarHijri} from './ngb-calendar-hijri';\nimport {NgbDate} from '../ngb-date';\nimport {Injectable} from '@angular/core';\n\n/**\n * Checks if islamic year is a leap year\n */\nfunction isIslamicLeapYear(hYear: number): boolean {\n  return (14 + 11 * hYear) % 30 < 11;\n}\n\n/**\n * Checks if gregorian years is a leap year\n */\nfunction isGregorianLeapYear(gDate: Date): boolean {\n  const year = gDate.getFullYear();\n  return year % 4 === 0 && year % 100 !== 0 || year % 400 === 0;\n}\n\n/**\n * Returns the start of Hijri Month.\n * `hMonth` is 0 for Muharram, 1 for Safar, etc.\n * `hYear` is any Hijri hYear.\n */\nfunction getIslamicMonthStart(hYear: number, hMonth: number): number {\n  return Math.ceil(29.5 * hMonth) + (hYear - 1) * 354 + Math.floor((3 + 11 * hYear) / 30.0);\n}\n\n/**\n * Returns the start of Hijri year.\n * `year` is any Hijri year.\n */\nfunction getIslamicYearStart(year: number): number {\n  return (year - 1) * 354 + Math.floor((3 + 11 * year) / 30.0);\n}\n\nfunction mod(a: number, b: number): number {\n  return a - b * Math.floor(a / b);\n}\n\n/**\n * The civil calendar is one type of Hijri calendars used in islamic countries.\n * Uses a fixed cycle of alternating 29- and 30-day months,\n * with a leap day added to the last month of 11 out of every 30 years.\n * http://cldr.unicode.org/development/development-process/design-proposals/islamic-calendar-types\n * All the calculations here are based on the equations from \"Calendrical Calculations\" By Edward M. Reingold, Nachum\n * Dershowitz.\n */\n\nconst GREGORIAN_EPOCH = 1721425.5;\nconst ISLAMIC_EPOCH = 1948439.5;\n\n@Injectable()\nexport class NgbCalendarIslamicCivil extends NgbCalendarHijri {\n  /**\n   * Returns the equivalent islamic(civil) date value for a give input Gregorian date.\n   * `gDate` is a JS Date to be converted to Hijri.\n   */\n  fromGregorian(gDate: Date): NgbDate {\n    const gYear = gDate.getFullYear(), gMonth = gDate.getMonth(), gDay = gDate.getDate();\n\n    let julianDay = GREGORIAN_EPOCH - 1 + 365 * (gYear - 1) + Math.floor((gYear - 1) / 4) +\n        -Math.floor((gYear - 1) / 100) + Math.floor((gYear - 1) / 400) +\n        Math.floor(\n            (367 * (gMonth + 1) - 362) / 12 + (gMonth + 1 <= 2 ? 0 : isGregorianLeapYear(gDate) ? -1 : -2) + gDay);\n    julianDay = Math.floor(julianDay) + 0.5;\n\n    const days = julianDay - ISLAMIC_EPOCH;\n    const hYear = Math.floor((30 * days + 10646) / 10631.0);\n    let hMonth = Math.ceil((days - 29 - getIslamicYearStart(hYear)) / 29.5);\n    hMonth = Math.min(hMonth, 11);\n    const hDay = Math.ceil(days - getIslamicMonthStart(hYear, hMonth)) + 1;\n    return new NgbDate(hYear, hMonth + 1, hDay);\n  }\n\n  /**\n   * Returns the equivalent JS date value for a give input islamic(civil) date.\n   * `hDate` is an islamic(civil) date to be converted to Gregorian.\n   */\n  toGregorian(hDate: NgbDate): Date {\n    const hYear = hDate.year;\n    const hMonth = hDate.month - 1;\n    const hDay = hDate.day;\n    const julianDay =\n        hDay + Math.ceil(29.5 * hMonth) + (hYear - 1) * 354 + Math.floor((3 + 11 * hYear) / 30) + ISLAMIC_EPOCH - 1;\n\n    const wjd = Math.floor(julianDay - 0.5) + 0.5, depoch = wjd - GREGORIAN_EPOCH,\n          quadricent = Math.floor(depoch / 146097), dqc = mod(depoch, 146097), cent = Math.floor(dqc / 36524),\n          dcent = mod(dqc, 36524), quad = Math.floor(dcent / 1461), dquad = mod(dcent, 1461),\n          yindex = Math.floor(dquad / 365);\n    let year = quadricent * 400 + cent * 100 + quad * 4 + yindex;\n    if (!(cent === 4 || yindex === 4)) {\n      year++;\n    }\n\n    const gYearStart = GREGORIAN_EPOCH + 365 * (year - 1) + Math.floor((year - 1) / 4) - Math.floor((year - 1) / 100) +\n        Math.floor((year - 1) / 400);\n\n    const yearday = wjd - gYearStart;\n\n    const tjd = GREGORIAN_EPOCH - 1 + 365 * (year - 1) + Math.floor((year - 1) / 4) - Math.floor((year - 1) / 100) +\n        Math.floor((year - 1) / 400) + Math.floor(739 / 12 + (isGregorianLeapYear(new Date(year, 3, 1)) ? -1 : -2) + 1);\n\n    const leapadj = wjd < tjd ? 0 : isGregorianLeapYear(new Date(year, 3, 1)) ? 1 : 2;\n\n    const month = Math.floor(((yearday + leapadj) * 12 + 373) / 367);\n    const tjd2 = GREGORIAN_EPOCH - 1 + 365 * (year - 1) + Math.floor((year - 1) / 4) - Math.floor((year - 1) / 100) +\n        Math.floor((year - 1) / 400) +\n        Math.floor(\n            (367 * month - 362) / 12 + (month <= 2 ? 0 : isGregorianLeapYear(new Date(year, month - 1, 1)) ? -1 : -2) +\n            1);\n\n    const day = wjd - tjd2 + 1;\n\n    return new Date(year, month - 1, day);\n  }\n\n  /**\n   * Returns the number of days in a specific Hijri month.\n   * `month` is 1 for Muharram, 2 for Safar, etc.\n   * `year` is any Hijri year.\n   */\n  getDaysPerMonth(month: number, year: number): number {\n    year = year + Math.floor(month / 13);\n    month = ((month - 1) % 12) + 1;\n    let length = 29 + month % 2;\n    if (month === 12 && isIslamicLeapYear(year)) {\n      length++;\n    }\n    return length;\n  }\n}\n"]}