UEA-Prodem

node_modules/@tabby_ai/hijri-converter/dist/_lib/dateHelpersHijri.js

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+"use strict";
+/*
+ * This file contains modifications to code from https://github.com/mhalshehri/hijri-converter
+ * that is licensed under the MIT license.
+ *
+ * Copyright (c) 2018 Mohammed H Alshehri (@mhalshehri) and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the 'Software'), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software.
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * This modified version of the Software is also licensed under the MIT license,
+ * and is subject to the same conditions as the original version of the Software.
+ *
+ * Copyright (c) 2023 Tabby FZ-LLC
+ *
+ * A copy of the license can be found in the LICENSE file at the root of this
+ * distribution.
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.gregorianFromOrdinal = exports.gregorianToJulian = exports.hijriToJulian = exports.hijriDaysInMonth = void 0;
+const ummalqura_1 = require("./ummalqura");
+const julianDayHelpers_1 = require("./julianDayHelpers");
+const dateHelpers_1 = require("./dateHelpers");
+/**
+ * Return month’s index in ummalqura month starts
+ */
+function _monthIndex(year, month) {
+    const priorMonth = (year - 1) * 12 + month - 1;
+    const index = priorMonth - ummalqura_1.HIJRI_OFFSET;
+    return index;
+}
+/**
+ * Return number of days in month.
+ */
+function hijriDaysInMonth(year, month) {
+    const index = _monthIndex(year, month);
+    return ummalqura_1.MONTH_STARTS[index + 1] - ummalqura_1.MONTH_STARTS[index];
+}
+exports.hijriDaysInMonth = hijriDaysInMonth;
+/**
+ * Return corresponding Julian day number (JDN) from Hijri date.
+ */
+function hijriToJulian(date) {
+    const index = _monthIndex(date.year, date.month);
+    const rjd = ummalqura_1.MONTH_STARTS[index] + date.day - 1;
+    const jdn = (0, julianDayHelpers_1.rjdToJdn)(rjd);
+    return jdn;
+}
+exports.hijriToJulian = hijriToJulian;
+/**
+ * Return corresponding Julian day number (JDN) from Gregorian date.
+ */
+function gregorianToJulian(date) {
+    const y = date.year - 1;
+    const m = date.month;
+    const daysBeforeYear = y * 365 + Math.floor(y / 4) - Math.floor(y / 100) + Math.floor(y / 400);
+    const daysBeforeMonth = dateHelpers_1.DAYS_BEFORE_MONTH[m] + Number(m > 2 && (0, dateHelpers_1.isLeap)(date.year));
+    const don = daysBeforeYear + daysBeforeMonth + date.day;
+    const jdn = (0, julianDayHelpers_1.ordinalToJdn)(don);
+    return jdn;
+}
+exports.gregorianToJulian = gregorianToJulian;
+/**
+ * Construct a date from a proleptic Gregorian ordinal.
+ *  January 1 of year 1 is day 1. Only the year, month and day are
+ *  non-zero in the result.
+ */
+function gregorianFromOrdinal(n) {
+    const [year, month, day] = (0, dateHelpers_1.ord2ymd)(n);
+    return { year, month, day };
+}
+exports.gregorianFromOrdinal = gregorianFromOrdinal;