@webilix/jalali-date-time/dist/lib/days-in-month.js

Lightweight library for parsing and formating Jalali date with timezone functionality

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.daysInMonth = daysInMonth;
const JDate = __importStar(require("../script/date"));
const string_1 = require("./string");
const gregorian_1 = require("./gregorian");
function daysInMonth(month) {
    month = month || (0, string_1.toString)(new Date(), { format: 'Y-M' });
    if (!JDate.isMonth(month))
        throw new TypeError('Invalid Month');
    let daysInMonth = 31;
    const jalaliMonth = Number(month.substr(5, 2));
    if (jalaliMonth > 6 && jalaliMonth < 12)
        daysInMonth = 30;
    else if (jalaliMonth === 12) {
        const date = (0, gregorian_1.gregorian)(month + '-30').date + 'T12:00:00';
        const have30Days = (0, string_1.toString)(new Date(date)).substr(8, 2) === '30';
        daysInMonth = have30Days ? 30 : 29;
    }
    return daysInMonth;
}
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