@elgervb/mock-data/lib/random/date-day.js

Mock data made easy, while maintaining type safety

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.calculateMaxDayForMonth = exports.randomDay = void 0;
var is_leap_year_1 = require("../assert/is-leap-year");
var date_month_1 = require("./date-month");
var number_1 = require("./number");
/**
 * Returns a random day for a month. 1=january, etc.
 */
function randomDay(month, year) {
    var currentMonth = month ? month : (0, date_month_1.randomMonth)();
    var leapYear = !!year && (0, is_leap_year_1.isLeapYear)(year);
    var maxDay = calculateMaxDayForMonth(currentMonth, leapYear);
    return (0, number_1.randomNumber)(1, maxDay);
}
exports.randomDay = randomDay;
function calculateMaxDayForMonth(month, isLeapYear) {
    switch (month) {
        case 1:
        case 3:
        case 5:
        case 7:
        case 8:
        case 10:
        case 12:
            return 31;
        case 2:
            return isLeapYear ? 29 : 28;
        default:
            return 30;
    }
}
exports.calculateMaxDayForMonth = calculateMaxDayForMonth;
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