@clr/angular
Version:
Angular components for Clarity
49 lines • 5.91 kB
JavaScript
/*
* Copyright (c) 2016-2023 VMware, Inc. All Rights Reserved.
* This software is released under MIT license.
* The full license information can be found in LICENSE in the root directory of this project.
*/
/**
* Returns the number of days in a month.
*/
export function getNumberOfDaysInTheMonth(year, month) {
// If we go to the next month, but use a day of 0, it returns the last day from the previous month
return new Date(year, month + 1, 0).getDate();
}
/**
* Returns the day for the corresponding date where 0 represents Sunday.
*/
export function getDay(year, month, date) {
return new Date(year, month, date).getDay();
}
/**
* Takes in a year and if it is a 2 digit year, returns the corresponding 4 digit year.
* Window of 80 years before and 20 years after the present year.
* Credit: https://github.com/globalizejs/globalize/blob/e1b31cd6a4f1cff75b185b68b7a32220aac5196f/src/date/parse.js
*/
export function parseToFourDigitYear(year) {
if (year > 9999 || (year > 100 && year < 999) || year < 10) {
return -1;
}
if (year > 999) {
return year;
}
const currYear = new Date().getFullYear();
const century = Math.floor(currYear / 100) * 100;
let result = year + century;
if (result > currYear + 20) {
result = result - 100;
}
return result;
}
export function datesAreEqual(date1, date2) {
if (date1 instanceof Date && date2 instanceof Date) {
return (date1.getFullYear() === date2.getFullYear() &&
date1.getMonth() === date2.getMonth() &&
date1.getDate() === date2.getDate());
}
else {
return false;
}
}
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