uno-js/dist/dateUtils.js

JS/TS common used functions, zero dependencies

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getPreviousQuarter = exports.isDate = exports.toLocalTime = exports.compareDates = exports.compareRealDates = exports.getWeekDaysRange = exports.getDateUtc = void 0;
const getDateUtc = (date) => {
    const dateValue = new Date(date);
    return new Date(dateValue.getTime() + dateValue.getTimezoneOffset() * 60000).toString();
};
exports.getDateUtc = getDateUtc;
const dateOptions = {
    month: 'numeric',
    day: 'numeric',
};
const formatWeekDaysRange = (start, end) => `[${start.toLocaleDateString('en-US', dateOptions)} - ${end.toLocaleDateString('en-US', dateOptions)}]`;
const getWeekDaysRange = (week, year) => {
    const actualYear = year ?? new Date().getFullYear();
    const firstDayOfYear = new Date(actualYear, 0, 1);
    let pivotDay = 1 + (week - 1) * 7 - firstDayOfYear.getDay();
    if (firstDayOfYear.getDay() > 4)
        pivotDay += 7;
    const weekStart = new Date(actualYear, 0, pivotDay);
    const weekEnd = new Date(actualYear, 0, pivotDay + 6);
    return formatWeekDaysRange(weekStart, weekEnd);
};
exports.getWeekDaysRange = getWeekDaysRange;
const compareRealDates = (a, b) => {
    if (a < b)
        return -1;
    return a > b ? 1 : 0;
};
exports.compareRealDates = compareRealDates;
const compareDates = (a, b) => (0, exports.compareRealDates)(new Date(a), new Date(b));
exports.compareDates = compareDates;
const toLocalTime = (date) => {
    if (typeof date === 'string' && date.toUpperCase().endsWith('Z'))
        return new Date(date);
    const baseDate = date instanceof Date ? date : new Date(date);
    return new Date(Date.UTC(baseDate.getFullYear(), baseDate.getMonth(), baseDate.getDate(), baseDate.getHours(), baseDate.getMinutes(), baseDate.getSeconds(), baseDate.getMilliseconds()));
};
exports.toLocalTime = toLocalTime;
const regexISO = /\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z)/;
const regexDate = /\d{4}-(0\d|1[0-2])-([0-2]\d|3[01])/;
const isDate = (value) => {
    const stringValue = String(value);
    const isValidDate = !Number.isNaN(new Date(stringValue).getDate());
    if (value instanceof Date && isValidDate)
        return true;
    const isValidDateString = isValidDate && regexDate.exec(stringValue) !== null;
    return isValidDateString && regexISO.exec(new Date(stringValue).toISOString()) !== null;
};
exports.isDate = isDate;
const getPreviousQuarter = (currentQuarter) => {
    const quarter = Number(currentQuarter.split('-Q')[1]);
    const year = Number(currentQuarter.split('-Q')[0]);
    return quarter === 1 ? `${year - 1}-Q4` : `${year}-Q${quarter - 1}`;
};
exports.getPreviousQuarter = getPreviousQuarter;