everyutil/date/dateDiffInBusinessDays.js

A comprehensive library of lightweight, reusable utility functions for JavaScript and TypeScript, designed to streamline common programming tasks such as string manipulation, array processing, date handling, and more.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.dateDiffInBusinessDays = void 0;
/**
 * Counts business days between two dates.
 * @author @dailker
 * @param {Date} start
 * @param {Date} end
 * @param {Date[]} [holidays=[]]
 * @returns {number}
 */
function dateDiffInBusinessDays(start, end, holidays = []) {
    let count = 0;
    let d = new Date(start);
    while (d <= end) {
        if (d.getDay() !== 0 && d.getDay() !== 6 && !holidays.some(h => h.toDateString() === d.toDateString())) {
            count++;
        }
        d.setDate(d.getDate() + 1);
    }
    return count;
}
exports.dateDiffInBusinessDays = dateDiffInBusinessDays;