everyutil/date/splitDateRangeByMonth.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.splitDateRangeByMonth = void 0;
/**
 * Splits a date range into an array of month-range chunks.
 * @author @dailker
 * @param {Date} start
 * @param {Date} end
 * @returns {Array<{start: Date, end: Date}>}
 */
function splitDateRangeByMonth(start, end) {
    const result = [];
    let current = new Date(start.getFullYear(), start.getMonth(), 1);
    while (current <= end) {
        const monthEnd = new Date(current.getFullYear(), current.getMonth() + 1, 0, 23, 59, 59, 999);
        result.push({
            start: new Date(Math.max(current.getTime(), start.getTime())),
            end: new Date(Math.min(monthEnd.getTime(), end.getTime())),
        });
        current.setMonth(current.getMonth() + 1, 1);
    }
    return result;
}
exports.splitDateRangeByMonth = splitDateRangeByMonth;