everyutil/date/startOfWeek.d.ts

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.

/**
 * Gets the start of the week for a date.
 * @author @dailker
 * @param {Date} date
 * @param {number} [firstDay=1] - 0=Sunday, 1=Monday
 * @returns {Date}
 */
export declare function startOfWeek(date: Date, firstDay?: number): Date;