react-day-picker/dist/esm/hijri/lib/startOfMonth.js

Customizable Date Picker for React

import { toGregorianDate, toHijriDate } from "../utils/conversion.js";
export function startOfMonth(date) {
    const hijri = toHijriDate(date);
    return toGregorianDate({
        year: hijri.year,
        monthIndex: hijri.monthIndex,
        day: 1,
    });
}