react-day-picker/src/contexts/DayPicker/labels/labelWeekNumber.ts

Customizable Date Picker for React

import { WeekNumberLabel } from 'types/Labels';

/**
 * The default ARIA label for the WeekNumber element.
 */
export const labelWeekNumber: WeekNumberLabel = (n): string => {
  return `Week n. ${n}`;
};