How to use the react-native-week-view.addLocale function in react-native-week-view

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 * @format
 */

import React, { Component } from 'react';
import {
  StyleSheet,
  View,
  Alert,
} from 'react-native';
import WeekView, { addLocale } from 'react-native-week-view';

addLocale('fr', {
  months: 'janvier_février_mars_avril_mai_juin_juillet_août_septembre_octobre_novembre_décembre'.split('_'),
  monthsShort: 'janv._févr._mars_avr._mai_juin_juil._août_sept._oct._nov._déc.'.split('_'),
  weekdays: 'dimanche_lundi_mardi_mercredi_jeudi_vendredi_samedi'.split('_'),
  weekdaysShort: 'dim._lun._mar._mer._jeu._ven._sam.'.split('_'),
});

export default class App extends Component {
  selectedDate = new Date();

  generateDates = (hours, minutes) => {
    const date = new Date();
    date.setHours(date.getHours() + hours);
    if (minutes != null) {
      date.setMinutes(minutes);
    }
    return date;