Change locale in react-datepicker

Question

I am using react-datepicker NPM package,
I tried to follow documentation but I was unable to import

registerLocale 

and

Answer 1

In case you want to use a locale, that is not supported by date-fns (and those are quite few), you can do a shim.

const monthsBG = ['Януари', 'Февруари', 'Март', 'Април', 'Май', 'Юни', 'Юли', 'Август', 'Септември', 'Октомври', 'Ноември', 'Декември'];
const daysBG = ['нед', 'пон', 'вт', 'ср', 'четв', 'пет', 'съб'];

registerLocale('bg', {
  localize: {
    month: n => monthsBG[n],
    day: n => daysBG[n]
  }, 
  formatLong:{} 
});

and then you can use this locale as any other