ตัวช่วย Locale

import {
  DEFAULT_LOCALE,
  mergeLocale,
  createLocale,
  resolveLocale,
  weekdayToNumber,
} from "react-date-range-picker-headless";

DEFAULT_LOCALE.weekdays; // ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"]
DEFAULT_LOCALE.months; // ["January", "February", ..., "December"]
DEFAULT_LOCALE.confirm; // "Confirm"
DEFAULT_LOCALE.placeholder; // "Select date"

mergeLocale(); // DEFAULT_LOCALE

mergeLocale({
  confirm: "OK",
  cancel: "Back",
  rangeSeparator: " - ",
});
// { ...DEFAULT_LOCALE, confirm: "OK", cancel: "Back", rangeSeparator: " - ", formatRange: (s, e) => `${s} - ${e}` }