src/components/forms/DateField/utils.ts


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import {getLocales} from 'expo-localization'

const LOCALE = getLocales()[0]

// we need the date in the form yyyy-MM-dd to pass to the input
export function toSimpleDateString(date: Date | string): string {
  const _date = typeof date === 'string' ? new Date(date) : date
  return _date.toISOString().split('T')[0]
}

export function localizeDate(date: Date | string): string {
  const _date = typeof date === 'string' ? new Date(date) : date
  return new Intl.DateTimeFormat(LOCALE.languageTag, {
    timeZone: 'UTC',
  }).format(_date)
}