Function getFormatter

packages/intl/dateTime.ts:35–76

(
  {
    locale,
    formats,
    onError,
    timeZone,
  }: {
    locale: string
    timeZone?: string
    formats: CustomFormats
    onError: OnErrorFn
  },
  type: 'date' | 'time' | 'dateTimeRange',
  getDateTimeFormat: Formatters['getDateTimeFormat'],
  options: Parameters<IntlFormatters['formatDate']>[1] = {}
)

]

export function getFormatter(
  {
    locale,
    formats,
    onError,
    timeZone,
  }: {
    locale: string
    timeZone?: string
    formats: CustomFormats
    onError: OnErrorFn
  },
  type: 'date' | 'time' | 'dateTimeRange',
  getDateTimeFormat: Formatters['getDateTimeFormat'],
  options: Parameters<IntlFormatters['formatDate']>[1] = {}
): Intl.DateTimeFormat {
  const {format} = options
  const defaults = {
    ...(timeZone && {timeZone}),
    ...(format && getNamedFormat(formats!, type, format, onError)),
  }

  let filteredOptions = filterProps(
    options,
    DATE_TIME_FORMAT_OPTIONS,
    defaults
  ) as Intl.DateTimeFormatOptions

  if (
    type === 'time' &&
    !filteredOptions.hour &&
    !filteredOptions.minute &&
    !filteredOptions.second &&
    !filteredOptions.timeStyle &&
    !filteredOptions.dateStyle
  ) {
    // Add default formatting options if hour, minute, or second isn't defined.
    filteredOptions = {...filteredOptions, hour: 'numeric', minute: 'numeric'}
  }

  return getDateTimeFormat(locale, filteredOptions)
}

export function formatDate(
  config: {