Function toLocaleString

packages/intl-numberformat/to_locale_string.ts:9–16

(
  x: number | bigint,
  locales?: string | string[],
  options?: NumberFormatOptions
)

 * https://tc39.es/ecma402/#sup-number.prototype.tolocalestring
 */
export function toLocaleString(
  x: number | bigint,
  locales?: string | string[],
  options?: NumberFormatOptions
): string {
  const numberFormat = new NumberFormat(locales, options)
  return numberFormat.format(x)
}