import { getNumeric } from "../helpers/string.js";

// Non-geographic / regionless international dial codes that should always be
// treated as international numbers (no associated iso2 country).
// e.g. +800 is the Universal International Freephone Service (UIFS), which is not associated with any country
export const regionlessDialCodes: Set<string> = new Set([
  "800",
  "808",
  "870",
  "881",
  "882",
  "883",
  "888",
  "979",
]);

export const hasRegionlessDialCode = (number: string): boolean => {
  const dialCode = getNumeric(number).slice(0, 3);
  return number.startsWith("+") && regionlessDialCodes.has(dialCode);
};