import R from 'cramda'; import countryData from 'country-telephone-data'; import { Country } from './ReactTelephoneInput'; export default function isNumberValid(inputNumber: string) { const countries = countryData.allCountries; return R.any( (country: Country) => R.startsWith(country.dialCode, inputNumber) || R.startsWith(inputNumber, country.dialCode), countries, ); }