@skiddph/domain-checker/src/lib/parseQuery.js

Check domain availability and prices across different domain resellers and registrar

import { ParseQueryError } from './Errors.js';
export default (query) => {
  query = query.trim();
  const dots = query.match(/\./g)?.length || 0
  if (dots === 0) {
    if (query.match(/[a-zA-Z0-9]/)) {
      return {
        domain: query,
        tld: null
      }
    }
  } else if (dots === 1) {
    const [ domain, tld ] = query.split('.');
    if (domain.match(/[a-zA-Z0-9-_]/) && tld.match(/[a-zA-Z]/)) {
      return {
        domain,
        tld
      }
    }
  }
  throw new ParseQueryError();
}