get-etld/lib/getEtld.js

Returns the effective top-level domain (eTLD) of the current web page without the use of a public suffix list.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

/**
 * Retrieves the effective top-level domain.
 * @param {Object} window The browser's window object
 * @param {Function} getApexDomain Function returning
 * the apex domain.
 * @returns {string} The effective top-level domain.
 */
var _default = function _default(window, getApexDomain) {
  var apexDomain = getApexDomain();

  if (apexDomain) {
    // apex domains always have at least one period
    return apexDomain.split(".").slice(1).join(".");
  } else {
    // apexDomain is undefined in unique cases like "localhost"
    // where the hostname is a restricted effective top-level domain
    // and not an apex domain.
    return window.location.hostname;
  }
};

exports["default"] = _default;
module.exports = exports.default;