name : dnsDomainLevels.js "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); /** * Returns the number (integer) of DNS domain levels (number of dots) in the * hostname. * * Examples: * * ``` js * dnsDomainLevels("www") * // returns 0. * dnsDomainLevels("www.netscape.com") * // returns 2. * ``` * * @param {String} host is the hostname from the URL. * @return {Number} number of domain levels */ function dnsDomainLevels(host) { const match = String(host).match(/\./g); let levels = 0; if (match) { levels = match.length; } return levels; } exports.default = dnsDomainLevels; //# sourceMappingURL=dnsDomainLevels.js.map