2025-04-24 17:03:28 +08:00

28 lines
664 B
JavaScript

"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) {
var match = String(host).match(/\./g);
var levels = 0;
if (match) {
levels = match.length;
}
return levels;
}
exports.default = dnsDomainLevels;
//# sourceMappingURL=dnsDomainLevels.js.map