Current File : //lib/node_modules/pm2/node_modules/pac-resolver/dnsDomainLevels.js
/**
* Module exports.
*/
module.exports = dnsDomainLevels;
/**
* 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;
}
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