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