28 lines
439 B
JavaScript
28 lines
439 B
JavaScript
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/**
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* Module exports.
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*/
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module.exports = isPlainHostName;
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/**
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* True iff there is no domain name in the hostname (no dots).
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*
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* Examples:
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*
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* ``` js
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* isPlainHostName("www")
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* // is true.
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*
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* isPlainHostName("www.netscape.com")
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* // is false.
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* ```
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*
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* @param {String} host The hostname from the URL (excluding port number).
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* @return {Boolean}
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*/
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function isPlainHostName (host) {
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return !(/\./.test(host));
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}
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