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davej/isLocalhost.js

Created April 9, 2017 11:42
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Detect if current hostname is local
Raw
isLocalhost.js
const isLocalhostName = window.location.hostname === 'localhost';
const isLocalhostIPv6 = window.location.hostname === '[::1]';
const isLocalhostIPv4 = window.location.hostname.match(
// 127.0.0.1/8
/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
);
const isLocalhost = isLocalhostName || isLocalhostIPv6 || isLocalhostIPv4;
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