22 lines
872 B
JavaScript
22 lines
872 B
JavaScript
import isHighLoadTime from './overload';
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const USER_AGENT_BOTS = /bot|crawler|baiduspider|80legs|ia_archiver|voyager|curl|wget|yahoo! slurp|mediapartners-google|facebookexternalhit|twitterbot|whatsapp|php|python|mastodon/;
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const USER_AGENT_BROWSERS = /mozilla|msie|gecko|firefox|edge|opera|safari|netscape|konqueror|android/;
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const isBrowser = (userAgent) => {
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if (!userAgent) {
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return false;
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}
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const isProbablyBot = !!userAgent.toLowerCase().match(USER_AGENT_BOTS);
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const isProbablyBrowser = !!userAgent.toLowerCase().match(USER_AGENT_BROWSERS);
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return isProbablyBrowser && !isProbablyBot;
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}
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export default function(req, res, next) {
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// if (process.env.NODE_ENV === 'production' && !req.url.startsWith('/card/@')) {
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// res.spa = isBrowser(req.headers['user-agent']) || isHighLoadTime(process.env.LOCALE);
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// }
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next();
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}
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