LibreChat/api/server/middleware/noIndex.js

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const noIndex = (req, res, next) => {
const shouldNoIndex = process.env.NO_INDEX ? process.env.NO_INDEX === 'true' : true;
if (shouldNoIndex) {
res.setHeader('X-Robots-Tag', 'noindex');
}
next();
};
module.exports = noIndex;