next/dist/esm/shared/lib/router/utils/is-bot.js

The React Framework

import { HTML_LIMITED_BOT_UA_RE } from './html-bots';
// Bot crawler that will spin up a headless browser and execute JS.
// Only the main Googlebot search crawler executes JavaScript, not other Google crawlers.
// x-ref: https://developers.google.com/search/docs/crawling-indexing/google-common-crawlers
// This regex specifically matches "Googlebot" but NOT "Mediapartners-Google", "AdsBot-Google", etc.
const HEADLESS_BROWSER_BOT_UA_RE = /Googlebot(?!-)|Googlebot$/i;
export const HTML_LIMITED_BOT_UA_RE_STRING = HTML_LIMITED_BOT_UA_RE.source;
export { HTML_LIMITED_BOT_UA_RE };
function isDomBotUA(userAgent) {
    return HEADLESS_BROWSER_BOT_UA_RE.test(userAgent);
}
function isHtmlLimitedBotUA(userAgent) {
    return HTML_LIMITED_BOT_UA_RE.test(userAgent);
}
export function isBot(userAgent) {
    return isDomBotUA(userAgent) || isHtmlLimitedBotUA(userAgent);
}
export function getBotType(userAgent) {
    if (isDomBotUA(userAgent)) {
        return 'dom';
    }
    if (isHtmlLimitedBotUA(userAgent)) {
        return 'html';
    }
    return undefined;
}

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