101e7155c8
* userLanguage in browser instead of XHR * refactors on pr 29782 (#29798) Co-authored-by: Peter Bengtsson <peterbe@github.com>
17 lines
602 B
JavaScript
17 lines
602 B
JavaScript
import { cacheControlFactory } from './cache-control.js'
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import { getLanguageCodeFromHeader } from './detect-language.js'
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import { PREFERRED_LOCALE_COOKIE_NAME } from '../lib/constants.js'
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const cacheControl = cacheControlFactory(0)
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export default function fastRootRedirect(req, res, next) {
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if (!req.headers.cookie || !req.headers.cookie.includes(PREFERRED_LOCALE_COOKIE_NAME)) {
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// No preferred language cookie header!
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const language = getLanguageCodeFromHeader(req) || 'en'
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cacheControl(res)
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res.set('location', `/${language}`)
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return res.status(302).send('')
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}
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next()
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}
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