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Maintain Language Preferences on a Hugo Website, small improvment from https://papasmurf.nl/en/blog/hugo_language/
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| <!DOCTYPE html> | |
| <html {{ with site.LanguageCode | default site.Language.Lang }} lang="{{ . }}"{{ end }}> | |
| <head> | |
| <title>{{ .Permalink }}</title> | |
| <link rel="canonical" href="{{ .Permalink }}"> | |
| <meta name="robots" content="noindex"> | |
| <meta charset="utf-8"> | |
| <noscript> | |
| <meta http-equiv="refresh" content="0; url={{ .Permalink }}"/> | |
| </noscript> | |
| <script> | |
| ;(function () { | |
| // Only do i18n at root, | |
| // otherwise, redirect immediately | |
| if (window.location.pathname !== '/') { | |
| window.location.replace('{{ .Permalink }}') | |
| return | |
| } | |
| const getFirstBrowserLanguage = function () { | |
| let nav = window.navigator, | |
| browserLanguagePropertyKeys = ['language', 'browserLanguage', 'systemLanguage', 'userLanguage'], | |
| i, | |
| language; | |
| if (Array.isArray(nav.languages)) { | |
| for (i = 0; i < nav.languages.length; i++) { | |
| language = nav.languages[i] | |
| if (language && language.length) { | |
| return language | |
| } | |
| } | |
| } | |
| // support for other well known properties in browsers | |
| for (i = 0; i < browserLanguagePropertyKeys.length; i++) { | |
| language = nav[browserLanguagePropertyKeys[i]] | |
| if (language && language.length) { | |
| return language | |
| } | |
| } | |
| return 'en' | |
| }; | |
| const savedLanguage = localStorage.getItem('selectedlanguage'); | |
| const languages = { {{ range site.Languages }}"{{ .Lang }}":"{{ .Lang | relURL }}", {{ end }} }; | |
| // if a language has been selected earlier | |
| if (savedLanguage) { | |
| // then reselect that language | |
| window.location.replace(languages[savedLanguage]); | |
| } else { | |
| // check the preferred browser language | |
| const preferLang = getFirstBrowserLanguage().slice(0, 2); | |
| const url = languages[preferLang]; | |
| // if that language is available on the website then select it | |
| if (url) { | |
| window.location.replace(url); | |
| } else { | |
| // fallback to English | |
| window.location.replace(languages['en']); | |
| } | |
| } | |
| })() | |
| </script> | |
| </head> | |
| <body> | |
| <h1>Rerouting</h1> | |
| <p>You should be rerouted in a jiff, if not, <a href="{{ .Permalink }}">click here</a>.</p> | |
| </body> | |
| </html> |
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