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November 16, 2022 23:26
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a landing page in html+js, which detects language (possibly cached) and redirects.
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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <script type="text/javascript"> | |
| ////////////// | |
| /// CONFIG /// | |
| ////////////// | |
| var defaultLocale = 'en'; | |
| var routing = { | |
| "en": 'https://mydomain.com/en', | |
| "fr": 'https://mydomain.com/fr' | |
| }; | |
| var enableLog = true; | |
| ///////////////// | |
| /// FUNCTIONS /// | |
| ///////////////// | |
| function getBrowserLanguage() { | |
| if (!navigator) return null; | |
| if (navigator.languages && navigator.languages.length > 0) return navigator.languages[0]; | |
| if (navigator.userLanguage) return navigator.userLanguage; | |
| if (navigator.browserLanguage) return navigator.browserLanguage; | |
| return navigator.language; | |
| } | |
| function getSubPath() { | |
| var url = window.location.href; | |
| var domainNameIndex = url.indexOf("//"); | |
| var firstSlashIndex = url.indexOf("/", domainNameIndex + 2); | |
| if (firstSlashIndex === -1) return null; | |
| var subPath = url.substring(firstSlashIndex + 1); | |
| return subPath; | |
| } | |
| function getQueryParam(name) { | |
| var url = window.location.href; | |
| name = name.replace(/[\[\]]/g, '\\$&'); | |
| var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'), | |
| results = regex.exec(url); | |
| if (!results) return null; | |
| if (!results[2]) return ''; | |
| return decodeURIComponent(results[2].replace(/\+/g, ' ')); | |
| } | |
| function redirectToRoute(locale, subPath) { | |
| if (enableLog) console.log('matching locale ' + locale + ' ...'); | |
| var route = routing[locale]; | |
| if (route != null) { | |
| if (enableLog) console.log('will redirect to ' + route); | |
| if (subPath) { | |
| if (!route.endsWith('/')) route += '/'; | |
| route += subPath; | |
| if (enableLog) console.log('full url will be ' + route); | |
| } | |
| window.location.replace(route); | |
| return; | |
| } | |
| var parts = locale.split('-'); | |
| if (parts == null || parts.length <= 1) return; | |
| if (enableLog) console.log("will try to use just the language"); | |
| redirectToRoute(parts[0], subPath); | |
| } | |
| //////////////// | |
| /// REDIRECT /// | |
| //////////////// | |
| var locale = getQueryParam('locale'); | |
| var saveLocale = true; | |
| if (enableLog) console.log('url locale: ' + locale); | |
| if (locale == null) { | |
| locale = localStorage.getItem('locale'); | |
| if (enableLog) console.log('stored locale: ' + locale); | |
| if (locale != null) saveLocale = false; | |
| } | |
| if (locale == null) { | |
| locale = getBrowserLanguage(); | |
| if (enableLog) console.log('browser locale: ' + locale); | |
| } | |
| if (saveLocale === true) { | |
| if (enableLog) console.log('storing locale: ' + locale); | |
| localStorage.setItem('locale', locale); | |
| } | |
| if (locale == null) { | |
| if (enableLog) console.log('will use default ' + defaultLocale); | |
| locale = defaultLocale; | |
| } | |
| locale = locale.toLowerCase(); | |
| var subPath = getSubPath(); | |
| redirectToRoute(locale, subPath); | |
| </script> | |
| </body> | |
| </html> | |
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Thanks for your response.
Ok, if you really want it that badly, I just won't use it for noclear weapons. 👍