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feat: add automatic browser language redirection

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yozuru 2025-04-20 06:45:41 +08:00
parent cd05ab1ed3
commit c82d3ab2fe
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1 changed files with 59 additions and 2 deletions
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61
src/pages/index.astro
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@ -1,14 +1,18 @@
---
// src/pages/index.astro
import Layout from '@/layouts/layout.astro';
import Donate from '@/components/donate.astro';
import Hero from '@/components/hero.astro';
import About from '@/components/about.astro';
import Source from '@/components/source.astro';
import Footer from '@/components/footer.astro';
import { App } from '@/components/app';
const currentLocale = Astro.currentLocale || 'en';
// !! Make sure the defaultLocale and locales here are consistent with astro.config.mjs !!
const defaultLocale = 'en';
const supportedLocales = ['en', 'zh-CN', 'zh-TW', 'ja'];
const currentLocale = Astro.currentLocale || defaultLocale;
---
<Layout>
@ -19,3 +23,56 @@ const currentLocale = Astro.currentLocale || 'en';
<Source />
<Footer />
</Layout>
<script define:vars={{ defaultLocale, supportedLocales }}>
(function () {
if (typeof window !== 'undefined' && window.location.pathname === '/') {
const sessionRedirectKey = 'lang_redirect_attempted';
if (sessionStorage.getItem(sessionRedirectKey)) {
console.log('Language redirect already attempted this session.');
return;
}
sessionStorage.setItem(sessionRedirectKey, 'true');
const browserLangs = navigator.languages || [navigator.language]; // navigator.language 作为备选
let preferredLocale = null;
for (const lang of browserLangs) {
if (supportedLocales.includes(lang)) {
preferredLocale = lang;
break;
}
const baseLang = lang.split('-')[0];
if (supportedLocales.includes(baseLang)) {
preferredLocale = baseLang;
}
if (
preferredLocale &&
lang.split('-')[0] !== preferredLocale.split('-')[0]
) {
break;
}
}
console.log('Browser Languages:', browserLangs);
console.log('Detected Preferred Locale:', preferredLocale);
if (preferredLocale && preferredLocale !== defaultLocale) {
const targetPath = `/${preferredLocale}${
window.location.pathname === '/' ? '' : window.location.pathname
}${window.location.search}${window.location.hash}`;
console.log(
`Redirecting to preferred locale: ${preferredLocale} at ${targetPath}`,
);
window.location.replace(targetPath);
} else {
console.log(
'No preferred non-default locale found or already on preferred locale. No redirect needed.',
);
}
}
})();
</script>