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feat: redirect docs root by browser language #123

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Merged
loverustfs merged 1 commit into from
Aug 1, 2026
Merged

feat: redirect docs root by browser language #123

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1 change: 1 addition & 0 deletions press.config.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,7 @@ export default defineConfig({
href="/favicon-16x16.png"
/>
<link rel="manifest" href="/site.webmanifest" />
<script src="/language-redirect.js" />

{/* SEO / crawler hints */}
<meta name="author" content="RustFS" />
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22 changes: 22 additions & 0 deletions public/index.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="robots" content="noindex, follow" />
<title>RustFS Documentation</title>
<script src="/language-redirect.js"></script>
</head>
<body>
<main>
<p>Choose your language:</p>
<nav aria-label="Documentation language">
<a href="/en">English</a>
<a href="/zh">简体中文</a>
<a href="/de">Deutsch</a>
<a href="/fr">Français</a>
<a href="/ja">日本語</a>
</nav>
</main>
</body>
</html>
65 changes: 65 additions & 0 deletions public/language-redirect.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
(() => {
const supportedLanguages = new Set(["en", "zh", "de", "fr", "ja"]);
const storageKey = "rustfs-docs-language";
const getPathLanguage = () =>
window.location.pathname.match(/^\/(en|zh|de|fr|ja)(?:\/|$)/)?.[1];
Comment on lines +2 to +5
const savePathLanguage = () => {
const language = getPathLanguage();
if (!language) return;

try {
window.localStorage.setItem(storageKey, language);
} catch {
// Language detection still works when storage is unavailable.
}
};

if (getPathLanguage()) {
savePathLanguage();

if (window.history) {
const pushState = window.history.pushState;
window.history.pushState = function (...args) {
const result = pushState.apply(this, args);
window.queueMicrotask(savePathLanguage);
return result;
};

const replaceState = window.history.replaceState;
window.history.replaceState = function (...args) {
const result = replaceState.apply(this, args);
window.queueMicrotask(savePathLanguage);
return result;
};
window.addEventListener("popstate", savePathLanguage);
}

return;
}

if (window.location.pathname !== "/" && window.location.pathname !== "/index.html") {
return;
}

let savedLanguage;
try {
savedLanguage = window.localStorage.getItem(storageKey);
} catch {
// Fall back to the browser language when storage is unavailable.
}

const browserLanguages = navigator.languages?.length
? navigator.languages
: [navigator.language];
const detectedLanguage = browserLanguages
.map((language) => language?.toLowerCase().split("-")[0])
.find((language) => language && supportedLanguages.has(language));
const language =
savedLanguage && supportedLanguages.has(savedLanguage)
? savedLanguage
: (detectedLanguage ?? "en");

window.location.replace(
`/${language}${window.location.search}${window.location.hash}`,
);
})();
5 changes: 4 additions & 1 deletion scripts/add-language-redirects.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,12 @@ import { fileURLToPath } from 'node:url';
import { collectLanguageRedirects } from './language-redirects.mjs';

const ROOT = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
const SOURCE_INDEX = path.join(ROOT, 'public', 'index.html');
const OUTPUT_INDEX = path.join(ROOT, 'dist', 'public', 'index.html');
const OUTPUT_REDIRECTS = path.join(ROOT, 'dist', 'public', '_redirects');
const rules = collectLanguageRedirects();

const output = [...rules].map(([source, target]) => `${source} ${target}`).join('\n');
fs.copyFileSync(SOURCE_INDEX, OUTPUT_INDEX);
fs.writeFileSync(OUTPUT_REDIRECTS, `${output}\n`);
console.log(`language redirects: wrote ${rules.size} Cloudflare rules`);
console.log(`language redirects: wrote the language entry page and ${rules.size} Cloudflare rules`);
1 change: 0 additions & 1 deletion scripts/language-redirects.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,6 @@ function prefixEnglishTarget(target) {
export function collectLanguageRedirects() {
/** @type {Map<string, string>} */
const rules = new Map();
rules.set('/', '/en 302');

const existingRules = fs.readFileSync(SOURCE_REDIRECTS, 'utf8').split('\n');
for (const line of existingRules) {
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