forked from 1b-agent/opencadstudio-upstream
26 lines
1.0 KiB
JavaScript
26 lines
1.0 KiB
JavaScript
function preferredLocale(language) {
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const tag = (language || "").toLowerCase();
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const exact = SITE_LOCALES.find(locale => locale.toLowerCase() === tag);
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if (exact) return exact;
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const base = tag.split("-")[0];
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if (base === "zh") {
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return /(?:^|-)hant(?:-|$)|(?:^|-)(tw|hk|mo)(?:-|$)/.test(tag) ? "zh-TW" : "zh-CN";
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}
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return SITE_LOCALES.find(locale => locale.split("-")[0] === base) || "en-US";
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}
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(() => {
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const storageKey = "ocs.site.language";
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let saved;
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try { saved = localStorage.getItem(storageKey); } catch {}
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const locale = SITE_LOCALES.includes(saved) ? saved : preferredLocale(navigator.language);
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if ((location.pathname === "/" || location.pathname === "/index.html") && locale !== "en-US") {
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location.replace(`/${locale}/${location.search}${location.hash}`);
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}
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document.addEventListener("click", event => {
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const link = event.target.closest(".language-picker a[hreflang]");
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if (!link) return;
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try { localStorage.setItem(storageKey, link.hreflang); } catch {}
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});
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})();
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