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feat: save locale in cookies

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This commit is contained in:
Henry Li
2026-01-20 16:00:39 +08:00
parent 32a45eb043
commit faba2784e1
7 changed files with 131 additions and 38 deletions
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37
frontend/src/core/i18n/hooks.ts
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@@ -1,7 +1,9 @@
"use client";
import { useEffect, useState } from "react";
import { useEffect } from "react";
import { useI18nContext } from "./context";
import { getLocaleFromCookie, setLocaleInCookie } from "./cookies";
import { enUS } from "./locales/en-US";
import { zhCN } from "./locales/zh-CN";
@@ -13,41 +15,24 @@ const translations: Record<Locale, Translations> = {
};
export function useI18n() {
const [locale, setLocale] = useState<Locale>(() => {
if (typeof window === "undefined") {
return "en-US";
}
// Try to get from localStorage first
const saved = localStorage.getItem("locale") as Locale | null;
if (saved && (saved === "en-US" || saved === "zh-CN")) {
return saved;
}
// Otherwise detect from browser
return detectLocale();
});
const { locale, setLocale } = useI18nContext();
const t = translations[locale];
const changeLocale = (newLocale: Locale) => {
setLocale(newLocale);
if (typeof window !== "undefined") {
localStorage.setItem("locale", newLocale);
}
setLocaleInCookie(newLocale);
};
// Initialize locale on mount
useEffect(() => {
if (typeof window !== "undefined") {
const saved = localStorage.getItem("locale") as Locale | null;
if (!saved) {
const detected = detectLocale();
setLocale(detected);
localStorage.setItem("locale", detected);
}
const saved = getLocaleFromCookie() as Locale | null;
if (!saved) {
const detected = detectLocale();
setLocale(detected);
setLocaleInCookie(detected);
}
}, []);
}, [setLocale]);
return {
locale,