peter
8f65bd184e
The locale JSON's importer did not accept HMR, so the update climbed to
main.tsx, whose re-run called createRoot on the live container again; the two
roots tore each other's DOM down ('removeChild ... not a child' by the dozen),
each a fatal toast evicting an old notification. Dev only.
78 lines
3.3 KiB
TypeScript
78 lines
3.3 KiB
TypeScript
import i18n from "i18next";
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import { initReactI18next } from "react-i18next";
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import { LS } from "../lib/storage";
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// Endonyms (shown as-is regardless of the active language — the convention for language pickers).
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export const LANGUAGES = [
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{ code: "en", label: "English" },
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{ code: "hu", label: "Magyar" },
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] as const;
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export type LangCode = (typeof LANGUAGES)[number]["code"];
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const SUPPORTED = LANGUAGES.map((l) => l.code) as readonly string[];
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const LANG_KEY = LS.lang;
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// Auto-load every locale file (locales/<lang>/<area>.json) and merge each <area> under one
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// `translation` namespace, so components use t("area.key") and adding an area needs no wiring.
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const mods = import.meta.glob("./locales/*/*.json", { eager: true }) as Record<
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string,
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{ default: Record<string, unknown> }
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>;
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const resources: Record<string, { translation: Record<string, unknown> }> = {};
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for (const [path, mod] of Object.entries(mods)) {
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const m = path.match(/\/locales\/([a-z]{2})\/([a-zA-Z0-9_]+)\.json$/);
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if (!m) continue;
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const [, lang, area] = m;
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if (!lang || !area) continue; // both groups are required by the regex; satisfies the checker
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(resources[lang] ??= { translation: {} }).translation[area] = mod.default;
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}
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export function isSupported(code: string | null | undefined): code is LangCode {
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return !!code && SUPPORTED.includes(code);
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}
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// Initial language before the server preference is known: stored choice, else the browser
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// language, else English. (Signed in, BootGate adopts the account's preference before the app renders.)
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function detectInitialLang(): LangCode {
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const stored = localStorage.getItem(LANG_KEY);
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if (isSupported(stored)) return stored;
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const nav = (navigator.language || "en").slice(0, 2).toLowerCase();
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return isSupported(nav) ? nav : "en";
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}
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// Dev only: a locale edit re-runs THIS module (it accepts its own update, below) instead of climbing to
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// main.tsx — a re-run main.tsx called createRoot on the live container a second time, and the two roots
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// tore each other's DOM down ("removeChild … not a child" by the dozen, each one a fatal toast that evicted
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// an old notification). On a re-run the i18next singleton is already up: swap the texts in and re-render.
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if (i18n.isInitialized) {
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for (const [lng, r] of Object.entries(resources))
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i18n.addResourceBundle(lng, "translation", r.translation, true, true);
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void i18n.changeLanguage(i18n.language);
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} else {
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const initial = detectInitialLang();
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void i18n.use(initReactI18next).init({
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resources,
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lng: initial,
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fallbackLng: "en",
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interpolation: { escapeValue: false },
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returnNull: false,
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});
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document.documentElement.lang = initial;
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}
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if (import.meta.hot) import.meta.hot.accept();
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export function setLanguage(code: LangCode): void {
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void i18n.changeLanguage(code);
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localStorage.setItem(LANG_KEY, code);
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document.documentElement.lang = code;
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}
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// The Plex overlay serves only EN or HU metadata (E5 S6). Collapse the active UI language to one of
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// those for the `?lang=` param / query keys. Components read `i18n.language` off useTranslation (which
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// re-renders on switch); this singleton reader is for non-component code (e.g. plexPlayerHooks).
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export function plexLang(): "en" | "hu" {
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return i18n.language?.startsWith("hu") ? "hu" : "en";
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}
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export default i18n;
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