2025-11-30 19:14:21 +02:00

89 lines
2.9 KiB
TypeScript

import i18next from "i18next";
import options from "./options.js";
import sql_init from "./sql_init.js";
import { join } from "path";
import { getResourceDir } from "./utils.js";
import hidden_subtree from "./hidden_subtree.js";
import { LOCALES, type Locale, type LOCALE_IDS } from "@triliumnext/commons";
import dayjs, { Dayjs } from "dayjs";
// When adding a new locale, prefer the version with hyphen instead of underscore.
export const DAYJS_LOADER: Record<LOCALE_IDS, () => Promise<typeof import("dayjs/locale/en.js")>> = {
"ar": () => import("dayjs/locale/ar.js"),
"cn": () => import("dayjs/locale/zh-cn.js"),
"de": () => import("dayjs/locale/de.js"),
"en": () => import("dayjs/locale/en.js"),
"en-GB": () => import("dayjs/locale/en-gb.js"),
"en_rtl": () => import("dayjs/locale/en.js"),
"es": () => import("dayjs/locale/es.js"),
"fa": () => import("dayjs/locale/fa.js"),
"fr": () => import("dayjs/locale/fr.js"),
"it": () => import("dayjs/locale/it.js"),
"he": () => import("dayjs/locale/he.js"),
"ja": () => import("dayjs/locale/ja.js"),
"ku": () => import("dayjs/locale/ku.js"),
"pt_br": () => import("dayjs/locale/pt-br.js"),
"pt": () => import("dayjs/locale/pt.js"),
"ro": () => import("dayjs/locale/ro.js"),
"ru": () => import("dayjs/locale/ru.js"),
"tw": () => import("dayjs/locale/zh-tw.js"),
"uk": () => import("dayjs/locale/uk.js"),
}
export async function initializeTranslations() {
const resourceDir = getResourceDir();
const Backend = (await import("i18next-fs-backend/cjs")).default;
const locale = getCurrentLanguage();
// Initialize translations
await i18next.use(Backend).init({
lng: locale,
fallbackLng: "en",
ns: "server",
backend: {
loadPath: join(resourceDir, "assets/translations/{{lng}}/{{ns}}.json")
}
});
// Initialize dayjs locale.
const dayjsLocale = DAYJS_LOADER[locale];
if (dayjsLocale) {
dayjs.locale(await dayjsLocale());
}
}
export function ordinal(date: Dayjs) {
return dayjs(date)
.format("Do");
}
export function getLocales(): Locale[] {
return LOCALES;
}
function getCurrentLanguage(): LOCALE_IDS {
let language: string | null = null;
if (sql_init.isDbInitialized()) {
language = options.getOptionOrNull("locale");
}
if (!language) {
console.info("Language option not found, falling back to en.");
language = "en";
}
return language as LOCALE_IDS;
}
export async function changeLanguage(locale: string) {
await i18next.changeLanguage(locale);
hidden_subtree.checkHiddenSubtree(true, { restoreNames: true });
}
export function getCurrentLocale() {
const localeId = options.getOptionOrNull("locale") ?? "en";
const currentLocale = LOCALES.find(l => l.id === localeId);
if (!currentLocale) return LOCALES.find(l => l.id === "en")!;
return currentLocale;
}