Files
outline/server/utils/i18n.ts
Tom Moor 53414ec3ba feat: Server side translation setup (#4657)
* Server side translation setup

* docs
2023-01-07 11:52:09 -08:00

59 lines
1.4 KiB
TypeScript

import path from "path";
import i18n from "i18next";
import backend from "i18next-fs-backend";
import { languages } from "@shared/i18n";
import { unicodeBCP47toCLDR, unicodeCLDRtoBCP47 } from "@shared/utils/date";
import env from "@server/env";
import { User } from "@server/models";
/**
* Returns i18n options for the given user or the default server language if
* no user is provided.
*
* @param user The user to get options for
* @returns i18n options
*/
export function opts(user?: User | null) {
return {
lng: unicodeCLDRtoBCP47(user?.language ?? env.DEFAULT_LANGUAGE),
};
}
/**
* Initializes i18n library, loading all available translations from the
* filesystem.
*
* @returns i18n instance
*/
export function initI18n() {
const lng = unicodeCLDRtoBCP47(env.DEFAULT_LANGUAGE);
i18n.use(backend).init({
compatibilityJSON: "v3",
backend: {
loadPath: (language: string) => {
return path.resolve(
path.join(
__dirname,
"..",
"..",
"shared",
"i18n",
"locales",
unicodeBCP47toCLDR(language),
"translation.json"
)
);
},
},
preload: languages.map(unicodeCLDRtoBCP47),
interpolation: {
escapeValue: false,
},
lng,
fallbackLng: lng,
keySeparator: false,
returnNull: false,
});
return i18n;
}