132 lines
3.9 KiB
TypeScript
132 lines
3.9 KiB
TypeScript
import LanguageDetector from "i18next-browser-languagedetector";
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import fallbackLanguageData from "./locales/en.json";
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import percentages from "./locales/percentages.json";
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const COMPLETION_THRESHOLD_TO_EXCEED = 85;
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interface Language {
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lng: string;
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label: string;
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rtl?: boolean;
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}
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const allLanguages: Language[] = [
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{ lng: "bg-BG", label: "Български" },
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{ lng: "de-DE", label: "Deutsch" },
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{ lng: "es-ES", label: "Español" },
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{ lng: "ca-ES", label: "Catalan" },
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{ lng: "el-GR", label: "Ελληνικά" },
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{ lng: "fr-FR", label: "Français" },
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{ lng: "id-ID", label: "Bahasa Indonesia" },
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{ lng: "it-IT", label: "Italiano" },
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{ lng: "hu-HU", label: "Magyar" },
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{ lng: "nl-NL", label: "Nederlands" },
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{ lng: "nb-NO", label: "Norsk bokmål" },
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{ lng: "nn-NO", label: "Norsk nynorsk" },
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{ lng: "pl-PL", label: "Polski" },
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{ lng: "pt-PT", label: "Português" },
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{ lng: "ru-RU", label: "Русский" },
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{ lng: "uk-UA", label: "Українська" },
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{ lng: "fi-FI", label: "Suomi" },
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{ lng: "tr-TR", label: "Türkçe" },
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{ lng: "ja-JP", label: "日本語" },
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{ lng: "ko-KR", label: "한국어" },
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{ lng: "zh-TW", label: "繁體中文" },
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{ lng: "zh-CN", label: "简体中文" },
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{ lng: "ar-SA", label: "العربية", rtl: true },
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{ lng: "he-IL", label: "עברית", rtl: true },
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{ lng: "hi-IN", label: "हिन्दी" },
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{ lng: "ta-IN", label: "தமிழ்" },
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{ lng: "gl-ES", label: "Galego" },
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{ lng: "ro-RO", label: "Română" },
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{ lng: "sv-SE", label: "Svenska" },
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{ lng: "sk-SK", label: "Slovenčina" },
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{ lng: "my-MM", label: "Burmese" },
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{ lng: "ha-HG", label: "Hausa" },
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];
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export const languages: Language[] = [{ lng: "en", label: "English" }]
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.concat(
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allLanguages.sort((left, right) => (left.label > right.label ? 1 : -1)),
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)
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.filter(
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(lang) =>
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(percentages as Record<string, number>)[lang.lng] >
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COMPLETION_THRESHOLD_TO_EXCEED,
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);
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let currentLanguage = languages[0];
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let currentLanguageData = {};
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const fallbackLanguage = languages[0];
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export const setLanguage = async (newLng: string | undefined) => {
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currentLanguage =
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languages.find((language) => language.lng === newLng) || fallbackLanguage;
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document.documentElement.dir = currentLanguage.rtl ? "rtl" : "ltr";
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currentLanguageData = await import(
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/* webpackChunkName: "i18n-[request]" */ `./locales/${currentLanguage.lng}.json`
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);
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languageDetector.cacheUserLanguage(currentLanguage.lng);
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};
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export const setLanguageFirstTime = async () => {
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const newLng: string | undefined = languageDetector.detect();
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currentLanguage =
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languages.find((language) => language.lng === newLng) || fallbackLanguage;
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document.documentElement.dir = currentLanguage.rtl ? "rtl" : "ltr";
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currentLanguageData = await import(
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/* webpackChunkName: "i18n-[request]" */ `./locales/${currentLanguage.lng}.json`
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);
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languageDetector.cacheUserLanguage(currentLanguage.lng);
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};
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export const getLanguage = () => currentLanguage;
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const findPartsForData = (data: any, parts: string[]) => {
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for (var i = 0; i < parts.length; ++i) {
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const part = parts[i];
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if (data[part] === undefined) {
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return undefined;
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}
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data = data[part];
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}
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if (typeof data !== "string") {
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return undefined;
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}
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return data;
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};
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export const t = (path: string, replacement?: { [key: string]: string }) => {
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const parts = path.split(".");
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let translation =
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findPartsForData(currentLanguageData, parts) ||
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findPartsForData(fallbackLanguageData, parts);
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if (translation === undefined) {
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throw new Error(`Can't find translation for ${path}`);
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}
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if (replacement) {
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for (var key in replacement) {
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translation = translation.replace(`{{${key}}}`, replacement[key]);
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}
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}
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return translation;
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};
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const languageDetector = new LanguageDetector();
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languageDetector.init({
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languageUtils: {
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formatLanguageCode: (lng: string) => lng,
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isWhitelisted: () => true,
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},
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checkWhitelist: false,
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});
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