90 lines
2.4 KiB
TypeScript
90 lines
2.4 KiB
TypeScript
import Vue from "vue";
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import VueI18n from "vue-i18n";
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import { DateFnsPlugin } from "@/plugins/dateFns";
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import { USER_LOCALE } from "@/constants";
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import en from "../i18n/en_US.json";
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import langs from "../i18n/langs.json";
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const DEFAULT_LOCALE = "en_US";
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let language =
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localStorage.getItem(USER_LOCALE) || (document.documentElement.getAttribute("lang") as string);
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language =
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language ||
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((window.navigator as any).userLanguage || window.navigator.language).replace(/-/, "_");
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export const locale =
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language && Object.prototype.hasOwnProperty.call(langs, language)
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? language
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: language.split("-")[0];
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Vue.use(VueI18n);
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export const i18n = new VueI18n({
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locale: DEFAULT_LOCALE, // set locale
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-ignore
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messages: en, // set locale messages
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fallbackLocale: DEFAULT_LOCALE,
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});
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const loadedLanguages = [DEFAULT_LOCALE];
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function setI18nLanguage(lang: string): string {
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i18n.locale = lang;
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return lang;
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}
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function fileForLanguage(matches: Record<string, string>, lang: string) {
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if (Object.prototype.hasOwnProperty.call(matches, lang)) {
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return matches[lang];
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}
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return lang;
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}
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function vueI18NfileForLanguage(lang: string) {
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const matches: Record<string, string> = {
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fr: "fr_FR",
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en: "en_US",
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};
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return fileForLanguage(matches, lang);
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}
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function dateFnsfileForLanguage(lang: string) {
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const matches: Record<string, string> = {
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en_US: "en-US",
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en: "en-US",
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};
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return fileForLanguage(matches, lang);
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}
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Vue.use(DateFnsPlugin, { locale: dateFnsfileForLanguage(locale) });
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export async function loadLanguageAsync(lang: string): Promise<string> {
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// If the same language
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if (i18n.locale === lang) {
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return Promise.resolve(setI18nLanguage(lang));
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}
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// If the language was already loaded
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if (loadedLanguages.includes(lang)) {
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return Promise.resolve(setI18nLanguage(lang));
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}
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// If the language hasn't been loaded yet
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const newMessages = await import(
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/* webpackChunkName: "lang-[request]" */ `@/i18n/${vueI18NfileForLanguage(lang)}.json`
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);
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i18n.setLocaleMessage(lang, newMessages.default);
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loadedLanguages.push(lang);
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return setI18nLanguage(lang);
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}
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loadLanguageAsync(locale);
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export function formatList(list: string[]): string {
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if (window.Intl && Intl.ListFormat) {
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const formatter = new Intl.ListFormat(undefined, { style: "long", type: "conjunction" });
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return formatter.format(list);
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}
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return list.join(",");
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}
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