84 lines
2.0 KiB
TypeScript
84 lines
2.0 KiB
TypeScript
import {createI18n} from 'vue-i18n'
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import langEN from './lang/en.json'
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export const SUPPORTED_LOCALES = {
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'en': 'English',
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'de-DE': 'Deutsch',
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'de-swiss': 'Schwizertütsch',
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'ru-RU': 'Русский',
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'fr-FR': 'Français',
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'vi-VN': 'Tiếng Việt',
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'it-IT': 'Italiano',
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'cs-CZ': 'Čeština',
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'pl-PL': 'Polski',
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'nl-NL': 'Nederlands',
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'pt-PT': 'Português',
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'zh-CN': 'Chinese',
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} as Record<string, string>
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export type SupportedLocale = keyof typeof SUPPORTED_LOCALES
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export const DEFAULT_LANGUAGE: SupportedLocale= 'en'
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export type ISOLanguage = string
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export const i18n = createI18n({
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locale: DEFAULT_LANGUAGE, // set locale
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fallbackLocale: DEFAULT_LANGUAGE,
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legacy: true,
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globalInjection: true,
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allowComposition: true,
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inheritLocale: true,
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messages: {
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en: langEN,
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} as Record<SupportedLocale, any>,
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})
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function setI18nLanguage(lang: SupportedLocale): SupportedLocale {
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i18n.global.locale = lang
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document.documentElement.lang = lang
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return lang
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}
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export async function loadLanguageAsync(lang: SupportedLocale) {
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if (!lang) {
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throw new Error()
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}
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// do not change language to the current one
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if (i18n.global.locale === lang) {
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return
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}
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// If the language hasn't been loaded yet
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if (!i18n.global.availableLocales.includes(lang)) {
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const messages = await import(`./lang/${lang}.json`)
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i18n.global.setLocaleMessage(lang, messages.default)
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}
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return setI18nLanguage(lang)
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}
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export function getCurrentLanguage(): SupportedLocale {
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const savedLanguage = localStorage.getItem('language')
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if (savedLanguage !== null) {
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return savedLanguage
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}
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const browserLanguage = navigator.language
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const language: SupportedLocale | undefined = Object.keys(SUPPORTED_LOCALES).find(langKey => {
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return langKey === browserLanguage || langKey.startsWith(browserLanguage + '-')
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})
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return language || DEFAULT_LANGUAGE
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}
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export function saveLanguage(lang: SupportedLocale) {
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localStorage.setItem('language', lang)
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setLanguage()
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}
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export function setLanguage() {
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return loadLanguageAsync(getCurrentLanguage())
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} |