74 lines
1.9 KiB
TypeScript
74 lines
1.9 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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'no-NO': 'Norsk Bokmål',
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} as const
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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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// we load all messages async
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export const i18n = createI18n({
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fallbackLocale: DEFAULT_LANGUAGE,
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legacy: false,
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messages: {
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[DEFAULT_LANGUAGE]: langEN,
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} as Record<SupportedLocale, any>,
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})
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export async function setLanguage(lang: SupportedLocale = getCurrentLanguage()): Promise<SupportedLocale | undefined> {
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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.value === 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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i18n.global.locale.value = lang
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document.documentElement.lang = lang
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return lang
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}
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export function getCurrentLanguage(): SupportedLocale {
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const savedLanguage = localStorage.getItem('language') as SupportedLocale | null
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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 = Object.keys(SUPPORTED_LOCALES).find(langKey => {
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return langKey === browserLanguage || langKey.startsWith(browserLanguage + '-')
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}) as SupportedLocale | undefined
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return language || DEFAULT_LANGUAGE
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}
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export async function saveLanguage(lang: SupportedLocale) {
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localStorage.setItem('language', lang)
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await setLanguage()
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} |