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import { createI18n } from 'vue-i18n'
import type { I18nOptions } from 'vue-i18n'
import zhCN from './locales/zh-CN.json'
import enUS from './locales/en-US.json'
import jaJP from './locales/ja-JP.json'
import koKR from './locales/ko-KR.json'
import frFR from './locales/fr-FR.json'
import deDE from './locales/de-DE.json'
import esES from './locales/es-ES.json'
import ruRU from './locales/ru-RU.json'
export const SUPPORT_LOCALES = [
{
code: 'zh-CN',
name: '简体中文',
flag: '🇨🇳',
dir: 'ltr'
},
{
code: 'en-US',
name: 'English',
flag: '🇺🇸',
dir: 'ltr'
},
{
code: 'ja-JP',
name: '日本語',
flag: '🇯🇵',
dir: 'ltr'
},
{
code: 'ko-KR',
name: '한국어',
flag: '🇰🇷',
dir: 'ltr'
},
{
code: 'fr-FR',
name: 'Français',
flag: '🇫🇷',
dir: 'ltr'
},
{
code: 'de-DE',
name: 'Deutsch',
flag: '🇩🇪',
dir: 'ltr'
},
{
code: 'es-ES',
name: 'Español',
flag: '🇪🇸',
dir: 'ltr'
},
{
code: 'ru-RU',
name: 'Русский',
flag: '🇷🇺',
dir: 'ltr'
}
] as const
export const DEFAULT_LOCALE = 'zh-CN'
export const FALLBACK_LOCALE = 'en-US'
const messages = {
'zh-CN': zhCN,
'en-US': enUS,
'ja-JP': jaJP,
'ko-KR': koKR,
'fr-FR': frFR,
'de-DE': deDE,
'es-ES': esES,
'ru-RU': ruRU
}
export function getBrowserLocale(): string {
const navigatorLocale = navigator.language || (navigator as any).userLanguage
if (SUPPORT_LOCALES.some(locale => locale.code === navigatorLocale)) {
return navigatorLocale
}
const languageCode = navigatorLocale.split('-')[0]
const matchedLocale = SUPPORT_LOCALES.find(locale =>
locale.code.startsWith(languageCode)
)
return matchedLocale?.code || DEFAULT_LOCALE
}
export function getStoredLocale(): string {
try {
const stored = localStorage.getItem('app-locale')
if (stored && SUPPORT_LOCALES.some(locale => locale.code === stored)) {
return stored
}
} catch (error) {
console.warn('Failed to get stored locale:', error)
}
return getBrowserLocale()
}
export function setStoredLocale(locale: string): void {
try {
localStorage.setItem('app-locale', locale)
} catch (error) {
console.warn('Failed to store locale:', error)
}
}
const i18nOptions: I18nOptions = {
legacy: false,
locale: getStoredLocale(),
fallbackLocale: FALLBACK_LOCALE,
messages,
numberFormats: {
'zh-CN': {
currency: {
style: 'currency',
currency: 'CNY',
notation: 'standard'
},
decimal: {
style: 'decimal',
minimumFractionDigits: 2,
maximumFractionDigits: 2
},
percent: {
style: 'percent',
useGrouping: false
}
},
'en-US': {
currency: {
style: 'currency',
currency: 'USD',
notation: 'standard'
},
decimal: {
style: 'decimal',
minimumFractionDigits: 2,
maximumFractionDigits: 2
},
percent: {
style: 'percent',
useGrouping: false
}
},
'ja-JP': {
currency: {
style: 'currency',
currency: 'JPY',
notation: 'standard'
},
decimal: {
style: 'decimal',
minimumFractionDigits: 0,
maximumFractionDigits: 0
},
percent: {
style: 'percent',
useGrouping: false
}
}
},
datetimeFormats: {
'zh-CN': {
short: {
year: 'numeric',
month: 'short',
day: 'numeric'
},
long: {
year: 'numeric',
month: 'short',
day: 'numeric',
weekday: 'short',
hour: 'numeric',
minute: 'numeric'
},
time: {
hour: 'numeric',
minute: 'numeric',
second: 'numeric'
}
},
'en-US': {
short: {
year: 'numeric',
month: 'short',
day: 'numeric'
},
long: {
year: 'numeric',
month: 'short',
day: 'numeric',
weekday: 'short',
hour: 'numeric',
minute: 'numeric'
},
time: {
hour: 'numeric',
minute: 'numeric',
second: 'numeric'
}
}
},
missingWarn: process.env.NODE_ENV !== 'production',
fallbackWarn: process.env.NODE_ENV !== 'production',
globalInjection: true,
mode: 'composition'
}
export const i18n = createI18n(i18nOptions)
export function getCurrentLocaleInfo() {
const currentLocale = i18n.global.locale.value
return SUPPORT_LOCALES.find(locale => locale.code === currentLocale)
}
export async function setLocale(locale: string): Promise<void> {
if (!SUPPORT_LOCALES.some(l => l.code === locale)) {
console.warn(`Unsupported locale: ${locale}`)
return
}
if (!i18n.global.availableLocales.includes(locale)) {
try {
const messages = await import(`./locales/${locale}.json`)
i18n.global.setLocaleMessage(locale, messages.default)
} catch (error) {
console.error(`Failed to load locale ${locale}:`, error)
return
}
}
i18n.global.locale.value = locale
setStoredLocale(locale)
document.documentElement.lang = locale
const localeInfo = SUPPORT_LOCALES.find(l => l.code === locale)
if (localeInfo) {
document.documentElement.dir = localeInfo.dir
}
}
export default i18n
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