import { createI18n } from 'vue-i18n'
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import { getStorage, getBrowserLang } from '@/utils/index'
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import enLocale from './modules/en'
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import cnLocale from './modules/CN'
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import zhcnLocale from './modules/zh-CN'
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import korcnLocale from './modules/Korean'
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import japcnLocale from './modules/Japanese'
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import Deutsch from './modules/de'
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import fr from './modules/fr'
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import vi from './modules/vi'
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import th from './modules/th'
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import gr from './modules/gr'
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import Italy from './modules/Italy'
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import SpanishLocal from './modules/es'
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import PortugueseLocal from './modules/pt'
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// 支持的 locale 列表，用于校验
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const SUPPORTED_LOCALES = ['en', 'CN', 'zh-CN', 'Korean', 'Japanese', 'de', 'fr', 'vi', 'th', 'Italy', 'es', 'pt', 'gr']
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// 获取初始语言：缓存 > 浏览器语言，并确保在支持列表中
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function getInitialLocale() {
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const cached = getStorage('lang')
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if (cached && SUPPORTED_LOCALES.includes(cached)) return cached
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const browserLang = getBrowserLang()
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return SUPPORTED_LOCALES.includes(browserLang) ? browserLang : 'en'
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}
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const messages = {
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en: { ...enLocale },
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CN: { ...cnLocale },
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'zh-CN': { ...zhcnLocale },
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Korean: { ...korcnLocale },
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Japanese: { ...japcnLocale },
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de: { ...Deutsch },
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fr: { ...fr },
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vi: { ...vi },
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th: { ...th },
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Italy: { ...Italy },
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es: { ...SpanishLocal },
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pt: { ...PortugueseLocal },
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gr: { ...gr }
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}
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const i18n = createI18n({
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legacy: false,
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locale: getInitialLocale(),
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fallbackLocale: ['zh-CN', 'en'], // 缺失 key 时先回退到简体中文，再回退到英文
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messages,
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missingWarn: import.meta.env.DEV, // 仅开发环境输出缺失 key 警告
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fallbackWarn: import.meta.env.DEV,
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silentTranslationWarn: !import.meta.env.DEV
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})
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export default i18n
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