elk/plugins/setup-i18n.ts

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2022-12-28 03:50:29 +00:00
import { COOKIE_MAX_AGE, STORAGE_KEY_LANG } from '~/constants'
export default defineNuxtPlugin(async (nuxt) => {
const i18n = nuxt.vueApp.config.globalProperties.$i18n
const { setLocale, locales } = nuxt.vueApp.config.globalProperties.$i18n
const cookieLocale = useCookie(STORAGE_KEY_LANG, { maxAge: COOKIE_MAX_AGE })
const isFirstVisit = cookieLocale.value == null
if (process.client && isFirstVisit) {
const userLang = (navigator.language || 'en-US').toLowerCase()
// cause vue-i18n not explicit export LocaleObject type
const supportLocales = unref(locales) as { code: string }[]
const lang = supportLocales.find(locale => userLang.startsWith(locale.code.toLowerCase()))?.code
|| supportLocales.find(locale => userLang.startsWith(locale.code.split('-')[0]))?.code
cookieLocale.value = lang || 'en-US'
}
if (cookieLocale.value && cookieLocale.value !== i18n.locale)
await setLocale(cookieLocale.value)
if (process.client) {
watchEffect(() => {
cookieLocale.value = i18n.locale
})
}
})