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src/hooks/web/useLocale.ts

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+import { i18n } from '@/plugins/vueI18n'
+import { useLocaleStoreWithOut } from '@/store/modules/locale'
+import { setHtmlPageLang } from '@/plugins/vueI18n/helper'
+
+const setI18nLanguage = (locale: LocaleType) => {
+  const localeStore = useLocaleStoreWithOut()
+
+  if (i18n.mode === 'legacy') {
+    i18n.global.locale = locale
+  } else {
+    ;(i18n.global.locale as any).value = locale
+  }
+  localeStore.setCurrentLocale({
+    lang: locale
+  })
+  setHtmlPageLang(locale)
+}
+
+export const useLocale = () => {
+  // Switching the language will change the locale of useI18n
+  // And submit to configuration modification
+  const changeLocale = async (locale: LocaleType) => {
+    const globalI18n = i18n.global
+
+    const langModule = await import(`../../locales/${locale}.ts`)
+
+    globalI18n.setLocaleMessage(locale, langModule.default)
+
+    setI18nLanguage(locale)
+  }
+
+  return {
+    changeLocale
+  }
+}