index.ts
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import type { Language } from 'element-plus/es/locale';
import type { App } from 'vue';
import type { LocaleSetupOptions, SupportedLanguagesType } from '@vben/locales';
import { ref } from 'vue';
import {
$t,
setupI18n as coreSetup,
loadLocalesMapFromDir,
} from '@vben/locales';
import { preferences } from '@vben/preferences';
import dayjs from 'dayjs';
import enLocale from 'element-plus/es/locale/lang/en';
import defaultLocale from 'element-plus/es/locale/lang/zh-cn';
const elementLocale = ref<Language>(defaultLocale);
const modules = import.meta.glob('./langs/**/*.json');
const localesMap = loadLocalesMapFromDir(
/\.\/langs\/([^/]+)\/(.*)\.json$/,
modules,
);
/**
* 加载应用特有的语言包
* 这里也可以改造为从服务端获取翻译数据
* @param lang
*/
async function loadMessages(lang: SupportedLanguagesType) {
const [appLocaleMessages] = await Promise.all([
localesMap[lang]?.(),
loadThirdPartyMessage(lang),
]);
return appLocaleMessages?.default;
}
/**
* 加载第三方组件库的语言包
* @param lang
*/
async function loadThirdPartyMessage(lang: SupportedLanguagesType) {
await Promise.all([loadElementLocale(lang), loadDayjsLocale(lang)]);
}
/**
* 加载dayjs的语言包
* @param lang
*/
async function loadDayjsLocale(lang: SupportedLanguagesType) {
let locale;
switch (lang) {
case 'en-US': {
locale = await import('dayjs/locale/en');
break;
}
case 'zh-CN': {
locale = await import('dayjs/locale/zh-cn');
break;
}
// 默认使用英语
default: {
locale = await import('dayjs/locale/en');
}
}
if (locale) {
dayjs.locale(locale);
} else {
console.error(`Failed to load dayjs locale for ${lang}`);
}
}
/**
* 加载element-plus的语言包
* @param lang
*/
async function loadElementLocale(lang: SupportedLanguagesType) {
switch (lang) {
case 'en-US': {
elementLocale.value = enLocale;
break;
}
case 'zh-CN': {
elementLocale.value = defaultLocale;
break;
}
}
}
async function setupI18n(app: App, options: LocaleSetupOptions = {}) {
await coreSetup(app, {
defaultLocale: preferences.app.locale,
loadMessages,
missingWarn: !import.meta.env.PROD,
...options,
});
}
export { $t, elementLocale, setupI18n };