import type { Locale } from 'ant-design-vue/es/locale';
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import type { App } from 'vue';
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import type { LocaleSetupOptions, SupportedLanguagesType } from '@vben/locales';
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import { ref } from 'vue';
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import { $t, setupI18n as coreSetup, i18n, loadLocalesMap } from '@vben/locales';
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import { preferences } from '@vben/preferences';
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import antdEnLocale from 'ant-design-vue/es/locale/en_US';
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import antdDefaultLocale from 'ant-design-vue/es/locale/zh_CN';
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import antdTwLocale from 'ant-design-vue/es/locale/zh_TW';
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import dayjs from 'dayjs';
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import { getLangJson } from '#/api/system/baseLang';
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const antdLocale = ref<Locale>(antdDefaultLocale);
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const modules = import.meta.glob('./langs/*.json');
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const localesMap = loadLocalesMap(modules);
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export function flattenObject(obj, prefix = '') {
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return Object.keys(obj).reduce((acc, key) => {
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const fullPath = prefix ? `${prefix}.${key}` : key; // 构建新的路径
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if (typeof obj[key] === 'object' && obj[key] !== null && !Array.isArray(obj[key])) {
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// 如果当前属性是对象，且不是数组，继续递归
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Object.assign(acc, flattenObject(obj[key], fullPath));
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} else {
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// 否则，直接设置路径和值
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acc[fullPath] = obj[key];
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}
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return acc;
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}, {});
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}
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/**
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* 加载应用特有的语言包
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* 这里也可以改造为从服务端获取翻译数据
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* @param lang
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*/
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async function loadMessages(lang: SupportedLanguagesType) {
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const [appLocaleMessages] = await Promise.all([localesMap[lang]?.(), loadThirdPartyMessage(lang)]);
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return flattenObject(appLocaleMessages?.default);
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}
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/**
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* 加载第三方组件库的语言包
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* @param lang
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*/
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async function loadThirdPartyMessage(lang: SupportedLanguagesType) {
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await Promise.all([loadAntdLocale(lang), loadDayjsLocale(lang)]);
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}
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/**
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* 加载dayjs的语言包
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* @param lang
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*/
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export async function loadDayjsLocale(lang: SupportedLanguagesType) {
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let localeName = 'zh-cn';
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switch (lang) {
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case 'en-US': {
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await import('dayjs/locale/en');
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localeName = 'en';
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break;
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}
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case 'zh-CN': {
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await import('dayjs/locale/zh-cn');
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localeName = 'zh-cn';
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break;
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}
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case 'zh-TW': {
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await import('dayjs/locale/zh-tw');
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localeName = 'zh-tw';
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break;
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}
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// 默认使用中文
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default: {
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await import('dayjs/locale/zh-cn');
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}
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}
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dayjs.locale(localeName);
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}
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/**
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* 加载antd的语言包
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* @param lang
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*/
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async function loadAntdLocale(lang: SupportedLanguagesType) {
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switch (lang) {
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case 'en-US': {
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antdLocale.value = antdEnLocale;
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break;
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}
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case 'zh-CN': {
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antdLocale.value = antdDefaultLocale;
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break;
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}
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case 'zh-TW': {
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antdLocale.value = antdTwLocale;
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break;
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}
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default: {
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antdLocale.value = antdDefaultLocale;
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break;
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}
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}
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}
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async function initLocale(locale: SupportedLanguagesType) {
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const res = await getLangJson();
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if (!res || !res.data) return;
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const message = JSON.parse(res.data) || {};
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i18n.global.mergeLocaleMessage(locale, message);
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}
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async function setupI18n(app: App, options: LocaleSetupOptions = {}) {
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await coreSetup(app, {
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defaultLocale: preferences.app.locale,
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loadMessages,
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missingWarn: !import.meta.env.PROD,
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...options,
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});
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}
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export { $t, antdLocale, initLocale, setupI18n };
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