81 lines
2.4 KiB
TypeScript
81 lines
2.4 KiB
TypeScript
import { createI18n, type I18n, type I18nOptions } from 'vue-i18n';
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import { SUPPORTED_LANGUAGE_CODES, SUPPORTED_LANGUAGES, NAMESPACES, type LanguageCode } from './constants';
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import { resolveSupportedLanguage } from './resolver';
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// 使用 import.meta.glob 动态加载所有语言文件
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// 文件路径模式：./locales/{语言}/{命名空间}.json
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const modules = import.meta.glob('./locales/*/*.json', { eager: true });
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// 构建 vue-i18n 格式的资源对象：{ [locale]: { [namespace]: messages } }
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function buildResources() {
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const resources: Record<string, Record<string, any>> = {};
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// 初始化每种语言的空对象
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SUPPORTED_LANGUAGE_CODES.forEach(lang => {
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resources[lang] = {};
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});
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// 遍历所有模块，按语言和命名空间组织
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for (const [path, module] of Object.entries(modules)) {
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// 路径示例：'./locales/en/common.json'
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const match = path.match(/\.\/locales\/([a-z]{2})\/([a-z]+)\.json$/);
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if (!match) continue;
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const [, lang, namespace] = match;
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if (!SUPPORTED_LANGUAGE_CODES.includes(lang as LanguageCode) || !NAMESPACES.includes(namespace as any)) {
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continue;
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}
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// @ts-expect-error: module 可能是 Module 类型
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const messages = (module as any).default || module;
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resources[lang][namespace] = messages;
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}
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return resources;
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}
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async function createI18nInstance() {
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const resources = buildResources();
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const options: I18nOptions = {
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legacy: false,
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locale: 'zh',
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fallbackLocale: 'zh',
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messages: resources, // 使用构建的资源对象
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availableLocales: SUPPORTED_LANGUAGE_CODES,
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fallbackFormat: true,
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datetimeFormats: {},
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numberFormats: {},
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};
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const i18n = createI18n(options);
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return i18n;
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}
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// 创建 i18n 实例
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export const i18n = await createI18nInstance();
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// 兼容性 API
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export async function setLanguage(lang: LanguageCode, _i18n?: I18n) {
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const __i18n = _i18n ?? i18n;
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if (__i18n.mode === 'legacy') {
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__i18n.global.locale = lang;
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return;
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}
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(__i18n.global.locale as unknown as { value: LanguageCode }).value = lang;
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}
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export function getLanguage() {
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if (i18n.mode === 'legacy') {
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return i18n.global.locale;
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}
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return (i18n.global.locale as unknown as { value: LanguageCode }).value;
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}
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// 导出类型和常量
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export type { LanguageCode };
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export { SUPPORTED_LANGUAGE_CODES, SUPPORTED_LANGUAGES, NAMESPACES };
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export default i18n; |