117 lines
3.0 KiB
TypeScript
117 lines
3.0 KiB
TypeScript
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// 多组件库的国际化和本地项目国际化兼容
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import { type I18n, createI18n } from "vue-i18n";
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import type { App, WritableComputedRef } from "vue";
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import { responsiveStorageNameSpace } from "@/config";
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import { storageLocal, isObject } from "@pureadmin/utils";
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// element-plus国际化
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import enLocale from "element-plus/es/locale/lang/en";
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import zhLocale from "element-plus/es/locale/lang/zh-cn";
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const siphonI18n = (function () {
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// 仅初始化一次国际化配置
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let cache = Object.fromEntries(
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Object.entries(
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import.meta.glob("../../locales/*.y(a)?ml", { eager: true })
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).map(([key, value]: any) => {
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const matched = key.match(/([A-Za-z0-9-_]+)\./i)[1];
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return [matched, value.default];
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})
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);
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return (prefix = "zh-CN") => {
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return cache[prefix];
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};
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})();
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export const localesConfigs = {
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zh: {
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...siphonI18n("zh-CN"),
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...zhLocale
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},
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en: {
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...siphonI18n("en"),
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...enLocale
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}
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};
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/** 获取对象中所有嵌套对象的key键，并将它们用点号分割组成字符串 */
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function getObjectKeys(obj) {
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const stack = [];
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const keys: Set<string> = new Set();
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stack.push({ obj, key: "" });
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while (stack.length > 0) {
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const { obj, key } = stack.pop();
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for (const k in obj) {
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const newKey = key ? `${key}.${k}` : k;
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if (obj[k] && isObject(obj[k])) {
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stack.push({ obj: obj[k], key: newKey });
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} else {
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keys.add(newKey);
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}
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}
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}
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return keys;
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}
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/** 将展开的key缓存 */
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const keysCache: Map<string, Set<string>> = new Map();
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const flatI18n = (prefix = "zh-CN") => {
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let cache = keysCache.get(prefix);
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if (!cache) {
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cache = getObjectKeys(siphonI18n(prefix));
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keysCache.set(prefix, cache);
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}
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return cache;
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};
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/**
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* 国际化转换工具函数（自动读取根目录locales文件夹下文件进行国际化匹配）
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* @param message message
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* @returns 转化后的message
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*/
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export function transformI18n(message: any = "") {
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if (!message) {
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return "";
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}
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// 处理存储动态路由的title,格式 {zh:"",en:""}
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if (typeof message === "object") {
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const locale: string | WritableComputedRef<string> | any =
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i18n.global.locale;
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return message[locale?.value];
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}
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const key = message.match(/(\S*)\./)?.input;
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if (key && flatI18n("zh-CN").has(key)) {
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return i18n.global.t.call(i18n.global.locale, message);
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} else if (!key && Object.hasOwn(siphonI18n("zh-CN"), message)) {
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// 兼容非嵌套形式的国际化写法
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return i18n.global.t.call(i18n.global.locale, message);
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} else {
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return message;
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}
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}
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/** 此函数只是配合i18n Ally插件来进行国际化智能提示，并无实际意义（只对提示起作用），如果不需要国际化可删除 */
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export const $t = (key: string) => key;
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export const i18n: I18n = createI18n({
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legacy: false,
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locale:
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storageLocal().getItem<StorageConfigs>(
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`${responsiveStorageNameSpace()}locale`
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)?.locale ?? "zh",
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fallbackLocale: "en",
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messages: localesConfigs
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});
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export function useI18n(app: App) {
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app.use(i18n);
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}
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