🐛(i18n): 修复按需加载下 i18n 的注册问题

package/component/src/component/input/index.vue

@@ -8,7 +8,7 @@ export default {
 import "./index.less";
 import { LayIcon } from "@layui/icons-vue";
 import { useSlots } from "vue";
-import { useI18n } from "vue-i18n";
+import { useI18n }  from "../../language";
 
 const { t } = useI18n();
 const slots = useSlots();

package/component/src/component/page/index.vue

@@ -7,7 +7,7 @@ export default {
 <script setup lang="ts">
 import "./index.less";
 import { Ref, ref, watch, useSlots, computed } from "vue";
-import { useI18n } from "vue-i18n";
+import { useI18n }  from "../../language";
 
 export interface LayPageProps {
   total: number;

package/component/src/index.ts

@@ -5,6 +5,7 @@ import "@layui/layer-vue/lib/index.css";
 import "@layui/icons-vue/lib/index.css";
 import { layer } from "@layui/layer-vue";
 import layerInstall from "@layui/layer-vue";
+import i18n from "./language";
 
 import LayBacktop from "./component/backTop/index";
 import LayAvatar from "./component/avatar/index";
@@ -169,6 +170,7 @@ const install = (app: App, options?: InstallOptions): void => {
   for (const key of Object.keys(components)) {
     app.use(components[key], options);
   }
+  app.use(i18n);
   app.use(layerInstall);
 };
 

package/component/src/language/index.ts

@@ -1,4 +1,5 @@
-import { createI18n } from "vue-i18n";
+import { getCurrentInstance } from "vue";
+import { createI18n, useI18n as __useI18n__ } from "vue-i18n";
 import zh_CN from "./locales/zh_CN";
 import en_US from "./locales/en_US";
 
@@ -11,4 +12,18 @@ const i18n = createI18n({
   },
 });
 
+export function useI18n() {
+  let i18nInstance;
+  const app = getCurrentInstance()?.appContext.app;
+
+  try {
+    i18nInstance = __useI18n__();
+  } catch (e) {
+    app?.use(i18n);
+    i18nInstance = __useI18n__();
+  }
+
+  return i18nInstance;
+}
+
 export default i18n;

package/component/src/provider/index.vue

@@ -6,7 +6,7 @@ export default {
 
 <script setup lang="ts">
 import { watch } from "vue";
-import { useI18n } from "vue-i18n";
+import { useI18n }  from "../language";
 import {
   Theme,
   DynamicThemeFix,

package/component/src/utils/withInstall.ts

@@ -1,15 +1,11 @@
-import type { App, Plugin } from "vue";
-import i18n from "../language";
+import { App, Plugin } from "vue";
 
 export type WithInstallType<T> = T & Plugin;
 
 export const withInstall = <T>(comp: T): T & Plugin => {
   const component = comp as any;
 
-  component.install = (app: App | any) => {
-    if (!app.__VUE_I18N_SYMBOL__) {
-      app.use(i18n);
-    }
+  component.install = (app: App) => {
     app.component(component.name, comp);
   };
 

package/document/src/document/zh-CN/guide/getStarted.md

@@ -75,7 +75,7 @@ export default {
 }
 ```
 
-::: describe LayuiVueResolver 选项类型声明
+::: describe LayuiVueResolver 类型声明
 :::
 
 ```ts