feat(i18n): support nvue

packages/uni-app-plus/dist/uni-app-service.es.js

@@ -2214,9 +2214,15 @@ var serviceContext = (function (vue) {
       const locale = vue.ref(useI18n().getLocale());
       Object.defineProperty(appVm, '$locale', {
           get() {
+              {
+                  uni.$nvueState && uni.$nvueState.locale;
+              }
               return locale.value;
           },
           set(v) {
+              {
+                  uni.$nvueState && (uni.$nvueState.locale = v);
+              }
               locale.value = v;
           },
       });

packages/uni-core/src/service/init/index.ts

@@ -18,9 +18,15 @@ export function initAppVm(appVm: ComponentPublicInstance) {
   const locale = ref<string>(useI18n().getLocale())
   Object.defineProperty(appVm, '$locale', {
     get() {
+      if (__PLATFORM__ === 'app') {
+        ;(uni as any).$nvueState && (uni as any).$nvueState.locale
+      }
       return locale.value
     },
     set(v) {
+      if (__PLATFORM__ === 'app') {
+        ;(uni as any).$nvueState && ((uni as any).$nvueState.locale = v)
+      }
       locale.value = v
     },
   })