feat(harmony): 支持i18n

packages/uni-app-harmony/build.json

@@ -16,11 +16,11 @@
       "__VUE_PROD_HYDRATION_MISMATCH_DETAILS__": "false",
       "__UNI_FEATURE_WX__": "true",
       "__UNI_FEATURE_PROMISE__": "false",
-      "__UNI_FEATURE_I18N_EN__": "false",
-      "__UNI_FEATURE_I18N_ES__": "false",
-      "__UNI_FEATURE_I18N_FR__": "false",
-      "__UNI_FEATURE_I18N_ZH_HANS__": "false",
-      "__UNI_FEATURE_I18N_ZH_HANT__": "false",
+      "__UNI_FEATURE_I18N_EN__": "true",
+      "__UNI_FEATURE_I18N_ES__": "true",
+      "__UNI_FEATURE_I18N_FR__": "true",
+      "__UNI_FEATURE_I18N_ZH_HANS__": "true",
+      "__UNI_FEATURE_I18N_ZH_HANT__": "true",
       "plus.os.name": "'Harmony'",
       "plus.os.version": "''"
     },

packages/uni-app-harmony/src/service/api/route/navigateBack.ts

@@ -6,7 +6,12 @@ import {
   NavigateBackProtocol,
   defineAsyncApi,
 } from '@dcloudio/uni-api'
-import { getCurrentPage, invokeHook } from '@dcloudio/uni-core'
+import {
+  getCurrentPage,
+  initI18nAppMsgsOnce,
+  invokeHook,
+  useI18n,
+} from '@dcloudio/uni-core'
 import { ON_BACK_PRESS, ON_SHOW } from '@dcloudio/uni-shared'
 
 import {
@@ -60,11 +65,10 @@ export const navigateBack = defineAsyncApi<API_TYPE_NAVIGATE_BACK>(
 let firstBackTime = 0
 
 function quit() {
-  // TODO initI18nAppMsgsOnce()
+  initI18nAppMsgsOnce()
   if (!firstBackTime) {
     firstBackTime = Date.now()
-    // TODO useI18n
-    plus.nativeUI.toast('再按一次退出應用')
+    plus.nativeUI.toast(useI18n().t('uni.app.quit'))
     setTimeout(() => {
       firstBackTime = 0
     }, 2000)

packages/uni-app-harmony/src/service/framework/app/index.ts

 import type { ComponentPublicInstance } from 'vue'
 import { extend } from '@vue/shared'
 import { formatLog } from '@dcloudio/uni-shared'
-import { defineGlobalData, initService } from '@dcloudio/uni-core'
+import { defineGlobalData, initAppVm, initService } from '@dcloudio/uni-core'
 import { initVueApp } from '@dcloudio/uni-app-plus/service/framework/app/vueApp'
 import { initSubscribeHandlers } from './subscriber'
 import { initGlobalEvent } from './initGlobalEvent'
@@ -12,10 +12,18 @@ const defaultApp = {
   globalData: {},
 }
 
-function initAppVm(appVm: ComponentPublicInstance) {
-  appVm.$vm = appVm
-  appVm.$mpType = 'app'
-  // TODO useI18n
+export function getApp({ allowDefault = false } = {}) {
+  if (appCtx) {
+    // 真实的 App 已初始化
+    return appCtx
+  }
+  if (allowDefault) {
+    // 返回默认实现
+    return defaultApp
+  }
+  console.error(
+    '[warn]: getApp() failed. Learn more: https://uniapp.dcloud.io/collocation/frame/window?id=getapp.'
+  )
 }
 
 export function registerApp(appVm: ComponentPublicInstance) {

packages/uni-app-harmony/src/service/index.ts

 import * as uni from './api/index'
 import { UniServiceJSBridge } from './bridge'
-import { registerApp as __registerApp } from './framework/app'
+import { registerApp as __registerApp, getApp } from './framework/app'
 import { definePage as __definePage } from '@dcloudio/uni-app-plus/service/framework/page'
 import { getCurrentPages } from '@dcloudio/uni-app-plus/service/framework/page'
 
 export default {
   uni,
+  getApp,
   getCurrentPages,
   __definePage,
   __registerApp,