fix(v3): add $page (view)

packages/uni-app-plus/dist/index.v3.js

@@ -9012,7 +9012,8 @@ var serviceContext = (function () {
 
   const handleVdData = {
     [UI_EVENT]: function onUIEvent (vdBatchEvent, vd) {
-      vdBatchEvent.forEach(([cid, nid, event]) => {
+      vdBatchEvent.forEach(([cid, nid, event]) => {
+        nid = String(nid);
         console.log(`[EVENT]`, cid, nid, event);
         event.preventDefault = noop;
         event.stopPropagation = noop;

packages/uni-app-plus/dist/view.umd.js

@@ -13108,6 +13108,13 @@ var data = __webpack_require__(12);
 // CONCATENATED MODULE: ./src/platforms/app-plus/view/framework/plugins/event.js
 
 function initEvent(Vue) {
+  // 部分组件内部使用了$page
+  Object.defineProperty(Vue.prototype, '$page', {
+    get: function get() {
+      return getCurrentPages()[0].$page;
+    }
+  });
+
   Vue.prototype.$handleViewEvent = function ($vueEvent, options) {
     var $event = this.$handleEvent($vueEvent);
     var cid = this._$id; // 当自定义组件根节点触发事件时，nid 始终为 0

src/platforms/app-plus/service/framework/plugins/vdom-sync.js

@@ -17,7 +17,8 @@ import {
 
 const handleVdData = {
   [UI_EVENT]: function onUIEvent (vdBatchEvent, vd) {
-    vdBatchEvent.forEach(([cid, nid, event]) => {
+    vdBatchEvent.forEach(([cid, nid, event]) => {
+      nid = String(nid)
       console.log(`[EVENT]`, cid, nid, event)
       event.preventDefault = noop
       event.stopPropagation = noop

src/platforms/app-plus/view/framework/plugins/event.js

@@ -3,6 +3,13 @@ import {
 } from './data'
 
 export function initEvent (Vue) {
+  // 部分组件内部使用了$page
+  Object.defineProperty(Vue.prototype, '$page', {
+    get () {
+      return getCurrentPages()[0].$page
+    }
+  })
+
   Vue.prototype.$handleViewEvent = function ($vueEvent, options) {
     const $event = this.$handleEvent($vueEvent)
     const cid = this._$id