feat(h5): wxs class

packages/vue-cli-plugin-uni/package.json

 {
   "name": "@dcloudio/vue-cli-plugin-uni",
-  "version": "0.9.531",
+  "version": "0.9.533",
   "description": "uni-app plugin for vue-cli 3",
   "main": "index.js",
   "scripts": {

packages/vue-cli-plugin-uni/packages/h5-vue/dist/vue.common.dev.js

@@ -6822,8 +6822,14 @@ function updateClass (oldVnode, vnode) {
     el.__wxsRemoveClass.length = 0;
   }
 
-  if(el.__wxsAddClass){
-    cls = concat(cls, el.__wxsAddClass);
+  if (el.__wxsAddClass) {
+    // 去重
+    var clsArr$1 = cls.split(/\s+/).concat(el.__wxsAddClass.split(/\s+/));
+    var clsObj = Object.create(null);
+    clsArr$1.forEach(function (cls) {
+      cls && (clsObj[cls] = 1);
+    });
+    cls = Object.keys(clsObj).join(' ');
   }
 
   // set the class

packages/vue-cli-plugin-uni/packages/h5-vue/dist/vue.esm.browser.js

@@ -6850,8 +6850,14 @@ function updateClass (oldVnode, vnode) {
     el.__wxsRemoveClass.length = 0;
   }
 
-  if(el.__wxsAddClass){
-    cls = concat(cls, el.__wxsAddClass);
+  if (el.__wxsAddClass) {
+    // 去重
+    const clsArr = cls.split(/\s+/).concat(el.__wxsAddClass.split(/\s+/));
+    const clsObj = Object.create(null);
+    clsArr.forEach(cls => {
+      cls && (clsObj[cls] = 1);
+    });
+    cls = Object.keys(clsObj).join(' ');
   }
 
   // set the class

packages/vue-cli-plugin-uni/packages/h5-vue/dist/vue.esm.js

@@ -6844,8 +6844,14 @@ function updateClass (oldVnode, vnode) {
     el.__wxsRemoveClass.length = 0;
   }
 
-  if(el.__wxsAddClass){
-    cls = concat(cls, el.__wxsAddClass);
+  if (el.__wxsAddClass) {
+    // 去重
+    var clsArr$1 = cls.split(/\s+/).concat(el.__wxsAddClass.split(/\s+/));
+    var clsObj = Object.create(null);
+    clsArr$1.forEach(function (cls) {
+      cls && (clsObj[cls] = 1);
+    });
+    cls = Object.keys(clsObj).join(' ');
   }
 
   // set the class

packages/vue-cli-plugin-uni/packages/h5-vue/dist/vue.js

@@ -6826,8 +6826,14 @@
       el.__wxsRemoveClass.length = 0;
     }
 
-    if(el.__wxsAddClass){
-      cls = concat(cls, el.__wxsAddClass);
+    if (el.__wxsAddClass) {
+      // 去重
+      var clsArr$1 = cls.split(/\s+/).concat(el.__wxsAddClass.split(/\s+/));
+      var clsObj = Object.create(null);
+      clsArr$1.forEach(function (cls) {
+        cls && (clsObj[cls] = 1);
+      });
+      cls = Object.keys(clsObj).join(' ');
     }
 
     // set the class

packages/vue-cli-plugin-uni/packages/h5-vue/dist/vue.runtime.common.dev.js

@@ -6811,8 +6811,14 @@ function updateClass (oldVnode, vnode) {
     el.__wxsRemoveClass.length = 0;
   }
 
-  if(el.__wxsAddClass){
-    cls = concat(cls, el.__wxsAddClass);
+  if (el.__wxsAddClass) {
+    // 去重
+    var clsArr$1 = cls.split(/\s+/).concat(el.__wxsAddClass.split(/\s+/));
+    var clsObj = Object.create(null);
+    clsArr$1.forEach(function (cls) {
+      cls && (clsObj[cls] = 1);
+    });
+    cls = Object.keys(clsObj).join(' ');
   }
 
   // set the class

packages/vue-cli-plugin-uni/packages/h5-vue/dist/vue.runtime.esm.js

@@ -6833,8 +6833,14 @@ function updateClass (oldVnode, vnode) {
     el.__wxsRemoveClass.length = 0;
   }
 
-  if(el.__wxsAddClass){
-    cls = concat(cls, el.__wxsAddClass);
+  if (el.__wxsAddClass) {
+    // 去重
+    var clsArr$1 = cls.split(/\s+/).concat(el.__wxsAddClass.split(/\s+/));
+    var clsObj = Object.create(null);
+    clsArr$1.forEach(function (cls) {
+      cls && (clsObj[cls] = 1);
+    });
+    cls = Object.keys(clsObj).join(' ');
   }
 
   // set the class

packages/vue-cli-plugin-uni/packages/h5-vue/dist/vue.runtime.js

@@ -6815,8 +6815,14 @@
       el.__wxsRemoveClass.length = 0;
     }
 
-    if(el.__wxsAddClass){
-      cls = concat(cls, el.__wxsAddClass);
+    if (el.__wxsAddClass) {
+      // 去重
+      var clsArr$1 = cls.split(/\s+/).concat(el.__wxsAddClass.split(/\s+/));
+      var clsObj = Object.create(null);
+      clsArr$1.forEach(function (cls) {
+        cls && (clsObj[cls] = 1);
+      });
+      cls = Object.keys(clsObj).join(' ');
     }
 
     // set the class

src/core/view/plugins/wxs/component-descriptor.js

@@ -108,9 +108,8 @@ class ComponentDescriptor {
         const clsIndex = addWxsClsArr.findIndex(oldCls => oldCls === cls)
         if (clsIndex !== -1) { // 在 addWxsClass 中
           addWxsClsArr.splice(clsIndex, 1)
-        } else { // 在 classList 中
-          removeWxsClsArr.push(cls)
-        }
+        }
+        removeWxsClsArr.push(cls)
       })
       this.$el.__wxsRemoveClass = removeWxsClsArr
       this.$el.__wxsAddClass = addWxsClsArr.join(' ')