[Improvement] Sku: improve render performance (#550)

package.json

@@ -50,7 +50,7 @@
     "vue": ">= 2.5.0"
   },
   "devDependencies": {
-    "autoprefixer": "^7.2.4",
+    "autoprefixer": "^7.2.5",
     "avoriaz": "2.0.0",
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.0",
@@ -63,10 +63,10 @@
     "chai": "^4.1.2",
     "codecov": "^3.0.0",
     "cross-env": "^5.1.3",
-    "css-loader": "^0.28.8",
+    "css-loader": "^0.28.9",
     "dependency-tree": "^5.12.0",
     "eslint": "^4.15.0",
-    "eslint-plugin-vue": "^4.1.0",
+    "eslint-plugin-vue": "^4.2.0",
     "extract-text-webpack-plugin": "3.0.2",
     "fast-vue-md-loader": "^1.0.3",
     "friendly-errors-webpack-plugin": "^1.6.1",
@@ -89,7 +89,7 @@
     "precss": "2.0.0",
     "progress-bar-webpack-plugin": "^1.10.0",
     "rimraf": "^2.5.4",
-    "shelljs": "^0.7.8",
+    "shelljs": "^0.8.0",
     "sinon": "^2.4.1",
     "sinon-chai": "^2.12.0",
     "style-loader": "^0.19.1",
@@ -97,15 +97,15 @@
     "url-loader": "^0.6.2",
     "vant-doc": "1.0.1",
     "vue": "^2.5.13",
-    "vue-loader": "^13.6.2",
+    "vue-loader": "^13.7.0",
     "vue-router": "^3.0.1",
-    "vue-sfc-compiler": "^0.0.7",
+    "vue-sfc-compiler": "^0.0.8",
     "vue-style-loader": "^3.0.0",
     "vue-template-compiler": "^2.5.13",
     "vue-template-es2015-compiler": "^1.6.0",
     "webpack": "^3.10.0",
-    "webpack-bundle-analyzer": "^2.9.1",
-    "webpack-dev-server": "2.9.7",
+    "webpack-bundle-analyzer": "^2.9.2",
+    "webpack-dev-server": "2.11.0",
     "webpack-merge": "^4.1.1"
   }
 }