Webpack and Babel7(@babel) Support

Author: v_zhihzhou

.babelrc

@@ -1,5 +1,5 @@
 {
   "presets": [
-    ["env", { "targets": { "node": 7 }, "modules": false }]
+    ["@babel/env", { "targets": { "node": 7 }, "modules": false }]
   ]
 }

package.json

@@ -74,9 +74,10 @@
     "mpvue-template-compiler": "^1.0.12"
   },
   "devDependencies": {
-    "babel-core": "^6.25.0",
-    "babel-loader": "^7.0.0",
-    "babel-preset-env": "^1.6.0",
+    "@babel/core": "^7.3.4",
+    "@babel/preset-env": "^7.3.4",
+    "babel-loader": "^8.0.5",
+    "babel-types": "^6.26.0",
     "chai": "^4.1.0",
     "coffee-loader": "^0.7.2",
     "coffee-script": "^1.12.6",