[build] add jsx compiler (#2439)

package.json

@@ -68,6 +68,7 @@
   "devDependencies": {
     "@babel/core": "^7.2.2",
     "@babel/plugin-syntax-dynamic-import": "^7.0.0",
+    "@babel/plugin-syntax-jsx": "^7.2.0",
     "@babel/plugin-transform-object-assign": "^7.0.0",
     "@babel/plugin-transform-runtime": "^7.1.0",
     "@babel/polyfill": "^7.2.5",
@@ -80,8 +81,10 @@
     "@vue/test-utils": "^1.0.0-beta.26",
     "autoprefixer": "^9.4.3",
     "babel-core": "^7.0.0-0",
+    "babel-helper-vue-jsx-merge-props": "^2.0.3",
     "babel-jest": "^23.6.0",
     "babel-loader": "^8.0.4",
+    "babel-plugin-transform-vue-jsx": "4.0.1",
     "codecov": "^3.1.0",
     "cross-env": "^5.2.0",
     "css-loader": "^2.1.0",