描述：bable-es2015以及babel本身组件在新版本要求的外部配置文件.

1 { 2   "presets": [ 3     ["env", { 4       "modules": false, 5       "targets": { 6         "browsers": ["> 1%", "last 2 versions", "not ie <= 8"] 7       } 8     }], 9     "stage-2"10   ],11   "plugins": ["transform-vue-jsx", "transform-runtime"]12 }

 

具体请查看官网文档：