vuecli3建工程 我怎么转npm包里面的es6

Question

有一个工程
比如npm包里面有一个包叫a
a有箭头函数
我在main.js里面有引用a
现在在ie11 下报错 请问我怎么转？

Answer 1

pack.json 如下
{
"name": "v1",
"version": "0.1.0",
"private": true,
"scripts": {

"dev": "vue-cli-service serve",
"build": "vue-cli-service build",
"lint": "vue-cli-service lint"

},
"dependencies": {

"@babel/polyfill": "^7.0.0",
"core-js": "^2.6.5",
"iview": "^3.4.2",
"vue": "^2.6.10",
"vue-router": "^3.0.3",
"vuex": "^3.0.1"

},
"devDependencies": {

"@vue/cli-plugin-babel": "^3.8.0",
"@vue/cli-plugin-eslint": "^3.8.0",
"@vue/cli-service": "^3.8.0",
"babel-eslint": "^10.0.1",
"eslint": "^5.16.0",
"eslint-plugin-vue": "^5.0.0",
"less": "^3.0.4",
"less-loader": "^4.1.0",
"vue-template-compiler": "^2.6.10"

}
}

Answer 2

根目录新建 vue.config.js

具体配置参考：https://cli.vuejs.org/zh/config/