vue 完整版配置

vue.config.js文件配置：

const path = require('path');
function resolve (dir) {
    return path.join(__dirname, dir)
}
module.exports = {
  chainWebpack: config => {
    config.resolve.alias
      .set('@', resolve('src')) 
      .set('vue$','vue/dist/vue.esm.js')// vue完整版
  }
}