vuejs项目兼容ie浏览器

//babel-polyfill
npm install babel-polyfill --save-dev
//es6-promise
npm install es6-promise --save-dev

module.exports = {
  entry: {
    app: './src/main.js'
  },
  
//改成

module.exports = {
  context: path.resolve(__dirname, '../'),
  entry: {    
    app:['babel-polyfill','./src/main.js']      
  },
  output: {
    path: config.build.assetsRoot,
    filename: '[name].js',
    publicPath: process.env.NODE_ENV === 'production'
      ? config.build.assetsPublicPath
      : config.dev.assetsPublicPath
  },

import "babel-polyfill";
import promise from "es6-promise";
promise.polyfill();