配置：

var webpack = require('webpack')
var path = require('path')
var ExtractTextPlugin = require('extract-text-webpack-plugin')


module.exports = {
  entry: './index.js',
    // jquery.js: 'jquery',
    // velocity: 'velocity-animate'
  output: {
    filename: 'bundle.js',
    publicPath: "/js/",
    path: path.resolve(__dirname, 'js')
  },
  module: {
    rules: [
      {test: /\.less$/, use: ["style-loader", "css-loader", "less-loader"], include: path.resolve(__dirname, './css')},
      {test: /\.(png|gif|jpg|svg)/, use: ['file-loader']}
    ]
  },
  plugins: [
    // new ExtractTextPlugin('../css/style.css'),
    // new webpack.optimize.CommonsChunkPlugin({
    //   names: ['jquery', 'velocity','manifest']
    // })
  ]
}

package.json


  "name": "uber",
  "version": "1.0.0",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "dev": "webpack-dev-server",
    "build": "webpack -p"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "description": "",
  "devDependencies": {
    "extract-text-webpack-plugin": "^2.1.2",
    "file-loader": "^0.11.2",
    "webpack": "^3.0.0",
    "webpack-dev-server": "^2.5.0"
  },
  "dependencies": {
    "babel-loader": "^7.1.0",
    "css-loader": "^0.28.4",
    "eslint-loader": "^1.8.0",
    "jquery": "^3.2.1",
    "less": "^2.7.2",
    "less-loader": "^4.0.4",
    "style-loader": "^0.18.2",
    "url-loader": "^0.5.9",
    "velocity-animate": "^1.5.0"
  }
}