问Webpack -找不到依赖(同位素)

EN

const webpack = require('webpack')
const path    = require('path')

const config = {
  resolve: {
    alias: {
      'masonry': 'masonry-layout',
      'isotope': 'isotope-layout'
    }
  },
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, './dist'),
    filename: 'vue-waypoint.js',
    library: 'VueWaypoint',
    libraryTarget: 'umd'
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader'
      },
      {
        test: /\.js$/,
        include: path.resolve(__dirname, './src'),
        exclude: /node_modules/,
        use: "babel-loader"
      }
    ]
  },
  plugins: [
    new webpack.optimize.UglifyJsPlugin(),
    new webpack.LoaderOptionsPlugin({ minimize: true })
  ]
}

module.exports = config;