webpack.config.js

var path = require('path')
var webpack = require('webpack')
var CopyWebpackPlugin = require('copy-webpack-plugin')

var entry = {
  development: ['./src/main.js'],
  production: ['./src/lib/index.js'],
  demo: ['./src/main.js']
}

var output = {
  development: {
    path: path.resolve(__dirname, './dist'),
    publicPath: '/dist/',
    filename: 'build.js'
  },
  production: {
    path: path.resolve(__dirname, './publish'),
    publicPath: '/publish/',
    filename: 'vue-danmaku.js',
    library: ['vue-danmaku'],
    libraryTarget: 'umd'
  },
  demo: {
    path: path.resolve(__dirname, './dist'),
    publicPath: './dist/',
    filename: 'build.js'
  }
}

var copyList = ['/README.md', '/package.json']
copyList = copyList.map(function (item, index) {
  return {
    from: path.join(__dirname, item),
    to: path.join(__dirname, '/publish', item)
  }
})

module.exports = {
  entry: entry[process.env.NODE_ENV],
  output: output[process.env.NODE_ENV],
  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          loaders: {
            // Since sass-loader (weirdly) has SCSS as its default parse mode, we map
            // the "scss" and "sass" values for the lang attribute to the right configs here.
            // other preprocessors should work out of the box, no loader config like this necessary.
            'scss': 'vue-style-loader!css-loader!sass-loader',
            'sass': 'vue-style-loader!css-loader!sass-loader?indentedSyntax'
          }
          // other vue-loader options go here
        }
      },
      {
        test: /\.css$/,
        loader: 'style-loader!css-loader'
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpg|gif|svg)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]?[hash]'
        }
      },
      {
        test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
        loader: 'url-loader',
        options: {
          name: '[name].[ext]?[hash]'
        }
      }
    ]
  },
  resolve: {
    alias: {
      'vue$': 'vue/dist/vue.esm.js',
      '@': path.resolve('src')
    }
  },
  devServer: {
    historyApiFallback: true,
    noInfo: true,
    overlay: true
  },
  performance: {
    hints: false
  },
  devtool: '#eval-source-map'
}

if (process.env.NODE_ENV === 'production') {
  module.exports.devtool = '#source-map'
  // http://vue-loader.vuejs.org/en/workflow/production.html
  module.exports.plugins = (module.exports.plugins || []).concat([
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: '"production"'
      }
    }),
    new webpack.optimize.UglifyJsPlugin({
      sourceMap: true,
      compress: {
        warnings: false
      }
    }),
    new webpack.LoaderOptionsPlugin({
      minimize: true
    }),
    new CopyWebpackPlugin(copyList)
  ])
}