webpack 自动过滤console配置参数

• 代码

// 关键代码
const TerserPlugin = require('terser-webpack-plugin');
compress: {   
  drop_console: true
}
// webpack.prod.js
const path = require('path');
const webpack = require('webpack');
const merge = require('webpack-merge');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
const TerserPlugin = require('terser-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const AddAssetHtmlPlugin = require('add-asset-html-webpack-plugin');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
  .BundleAnalyzerPlugin;
const common = require('./webpack.common.js');
const themes = require('./themes.js');
const publicPath = 'newweb/';
module.exports = merge(common, {
  mode: 'production',
  devtool: 'cheap-module-source-map',
  output: {
    publicPath: publicPath
  },
  optimization: {
    minimizer: [
      new TerserPlugin({
        cache: true,
        parallel: true,
        sourceMap: true,
        terserOptions: {
          compress: {
          // 关键代码
            drop_console: true
          }
        }
      })
    ],
    splitChunks: {
      cacheGroups: {
        styles: {
          name: 'styles',
          test: /\.(less|css)$/,
          chunks: 'all',
          enforce: true
        }
      }
    }
  },
  module: {
    rules: [
      {
        test: /\.(sa|sc|le)ss$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: '../'
            }
          },
          {
            loader: 'css-loader',
            options: {
              sourceMap: true
            }
          },
          {
            loader: 'less-loader',
            options: {
              sourceMap: true,
              modifyVars: themes,
              javascriptEnabled: true
            }
          }
        ]
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: MiniCssExtractPlugin.loader,
            options: {
              publicPath: '../'
            }
          },
          {
            loader: 'css-loader',
            options: {
              sourceMap: true
            }
          }
        ]
      }
    ]
  },
  plugins: [
    new CleanWebpackPlugin(['dist']),
    // new BundleAnalyzerPlugin(),
    new webpack.optimize.MinChunkSizePlugin({
      minChunkSize: 10000 // Minimum number of characters
    }),
    new webpack.HashedModuleIdsPlugin(),
    new webpack.ContextReplacementPlugin(/moment[\/\\]locale$/, /zh-cn/),
    new webpack.optimize.ModuleConcatenationPlugin(),
    new AddAssetHtmlPlugin({
      filepath: path.resolve(__dirname, './dll/vendors.*.js'),
      outputPath: 'js',
      publicPath: publicPath + 'js',
      includeSourcemap: false
    }),
    new MiniCssExtractPlugin({
      filename: 'css/[name].[hash:5].css',
      chunkFilename: 'css/[id].[hash:5].css'
    }),
    // new webpack.DllReferencePlugin({
    //   context: __dirname,
    //   manifest: require('./dll/manifest.json')
    // }),
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify('production')
    })
  ]
});