个回答

• 慕码人7593232

  2019-12-01 21:31:20

  const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
  
      optimization: {
          minimizer: [
              // 压缩CSS
              new OptimizeCSSAssertsPlugin({}),
              // 压缩JS
              new UglifyJsPlugin({
                  // 有很多可以配置
                  cache: true,
                  parallel: true,
                  sourceMap: true,
                  uglifyOptions: {
                       // 在UglifyJs删除没有用到的代码时不输出警告
                      warnings: false,
                      output: {
                          // 删除所有的注释
                          comments: false,
                          // 最紧凑的输出
                          beautify: false
                      },
                      compress: {
                          // 删除所有的 `console` 语句
                          // 还可以兼容ie浏览器
                          drop_console: true,
                          // 内嵌定义了但是只用到一次的变量
                          collapse_vars: true,
                          // 提取出出现多次但是没有定义成变量去引用的静态值
                          reduce_vars: true,
                      }
                  }
              })
          ]
      },

  
  

  0

• 慕码人7593232

  2019-12-01 21:30:52

  const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
  
      optimization: {
          minimizer: [
              // 压缩CSS
              new OptimizeCSSAssertsPlugin({}),
              // 压缩JS
              new UglifyJsPlugin({
                  // 有很多可以配置
                  cache: true,
                  parallel: true,
                  sourceMap: true,
                  uglifyOptions: {
                       // 在UglifyJs删除没有用到的代码时不输出警告
                      warnings: false,
                      output: {
                          // 删除所有的注释
                          comments: false,
                          // 最紧凑的输出
                          beautify: false
                      },
                      compress: {
                          // 删除所有的 `console` 语句
                          // 还可以兼容ie浏览器
                          drop_console: true,
                          // 内嵌定义了但是只用到一次的变量
                          collapse_vars: true,
                          // 提取出出现多次但是没有定义成变量去引用的静态值
                          reduce_vars: true,
                      }
                  }
              })
          ]
      },

  
  

  0