legacy_uglifyjs

legacy uglifyjs

last update: 2018/03/01

// webpack < 4.3

// package.json

  "devDependencies": {
  "uglifyjs-webpack-plugin": "^1.2.3",
  },

// webpack.config.js

const UglifyJsPlugin = require('uglifyjs-webpack-plugin');

optimization: {
  minimizer: [
    new UglifyJsPlugin({
      uglifyOptions: {
        output: {
          comments: /^\**!|@preserve|@license|@cc_on/
        }
      }
    })
  ]
},