webpack3里使用uglifyjs压缩js时打包报错的解决

cnpm install uglifyjs-webpack-plugin -D

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

module.exports = {
 //...
 optimization: {
  minimizer: [new UglifyJsPlugin()]
 }
};

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

module.exports = {
  plugins: [
    new UglifyJsPlugin(),
  ] 
}

npm view uglifyjs-webpack-plugin versions

cnpm install uglifyjs-webpack-plugin@1.3.0 -D