Vuecli4 generation environment packaged to remove console

安装 babel-plugin-transform-remove-console

npm install babel-plugin-transform-remove-console --save--dev 

Modify in babel.config.js

const prodPlugins = [];
if (process.env.NODE_ENV === 'production') {
    
    
  prodPlugins.push('transform-remove-console');
}

module.exports = {
    
    
  presets: ['@vue/cli-plugin-babel/preset'],
  plugins: [
    [
      'component',
      {
    
    
        libraryName: 'element-ui',
        styleLibraryName: 'theme-chalk'
      }
    ],
    ...prodPlugins
  ]
};