const CreateFileWebpack = require('create-file-webpack')

// webpack config
{
  plugins: [
    new CreateFileWebpack({options})
  ]
}

var opts = {
    // path to folder in which the file will be created
    path: './dist',
    // file name
    fileName: 'index.js',
    // content of the file
    content: 'export * from ./module.umd.js'
};