webpack.config.js

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

const mode = process.env.NODE_ENV || 'development'

console.log("building for ", mode)

module.exports = {
    mode,
    entry: {
      "gcode-viewer": './src/index.ts',
      'gcode-viewer.min': './src/index.ts'
    },
    output: {
      path: path.resolve(__dirname, '_bundles'),
      filename: '[name].js',
      libraryTarget: 'umd',
      library: 'gcodeViewer',
      umdNamedDefine: true
    },
    resolve: {
      alias: {
        three: path.resolve('./node_modules/three')
      },
      extensions: ['.ts', '.js']
    },
    devtool: 'source-map',
    optimization: {
        minimizer: [
            new UglifyJsPlugin({
                sourceMap: true,
                include: /\.min\.js$/,
              })
        ]
    },
    module: {
        rules: [
            {
                test: /\.tsx?$/,
                loader: 'ts-loader',           
            }
        ]
    },
}