webpack.config.js

const CopyWebpackPlugin = require('copy-webpack-plugin')
const path = require('path')

const mode = 'development'

module.exports = {
    entry: './src/index.ts',
    target: 'node',
    mode,
    devtool: mode === 'development' ? 'source-map' : undefined,
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'index.js',
        libraryTarget: 'commonjs2',
        libraryExport: 'default'
    },
    resolve: {
        extensions: ['.ts', '.js'] //resolve all the modules other than index.ts
    },
    module: {
        rules: [
            {
                use: 'ts-loader',
                test: /\.ts?$/
            }
        ]
    },
    plugins: [
        new CopyWebpackPlugin({
            patterns: [
                {
                    from: 'python-bin.pex',
                    to: ''
                },
                {
                    from: './python-src/*',
                    to: ''
                }
            ]
        })
    ]
}