webpack.config.js.txt

const path = require('path');
const webpack = require('webpack');

module.exports = {
    mode: 'production',
    entry: './src/index.ts',
    output: {
        path: path.resolve('dist'),
        filename: 'index.js',
        libraryTarget: 'commonjs',
    },
    module: {
        rules: [
            {
                test: /\.ts$/,
                exclude: /(node_modules)/,
                use: 'ts-loader',
            },
        ],
    },
    resolve: {
        extensions: ['.ts', '.js'],
    },
    target: 'node',
    plugins: [
        // This is the important part for onoff to work
        new webpack.ExternalsPlugin('commonjs', ['onoff']),
    ],
};