webpack.config.js

const path = require('path');
const fs = require('fs');
const {CleanWebpackPlugin} = require('clean-webpack-plugin');
const CopyPlugin = require('copy-webpack-plugin');

module.exports = {
    mode: "production",
    entry: {
        LikeInjector: './web/LikeInjector.js',
        LikeModule: './web/LikeModule.js',
    },
    output: {
        path: path.resolve(__dirname, 'build'),
        filename: '[name].js'
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: "babel-loader"
                }
            }
        ]
    },
    plugins: [
        new CleanWebpackPlugin(),
        new CopyPlugin({
            patterns: [
                {from: 'public', to: '.'},
            ],
        }),
    ],
    devServer: {
        contentBase: path.join(__dirname, 'build'),
        compress: true,
        port: 1234,
        https: {
            key: fs.readFileSync('./key.pem'),
            cert: fs.readFileSync('./cert.pem'),
            //ca: fs.readFileSync('/path/to/ca.pem'),
        }
    }
}