webpack.config.js

module.exports = {
    entry: "./browser/index.jsx",
    output: {
        path: __dirname,
        filename: "./public/bundle.js",
    },
    context: __dirname,
    devtool: "source-map",
    resolve: {
        extensions: [".js", ".jsx"],
    },
    mode: "development",
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: {
                    loader: "babel-loader",
                    options: {
                        presets: ["@babel/preset-env", "@babel/preset-react"],
                        plugins: ["@babel/plugin-proposal-class-properties"],
                    },
                },
            },
            {
                test: /\.scss$/,
                use: ["style-loader", "css-loader", "sass-loader"],
            },
        ],
    },
    resolve: {
        extensions: ["*", ".js", ".jsx"],
    },
};