webpack.config.js

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

module.exports = {
    context: path.join(__dirname, "sandbox"),
    devtool: "cheap-module-eval-source-map",
    entry: "./index.jsx",
    output: {
        path: __dirname + "/sandbox/",
        filename: "rd3g.sandbox.bundle.js",
    },
    module: {
        rules: [
            {
                test: /\.css$/,
                use: ["style-loader", "css-loader"],
            },
            {
                test: /\.jsx?$/,
                exclude: /node_modules/,
                loader: "babel-loader",
            },
        ],
    },
    resolve: {
        extensions: [".js", ".jsx"],
    },
    plugins: [
        new webpack.DefinePlugin({
            rd3gRunningVersion: JSON.stringify(process.env.npm_package_version || "unknown"),
        }),
    ],
};