var path = require("path");

module.exports = {
  entry: "./src/index.js",
  output: {
    path: path.resolve(__dirname, "build"),
    filename: "index.js",
    libraryTarget: "commonjs2",
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx|mjs)$/,
        include: path.resolve(__dirname, "src"),
        exclude: /(node_modules|bower_components|build)/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ["es2015", "env"],
          },
        },
      },
      {
        test: /\.css$/i,
        use: ["style-loader", "css-loader"],
      },
    ],
  },
  externals: {
    react: "commonjs react",
  },
};
