webpack.config.js

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

module.exports = {
  entry: {
    index: path.resolve("./src/index")
  },
  output: {
    path: path.resolve("./dist"),
    libraryTarget: "commonjs2",
    filename: "index.js"
  },
  resolve: {
    extensions: [".js"],
    modules: [path.resolve("./src"), path.resolve("./node_modules")]
  },
  target: "electron-renderer",
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        use: {
          loader: "babel-loader"
        },
        exclude: /node_modules/
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: "style-loader"
          },
          {
            loader: "css-loader",
            query: {
              modules: true
            }
          }
        ]
      },
      {
        test: /\.png$/,
        use: {
          loader: "url-loader"
        }
      }
    ]
  }
};