webpack.config.js

const path = require('path');

module.exports = {
  context: __dirname,
  entry: './frontend/coffee_wages.jsx',
  output: {
    path: path.resolve(__dirname, ''),
    filename: './app/assets/javascripts/bundle.js'
  },
  resolve: {
    extensions: ['.js', '.jsx', '*']
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /(node_modules)/,
        use: {
          loader: 'babel-loader',
            options: {
                presets: [
                    '@babel/preset-env',
                    '@babel/preset-react'
                ],
                plugins: [
                    '@babel/transform-runtime'
                ]
            },
        },
      },
      {
        test: /\.css$/i,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.svg$/,
        use: ['@svgr/webpack', 'url-loader'],
      },
    ]
  },
  devtool: 'source-map',
};