webpack.config.js

const path = require('path');

module.exports = {
    context: __dirname,
    entry: './client/src/index.js',
    output: {
        path: path.resolve(__dirname, 'app', 'assets', 'javascripts'),
        filename: 'bundle.js'
    },
    resolve: {
        extensions: ['.js', '.jsx', '*']
    },
    module: {
        rules: [
            {
                test: /\.jsx?$/,
                exclude: /(node_modules)/,
                use: {
                    loader: 'babel-loader',
                    query: {
                        presets: ['@babel/env', '@babel/react']
                    }
                },
            },
            
      {
        test: /\.scss$/,
        use: [
          // Adds style to the DOM
          'style-loader',
          // Translates CSS into CommonJS
          'css-loader',
          // Compiles Sass to CSS
          'sass-loader',
        ],
      }
        ]
    },
    devtool: 'source-map'
};