webpack.config.dev.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
    entry: './src/client/index.react.js',
    devtool: 'cheap-module-eval-source-map',
    output: {
        path: path.join(__dirname, 'dist'),
        filename: 'bundle.js',
        publicPath: '/'
    },
    resolve: {
        modules: [
            path.resolve(process.cwd(), 'src'),
            path.resolve(process.cwd(), 'node_modules'),
            path.resolve(process.cwd(), 'assets')
        ]
    },
    module: {
        rules: [
            {
                test: /\.(js|jsx)$/,
                exclude: /node_modules/,
                use: ['babel-loader']
            },
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: ['babel-loader', 'eslint-loader']
            },
            {
                test: /\.[s]css$/,
                use: [
                    { loader: 'style-loader' },
                    {
                        loader: 'css-loader',
                        options: {
                            modules: {
                                localIdentName: '[local]--[hash:base64:5]'
                            },
                            sourceMap: true
                        }
                    },
                    {
                        loader: 'sass-loader',
                        options: {
                            sourceMap: true
                        }
                    }
                ]
            },
            {
                test: /\.png|jpg$/,
                include: path.join(__dirname, 'assets/images'),
                loader: ['file-loader']
            }
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: './public/index.html'
        })
    ],
    devServer: {
        contentBase: path.join(__dirname, 'public'),
        historyApiFallback: true,
        port: 3000,
        open: true,
        proxy: {
            '/api/*': 'http://localhost:5000'
        }
    },
    stats: {
        modules: false,
        usedExports: false,
        children: false,
        entrypoints: true,
        maxModules: 0,
        errors: true,
        warnings: true,
        moduleTrace: false,
        errorDetails: false,
        colors: true,
        performance: false
    }
};