webpack.config.js

'use strict'
var webpack = require('webpack');
var HtmlWebpackPlugin = require('html-webpack-plugin');
var CopyWebpackPlugin = require('copy-webpack-plugin');
var ExtractTextPlugin = require('extract-text-webpack-plugin');


module.exports = function makeConfig() {
    const config = {};
    config.entry = __dirname+'/src/app/app.jsx';
    config.output = {
        path:__dirname+'/dist',
        filename: '[name].[hash].js'
    };
    config.resolve = {
      extensions: ['.js', '.jsx']
  };

    config.devtool = 'eval-source-map';

    config.module = {
        rules: [
            {
                test: /\.jsx?$/,
                use:{
                    'loader':'babel-loader',
                    options: {
                        'presets': ['env','react']
                    }
                },
                exclude: /node_modules/
            },
            {
              test: /\.(png|jpg|jpeg|gif|svg|woff|woff2|ttf|eot)$/,
              use: 'file-loader'
            },
            {
                test:/\.(sass|scss)$/,
                use: ExtractTextPlugin.extract({
                    fallback:'style-loader',
                    use: [
                        { loader: 'css-loader' },
                        { loader: 'sass-loader' },
                        // { loader: 'postcss-loader' }
                    ]
                })
            }
        ]
    }

    config.plugins = [
        new HtmlWebpackPlugin({
            template: __dirname +'/src/public/index.html',
            inject:'body'
        }),
        new CopyWebpackPlugin([{
            from:__dirname+'/src/public'
        }]),
        new ExtractTextPlugin({filename: 'css/[name].css'})
    ]

    config.devServer = {
        contentBase: './src/public',
        open: true,
        overlay:true,
        stats: 'minimal'
    }
    return config;
}();