webpack.config.js

var path = require('path');
var webpack = require('webpack');
var OpenBrowserPlugin = require('open-browser-webpack-plugin');

module.exports =
{
  entry: './src/index.js',
  output: {
    path: './src',
    filename: 'bundle.js'
  },
  output: { path: __dirname, filename: 'bundle.js' },
  plugins: [
    new OpenBrowserPlugin({ url: 'http://localhost:1991' })
  ],
  devServer: {
    inline: true,
    contentBase: './src',
    port: 1991
  },
  module: {
    loaders: [
      {
        test: /.jsx?$/,
        loader: 'babel',
        exclude: /node_modules/,
        query: {
          presets: [ 'react','es2015']
        }
      },
      {
        test: /\.css$/,
        use: [
          { loader: "style-loader" },
          { loader: "css-loader" }
        ],
      },
      {
        test: /\.scss$/,
        loaders: ["style-loader", "css-loader", "sass-loader"]
      }
    ]
  },
  resolve: {
    extensions: ['', '.js', '.jsx']
  }
};