webpack.config.js

const webpack = require('webpack');
const path = require('path');
const TsConfigPathsPlugin = require('awesome-typescript-loader').TsConfigPathsPlugin;
const autoprefixer = require('autoprefixer');
const ExtractTextPlugin = require('extract-text-webpack-plugin');

module.exports = {
    entry: [
        'babel-polyfill',
        'react-hot-loader/patch',
        'webpack-dev-server/client?http://localhost:3000',
        'webpack/hot/only-dev-server',
        './src/index.tsx'
    ],
    output: {
        path: path.join(__dirname, 'dist'),
        filename: 'bundle.js',
        publicPath: '/static/'
    },

    // Enable sourcemaps for debugging webpack's output.
    devtool: 'inline-source-map',

    resolve: {
        // Add '.ts' and '.tsx' as resolvable extensions.
        extensions: ['', '.webpack.js', '.web.js', '.ts', '.tsx', '.js', '.scss', '.css'],
        root: [
            path.resolve('./src')
        ]
    },

    plugins: [
        new ExtractTextPlugin('bundle.css', { allChunks: true }),
        new webpack.optimize.OccurenceOrderPlugin(),
        new webpack.optimize.CommonsChunkPlugin({
            name: 'vendor',
            filename: 'vendor.bundle.js',
            minChunks: Infinity
        }),
        new webpack.NoErrorsPlugin(),
        new webpack.DefinePlugin({
            'process.env': {
                'NODE_ENV': JSON.stringify('development')
            }
        }),
        new webpack.HotModuleReplacementPlugin()
    ],

    module: {
        loaders: [
            {
                test: /\.ts(x?)$/,
                exclude: /(node_modules|__tests__)/,
                loader: 'awesome-typescript-loader'
            },
            {
                test: /\.js$/,
                exclude: /node_modules/,
                loader: 'babel',
                query: {
                    presets: ['es2015', 'react']
                }
            },
            {
                test: /(\.scss|\.css)$/,
                loader: ExtractTextPlugin.extract('style', 'css?sourceMap&modules&importLoaders=1&localIdentName=[name]__[local]___[hash:base64:5]!postcss!sass')
            }
        ]
    },
    postcss: [autoprefixer],
    sassLoader: {
        includePaths: [path.resolve(__dirname, './src')]
    }
};