webpack.config.js

var webpack = require('webpack');
var wpServer = require('webpack-dev-server');
module.exports = {

    context: __dirname + '/app',
    entry: [
        './app.ts',
        "webpack-dev-server/client?http://localhost:8080"
        ],
    output: {
        path: __dirname + '/app',
        filename: 'bundle.js'
    },
    module: {
        loaders: [
            { test: /\.ts$/, exclude: [/node_modules/], loader: 'ts-loader' },
            { test: /\.html$/, loader: 'raw' },
            { test: /\.css$/, loader: "style!css" },
            { test: /\.(woff|woff2|ttf|svg|eot)$/, loader: 'url' }
        ]
    },

    resolve: {
        extensions: ['', '.webpack.js', '.web.js', '.ts', '.js']
    },
    plugins: [
        new webpack.HotModuleReplacementPlugin(),
    ],
    devServer: {
        contentBase: "./app",
        hot: true,
        inline: true,
        keepalive: true,
        stats: { colors: true },
        headers: {
            "Access-Control-Allow-Origin": "*",
            "Access-Control-Allow-Methods": "GET",
            "Access-Control-Allow-Headers": "X-Requested-With, content-type, Authorization"
        },
         watchOptions: {
            aggregateTimeout: 500,
            poll: 1000
        }
    },

    devtool: '#inline-source-map'
};