webpack.config.js

module.exports = {

    watch: true,
    entry: [
        __dirname + '/src/app'
    ],
    module: {
        loaders: [
            { test: /\.js$/, exclude: /node_modules/, loaders: ['6to5-loader?optional=coreAliasing'] }
        ]
    },
    output: {
        path: __dirname + '/dist',
        filename: 'app.js'
    },
    resolve: {
        extensions: ['', '.js']
    },
};