webpack.config.js

var path = require('path');

module.exports = {
    entry: path.resolve(__dirname, 'src/index.js'),
    output: {
        filename: 'bundle.js',
        path: path.resolve(__dirname, 'dist'),
    },
    module: {
        loaders: [{
            test: /\.js$/,
            loader: 'babel-loader'
        }]
    }
}