vitamin-react-components have to be include in your loader in your webpack config:
...
module: {
rules: [
{
test: /\.(js|jsx)$/,
use: 'babel-loader',
exclude: /node_modules\/(?!(vitamin-react-components)\/).*/
},
{
test: /\.svg$/,
loader: 'raw-loader',
exclude: /node_modules\/(?!(vitamin-react-components)\/).*/
},
{
test: /\.(css|styl)$/,
loaders: ExtractTextPlugin.extract('css-loader!stylus-loader'),
exclude: /node_modules\/(?!(vitamin-react-components)\/).*/
}
...
]
}