Webpack visualizer as a Neutrino preset to view where space is allocated. Outputs ./build/stats.html.

Grab the preset:

$ yarn add -D neutrino-preset-visualizer

Add it to your package.json:

{
  "neutrino": {
    "use": [
      "neutrino-preset-react",
      "neutrino-preset-visualizer"
    ]
  }
}