polymer.json

{
  "entrypoint": "app/index.html",
  "shell": "app/elements/pw-shell.html",
  "fragments": [
    "app/elements/lazy-elements.html",
    "app/elements/stack-blitz.html"
  ],
  "builds": [{
    "bundle": true,
    "js": {
      "minify": true,
      "compile": true
    },
    "css": {
      "minify": true
    },
    "html": {
      "minify": true
    }
  }]
}