firebase.json

{
  "database": {
    "rules": "database.rules.json"
  },
  "hosting": {
    "public": "dist",
    "rewrites": [
      {
        "source": "/sitemap.txt",
        "function": "generateSitemap"
      },
      {
        "source": "/worker-basic.min.js",
        "destination": "/ngsw-worker.js"
      },
      {
        "source": "/worker-basic.js",
        "destination": "/ngsw-worker.js"
      },
      {
        "source": "**",
        "destination": "/index.html"
      }
    ],
    "headers": [
      {
        "source": "/",
        "headers": [
          {
            "key": "Link",
            "value": ""
          }
        ]
      }
    ]
  },
  "functions": {
    "predeploy": [
      "npm --prefix \"$RESOURCE_DIR\" run lint",
      "npm --prefix \"$RESOURCE_DIR\" run build"
    ],
    "source": "functions"
  },
  "firestore": {
    "rules": "firestore.rules",
    "indexes": "firestore.indexes.json"
  }
}