{ "database": { "rules": "database.rules.json" }, "hosting": { "predeploy": [ "yarn build" ], "public": "build", "ignore": [ "firebase.json", "**/.*", "**/node_modules/**" ], "rewrites": [ { "source": "**", "destination": "/index.html" } ] }, "functions": { "predeploy": [ "npm --prefix \"$RESOURCE_DIR\" run lint" ] } }