app-code-in-layers

Field	Value
Tool	Dependency Cruiser
Enable via	layout({ scope })
Severity	error
Kind	module rule (reports the file)
Source	packages/rules/src/dependency-cruiser.cjs
Docs	packages/rules/docs/dependency-cruiser.md

What it catches

App code outside layer folders.

As layout({ scope: "@hosti/" }) builds it

{
  "name": "app-code-in-layers",
  "severity": "error",
  "module": {
    "path": "^apps/[^/]+/src/",
    "pathNot": [
      "^apps/[^/]+/src/(?:delivery|server|use-cases)/",
      "^apps/[^/]+/src/(?:main[.]ts|index[.]ts)$",
      "(?:^|/)(?:tests?|__tests__)(?:/|$)|[.](?:test|spec)[.][^/]+$"
    ],
    "numberOfDependentsLessThan": 100
  },
  "from": {}
}

Docs

This rule is one of several in the Dependency Cruiser preset. The Dependency Cruiser page carries the full preset docs from packages/rules/docs/dependency-cruiser.md.

All rules · Dependency Cruiser rules