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#Policy packs and named presets

Encode Module Federation governance once and reuse it across hosts and remotes — the same idea as ESLint shareable configs. For per-app "off" / severity overrides, baselines, and failOn, see Suppressions and allowlists.

#Integrierte Voreinstellungen

export default {
  extends: ["recommended"],
};

export default {
  extends: ["strict"],
};

Profiles are explicit policy overlays, not a second config system. Compose one with recommended when you want the full catalog, and keep local rules overrides last:

export default {
  extends: ["recommended", "demo"],
};

export default {
  extends: ["recommended", "production"],
  rules: {
    // Local intent still wins over the profile.
  },
};

For an application-level shortcut, use the top-level profile option:

export default {
  profile: "demo", // or "production"
  extends: ["recommended"],
};

profile is appended after extends and before local rules. The effective order is default < extends (left to right) < profile < local rules. When profile: "demo" is used in CI, MFDoctor resolves the safer production overlay instead of hiding demo-only recommendations. The resolved overlay is visible in appliedPolicies.

The demo overlay softens local-only demo noise: bare / loopback remoteEntry recommendations and version-first offline-remotes are hidden only in development runs. A deployed or non-localhost remote stays visible, and CI stays loud even when demo is present. It also hides manifest and implicit Bridge-router nudges only during local development, while keeping them visible in CI, and softens disabled DTS to info. The production overlay makes manifest, disabled DTS, implicit Bridge-router, and version-first offline- remote nudges warning; it also elevates the Observability and prefix-share recommendations. These overlays only change recommendation severities and bounded rule options; they do not change default runs or correctness rules. Use rules: { "<rule-id>": "off" } or a baseline when a production team intentionally accepts a recommendation.

The manifest and DTS checks only recommend an enablement when MF config shows a federated surface and the option is explicitly disabled. They are advisory in the default profile: demo hides manifest guidance and keeps DTS at info, while production raises both to warning. A local rules entry wins over either profile, including "off". The Observability nudge is conservative by default: it requires a supported MF 2.5+ package and an installed or declared @module-federation/observability-plugin; production can opt into the wider recommendation. The prefix-share nudge uses observed react/... and react-dom/... imports and remains independently suppressible.

#Teilbare Pakete

A pack is a DoctorPolicyPack: optional name, a rules severity map, and optional plugins (custom rules from defineRule).

import { definePolicyPack, defineRule } from "@tonoizer/mfdoctor";

export const requireManifest = defineRule({
  meta: {
    id: "team/require-manifest",
    defaultSeverity: "error",
    supportedBundlers: ["vite", "rspack", "rsbuild", "webpack", "modern"],
    documentation: "/rules/team/require-manifest",
  },
  check(context) {
    if (!context.facts.artifacts.manifest) {
      context.report({ message: "Manifest missing.", evidence: {} });
    }
  },
});

export default definePolicyPack({
  name: "@scope/mfdoctor-policy",
  rules: {
    "config/remote-http-insecure": "error",
  },
  plugins: [requireManifest],
});

Publish the pack as a workspace or npm package and depend on it from each app. Load it by import or by package/path string (resolved from the project root — no remote HTTP download):

import teamPolicy from "@scope/mfdoctor-policy";

export default {
  extends: ["recommended", teamPolicy],
  rules: {
    // Per-app overrides
  },
};

export default {
  extends: ["recommended", "@scope/mfdoctor-policy"],
};

In-repo example: fixtures/policy-packs/acme-mfdoctor-policy.

#Richtlinienoptionen für Shared-Nutzung

Packs (and local DoctorOptions) can extend built-in package lists and import depth without replacing them:

export default definePolicyPack({
  name: "@scope/mfdoctor-policy",
  sharedPolicy: {
    importDepth: "local-graph", // or "direct"
    additionalCandidates: ["@acme/ui"],
    additionalSingletonRisks: ["@acme/store"],
    alwaysShared: ["@acme/runtime"],
    deepImportAllowlist: ["lodash/fp"],
  },
  rules: {
    "shared/deep-import-bypass": "warning",
  },
});

Equivalent local fields on DoctorOptions: importDepth, additionalCandidates, additionalSingletonRisks, alwaysShared, deepImportAllowlist.

#Priorität von Überschreibungen

Later layers win:

1. Built-in rule defaultSeverity
2. Preset maps from extends (left → right)
3. Pack maps from extends (left → right)
4. Local rules in mfdoctor.config / adapter DoctorOptions
5. CLI / adapter flags merged onto options before resolve (for example --ci forcing mode, or an explicit rules object passed from a wrapper)

So: CLI/flags > local rules > pack > preset defaults.

Custom rules stay available through defineRule either as direct extends entries or as plugins on a pack.

#API

• definePolicyPack — author a pack
• presets / recommendedPreset / strictPreset / demoPreset / productionPreset — built-in packs and recommendation overlays
• resolvePolicy / resolveOptions — resolve extends + merge rules
• Subpath: @tonoizer/mfdoctor/policy