Amazon Q Ide Customization: Customizations That Respect CODEOWNERS Boundaries

// codeowners-to-corpus.ts
export type Domain = { name: string; owners: string[]; globs: string[] };

export function domainsFromCodeowners(text: string): Domain[] {
  const map = new Map<string, Domain>();
  for (const line of text.split("\n")) {
    const t = line.trim();
    if (!t || t.startsWith("#")) continue;
    const [glob, ...owners] = t.split(/\s+/);
    const key = owners.sort().join(",");
    const d = map.get(key) ?? { name: key, owners, globs: [] };
    d.globs.push(glob);
    map.set(key, d);
  }
  return [...map.values()];
}

export function filterPathsForDomain(paths: string[], domain: Domain, match: (p: string, g: string) => boolean) {
  // ✅ Only files owned by this domain enter the customization job
  return paths.filter((p) => domain.globs.some((g) => match(p, g)));
}

# Example domains
# CODEOWNERS
/packages/payments/**  @acme/payments
/packages/marketing/** @acme/growth
/infra/cdk/**          @acme/platform

// ide-plugin — select customization from cwd / git path
export function selectCustomization(filePath: string, domains: Domain[]): string {
  const d = domains.find((x) => x.globs.some((g) => minimatch(filePath, g)));
  if (!d) return process.env.Q_DEFAULT_CUSTOMIZATION!; // generic, no sensitive corpora
  return `q-${slug(d.owners[0])}`;
}

{
  "customizationId": "q-payments",
  "ownerTeam": "payments",
  "accepted": false,
  "suggestionKind": "completion",
  "pathPrefix": "packages/payments/"
}