dependency-cruiser/src/enrich/derive/orphan/is-orphan.mjs

Validate and visualize dependencies. With your rules. JavaScript, TypeScript, CoffeeScript. ES6, CommonJS, AMD.

import { isDependent } from "../module-utl.mjs";

export default function isOrphan(pModule, pGraph) {
  if (pModule.dependencies.length > 0) {
    return false;
  }

  // when dependents already calculated take those
  if (pModule.dependents) {
    return pModule.dependents.length === 0;
  }
  // ... otherwise calculate them
  return !pGraph.some(isDependent(pModule.source));
}