dependency-cruiser-fork/src/enrich/derive/orphan/is-orphan.js

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

function hasDependency(pResolvedName) {
  return (pNode) =>
    pNode.dependencies.some(
      (pToDependency) => pToDependency.resolved === pResolvedName
    );
}

module.exports = (pNode, pGraph) => {
  if (pNode.dependencies.length > 0) {
    return false;
  }

  return !pGraph.some(hasDependency(pNode.source));
};