findDependents.ts

const locator = structUtils.makeLocator(`debug`, `npm:1.0.0`);

for (const pkg of project.storedPackages) {
  const dependencies = Array.from(pkg.dependencies.values());

  const isDependent = dependencies.some(dependency => {
    const resolution = project.storedResolutions.get(dependency.descriptorHash)!;
    return resolution === locator.locatorHash;
  });

  if (isDependent) {
    console.log(`- ${structUtils.stringifyLocator(pkg)}`);
  }
}