Function findReverseDeps

scripts/graph_utils.ts:145–150

(packages: Iterable<string>)

 * their transitive closure of dependencies.
 */
export function findReverseDeps(packages: Iterable<string>): Set<string> {
  return new Set(
    [...packages]
      .map(packageName => findSubgraph(packageName, REVERSE_DEPENDENCY_GRAPH))
      .reduce((a, b) => [...a, ...b], []));
}