Find dependents

Thank you very much for `node-dependency-tree`. I'm looking for a way to find all files depending on a given file (the opposite of `node-dependency-tree`). My ultimate goal is to facilitate renaming a file in a webpack project by updating all its dependents automatically. Would you have some idea on where I could start looking.

I know it is out of scope for your project so feel free to close the issue.

Thank you