Support NPM workspaces

[wallw-teal]

Please consider supporting NPM workspaces.

https://docs.npmjs.com/cli/v7/using-npm/workspaces

Assuming most of the tool works off of package-lock.json, then this affects the question at the end to update package.json, which should also ask to update other package.json files in the workspace packages.

[amalitsky]

@th0r, do you mind letting us know what's your take on this?
Do you see value in this feature or it can be done some other way at the moment?

Thank you!

[antongolub]

@amalitsky,
Here's a temporary workaround: https://github.com/antongolub/npm-upgrade-monorepo

[kasir-barati]

I can also say that it would be really cool to just run npm-upgrade in your monorepo root dir and then it just tells you which dep it wants to upgrade in which project.