Sharing code between client and server

[chapati23]

Hey :)
wanted to pick your brain on something. Any opinion on good ways to share code between client and server using this approach?

My use case is this:

I have a form i want to validate on the client (better UX 😺) as well as on the server (more secure 🔒). I already extracted my validations into a validations.js but the server obviously can't reach into the client code (under src/pages/FormPage/validations.js). In dev-mode that works, thanks to webpack i guess. But in prod-mode, with everything transpiled this fails naturally.

My only idea so far was to create another directory at /build/shared or something but I'm a little unclear whether that would actually resolve this issue or just open up another one.

Any thoughts?

[faceyspacey]

shared modules is perfectly valid. only modules actually imported get bundled into either build. share as much code as possible between both builds.