Is it possible to use node.js functions in a vue project and how?

Question

Vue.js

Well, for example, to use functions for working with files, but through the client?

Answer 1

No.
Browser js does not have features that are only available in Node. For example, working with files and the network (except for fetch).
If you need to work with files on the server, then make http-api for this.
If you need to work with files on the client, then take FileSystem