Specify all modules at main of the library

[seia-soto]

I think the library needs to support multiple versions of UUID at one time without requiring more than 2 times. I am using multiple versions at one time, and now there are more lines in my code. It is not a big deal for me. However, I thought if I can do like below(code), it is really helpful.

const uuid = require('uuid')

const v1Result = uuid.v1(); // to use v1
uuid.v5('main', v1Result); // use v5 right after v1

According to #154, the versions were separated into submodules and the structure of the library was changed. The only change I want is specifying all submodules at the main(index.js). From structure, I think there are no changes to use this library.

[broofa]

80+% of [opensource] projects using this library use v4 and nothing else. Adding dependencies to the top-level module increases the footprint of this module for those users by 6-8X. Unless/until packagers are able to effectively "tree shake" the unused code out of bundles (which, to my knowledge, they do not currently do), I would suggest we not make this change.

@ctavan may have an opinion on this, based on his recent ESM work.

[ctavan]

@broofa I believe once we land an ESM variant of this library it will be safe to export all versions from the top-level, at least my experiments with webpack indicated that: https://github.com/kelektiv/node-uuid/tree/a66f7935eb060eb963b6dc21ab90f015cbb078dc/examples/browser-webpack/dist

We could then also include all versions in the CommonJS-build assuming this build will mainly target Node.js users but I think that is a separate discussion.

Until we have a viable alternative for the Web platform I agree with you that we should not further in crease the footprint of the CommonJS-module variant of this module.

[broofa]

Yeah, that's pretty much my understanding - that tree-shaking is feasible with ESM modules, but isn't practical for CommonJS codebases.

[seia-soto]

I see why there aren't all versions at the main entry. I am sorry to do this work without considering other uses because I am not good at front-end technologies such as webpack. I can't talk pretty enough about this subject but now understood why. Thanks!