feat(rsc, transforms): support preserving client reference original value

[hi-ogawa]

• required by feat: use Vite RSC API waku#2

The idea is:

"use client"
import { unstable_allowServer as allowServer } from 'waku/client';
import { atom } from 'jotai/vanilla';
import clientDep from "./client-dep" // 🗑️

const local1 = 1;
export const countAtom = allowServer(atom(local1));

const local2 = 2; // 🗑️
export const MyClientComp = () => <div>hey: {local2} {clientDep}</div>  // 🗑️

⬇️ custom DCE (implement it in Waku)

"use client"
import { atom } from 'jotai/vanilla';

const local1 = 1;
export const countAtom = atom(local1);

export const MyClientComp = () => { throw new Error('... waku error ...') }

⬇️ rsc plugin use client transform with keep: true

"use client"
import { atom } from 'jotai/vanilla';

const local1 = 1;
export const countAtom = $$register(atom(local1), ...)  // just wrap 🎁

export const MyClientComp = $$register(() => { throw new Error('... waku error ...') }, ...) // 🎁

It doesn't feel this is a good generalization, but for now let's go with whatever works.

[hi-ogawa]

• feat(rsc, transforms): support preserving client reference original value #1078 👈 (View in Graphite)
• main

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