Deserializing client reference in server environment broken since React 19.2.1

[hi-ogawa]

See skipped tests in #998.

See also the patch

• Patch FlightReplyServer with fixes from ReactFlightClient facebook/react#35277

It looks like react now checks hasOwnProperty.call(moduleExports, metadata.name) instead of moduleExports[metadata.name], which likely broke proxy tricks such as:

vite-plugin-react/packages/plugin-rsc/src/ssr.tsx

Lines 40 to 52 in 92bba57

	// preload/preinit during getter access since `load` is cached on production
	function wrapResourceProxy(mod: any, deps?: ResolvedAssetDeps) {
	return new Proxy(mod, {
	get(target, p, receiver) {
	if (p in mod) {
	if (deps) {
	preloadDeps(deps)
	}
	}
	return Reflect.get(target, p, receiver)
	},
	})
	}

vite-plugin-react/packages/plugin-rsc/src/core/rsc.ts

Lines 27 to 55 in 92bba57

	// need memoize to return stable promise from __webpack_require__
	;(globalThis as any).__vite_rsc_server_require__ = memoize(
	async (id: string) => {
	if (id.startsWith(SERVER_DECODE_CLIENT_PREFIX)) {
	id = id.slice(SERVER_DECODE_CLIENT_PREFIX.length)
	id = removeReferenceCacheTag(id)
	// create `registerClientReference` on the fly since there's no way to
	// grab the original client reference module on ther server.
	// cf. https://github.com/lazarv/react-server/blob/79e7acebc6f4a8c930ad8422e2a4a9fdacfcce9b/packages/react-server/server/module-loader.mjs#L19
	// decode client reference on the server
	return new Proxy({} as any, {
	get(target, name, _receiver) {
	if (typeof name !== 'string' || name === 'then') return
	return (target[name] ??= ReactServer.registerClientReference(
	() => {
	throw new Error(
	`Unexpectedly client reference export '${name}' is called on server`,
	)
	},
	id,
	name,
	))
	},
	})
	}
	return requireModule(id)
	},
	)