Fix client boundary inheritance for barrel optimization #64467

huozhi · 2024-04-14T15:34:16Z

What

Inherit the client boudaries from the found matched target in load barrel

Why

The root cause with the barrel transform, we missed the client boundary directive during the transform.
Since the new version of mui's case looks like this:

Import path
page.js (server module) -> <module>/index.js (shared module) -> <module/subpath>/index.js (client module) -> `<module/subpath/sub-module.js> (client module)

After our transform, we lost the "use client" which causes the mismatch of the transform:

In rsc layer: the file pointing to the sub module entry (<module/subpath>/index.js), but without the client boundary.

Fixes #64369
Closes NEXT-3101

ijjk · 2024-04-14T15:37:44Z

Failing test suites

Commit: 708ec7f

TURBOPACK=1 pnpm test test/integration/create-next-app/templates/app.test.ts (turbopack)

create-next-app --app (App Router) > should create JavaScript project with --js flag
create-next-app --app (App Router) > should create TypeScript project with --ts flag
create-next-app --app (App Router) > should create project inside "src" directory with --src-dir flag
create-next-app --app (App Router) > should create TailwindCSS project with --tailwind flag

Expand output

● create-next-app --app (App Router) › should create JavaScript project with --js flag

FetchError: request to http://localhost:40699/ failed, reason: connect ECONNREFUSED 127.0.0.1:40699

  at ClientRequest.<anonymous> (../node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)

● create-next-app --app (App Router) › should create TypeScript project with --ts flag

FetchError: request to http://localhost:37677/ failed, reason: connect ECONNREFUSED 127.0.0.1:37677

  at ClientRequest.<anonymous> (../node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)

● create-next-app --app (App Router) › should create project inside "src" directory with --src-dir flag

FetchError: request to http://localhost:36413/ failed, reason: connect ECONNREFUSED 127.0.0.1:36413

  at ClientRequest.<anonymous> (../node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)

● create-next-app --app (App Router) › should create TailwindCSS project with --tailwind flag

FetchError: request to http://localhost:33059/ failed, reason: connect ECONNREFUSED 127.0.0.1:33059

  at ClientRequest.<anonymous> (../node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)

Read more about building and testing Next.js in contributing.md.

TURBOPACK=1 pnpm test test/integration/create-next-app/templates/pages.test.ts (turbopack)

create-next-app --no-app (Pages Router) > should create JavaScript project with --js flag
create-next-app --no-app (Pages Router) > should create TypeScript project with --ts flag
create-next-app --no-app (Pages Router) > should create project inside "src" directory with --src-dir flag
create-next-app --no-app (Pages Router) > should create TailwindCSS project with --tailwind flag

Expand output

● create-next-app --no-app (Pages Router) › should create JavaScript project with --js flag

FetchError: request to http://localhost:40993/ failed, reason: connect ECONNREFUSED 127.0.0.1:40993

  at ClientRequest.<anonymous> (../node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)

● create-next-app --no-app (Pages Router) › should create TypeScript project with --ts flag

FetchError: request to http://localhost:43103/ failed, reason: connect ECONNREFUSED 127.0.0.1:43103

  at ClientRequest.<anonymous> (../node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)

● create-next-app --no-app (Pages Router) › should create project inside "src" directory with --src-dir flag

FetchError: request to http://localhost:41685/ failed, reason: connect ECONNREFUSED 127.0.0.1:41685

  at ClientRequest.<anonymous> (../node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)

● create-next-app --no-app (Pages Router) › should create TailwindCSS project with --tailwind flag

FetchError: request to http://localhost:36993/ failed, reason: connect ECONNREFUSED 127.0.0.1:36993

  at ClientRequest.<anonymous> (../node_modules/.pnpm/node-fetch@2.6.7/node_modules/node-fetch/lib/index.js:1491:11)

Read more about building and testing Next.js in contributing.md.

ijjk · 2024-04-14T15:41:12Z

Stats from current PR

Default Build (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
buildDuration	14.4s	14.5s	⚠️ +109ms
buildDurationCached	8.9s	6.7s	N/A
nodeModulesSize	199 MB	199 MB	⚠️ +852 B
nextStartRea..uration (ms)	405ms	385ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
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3304.HASH.js gzip	181 B	181 B	✓
3f784ff6-HASH.js gzip	53.7 kB	53.7 kB	✓
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framework-HASH.js gzip	45.2 kB	45.2 kB	✓
main-app-HASH.js gzip	242 B	240 B	N/A
main-HASH.js gzip	32.2 kB	32.2 kB	N/A
webpack-HASH.js gzip	1.68 kB	1.68 kB	N/A
Overall change	99 kB	99 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
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Client Pages

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edge-ssr-HASH.js gzip	258 B	258 B	✓
head-HASH.js gzip	352 B	352 B	✓
hooks-HASH.js gzip	370 B	371 B	N/A
image-HASH.js gzip	4.27 kB	4.27 kB	✓
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routerDirect..HASH.js gzip	314 B	312 B	N/A
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withRouter-HASH.js gzip	309 B	309 B	✓
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
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Client Build Manifests

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
_buildManifest.js gzip	483 B	485 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
index.html gzip	530 B	529 B	N/A
link.html gzip	541 B	541 B	✓
withRouter.html gzip	525 B	523 B	N/A
Overall change	541 B	541 B	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
edge-ssr.js gzip	95.6 kB	95.6 kB	N/A
page.js gzip	3.06 kB	3.06 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
middleware-b..fest.js gzip	624 B	623 B	N/A
middleware-r..fest.js gzip	155 B	156 B	N/A
middleware.js gzip	25.5 kB	25.5 kB	N/A
edge-runtime..pack.js gzip	839 B	839 B	✓
Overall change	839 B	839 B	✓

Next Runtimes

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
app-page-exp...dev.js gzip	171 kB	171 kB	✓
app-page-exp..prod.js gzip	97.5 kB	97.5 kB	✓
app-page-tur..prod.js gzip	99.2 kB	99.2 kB	✓
app-page-tur..prod.js gzip	93.5 kB	93.5 kB	✓
app-page.run...dev.js gzip	145 kB	145 kB	✓
app-page.run..prod.js gzip	92 kB	92 kB	✓
app-route-ex...dev.js gzip	21.5 kB	21.5 kB	✓
app-route-ex..prod.js gzip	15.2 kB	15.2 kB	✓
app-route-tu..prod.js gzip	15.2 kB	15.2 kB	✓
app-route-tu..prod.js gzip	14.9 kB	14.9 kB	✓
app-route.ru...dev.js gzip	21.1 kB	21.1 kB	✓
app-route.ru..prod.js gzip	14.9 kB	14.9 kB	✓
pages-api-tu..prod.js gzip	9.55 kB	9.55 kB	✓
pages-api.ru...dev.js gzip	9.82 kB	9.82 kB	✓
pages-api.ru..prod.js gzip	9.55 kB	9.55 kB	✓
pages-turbo...prod.js gzip	22.5 kB	22.5 kB	✓
pages.runtim...dev.js gzip	23.1 kB	23.1 kB	✓
pages.runtim..prod.js gzip	22.5 kB	22.5 kB	✓
server.runti..prod.js gzip	51.3 kB	51.3 kB	✓
Overall change	948 kB	948 kB	✓

build cache Overall increase ⚠️

	vercel/next.js canary	vercel/next.js fix/barrel-optimization-inherit	Change
0.pack gzip	1.59 MB	1.58 MB	N/A
index.pack gzip	106 kB	107 kB	⚠️ +543 B
Overall change	106 kB	107 kB	⚠️ +543 B

Diff details

Diff for middleware.js

Diff too large to display

Commit: 708ec7f

oliviertassinari · 2024-04-14T17:32:11Z

The commit on Material UI that likely surfaced this problem: mui/material-ui#40663. It was released in Material UI v5.15.7.

huozhi · 2024-04-14T18:01:48Z

Thank you @oliviertassinari to address this on mui side! I added a new test for this specific case to avoid regression in the future in 0e8fffe

oliviertassinari · 2024-04-14T19:46:25Z

@huozhi awesome, thanks for the fix.

…)" This reverts commit cb8fb32.

### What Inherit the client boudaries from the found matched target in load barrel ### Why The root cause with the barrel transform, we missed the client boundary directive during the transform. Since the new version of mui's case looks like this: Import path page.js (server module) -> `<module>/index.js` (shared module) -> `<module/subpath>/index.js` (client module) -> `<module/subpath/sub-module.js> (client module) After our transform, we lost the `"use client"` which causes the mismatch of the transform: In `rsc` layer: the file pointing to the sub module entry (`<module/subpath>/index.js`), but without the client boundary. Fixes #64369 Closes NEXT-3101

huozhi · 2024-04-17T20:00:02Z

@oliviertassinari Do you have an ETA that will release this in a patch?

oliviertassinari · 2024-04-18T22:29:05Z

Do you have an ETA that will release this in a patch?

@huozhi The PR I linked in #64467 (comment) is what I believe surfaced this bug (it's a step for Material UI toward exporting server components). The last stable release of Material UI is v5.15.15 which was 16 days ago. I see two options:

We wait, at this point, it is a matter of time before the problem is gone if I can trust: [material-ui][nextjs] 14.2.0 crashes with Error: Element type is invalid mui/material-ui#41865 (comment).
Material UI revert [core] Remove unneeded use-clients mui/material-ui#40663 in v5 (and keep it in v6), we do a release within a week, which probably makes the most sense only if the next Next.js stable release is scheduled to be in >4 weeks.

cc @DiegoAndai

huozhi · 2024-04-19T12:22:46Z

There're still a few files need to tackle such as the barrel files in mui/material, e.g. mui-material/src/Container/index.js.

The issue is that when you use "use client" with export *, we can't analyze properly about the used exports atm, so that lead to the errors user reported. I already fixed in #64681 and leave more explanation there. We can wait for the next patch release of Next.js to solve it but the bundle will still include more unused stuffs which is not ideal. So just wanna flag that would be better to remove more client directives in mui and only apply them to the component where we need.

DiegoAndai · 2024-04-19T13:03:21Z

Hey! (by sheer coincidence) we opened a PR yesterday to remove all ""use client" with export *" occurrences, which would land in v6 alpha. We could consider cherry-picking it to v5.

I rephrase @oliviertassinari's question: is the next Next.js stable release scheduled to be in >4 weeks? And will that include #64681? With this info we could plan our next steps on the MUI side.

huozhi · 2024-04-19T13:48:41Z

I'm unsure about when we could do the release yet, but certain that it will include that fix.

oliviertassinari · 2024-04-19T23:46:44Z

The issue is that when you use "use client" with export *, we can't analyze properly about the used exports atm

@huozhi I'm confused by this one. Is this a client/server bundle issue, a tree-shaking issue, or something else? I can blame the error:

Error: It's currently unsupported to use "export *" in a client boundary. Please use named exports instead.

with #46171 as the origin of when the error message was added.

atm we cannot statically analyze all the exports from this the boundary, unless we can apply barrel file optimization for every import which could slow down speed.

#64681. So I guess it's why it was working before .

When we found the mixing client entry module like that, we treat it as a CJS client module and include all the bundle in client like before what we have the client components import optimization.

This seems to be OK, what's the downside of doing this?

huozhi · 2024-04-20T23:58:23Z

It's a tree-shaking issue, it will work properly once the fix on canary is out on stable release. I mean if we want to get best optimization for v5, it's good to remove the "use client" in barrel file where it contains export *. It doesn't effect much mostly the subpath import cases like import Container from '@mui/material/Container/Container'.

SirFrey · 2024-04-21T15:52:56Z

It's a tree-shaking issue, it will work properly once the fix on canary is out on stable release. I mean if we want to get best optimization for v5, it's good to remove the "use client" in barrel file where it contains export *. It doesn't effect much mostly the subpath import cases like import Container from '@mui/material/Container/Container'.

I'm going to be checking the news canary versions, because I'm facing the same the MUI's issues but in my website when I build to next@14.2.* (latest versions of canary doesn't seems to work)

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    at nM (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:61546)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64546)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64825)
    at nB (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:67538)
    at nD (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:66680)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64853)
    at nB (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:67538)
    at nM (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:58560)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64546) {
  digest: '2921082285'
}

Error occurred prerendering page "/en". Read more: https://nextjs.org/docs/messages/prerender-error

Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined.
    at nM (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:61599)
    at nM (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:61546)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64546)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64825)
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  digest: '2921082285'
}

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    at nM (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:61546)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64546)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64825)
    at nB (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:67538)
    at nD (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:66680)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64853)
    at nB (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:67538)
    at nM (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:58560)
    at nN (/home/moises/projects/Portfolio/node_modules/.pnpm/next@14.2.0_react-dom@18.2.0_react@18.2.0__react@18.2.0/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:12:64546)
 Γ£ô Generating static pages (5/5)

> Export encountered errors on following paths:
        /[lang]/page: /en
        /[lang]/page: /es

Could it be worth to submit an issue about this? (knowing that you already cover those problems with MUI)

huozhi · 2024-04-22T14:56:54Z

@SirFrey please submit a new issue with reproduction 🙏

### What * Remove the change added in #64467, but still kept tests. * Add more tests for mixed imports (component and function) from shared component with `optimizePackageImports` ### Why The fix in #64467 was not correct, as mixing `export *` with `"use client"` should error if Next.js detect it properly. When there's mixed exports, that a shared function will become a client reference if the target file inherits the client boundary. The original issue #64467 fixed was actually related to tree-shaking, which is fixed in #64681. Closes NEXT-3197

SirFrey · 2024-04-23T15:51:17Z

@huozhi The error is fixed in next@14.3.0-canary19, thank you for the attention <3
I guess that the error was the same as MUI with the import my repo.
btw when does this version is going to be released as stable?

huozhi · 2024-04-24T17:19:31Z

@SirFrey The proper fix is published in 14.2.3, please upgrade to the new version

SirFrey · 2024-04-24T20:53:17Z

@huozhi Updated and working 😄 !!!

Fix client boundary inheritance for barrel optimization

116a2b9

ijjk added area: tests created-by: Next.js team PRs by the Next.js team. type: next labels Apr 14, 2024

merge flags

8f9b6d1

huozhi marked this pull request as ready for review April 14, 2024 15:53

huozhi requested review from timneutkens, ijjk, shuding, ztanner, feedthejim, a team and wyattjoh as code owners April 14, 2024 15:53

shuding approved these changes Apr 14, 2024

View reviewed changes

add specific test case

0e8fffe

timneutkens approved these changes Apr 14, 2024

View reviewed changes

enable turbopack test

708ec7f

huozhi merged commit cb8fb32 into canary Apr 14, 2024
73 of 80 checks passed

huozhi deleted the fix/barrel-optimization-inherit branch April 14, 2024 21:36

This was referenced Apr 15, 2024

[material-ui] Not working after upgrading Next.js to 14.0.4. Error: Element type is invalid. mui/material-ui#40214

Closed

[material-ui][nextjs] 14.2.0 crashes with Error: Element type is invalid mui/material-ui#41865

Closed

huozhi added a commit that referenced this pull request Apr 15, 2024

Revert "Fix client boundary inheritance for barrel optimization (#64467…

bef43f6

…)" This reverts commit cb8fb32.

This was referenced Apr 15, 2024

Revert "Fix client boundary inheritance for barrel optimization" #64484

Closed

v14.2 causing build error for Material UI #64369

Closed

Juneezee mentioned this pull request Apr 19, 2024

[material-ui] Not able to build the project when updating to Next.js 14.2.2 with v5.15.15 mui/material-ui#41960

Closed

oliviertassinari mentioned this pull request Apr 22, 2024

[core] Remove 'use client' from index files mui/base-ui#331

Merged

huozhi mentioned this pull request Apr 22, 2024

Fix mixed exports in server component with barrel optimization #64894

Merged

vercel locked as resolved and limited conversation to collaborators Apr 24, 2024

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Fix client boundary inheritance for barrel optimization #64467

Fix client boundary inheritance for barrel optimization #64467

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Fix client boundary inheritance for barrel optimization #64467

Fix client boundary inheritance for barrel optimization #64467

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