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@legendecas legendecas commented Jul 18, 2025

There are two phases in module linking: link, and instantiate. These
two operations are required to be separated to allow cyclic
dependencies.

v8::Module::InstantiateModule is only required to be invoked on the
root module. The global references created by ModuleWrap::Link are
only cleared at ModuleWrap::Instantiate. So the global references
created for depended modules are usually not cleared because
ModuleWrap::Instantiate is not invoked for each of depended modules,
and caused memory leak.

The change references the linked modules in an object internal slot.

This is not an issue for Node.js ESM support as these modules can not be
off-loaded. However, this could be outstanding for vm.Module.

Fixes: #50113

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  • @nodejs/loaders
  • @nodejs/vm

@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. labels Jul 18, 2025
@legendecas legendecas added module Issues and PRs related to the module subsystem. vm Issues and PRs related to the vm subsystem. labels Jul 18, 2025
@legendecas legendecas force-pushed the module-instantiate branch from af391e1 to 352631b Compare July 18, 2025 23:06
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codecov bot commented Jul 18, 2025

Codecov Report

❌ Patch coverage is 73.52941% with 18 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (main@5e1a4fa). Learn more about missing BASE report.
⚠️ Report is 384 commits behind head on main.

Files with missing lines Patch % Lines
src/module_wrap.cc 74.24% 8 Missing and 9 partials ⚠️
src/module_wrap.h 50.00% 1 Missing ⚠️
Additional details and impacted files
@@           Coverage Diff           @@
##             main   #59117   +/-   ##
=======================================
  Coverage        ?   90.05%           
=======================================
  Files           ?      648           
  Lines           ?   191089           
  Branches        ?    37449           
=======================================
  Hits            ?   172091           
  Misses          ?    11600           
  Partials        ?     7398           
Files with missing lines Coverage Δ
src/module_wrap.h 52.94% <50.00%> (ø)
src/module_wrap.cc 75.13% <74.24%> (ø)
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@legendecas legendecas force-pushed the module-instantiate branch from 352631b to eb17cb7 Compare July 21, 2025 23:46
@legendecas legendecas force-pushed the module-instantiate branch 2 times, most recently from 30ab1d2 to afd12e1 Compare July 24, 2025 22:46
There are two phases in module linking: link, and instantiate. These
two operations are required to be separated to allow cyclic
dependencies.

`v8::Module::InstantiateModule` is only required to be invoked on the
root module. The global references created by `ModuleWrap::Link` are
only cleared at `ModuleWrap::Instantiate`. So the global references
created for depended modules are usually not cleared because
`ModuleWrap::Instantiate` is not invoked for each of depended modules,
and caused memory leak.

The change references the linked modules in an object internal slot.

This is not an issue for Node.js ESM support as these modules can not be
off-loaded. However, this could be outstanding for `vm.Module`.
@legendecas legendecas force-pushed the module-instantiate branch from afd12e1 to 7886911 Compare July 26, 2025 22:55
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LGTM % a suggestion. Thanks!

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lgtm, good spot

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@legendecas legendecas added commit-queue Add this label to land a pull request using GitHub Actions. commit-queue-squash Add this label to instruct the Commit Queue to squash all the PR commits into the first one. labels Jul 29, 2025
@nodejs-github-bot nodejs-github-bot removed the commit-queue Add this label to land a pull request using GitHub Actions. label Jul 29, 2025
@nodejs-github-bot nodejs-github-bot merged commit e55e0a7 into nodejs:main Jul 29, 2025
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@legendecas legendecas deleted the module-instantiate branch July 29, 2025 12:18
Local<Object> module_object =
dependent->resolve_cache_[cache_key].Get(isolate);
if (module_object.IsEmpty() || !module_object->IsObject()) {
auto it = dependent->resolve_cache_.find(cache_key);
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I gave this a bit of thought and I think we might be able to just save the hash/look up cost completely if we have an V8 API that just always gives us the index. Put together a prototype: https://chromium-review.googlesource.com/c/v8/v8/+/6804466

panva pushed a commit to panva/node that referenced this pull request Aug 1, 2025
There are two phases in module linking: link, and instantiate. These
two operations are required to be separated to allow cyclic
dependencies.

`v8::Module::InstantiateModule` is only required to be invoked on the
root module. The global references created by `ModuleWrap::Link` are
only cleared at `ModuleWrap::Instantiate`. So the global references
created for depended modules are usually not cleared because
`ModuleWrap::Instantiate` is not invoked for each of depended modules,
and caused memory leak.

The change references the linked modules in an object internal slot.

This is not an issue for Node.js ESM support as these modules can not be
off-loaded. However, this could be outstanding for `vm.Module`.

PR-URL: nodejs#59117
Fixes: nodejs#50113
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
meteorqz6 pushed a commit to meteorqz6/node that referenced this pull request Aug 2, 2025
There are two phases in module linking: link, and instantiate. These
two operations are required to be separated to allow cyclic
dependencies.

`v8::Module::InstantiateModule` is only required to be invoked on the
root module. The global references created by `ModuleWrap::Link` are
only cleared at `ModuleWrap::Instantiate`. So the global references
created for depended modules are usually not cleared because
`ModuleWrap::Instantiate` is not invoked for each of depended modules,
and caused memory leak.

The change references the linked modules in an object internal slot.

This is not an issue for Node.js ESM support as these modules can not be
off-loaded. However, this could be outstanding for `vm.Module`.

PR-URL: nodejs#59117
Fixes: nodejs#50113
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
joyeecheung added a commit to joyeecheung/node that referenced this pull request Aug 7, 2025
Original commit message:

    [api] Add index-based module resolution in InstantiateModule()

    Add new InstantiateModule() overload that allows embedders to identify
    modules requests by index in the module requests array rather than
    using specifier and import attributes. When embedders want to fetch
    all the modules using information from module->GetModuleRequests()
    before calling InstantiateModule() instead of having to do the fetching
    inside the InstantiateModule() callback, they could just maintain a simple array of modules indexed by module request positions and
    look up the fetched the module by index in the new callback.
    Previously this has to be done by mapping from specifier and import
    attributes to module objects cached on the embedder side, leading to an overhead to hash the specifier and import attributes for each module request.

    Refs: nodejs#59117
    Bug: 435317398
    Change-Id: Ie017d2f3ccc605e0f58aa423504b5fa5fdbcc633

Refs: v8/v8@1db0e6b
Co-authored-by: Joyee Cheung <joyeec9h3@gmail.com>
targos pushed a commit that referenced this pull request Aug 8, 2025
There are two phases in module linking: link, and instantiate. These
two operations are required to be separated to allow cyclic
dependencies.

`v8::Module::InstantiateModule` is only required to be invoked on the
root module. The global references created by `ModuleWrap::Link` are
only cleared at `ModuleWrap::Instantiate`. So the global references
created for depended modules are usually not cleared because
`ModuleWrap::Instantiate` is not invoked for each of depended modules,
and caused memory leak.

The change references the linked modules in an object internal slot.

This is not an issue for Node.js ESM support as these modules can not be
off-loaded. However, this could be outstanding for `vm.Module`.

PR-URL: #59117
Fixes: #50113
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request Aug 16, 2025
This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [node](https://nodejs.org) ([source](https://github.com/nodejs/node)) | minor | `24.5.0` -> `24.6.0` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

---

### Release Notes

<details>
<summary>nodejs/node (node)</summary>

### [`v24.6.0`](https://github.com/nodejs/node/releases/tag/v24.6.0): 2025-08-14, Version 24.6.0 (Current), @&#8203;RafaelGSS

[Compare Source](nodejs/node@v24.5.0...v24.6.0)

##### Notable Changes

- \[[`471fe712b3`](nodejs/node@471fe712b3)] - **(SEMVER-MINOR)** **cli**: add NODE\_USE\_SYSTEM\_CA=1 (Joyee Cheung) [#&#8203;59276](nodejs/node#59276)
- \[[`38aedfbf73`](nodejs/node@38aedfbf73)] - **(SEMVER-MINOR)** **crypto**: support ML-DSA KeyObject, sign, and verify (Filip Skokan) [#&#8203;59259](nodejs/node#59259)
- \[[`201304537e`](nodejs/node@201304537e)] - **(SEMVER-MINOR)** **zlib**: add dictionary support to zstdCompress and zstdDecompress (lluisemper) [#&#8203;59240](nodejs/node#59240)
- \[[`e79c93a5d0`](nodejs/node@e79c93a5d0)] - **(SEMVER-MINOR)** **http**: add server.keepAliveTimeoutBuffer option (Haram Jeong) [#&#8203;59243](nodejs/node#59243)
- \[[`c144d69efc`](nodejs/node@c144d69efc)] - **lib**: docs deprecate \_http\_\* (Sebastian Beltran) [#&#8203;59293](nodejs/node#59293)
- \[[`aeb4de55a7`](nodejs/node@aeb4de55a7)] - **(SEMVER-MINOR)** **fs**: port SonicBoom module to fs module as Utf8Stream (James M Snell) [#&#8203;58897](nodejs/node#58897)

##### Commits

- \[[`f7484575ff`](nodejs/node@f7484575ff)] - **assert**: change utils to use index instead of for...of (방진혁) [#&#8203;59278](nodejs/node#59278)
- \[[`269cd16185`](nodejs/node@269cd16185)] - **benchmark**: remove deprecated \_extend from benchmark (Rafael Gonzaga) [#&#8203;59228](nodejs/node#59228)
- \[[`848e49c20b`](nodejs/node@848e49c20b)] - **benchmark**: add fs warmup to writefile-promises (Bruno Rodrigues) [#&#8203;59215](nodejs/node#59215)
- \[[`8c609be1b1`](nodejs/node@8c609be1b1)] - **benchmark**: add calibrate-n script (Rafael Gonzaga) [#&#8203;59186](nodejs/node#59186)
- \[[`6a3bf772d8`](nodejs/node@6a3bf772d8)] - **build**: fix node\_use\_sqlite for GN builds (Shelley Vohr) [#&#8203;59017](nodejs/node#59017)
- \[[`471fe712b3`](nodejs/node@471fe712b3)] - **(SEMVER-MINOR)** **cli**: add NODE\_USE\_SYSTEM\_CA=1 (Joyee Cheung) [#&#8203;59276](nodejs/node#59276)
- \[[`38aedfbf73`](nodejs/node@38aedfbf73)] - **(SEMVER-MINOR)** **crypto**: support ML-DSA KeyObject, sign, and verify (Filip Skokan) [#&#8203;59259](nodejs/node#59259)
- \[[`a312e706cf`](nodejs/node@a312e706cf)] - **crypto**: prepare webcrypto key import/export for modern algorithms (Filip Skokan) [#&#8203;59284](nodejs/node#59284)
- \[[`3a7c2c3a47`](nodejs/node@3a7c2c3a47)] - **deps**: update ada to 3.2.7 (Node.js GitHub Bot) [#&#8203;59336](nodejs/node#59336)
- \[[`8d9ceeaf6a`](nodejs/node@8d9ceeaf6a)] - **deps**: update archs files for openssl-3.5.2 (Node.js GitHub Bot) [#&#8203;59371](nodejs/node#59371)
- \[[`33b06df354`](nodejs/node@33b06df354)] - **deps**: upgrade openssl sources to openssl-3.5.2 (Node.js GitHub Bot) [#&#8203;59371](nodejs/node#59371)
- \[[`fa70f1af77`](nodejs/node@fa70f1af77)] - **deps**: support madvise(3C) across ALL illumos revisions (Dan McDonald) [#&#8203;58237](nodejs/node#58237)
- \[[`f834a6be59`](nodejs/node@f834a6be59)] - **deps**: update undici to 7.13.0 (Node.js GitHub Bot) [#&#8203;59338](nodejs/node#59338)
- \[[`db2417487e`](nodejs/node@db2417487e)] - **deps**: update sqlite to 3.50.4 (Node.js GitHub Bot) [#&#8203;59337](nodejs/node#59337)
- \[[`41978adb08`](nodejs/node@41978adb08)] - **deps**: V8: backport [`493cb53`](nodejs/node@493cb53691be) (Chengzhong Wu) [#&#8203;59238](nodejs/node#59238)
- \[[`05667991ca`](nodejs/node@05667991ca)] - **deps**: V8: backport [`1c3e018`](nodejs/node@1c3e018e7d48) (Renegade334) [#&#8203;58818](nodejs/node#58818)
- \[[`fd61588bb4`](nodejs/node@fd61588bb4)] - **doc**: rename x509.extKeyUsage to x509.keyUsage (Filip Skokan) [#&#8203;59332](nodejs/node#59332)
- \[[`a271ae4360`](nodejs/node@a271ae4360)] - **doc**: fix Pbkdf2Params hash attribute heading (Filip Skokan) [#&#8203;59395](nodejs/node#59395)
- \[[`72cfff165b`](nodejs/node@72cfff165b)] - **doc**: fix missing reference links for server.keepAliveTimeoutBuffer (Lee Jiho) [#&#8203;59356](nodejs/node#59356)
- \[[`8341916772`](nodejs/node@8341916772)] - **doc**: fix grammar in global dispatcher usage (Eng Zer Jun) [#&#8203;59344](nodejs/node#59344)
- \[[`e3e489706b`](nodejs/node@e3e489706b)] - **doc**: run license-builder (github-actions\[bot]) [#&#8203;59343](nodejs/node#59343)
- \[[`46527e8cea`](nodejs/node@46527e8cea)] - **doc**: correct orthography `eg.` → `e.g.` (Jacob Smith) [#&#8203;59329](nodejs/node#59329)
- \[[`d140c3713e`](nodejs/node@d140c3713e)] - **doc**: clarify the need of compiler compatible with c++20 (Rafael Gonzaga) [#&#8203;59297](nodejs/node#59297)
- \[[`95e9cabf9d`](nodejs/node@95e9cabf9d)] - **doc**: clarify release candidate stability index (Filip Skokan) [#&#8203;59295](nodejs/node#59295)
- \[[`a056dd36d2`](nodejs/node@a056dd36d2)] - **doc**: add WDYT to glossary (btea) [#&#8203;59280](nodejs/node#59280)
- \[[`1e2c52f5c4`](nodejs/node@1e2c52f5c4)] - **doc**: add manpage entry for --use-system-ca (Joyee Cheung) [#&#8203;59273](nodejs/node#59273)
- \[[`31a46fdeb4`](nodejs/node@31a46fdeb4)] - **doc**: add path.join and path.normalize clarification (Rafael Gonzaga) [#&#8203;59262](nodejs/node#59262)
- \[[`cff3725ff9`](nodejs/node@cff3725ff9)] - **doc**: fix typo in `test/common/README.md` (Yoo) [#&#8203;59180](nodejs/node#59180)
- \[[`31a9283591`](nodejs/node@31a9283591)] - **doc**: add note on process memoryUsage (fengmk2) [#&#8203;59026](nodejs/node#59026)
- \[[`5a98bff6b8`](nodejs/node@5a98bff6b8)] - **doc**: format safely for `doc-kit` (Aviv Keller) [#&#8203;59229](nodejs/node#59229)
- \[[`95b8b7ea5c`](nodejs/node@95b8b7ea5c)] - **domain**: remove deprecated API call (Alex Yang) [#&#8203;59339](nodejs/node#59339)
- \[[`2990f178bd`](nodejs/node@2990f178bd)] - **fs**: fix glob TypeError on restricted dirs (Sylphy-0xd3ac) [#&#8203;58674](nodejs/node#58674)
- \[[`e2fb4caf9c`](nodejs/node@e2fb4caf9c)] - **fs**: correct error message when FileHandle is transferred (Alex Yang) [#&#8203;59156](nodejs/node#59156)
- \[[`aeb4de55a7`](nodejs/node@aeb4de55a7)] - **(SEMVER-MINOR)** **fs**: port SonicBoom module to fs module as Utf8Stream (James M Snell) [#&#8203;58897](nodejs/node#58897)
- \[[`e79c93a5d0`](nodejs/node@e79c93a5d0)] - **(SEMVER-MINOR)** **http**: add server.keepAliveTimeoutBuffer option (Haram Jeong) [#&#8203;59243](nodejs/node#59243)
- \[[`0fb005a53f`](nodejs/node@0fb005a53f)] - **http2**: set Http2Stream#sentHeaders for raw headers (Darshan Sen) [#&#8203;59244](nodejs/node#59244)
- \[[`e055539604`](nodejs/node@e055539604)] - **lib**: add trace-sigint APIs (theanarkh) [#&#8203;59040](nodejs/node#59040)
- \[[`d2183d860a`](nodejs/node@d2183d860a)] - **lib**: optimize writable stream buffer clearing (Yoo) [#&#8203;59406](nodejs/node#59406)
- \[[`47543a7e17`](nodejs/node@47543a7e17)] - **lib**: handle windows reserved device names on UNC (Rafael Gonzaga) [#&#8203;59286](nodejs/node#59286)
- \[[`c6911f0717`](nodejs/node@c6911f0717)] - **lib**: do not modify prototype deprecated asyncResource (RafaelGSS) [#&#8203;59195](nodejs/node#59195)
- \[[`3c88b769bb`](nodejs/node@3c88b769bb)] - **lib**: restructure assert to become a class (Miguel Marcondes Filho) [#&#8203;58253](nodejs/node#58253)
- \[[`e91b54df59`](nodejs/node@e91b54df59)] - **lib**: handle superscript variants on windows device (Rafael Gonzaga) [#&#8203;59261](nodejs/node#59261)
- \[[`4ee467905d`](nodejs/node@4ee467905d)] - **lib**: use validateString (hotpineapple) [#&#8203;59296](nodejs/node#59296)
- \[[`c144d69efc`](nodejs/node@c144d69efc)] - **lib**: docs deprecate \_http\_\* (Sebastian Beltran) [#&#8203;59293](nodejs/node#59293)
- \[[`c89b67e681`](nodejs/node@c89b67e681)] - **lib**: add type names in source mapped stack traces (Chengzhong Wu) [#&#8203;58976](nodejs/node#58976)
- \[[`5b2363be8d`](nodejs/node@5b2363be8d)] - **lib**: prefer AsyncIteratorPrototype primordial (René) [#&#8203;59097](nodejs/node#59097)
- \[[`41b4f4d694`](nodejs/node@41b4f4d694)] - **meta**: clarify pr objection process further (James M Snell) [#&#8203;59096](nodejs/node#59096)
- \[[`0eb5962f1e`](nodejs/node@0eb5962f1e)] - **meta**: add mailmap entry for aditi-1400 (Aditi) [#&#8203;59316](nodejs/node#59316)
- \[[`a2b72c2304`](nodejs/node@a2b72c2304)] - **meta**: add tsc and build team as codeowners building.md (Rafael Gonzaga) [#&#8203;59298](nodejs/node#59298)
- \[[`d69f3ee1e0`](nodejs/node@d69f3ee1e0)] - **meta**: add nodejs/path to path files (Rafael Gonzaga) [#&#8203;59289](nodejs/node#59289)
- \[[`1e37eab865`](nodejs/node@1e37eab865)] - **node-api**: reword "implementation in an alternative VM" as implementable (Chengzhong Wu) [#&#8203;59036](nodejs/node#59036)
- \[[`64add6302a`](nodejs/node@64add6302a)] - **src**: use simdjson to parse SEA configuration (Joyee Cheung) [#&#8203;59323](nodejs/node#59323)
- \[[`e9c6636585`](nodejs/node@e9c6636585)] - **src**: mark realm leaf classes final (Anna Henningsen) [#&#8203;59355](nodejs/node#59355)
- \[[`42ef8147d1`](nodejs/node@42ef8147d1)] - **src**: warn about FastOneByteString invalidation (James M Snell) [#&#8203;59275](nodejs/node#59275)
- \[[`8686b8037a`](nodejs/node@8686b8037a)] - **src**: remove unused DSAKeyExportJob (Filip Skokan) [#&#8203;59291](nodejs/node#59291)
- \[[`1e5f632666`](nodejs/node@1e5f632666)] - **src**: use C++20 `contains()` method (iknoom) [#&#8203;59304](nodejs/node#59304)
- \[[`22d4683cfe`](nodejs/node@22d4683cfe)] - **src**: added CHECK\_NOT\_NULL check for multiple eq\_wrap\_async (F3lixTheCat) [#&#8203;59267](nodejs/node#59267)
- \[[`6a47ff4943`](nodejs/node@6a47ff4943)] - **src**: clear all linked module caches once instantiated (Chengzhong Wu) [#&#8203;59117](nodejs/node#59117)
- \[[`33728cb4ca`](nodejs/node@33728cb4ca)] - **src**: add nullptr checks in `StreamPipe::New` (Burkov Egor) [#&#8203;57613](nodejs/node#57613)
- \[[`4a907bdad1`](nodejs/node@4a907bdad1)] - **src**: add percentage support to --max-old-space-size (Asaf Federman) [#&#8203;59082](nodejs/node#59082)
- \[[`7c189d4f55`](nodejs/node@7c189d4f55)] - **test**: deflake sequential/test-tls-session-timeout (Joyee Cheung) [#&#8203;59423](nodejs/node#59423)
- \[[`fb0a6fb57f`](nodejs/node@fb0a6fb57f)] - **test**: exclude mock from coverage (Shima Ryuhei) [#&#8203;59348](nodejs/node#59348)
- \[[`7e10f95f13`](nodejs/node@7e10f95f13)] - **test**: split test-fs-cp.js (Joyee Cheung) [#&#8203;59408](nodejs/node#59408)
- \[[`41bcf5f659`](nodejs/node@41bcf5f659)] - **test**: update WPT resources,WebCryptoAPI,webstorage (Filip Skokan) [#&#8203;59311](nodejs/node#59311)
- \[[`f9f3dc94cb`](nodejs/node@f9f3dc94cb)] - **test**: add known issue test for fs.cpSync dereference bug (James M Snell) [#&#8203;58941](nodejs/node#58941)
- \[[`244d0c38a8`](nodejs/node@244d0c38a8)] - **test**: deflake stream-readable-to-web test (Ethan Arrowood) [#&#8203;58948](nodejs/node#58948)
- \[[`564e604a1a`](nodejs/node@564e604a1a)] - **test**: make test-inspector-network-resource sequential (Shima Ryuhei) [#&#8203;59104](nodejs/node#59104)
- \[[`7ab13b7477`](nodejs/node@7ab13b7477)] - **test**: don't use expose internals in test-http-outgoing-buffer.js (Meghan Denny) [#&#8203;59219](nodejs/node#59219)
- \[[`319df3859a`](nodejs/node@319df3859a)] - **test,crypto**: skip unsupported ciphers (Shelley Vohr) [#&#8203;59388](nodejs/node#59388)
- \[[`713c70c32a`](nodejs/node@713c70c32a)] - **test\_runner**: remove unused callee convertion (Alex Yang) [#&#8203;59221](nodejs/node#59221)
- \[[`e4ca30e115`](nodejs/node@e4ca30e115)] - **tools**: disable nullability-completeness warnings (Michaël Zasso) [#&#8203;59392](nodejs/node#59392)
- \[[`dab7f6b542`](nodejs/node@dab7f6b542)] - **tools**: check for std::vector\<v8::Local> in lint (Aditi) [#&#8203;58497](nodejs/node#58497)
- \[[`7b94982eb0`](nodejs/node@7b94982eb0)] - **tools**: allow selecting test subsystems with numbers in their names (Darshan Sen) [#&#8203;59242](nodejs/node#59242)
- \[[`16bbcd8881`](nodejs/node@16bbcd8881)] - **typings**: improve internal binding types (Nam Yooseong) [#&#8203;59351](nodejs/node#59351)
- \[[`76bc4d659b`](nodejs/node@76bc4d659b)] - **typings**: improve internal binding types (Michaël Zasso) [#&#8203;59176](nodejs/node#59176)
- \[[`eecd3272a6`](nodejs/node@eecd3272a6)] - **worker**: add name for worker (theanarkh) [#&#8203;59213](nodejs/node#59213)
- \[[`84c3513ce2`](nodejs/node@84c3513ce2)] - **worker**: implements nits in Web Locks code (Antoine du Hamel) [#&#8203;59270](nodejs/node#59270)
- \[[`bd68fbd753`](nodejs/node@bd68fbd753)] - **worker**: add cpuUsage for worker (theanarkh) [#&#8203;59177](nodejs/node#59177)
- \[[`201304537e`](nodejs/node@201304537e)] - **(SEMVER-MINOR)** **zlib**: add dictionary support to zstdCompress and zstdDecompress (lluisemper) [#&#8203;59240](nodejs/node#59240)

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joyeecheung added a commit to joyeecheung/node that referenced this pull request Aug 22, 2025
Original commit message:

    [api] Add index-based module resolution in InstantiateModule()

    Add new InstantiateModule() overload that allows embedders to identify
    modules requests by index in the module requests array rather than
    using specifier and import attributes. When embedders want to fetch
    all the modules using information from module->GetModuleRequests()
    before calling InstantiateModule() instead of having to do the fetching
    inside the InstantiateModule() callback, they could just maintain a simple array of modules indexed by module request positions and
    look up the fetched the module by index in the new callback.
    Previously this has to be done by mapping from specifier and import
    attributes to module objects cached on the embedder side, leading to an overhead to hash the specifier and import attributes for each module request.

    Refs: nodejs#59117
    Bug: 435317398
    Change-Id: Ie017d2f3ccc605e0f58aa423504b5fa5fdbcc633

Refs: v8/v8@1db0e6b
Co-authored-by: Joyee Cheung <joyeec9h3@gmail.com>
joyeecheung added a commit to joyeecheung/node that referenced this pull request Aug 22, 2025
Original commit message:

    [api] Add index-based module resolution in InstantiateModule()

    Add new InstantiateModule() overload that allows embedders to identify
    modules requests by index in the module requests array rather than
    using specifier and import attributes. When embedders want to fetch
    all the modules using information from module->GetModuleRequests()
    before calling InstantiateModule() instead of having to do the fetching
    inside the InstantiateModule() callback, they could just maintain a simple array of modules indexed by module request positions and
    look up the fetched the module by index in the new callback.
    Previously this has to be done by mapping from specifier and import
    attributes to module objects cached on the embedder side, leading to an overhead to hash the specifier and import attributes for each module request.

    Refs: nodejs#59117
    Bug: 435317398
    Change-Id: Ie017d2f3ccc605e0f58aa423504b5fa5fdbcc633

Refs: v8/v8@46d7bc7
Co-authored-by: Joyee Cheung <joyeec9h3@gmail.com>
@richardlau richardlau added the backport-requested-v22.x PRs awaiting manual backport to the v22.x-staging branch. label Sep 19, 2025
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This doesn't land cleanly on v22.x-staging so a manual backport will be necessary if this is to be released there.

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SourceTextModule leaks memory when context is used
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