zlib: accept ArrayBuffer dictionary in Zstd

[islandryu]

Fixes: #64598

[codecov]

Codecov Report

❌ Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.15%. Comparing base (4f844f4) to head (db7a201).
⚠️ Report is 20 commits behind head on main.

Files with missing lines	Patch %	Lines
lib/zlib.js	72.72%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #64599      +/-   ##
==========================================
+ Coverage   90.13%   90.15%   +0.01%     
==========================================
  Files         741      741              
  Lines      241976   241983       +7     
  Branches    45543    45551       +8     
==========================================
+ Hits       218116   218158      +42     
+ Misses      15379    15345      -34     
+ Partials     8481     8480       -1     

Files with missing lines	Coverage Δ
lib/zlib.js	98.07% <72.72%> (-0.26%)	⬇️

... and 35 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/74894/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/74900/

[nodejs-github-bot]

Commit Queue failed

- Loading data for nodejs/node/pull/64599
✔  Done loading data for nodejs/node/pull/64599
----------------------------------- PR info ------------------------------------
Title      zlib: accept ArrayBuffer dictionary in Zstd (#64599)
   ⚠  Could not retrieve the email or name of the PR author's from user's GitHub profile!
Branch     islandryu:zstd-arraybuffer-dictionary -> nodejs:main
Labels     zlib, needs-ci, commit-queue-squash
Commits    3
 - zlib: accept ArrayBuffer dictionary in Zstd
 - Update lib/zlib.js
 - zlib: import Uint8Array from primordials
Committers 2
 - islandryu <shimaryuhei@gmail.com>
 - GitHub <noreply@github.com>
PR-URL: https://github.com/nodejs/node/pull/64599
Fixes: https://github.com/nodejs/node/issues/64598
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
------------------------------ Generated metadata ------------------------------
PR-URL: https://github.com/nodejs/node/pull/64599
Fixes: https://github.com/nodejs/node/issues/64598
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
--------------------------------------------------------------------------------
   ℹ  This PR was created on Sun, 19 Jul 2026 14:09:57 GMT
   ✔  Approvals: 2
   ✔  - James M Snell (@jasnell) (TSC): https://github.com/nodejs/node/pull/64599#pullrequestreview-4731048915
   ✔  - Luigi Pinca (@lpinca): https://github.com/nodejs/node/pull/64599#pullrequestreview-4731357978
   ✔  Last GitHub CI successful
   ℹ  Last Full PR CI on 2026-07-20T06:23:12Z: https://ci.nodejs.org/job/node-test-pull-request/74900/
- Querying data for job/node-test-pull-request/74900/
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   ✔  Last Jenkins CI successful
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   ✔  No git cherry-pick in progress
   ✔  No git am in progress
   ✔  No git rebase in progress
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- Bringing origin/main up to date...
From https://github.com/nodejs/node
 * branch                  main       -> FETCH_HEAD
✔  origin/main is now up-to-date
- Downloading patch for 64599
From https://github.com/nodejs/node
 * branch                  refs/pull/64599/merge -> FETCH_HEAD
✔  Fetched commits as 8cf16b31f61b..db7a201f9535
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error: cherry-pick is already in progress
hint: try "git cherry-pick (--continue | --abort | --quit)"
fatal: cherry-pick failed
   ✘  Failed to apply patches

https://github.com/nodejs/node/actions/runs/29837964050

[nodejs-github-bot]

Landed in cecfdce