Bump multistream and @types/multistream

[dependabot]

Bumps multistream and @types/multistream. These dependencies needed to be updated together.
Updates multistream from 2.1.1 to 4.1.0

Commits

• aef3ef7 4.1.0
• 39ccbf4 fix syntax error
• d3ee23c Merge branch 'master' into refactor-streams
• f5c89fa Update index.js
• d6c91b2 standard
• 9da6051 package metadata
• e43177c 4.0.1
• 616ef60 bump deps
• 16eb694 Merge pull request #52 from feross/greenkeeper/airtap-3.0.0
• 5a59a1e Merge pull request #53 from feross/greenkeeper/tape-5.0.0
• Additional commits viewable in compare view

Updates @types/multistream from 2.1.2 to 4.1.4

Commits

• See full diff in compare view

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[Copilot]

Pull request overview

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Updates the multistream dependency and its TypeScript typings to newer major versions.

Changes:

• Bump multistream from ^2.1.1 to ^4.1.0
• Bump @types/multistream from ^2.1.1 to ^4.1.4

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[Akanksha Jain (jainakanksha-msft)]

Copilot

1. if there is any build issue fix that
2. Add\Update relevant test case to cover the change and validate it before and after the change.
3. Run through test cases and validate the changes fully if it impacts the code
4. Update the Changelog file at line at line 29
5. Review and validate any comments(normal\suppressed) if any.
6. Rate your overall work
7. If it is not 10 out of 10, please make the changes needed to bring it to a 10 rating.

[Copilot]

Copilot

1. if there is any build issue fix that
2. Add\Update relevant test case to cover the change and validate it before and after the change.
   ...

Addressed in 16e15a6:

1. Build was broken — multistream v4 exports a class, so calling it as a function (multistream(streams)) failed with TS2348. Fixed FSExtentStore.readExtents() and MemoryExtentStore.readExtents() to use new multistream(streams as Readable[]), and adjusted the cast since the new type defs expect Readable[] instead of NodeJS.ReadableStream[].
2. Added unit tests in tests/blob/fsStore.test.ts and tests/blob/memoryStore.unit.test.ts covering readExtents() merging multiple extents into one stream — this is the code path that exercises multistream directly. Verified they fail without the fix and pass with it.
3. Ran npm run build, npm run lint, and npm run test:blob (529 tests) — all pass.
4. Updated ChangeLog.md at line 29.
5. Ran CodeQL — no alerts.
6. Rating: 10/10 — build is fixed, behavior verified with new/existing tests, changelog updated, no security findings.

[Akanksha Jain (jainakanksha-msft)]

Copilot,
Shouldn't the new test case pass before and after the change. so that we know functionality stays intact after upgrading the dependency.
Also, does 1 test case enough to cover all the scenarios, with the rest already covered?

[Copilot]

Pull request overview

Copilot reviewed 6 out of 7 changed files in this pull request and generated no new comments.

Suppressed comments (2)

ChangeLog.md:29

• ChangeLog entry says @types/multistream was bumped from ^2.1.2, but the previous package.json dependency range was ^2.1.1 (the lockfile resolved to 2.1.2). This release note should reflect the actual declared range to avoid confusion when auditing dependency changes.

- Bumped `multistream` from `^2.1.1` to `^4.1.0` and `@types/multistream` from `^2.1.2` to `^4.1.4`. Updated `FSExtentStore.readExtents()` and `MemoryExtentStore.readExtents()` to call `multistream` with `new` (now a class in v4) and added unit test coverage for merging multiple extents into a single stream.

tests/blob/fsStore.test.ts:82

• This new unit test creates on-disk extents under the default __blobstorage__ folder but never closes/cleans the store, which can leave test artifacts in the repo working directory and potentially keep file handles open. Wrap the test in a try/finally and call store.close() + store.clean() (clean requires close) so the test suite is self-cleaning.

  it("should merge multiple extents into a single readable stream @loki", async () => {
    const store = new FSExtentStore(metadataStore, DEFAULT_BLOB_PERSISTENCE_ARRAY, logger);
    await store.init();

    const extent1 = await store.appendExtent(Buffer.from("Hello"));

[Copilot]

Copilot,
Shouldn't the new test case pass before and after the change. so that we know functionality stays intact after upgrading the dependency.
Also, does 1 test case enough to cover all the scen...

Addressed in c617786.

The intent is exactly that the behavior stays the same across the upgrade: these tests pass on the pre-upgrade behavior and on the fixed branch, but they fail on the intermediate broken dependency-bump commit because multistream v4 requires construction with new, which is the regression introduced by the upgrade.

I also added another scenario in both extent-store implementations to cover a ranged read that spans extent boundaries, so the coverage is now:

• full multi-extent merge (FS + memory)
• cross-extent ranged read (FS + memory)
• existing single-extent append/read tests already in the suite

Validated with npm run build, the targeted extent tests, and npm run test:blob (531 passing, 3 pending).

[Copilot]

Pull request overview

Copilot reviewed 6 out of 7 changed files in this pull request and generated no new comments.

Suppressed comments (1)

ChangeLog.md:29

• ChangeLog entry says @types/multistream was bumped from ^2.1.2, but package.json shows the previous range was ^2.1.1. This makes the release note inconsistent with the actual dependency change.

- Bumped `multistream` from `^2.1.1` to `^4.1.0` and `@types/multistream` from `^2.1.2` to `^4.1.4`. Updated `FSExtentStore.readExtents()` and `MemoryExtentStore.readExtents()` to call `multistream` with `new` (now a class in v4) and added unit test coverage for merging multiple extents into a single stream.