Sandbox::https://github.com/RocketChat/Rocket.Chat/pull/43333

tassoevan · 2026-10-30T03:14:20Z

Proposed changes (including videos or screenshots)

The STAT response handler in @rocket.chat/poplib assigned listitem without declaring it, so every stat() call wrote listitem onto the global object. It only works because the file runs in sloppy mode; in strict mode the assignment throws and stat() breaks.

The variable is now declared with var, as the LIST and UIDL handlers already do. stat() returns the same { count, octets } as before.

No changeset, since the change isn't user-visible.

Issue(s)

ARCH-2641

Steps to test or reproduce

Call stat() on a logged-in POP3Client. It returns the message count and size, and globalThis.listitem stays undefined.

Further comments

What I verified: against a fake POP3 server answering +OK 3 1234, stat() returns {"count":"3","octets":"1234"} both before and after the change. Before it, listitem leaked onto globalThis; after it, it doesn't. node --check passes. The package has no lint or test scripts, so neither ran.

🤖 Generated with Claude Code

Summary by CodeRabbit

Bug Fixes
- Improved the handling of POP3 statistics responses. The reported message count and total message size continue to be parsed as before, with no change to the information shown to users.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

dionisio-bot · 2026-10-30T03:14:24Z

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changeset-bot · 2026-10-30T03:14:25Z

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coderabbitai · 2026-10-30T03:15:51Z

Walkthrough

The stat method now declares listitem locally when parsing a successful response. The parsing and trimming of count and octets remain unchanged.

Changes

POP3 stat parsing

Layer / File(s)	Summary
Declare the response parsing variable locally `packages/node-poplib/src/index.js`	The successful-response branch now declares `listitem` locally. The parsed `count` and `octets` values and their trimming remain unchanged.

Priority: Low

Estimated code review effort: 1 (Trivial) | ~2 minutes

Change: Bug fix

Suggested labels: type: bug

Suggested reviewers: ggazzo

Merge Risk: Minimal · up to 86447

The focused fix is low risk and preserves existing STAT behavior.

Pre-merge checks: 5

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly and concisely describes the main change: declaring `listitem` in the POP3 STAT handler.
Docstring Coverage		No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 0 functions across 1 files.

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codecov · 2026-10-30T03:26:22Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.41%. Comparing base (8083485) to head (864476f).
⚠️ Report is 3 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #43333      +/-   ##
===========================================
+ Coverage    72.40%   72.41%   +0.01%     
===========================================
  Files         5393     5393              
  Lines       232776   232776              
  Branches     44510    44558      +48     
===========================================
+ Hits        168533   168576      +43     
+ Misses       59729    59664      -65     
- Partials      4514     4536      +22

Flag	Coverage Δ
e2e	`62.67% <ø> (+0.01%)`	⬆️
e2e-api	`49.25% <ø> (+0.28%)`	⬆️
unit	`72.20% <ø> (-0.01%)`	⬇️

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fix: declare listitem in poplib's STAT handler

864476f

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tassoevan added this to the 9.1.0 milestone Oct 30, 2026

cubic-dev-ai Bot reviewed Oct 30, 2026

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tassoevan requested a review from a team October 30, 2026 03:15

coderabbitai Bot added the type: bug label Oct 30, 2026

KevLehman approved these changes Oct 30, 2026

View reviewed changes

tassoevan added the stat: QA assured Means it has been tested and approved by a company insider label Oct 30, 2026

dionisio-bot Bot added the stat: ready to merge PR tested and approved waiting for merge label Oct 30, 2026

dionisio-bot Bot added this pull request to the merge queue Oct 30, 2026

Merged via the queue into develop with commit 141f39f Oct 30, 2026
70 checks passed

dionisio-bot Bot deleted the fix/poplib-stat-listitem branch October 30, 2026 16:27

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fix: declare `listitem` in poplib's STAT handler - #43333

fix: declare `listitem` in poplib's STAT handler#43333
dionisio-bot[bot] merged 1 commit into
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fix/poplib-stat-listitem

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