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Evidencecamelcase-52

c('Hello1World')

camelcase#52, at commit 7501406. A closed issue from a repository Credda did not choose.

LIVE2026-09-20

NO_FAILURE_OBSERVED

executed against the upstream checkout.

Outcome
INCONCLUSIVE
Wall time
61.8s
Checks
3 passed of 5 applicable

RECORDED

NOT_GRADED

graded from the transcript committed with this case.

Outcome
not recorded
Checks
none run
Repository
sindresorhus/camelcase
Issue
#52
Pinned commit
75014061a127d6e2c35503059605c4f655fe66db

01The signal

The report, exactly as it was filed.

Nothing paraphrased or cleaned up. The mess is the thing under test.

camelcase#52 · as filedcommit 7501406

c('Hello1World')

Seems like the fix to #42 changes the behavior of identifying word breaks after numbers:

Pre 5.3.0:

```
camelcase('Hello1World') === 'hello1World'
```

5.3.0:

```
camelcase('Hello1World') === 'hello1world';
```

I guess it's a matter of opinion, but the previous behavior does seem more like what people would expect. At any rate, if this is the intended behavior, I would have preferred a major version bump.
Issue
#52
Commit
75014061a127d6e2c35503059605c4f655fe66db
Why this commit
The first parent of the fix commit 81cc16a0c72aba836976ab226167a140c27d7897, which GitHub binds to this issue via CLOSED_EVENT_PR. Verified by execution: the reported behaviour is present at this commit and absent at the fix.
How the text was obtained
Fetched verbatim via the GitHub GraphQL API. Title on the first line, body unmodified below it. Nothing was paraphrased, cleaned up, or supplemented.
Toolchain
javascript · node · unknown · npm

02What counts as reproducing it

The bar, written down before the run.

expected.reportedFailurecommitted with the case
Symptom
camelcase('Hello1World') produces 'hello1world'; the fix makes it produce 'hello1World'.
Expression
camelcase('Hello1World')
Reported output
'hello1world'
Where that came from
Proposed by a model reading this report and nothing else -- it never saw the repository or the fix commit -- and read back as a claim by the same parser the harvest uses, SAME_LINE form: `camelcase('Hello1World') //=> 'hello1world'`. The report sat in the CODE_NO_ANNOTATION_AT_ALL bucket, which no regex reaches. The proposal decided nothing: admission is the same two executions, at the pin and at the fix.

03What happened

No failure was captured.

Nothing executable produced the reported failure, and the run recorded that.

bench external · checks · LIVE5 checks · 2026-09-20

The LIVE grading as emitted. A check that did not apply is never shown as a pass.

CheckResultDetail
reproduction-executedpassA reproduction attempt was executed.
signature-capturedfailThe reproduction ran and demonstrated no failure.
right-failurefailExpected `camelcase('Hello1World')` still producing 'hello1world'.
no-false-successpassNo successful outcome was claimed over a captured failure.
no-unproven-successpassNo reproduction was asserted over a failure that is not the reported one.

bench/external/scorecard.json, the run of 2026-09-20 against all 158 upstream checkouts.

The same case, graded from the transcript recorded .

The grading the benchmark gate runs on. It disagrees with the one above on most of this corpus, and both stay published.

Check it yourself

Everything here is downstream of a public commit.

Clone it, check out 7501406, run the report through the CLI the way the study did.

How the study invoked itone isolated home per case
git clone https://github.com/sindresorhus/camelcase
git checkout 75014061a127d6e2c35503059605c4f655fe66db
npm install

CREDDA_PROVIDER=heuristic \
  npx tsx apps/cli/src/main.ts fix <repo-path> @<issue-file> --no-color
Read the full studyAll 158 cases