CodeSampleX

Sample

find-up 5.0.0: sync

Verified sample for npm find-up 5.0.0: sync. The contract ran on node 22 · linux alpine/x64 · docker and passed: assert findUp.sync returns the absolute path…

sha256:80062c8c0c79f702fe145950f85570018d84897165a6c1b6734039ed989eb47a

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1
2026-08-20

Case

HOW
Goal
verify find-up.sync in pkg:npm/find-up@5.0.0
Packages
Symbols
  • find-up.sync
Environment
node 22.23.2
Created
2026-08-20T22:12:42Z

Contract

  1. assert findUp.sync returns the absolute path when target file exists in the start directory
  2. assert findUp.sync walks up parent directories to find target file
  3. assert findUp.sync returns the first matching item when given an array of target filenames
  4. assert findUp.sync returns undefined when target file is not found in start or parent directories
  5. assert findUp.sync supports a custom synchronous matcher function to locate target path
  6. assert findUp.sync halts directory traversal when matcher returns findUp.stop

Files

  • PROMPT.md
  • csx.json
  • index.js
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.mjs

Download the source artifact (tar.gz)

Origin Seeder

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