CodeSampleX

Sample

coerce loose version strings with semver.coerce

sha256:c5ee645f890e54e95fe51f2c436090b95124d4a682af64122c7b7c2420af9309

Publication state. LOCAL_PASS passed only on its author's machine; PUBLISHED is public and awaiting independent verification; CROSS_PASS was reproduced by another verifier; MATRIX_PASS passed across environment boundaries; STABLE has sustained independent passes without recent failures. Evidence strength. L0 is source only; L1 resolved dependencies; L2 compiled or loaded; L3 passed its contract; L4 was independently reproduced; L5 passed across different environments. MIT-0

Execution evidence

Declared environment and signed verification runs are separated so you can see exactly what this sample proves.

Evidence basis
Independent cross-verification
Verification receipts
1
Verification level
L4_CROSS_PASS
Declared environment node 22 windows 11 x64 node 22 javascript npm 11

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1		 2026-08-19

Case

HOW
Goal
coerce loose version strings with semver.coerce
Packages
Symbols
  • semver.coerce
Environment
node 22
Created
2026-08-19T00:15:54Z

Contract

  1. semver.coerce parses loose version strings into a valid SemVer object
  2. semver.coerce returns null for strings that cannot be coerced into a version
  3. semver.coerce supports rtl option to coerce version numbers from right to left
  4. semver.coerce supports includePrerelease option to preserve prerelease tags

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous