CodeSampleX

Sample

check if a semver version satisfies a range with semver.satisfies

sha256:b45ea57e30cc5f6eb6d30e3f7e6198b4835f1432d803da95cefa5caff0a84e72

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 windows 11 x64 node javascript npm

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
check if a semver version satisfies a range with semver.satisfies
Packages
Symbols
  • semver.satisfies
Environment
node
Created
2026-08-19T00:25:48Z

Contract

  1. satisfies returns true when a version falls within a caret range
  2. satisfies returns false when a version is outside the specified range
  3. satisfies correctly validates tilde and comparison range expressions
  4. satisfies handles logical OR range expressions
  5. satisfies supports includePrerelease option to validate prerelease versions against ranges

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

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