CodeSampleX

Sample

parse, validate, and check version range satisfaction with semver

sha256:7ec181feae4af362317a4f0d305b4a789b1f1cfd6a8c2b398feef9872fe70464

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 10

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
parse, validate, and check version range satisfaction with semver
Packages
Symbols
  • satisfies
Environment
node 22
Created
2026-08-19T07:34:16Z

Contract

  1. semver.satisfies returns true when a version falls within a caret or tilde range
  2. semver.satisfies returns false when a version is outside the specified range
  3. semver.satisfies evaluates complex comparative range expressions
  4. semver.satisfies supports includePrerelease option for matching prerelease versions
  5. semver.satisfies returns false for invalid versions or non-matching ranges

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous