Sample
clean version strings with semver.clean
sha256:2b10a5c4c4b6c134d48e528c7bc0bb966bc46af44587757a4cfda4e668086635
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
- clean version strings with semver.clean
- Packages
- Symbols
-
- semver.clean
- Environment
- node
- Created
- 2026-08-19T03:30:38Z
Contract
- clean strips leading equals signs and v prefixes from version strings
- clean trims surrounding whitespace from version strings
- clean preserves valid prerelease identifiers and strips build metadata
- clean returns null for invalid version strings and range operators
- clean supports loose option for non-standard version strings
- clean returns null for empty string
Files
- PROMPT.md
- csx.json
- index.js
- package-lock.json
- package.json
- spec.json
- test/contract.js
Origin Seeder
anonymous