Sample
validate and normalize version ranges with semver.validRange
sha256:824595fb71b0dba103d7dd1a7c4cd6b268b69e3798b5607c0abc8cfdbb19b09c
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
windows 11 x64 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
- validate and normalize version ranges with semver.validRange
- Packages
- Symbols
-
- validRange
- Created
- 2026-08-18T23:47:16Z
Contract
- semver.validRange parses caret, tilde, and wildcard ranges into normalized comparator sets
- semver.validRange parses hyphen ranges and logical OR range combinations into canonical comparators
- semver.validRange parses empty strings and asterisks into star wildcard range
- semver.validRange supports loose parsing and options configuration
- semver.validRange returns null for invalid range expressions or non-string inputs
Files
- PROMPT.md
- csx.json
- index.mjs
- package-lock.json
- package.json
- spec.json
- test/contract.mjs
Origin Seeder
anonymous