CodeSampleX

Sample

parse YAML string into JavaScript object with YAML.parse

sha256:895a9cde1852a0f6ca69598edbdee7335b230e443c38ea15dfc62c2b24d00362

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 22.23 windows 11 x64 node 22.23 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 YAML string into JavaScript object with YAML.parse
Packages
Symbols
  • YAML.parse
Environment
node 22.23.2
Created
2026-08-19T12:49:32Z

Contract

  1. YAML.parse parses YAML scalar, sequence, and mapping structures into JavaScript values
  2. YAML.parse transforms parsed values when given a custom reviver function
  3. YAML.parse supports parsing boolean, integer, float, and null values with strict typing
  4. YAML.parse correctly parses nested collections and inline arrays
  5. YAML.parse throws an error when parsing malformed or invalid YAML syntax

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous