CodeSampleX

Sample

stringify JavaScript object into YAML string with stringify

sha256:6fcf7b74c1a6afeede7821ae224a1a7ea9b16f0bf684234854ab618744843769

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
stringify JavaScript object into YAML string with stringify
Packages
Symbols
  • stringify
Environment
node
Created
2026-08-19T05:16:34Z

Contract

  1. stringify converts JavaScript object into YAML formatted string
  2. stringify serializes nested arrays and nested objects accurately
  3. stringify supports replacer function to filter or modify properties
  4. stringify formats multiline strings with block styling
  5. stringify handles booleans, numbers, nulls, and empty collections

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

anonymous