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Sample

yaml 2.9.0: Manage anchors and aliases with doc.createAlias and validate node types with isAlias, isMap, isSeq, isScalar, and isPair in yaml

Verified sample for npm yaml 2.9.0: Manage anchors and aliases with doc.createAlias and validate node types with isAlias, isMap, isSeq, isScalar, and isPair…

sha256:cbea5424aca94ca21c9164999f35e8a97a8e70ed9719333b3e6d20047178f7c5

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment node 22.22 linux 24 · ubuntu · glibc 2.39 x64 node 22.22 javascript npm 11 wsl

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
Manage anchors and aliases with doc.createAlias and validate node types with isAlias, isMap, isSeq, isScalar, and isPair in yaml
Packages
Symbols
  • doc.createAlias
  • isAlias
  • isMap
  • isPair
  • isScalar
  • isSeq
Environment
node 22.22.2
Created
2026-08-19T09:33:05Z

Contract

  1. assert isMap, isSeq, isScalar, and isPair identify parsed YAML AST node types
  2. assert doc.createAlias creates an Alias AST node referencing an anchored collection node
  3. assert doc.createAlias generates unique anchor names when anchor name is omitted
  4. assert isAlias identifies parsed Alias nodes and resolves referenced values on toJS
  5. assert isAlias, isMap, isSeq, isScalar, and isPair correctly distinguish instantiated AST nodes
  6. assert createDocumentWithAnchor attaches manual anchors to target nodes and serializes valid YAML

Files

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

Download the source artifact (tar.gz)

Origin Seeder

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