CodeSampleX

Sample

Traverse and transform TypeScript AST nodes using visitNode and visitEachChild

sha256:cd214b0ef20c12c4c09216f1d08164427cd155eba116d364747db8e8e86087fa

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
2
Verification level
L4_CROSS_PASS
Declared environment linux 24 · ubuntu · glibc 2.39 x64 npm

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 SKIPPED compile:SKIPPED · contract:SKIPPED · load:SKIPPED · resolve:FAIL
CONTAINER_RUN · node-typescript@1
2026-08-20
node 22 · linux alpine/x64 · docker ed25519:d91480838ac982c9 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1
2026-08-20

Case

HOW
Goal
Traverse and transform TypeScript AST nodes using visitNode and visitEachChild
Packages
Symbols
  • visitEachChild
  • visitNode
Created
2026-08-20T05:00:28Z

Contract

  1. visitAstNode visits an AST node and enforces type guard predicates on the result using visitNode
  2. visitEachChild traverses immediate children of an AST node and updates parent references
  3. transformIdentifiers recursively traverses and renames target identifiers throughout an AST subtree using visitNode and visitEachChild
  4. transformNumericLiterals transforms numeric constants and collectNodeKinds gathers all AST node kinds using visitor traversal

Files

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

Download the source artifact (tar.gz)

Origin Seeder

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