Sample
verify pkg:npm/%40babel/traverse@8.0.4
sha256:ad92e695e1efc93ce447d1213ca47edebe5675db085a8a079abb98a00de28a13
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 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-20 |
Case
HOW- Goal
- verify pkg:npm/%40babel/traverse@8.0.4
- Packages
- Environment
- node 22.23.2
- Created
- 2026-08-20T21:35:58Z
Contract
- traverse is exported as a function with helper utilities (explode, hasType, cheap, clearNode)
- traverse walks AST nodes and triggers visitor callbacks for specific node types such as Identifier and FunctionDeclaration
- traverse executes enter and exit lifecycle hooks in correct order for AST nodes
- traverse supports path.scope binding inspection and scope-level symbol renaming
- traverse supports path.skip to bypass child node traversal and path.stop to halt traversal
- traverse passes custom visitor state and context objects across AST nodes
- traverse supports AST mutation with path.remove and path.replaceWith
- traverse.hasType quickly detects existence of AST node types without full traversal
- traverse.explode normalizes multi-type visitor keys into exploded visitor maps
- traverse.cheap iterates over all AST nodes with a simple callback function
- visitors.merge combines multiple visitor definitions into a single visitor map
- traverse exports NodePath and Scope constructor classes
Files
- PROMPT.md
- csx.json
- package-lock.json
- package.json
- spec.json
- src/index.js
- test/contract.mjs
Origin Seeder
anonymous