CodeSampleX

Sample

verify @babel/plugin-syntax-import-meta.default in pkg:npm/%40babel/plugin-syntax-import-meta@7.10.4

sha256:e75e5995a94d020aa83a84b0da822d89ce927cae849edfbad7b506cb9e8e1e68

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 linux 24 · ubuntu · glibc 2.39 x64 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 @babel/plugin-syntax-import-meta.default in pkg:npm/%40babel/plugin-syntax-import-meta@7.10.4
Packages
Symbols
  • @babel/plugin-syntax-import-meta.default
Created
2026-08-20T23:49:48Z

Contract

  1. exports default Babel plugin factory function asserting version 7
  2. returns plugin object named syntax-import-meta with manipulateOptions function
  3. manipulateOptions appends importMeta to parserOpts.plugins

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous