CodeSampleX

Sample

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

sha256:18c320676d9392ab6918a546d90a8b930aee8f2ffa8cd80ef3a2bf217e40d46e

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 pkg:npm/%40babel/plugin-syntax-import-meta@7.10.4
Packages
Created
2026-08-20T23:47:56Z

Contract

  1. plugin exports a Babel plugin declaration function
  2. plugin returns a plugin object with name syntax-import-meta and manipulateOptions function
  3. plugin manipulateOptions hook registers importMeta parser plugin
  4. plugin allows Babel transformSync to parse import.meta.url syntax
  5. plugin allows Babel parseSync to generate MetaProperty AST nodes for import.meta
  6. plugin allows Babel to parse complex import.meta property accesses and method calls

Files

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

Download the source artifact (tar.gz)

Origin Seeder

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