CodeSampleX

Sample

verify pkg:npm/%40isaacs/balanced-match@4.0.1

sha256:d17d321b28c7587580f4e249eff182fa0703f244f4b6a685f16167ecb79707b6

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 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

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@1node:22-alpine@sha256:c610fcdfb1d5…		 2026-08-28

Case

HOW
Goal
verify pkg:npm/%40isaacs/balanced-match@4.0.1
Packages
Environment
node 22.23.2
Created
2026-08-28T07:09:19Z

Contract

  1. balanced extracts the first matching pair of balanced delimiters and returns start, end, pre, body, and post substrings
  2. balanced matches balanced nested delimiter pairs by identifying the outermost balanced match
  3. balanced matches the first closed delimiter pair when multiple sequential delimiter pairs are present
  4. balanced supports RegExp delimiters for matching dynamic and formatted delimiters
  5. range returns character index bounds of the first balanced delimiter match
  6. balanced returns undefined when delimiters do not match or remain unclosed

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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