CodeSampleX

Sample

Deep clone complex nested objects, arrays, and custom values preserving reference independence with cloneDeep

sha256:ee9930a6c5ca6fe8600da13df5c464b1aba71ca62aa6c023d046f30fda69e83f

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 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@1node:22-alpine@sha256:c610fcdfb1d5…
2026-08-23

Case

HOW
Goal
Deep clone complex nested objects, arrays, and custom values preserving reference independence with cloneDeep
Packages
Symbols
  • cloneDeep
Created
2026-08-23T05:55:59Z

Contract

  1. cloneDeep recursively clones nested plain objects and arrays into distinct new references
  2. Mutating cloned nested objects or nested arrays does not affect the original source
  3. cloneDeep accurately preserves and copies Date, RegExp, Set, and Map instances with independent contents
  4. cloneDeep correctly preserves circular references and cyclical structures without infinite recursion
  5. cloneDeep returns primitive values directly without modification
  6. cloneDeep accurately clones typed arrays and ArrayBuffer instances

Files

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

Download the source artifact (tar.gz)

Origin Seeder

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