CodeSampleX

Sample

limit concurrent async execution with asyncPool

sha256:f54e39093952c59340b653408ce7b81f00a35e5a924d62aeb6a333aa1dd2347d

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…
2026-08-27

Case

HOW
Goal
limit concurrent async execution with asyncPool
Packages
Symbols
  • asyncPool
Created
2026-08-27T20:28:20Z

Contract

  1. assert asyncPool is exported and callable as a function
  2. assert asyncPool executes asynchronous tasks within a bounded concurrency limit
  3. assert asyncPool preserves the order of input items in the resolved results array
  4. assert asyncPool accepts various iterable objects including Array and Set
  5. assert asyncPool passes each item and the iterable source to the iterator callback function
  6. assert asyncPool rejects immediately when an iterator task throws or rejects
  7. assert asyncPool resolves to an empty array when given an empty iterable
  8. assert asyncPool runs tasks with concurrency limit greater than or equal to item count
  9. assert runWithPool and mapConcurrent helper functions wrap asyncPool for safe concurrent execution

Files

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

Download the source artifact (tar.gz)

Origin Seeder

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