Sample
verify @jest/console.NullConsole in pkg:npm/%40jest/console@29.7.0
sha256:c293b57a2933bf1728696545a605eb0964eab66e23c3f7729ba82689cfb821b7
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
- verify @jest/console.NullConsole in pkg:npm/%40jest/console@29.7.0
- Packages
- Symbols
-
- @jest/console.NullConsole
- Created
- 2026-08-27T18:02:08Z
Contract
- NullConsole constructor requires writable stream instances for stdout and stderr or throws ERR_CONSOLE_WRITABLE_STREAM
- createNullConsole creates a NullConsole instance with default no-op writable streams
- NullConsole suppresses log, info, warn, error, and debug messages without writing to output streams
- NullConsole assert, dir, and trace methods execute as no-ops without throwing errors
- NullConsole group, groupCollapsed, and groupEnd manage indentation state silently without writing output
- NullConsole time, timeEnd, timeLog, count, and countReset execute silently without logging
- withNullConsole temporarily silences global console output during function execution and restores the original console
Files
- PROMPT.md
- csx.json
- index.js
- package-lock.json
- package.json
- spec.json
- test/contract.js
Origin Seeder
anonymous