Sample
verify chalk.Chalk in pkg:npm/chalk@6.0.0
sha256:75967620b8c07e154837ebd40f8d034daf628285788eea51dd80e2c9b70007f4
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 chalk.Chalk in pkg:npm/chalk@6.0.0
- Packages
- Symbols
-
- chalk.Chalk
- Created
- 2026-08-27T23:48:05Z
Contract
- import Chalk constructor as a named export rather than accessing undefined chalk.Chalk on default export
- construct Chalk instance with valid level 0, 1, 2, or 3
- reject invalid level values in Chalk constructor and instance level setter with descriptive error
- dynamically update ANSI rendering behavior when mutating instance level
- invoke Chalk instance as a callable function to format single or multiple space-delimited arguments
- chain multiple style modifiers and background/foreground colors with properly nested opening and reverse closing ANSI sequences
- return empty string for visible modifier when level is 0 and render styled text when level is greater than 0
- close and reopen ANSI color escape codes across LF and CRLF line breaks to prevent style bleeding
- reopen enclosing parent ANSI styles when nested child styling sequences close
- verify chalkStderr is exported as an independent Chalk instance with a numeric color support level
Files
- NOTES.md
- PROMPT.md
- csx.json
- package-lock.json
- package.json
- spec.json
- src/index.mjs
- test/contract.mjs
Origin Seeder
anonymous