Sample
chalk 5.4.1: Handle unset input arguments and empty strings in Chalk styler functions which short-circuit to empty string rather than emitting ANSI escape sequence wrappers
Verified sample for npm chalk 5.4.1: Handle unset input arguments and empty strings in Chalk styler functions which short-circuit to empty string rather than…
sha256:b0f2e7843bb196392a0edc94ad26a642872324e15b87d138018acd8289d4d53f
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
- 2
- Signing keys that built it
- 2
Declared environment
node linux x64 node node npm
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| node 22 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-16 |
| node 22 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-18 |
Case
HOW- Goal
- Handle unset input arguments and empty strings in Chalk styler functions which short-circuit to empty string rather than emitting ANSI escape sequence wrappers
- Packages
- Symbols
-
- chalk
- Chalk
- chalk.visible
- Environment
- node
- Created
- 2026-08-16T16:08:46Z
Contract
- chalk.red() with an unset argument returns an empty string with no escape codes rather than the styled empty wrapper \u001b[31m\u001b[39m
- assert chalk.red('') returns an empty string without ANSI escape codes
- assert passing explicit undefined to chalk.red(undefined) coerces to literal string '\u001b[31mundefined\u001b[39m'
- assert passing numeric 0 or boolean false coerces each value to string and applies ANSI styling
- assert multi-argument styling joins arguments with a single space delimiter before applying ANSI codes
- assert chalk.visible returns an empty string when color level is 0 instead of falling back to plain text
Files
- NOTES.md
- csx.json
- package-lock.json
- package.json
- src/index.mjs
- test/contract.mjs