Sample
chalk 5.4.1: Preserve string interpolation and argument types across Chalk styling calls without tagged-template array concatenation or silent Object coercion
Verified sample for npm chalk 5.4.1: Preserve string interpolation and argument types across Chalk styling calls without tagged-template array concatenation…
sha256:82b00788c1e285d6dea83a1df814eea768a2def744ca9905992c4c16344b5a5f
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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
- Preserve string interpolation and argument types across Chalk styling calls without tagged-template array concatenation or silent Object coercion
- Packages
- Symbols
-
- chalk
- Environment
- node
- Created
- 2026-08-16T16:10:40Z
Contract
- Calling a Chalk style function as a tagged template literal coerces the template strings array with commas and appends substitutions at the end rather than interleaving them.
- Evaluating template expressions before passing them into Chalk produces properly interpolated and styled strings
- Passing variadic arguments joins them with spaces whereas passing an array stringifies elements with commas
- Passing plain objects coerces them to [object Object] rather than JSON or inspected representation
- Passing empty strings or empty arrays returns an empty string without ANSI escape sequences while 0 and false retain ANSI styling
- Passing a Symbol directly throws a TypeError from string coercion
Files
- NOTES.md
- csx.json
- package-lock.json
- package.json
- src/index.mjs
- test/contract.mjs