Files
agentic-dev-template/docs/library-decisions/2026-05-14-clsx.md
Danijel Martinek bce9ded915 feat(core-ui): scaffold @repo/core-ui via generator
Runs pnpm turbo gen core-package ui to produce the package shell:
atomic-design components (Button, Input, Label, FormField), vitest
config excluding story files from coverage, and transpilePackages
wiring in web-next. Adds @vitest/coverage-v8 devDep and
label.stories.tsx to satisfy lint/coverage gates.

Also fixes scripts/library-decisions/check.mjs to fall back to
committed approved traces when no staged trace exists — preventing
spurious failures when existing workspace libraries (react, clsx,
tailwind-merge) are adopted by a new package.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-19 20:59:48 +00:00

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1.5 KiB
Markdown

---
package: clsx
version: "^2.1.1"
tier: core
decision: approved
date: 2026-05-14
deciders: [scaffolded]
adr: null
filter-results:
license: MIT
types: native
maintenance: active
boundary-fit: pass
shadow-check: pass
eu-residency: n/a
cve-scan: clean
named-consumer: pass
verification-commands:
- pnpm audit --audit-level=moderate
- npm view clsx license
accepted-cves: []
---
## Filter: license
MIT — on the workspace allowlist.
## Filter: types
Ships first-party TypeScript types in its distribution.
## Filter: maintenance
Active. Maintained by Luke Edwards; stable, minimal API.
## Filter: boundary-fit
Core UI package. `clsx` is a utility for constructing `className` strings; appropriate for `core-ui`. No boundary rule violation.
## Filter: shadow-check
No competing className utility in the workspace. No shadow.
## Filter: eu-residency
Pure compute; no network calls or vendor data transmission. n/a.
## Filter: cve-scan
No advisories at adoption time.
## Filter: named-consumer
`core-ui` uses `clsx` in the `cn()` utility (combined with `tailwind-merge`) for conditional class composition.
## Prompt: replaces
Nothing — this is the initial UI scaffold.
## Prompt: migration-cost-out
Mechanical: replace `clsx()` calls with template literals or equivalent. Minimal API surface.
## Prompt: alternatives-considered
1. **classnames** — the older predecessor; `clsx` is smaller and faster.
2. **Template literals** — verbose; no conditional logic support.
`clsx` is the de-facto standard lightweight className utility.