perf(v4): use cn for class merging (#11730)

apps/v4/lib/utils.ts

@@ -1,9 +1,4 @@
-import { clsx, type ClassValue } from "clsx"
+export { cn } from "cn"
-import { twMerge } from "tailwind-merge"
-
-export function cn(...inputs: ClassValue[]) {
-  return twMerge(clsx(inputs))
-}
 
 export function absoluteUrl(path: string) {
   return `${process.env.NEXT_PUBLIC_APP_URL}${path}`

apps/v4/package.json

@@ -61,6 +61,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
+    "cn": "^0.2.2",
     "date-fns": "^4.1.0",
     "dedent": "^1.6.0",
     "embla-carousel-autoplay": "8.5.2",

pnpm-lock.yaml

@@ -228,6 +228,9 @@ importers:
       cmdk:
         specifier: ^1.1.1
         version: 1.1.1(@types/react-dom@19.2.2(@types/react@19.2.2))(@types/react@19.2.2)(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
+      cn:
+        specifier: ^0.2.2
+        version: 0.2.2
       date-fns:
         specifier: ^4.1.0
         version: 4.1.0
@@ -5145,6 +5148,11 @@ packages:
       react: ^18 || ^19 || ^19.0.0-rc
       react-dom: ^18 || ^19 || ^19.0.0-rc
 
+  cn@0.2.2:
+    resolution: {integrity: sha512-1TjHp2yGdFzu5Td2bc2bnceh/WKPEvLYVtcg6czWSifHBy5oN/bK5/I0eFNIr839Hlh5cxrV93Yh2ByrpO5Stw==}
+    engines: {node: '>=20'}
+    hasBin: true
+
   code-block-writer@13.0.3:
     resolution: {integrity: sha512-Oofo0pq3IKnsFtuHqSF7TqBfr71aeyZDVJ0HpmqB7FBM2qEigL0iPONSCZSO9pE9dZTAxANe5XHG9Uy0YMv8cg==}
 
@@ -14249,6 +14257,8 @@ snapshots:
       - '@types/react'
       - '@types/react-dom'
 
+  cn@0.2.2: {}
+
   code-block-writer@13.0.3: {}
 
   collapse-white-space@2.1.0: {}

pnpm-workspace.yaml

@@ -7,9 +7,12 @@ packages:
   - "!packages/tests/temp/**"
 
 minimumReleaseAge: 2880
+# TODO: remove once cn@0.2.2 (published 2026-09-01) is older than the 48h
+# minimumReleaseAge window.
 # TODO: remove once @tanstack/react-table@9.0.0 (published 2026-08-04) is older
 # than the 48h minimumReleaseAge window.
 minimumReleaseAgeExclude:
+  - "cn"
   - "@tanstack/react-table"
   - "@tanstack/table-core"
   - "@tanstack/react-store"