snapshot of https://github.com/shadcn-ui/ui.git (main, 2026-09-15; blobs > 131072B omitted)

apps/v4/app/(app)/(create)/hooks/use-locks.tsx

@@ -0,0 +1,59 @@
+"use client"
+
+import * as React from "react"
+
+export type LockableParam =
+  | "style"
+  | "baseColor"
+  | "theme"
+  | "chartColor"
+  | "iconLibrary"
+  | "font"
+  | "fontHeading"
+  | "menuAccent"
+  | "menuColor"
+  | "radius"
+
+type LocksContextValue = {
+  locks: Set<LockableParam>
+  isLocked: (param: LockableParam) => boolean
+  toggleLock: (param: LockableParam) => void
+}
+
+const LocksContext = React.createContext<LocksContextValue | null>(null)
+
+export function LocksProvider({ children }: { children: React.ReactNode }) {
+  const [locks, setLocks] = React.useState<Set<LockableParam>>(new Set())
+
+  const isLocked = React.useCallback(
+    (param: LockableParam) => locks.has(param),
+    [locks]
+  )
+
+  const toggleLock = React.useCallback((param: LockableParam) => {
+    setLocks((prev) => {
+      const next = new Set(prev)
+      if (next.has(param)) {
+        next.delete(param)
+      } else {
+        next.add(param)
+      }
+      return next
+    })
+  }, [])
+
+  const value = React.useMemo(
+    () => ({ locks, isLocked, toggleLock }),
+    [locks, isLocked, toggleLock]
+  )
+
+  return <LocksContext value={value}>{children}</LocksContext>
+}
+
+export function useLocks() {
+  const context = React.useContext(LocksContext)
+  if (!context) {
+    throw new Error("useLocks must be used within LocksProvider")
+  }
+  return context
+}