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

apps/v4/app/(app)/(create)/lib/merge-theme.ts

@@ -0,0 +1,32 @@
+import { registryItemSchema, type RegistryItem } from "shadcn/schema"
+
+import { BASE_COLORS, THEMES } from "@/registry/config"
+
+export function buildTheme(baseColorName: string, themeName: string) {
+  const baseColor = BASE_COLORS.find((c) => c.name === baseColorName)
+  const theme = THEMES.find((t) => t.name === themeName)
+
+  if (!baseColor || !theme) {
+    throw new Error(
+      `Base color "${baseColorName}" or theme "${themeName}" not found`
+    )
+  }
+
+  const mergedTheme: RegistryItem = {
+    name: `${baseColor.name}-${theme.name}`,
+    title: `${baseColor.title} ${theme.title}`,
+    type: "registry:theme",
+    cssVars: {
+      light: {
+        ...baseColor.cssVars?.light,
+        ...theme.cssVars?.light,
+      },
+      dark: {
+        ...baseColor.cssVars?.dark,
+        ...theme.cssVars?.dark,
+      },
+    },
+  }
+
+  return registryItemSchema.parse(mergedTheme)
+}