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

apps/v4/app/(app)/(create)/lib/preset-query.ts

@@ -0,0 +1,30 @@
+import { V1_CHART_COLOR_MAP, type PresetConfig } from "shadcn/preset"
+
+import { type ChartColorName, type FontHeadingValue } from "@/registry/config"
+
+type SearchParamsLike = Pick<URLSearchParams, "get" | "has">
+
+export function resolvePresetOverrides(
+  searchParams: SearchParamsLike,
+  decoded: Pick<PresetConfig, "theme" | "chartColor" | "fontHeading">
+) {
+  const hasFontHeadingOverride = searchParams.has("fontHeading")
+  const hasChartColorOverride = searchParams.has("chartColor")
+
+  const fontHeading = hasFontHeadingOverride
+    ? ((searchParams.get("fontHeading") ??
+        decoded.fontHeading) as FontHeadingValue)
+    : decoded.fontHeading
+
+  const chartColor = hasChartColorOverride
+    ? ((searchParams.get("chartColor") ??
+        decoded.chartColor ??
+        V1_CHART_COLOR_MAP[decoded.theme] ??
+        decoded.theme) as ChartColorName)
+    : (decoded.chartColor ?? V1_CHART_COLOR_MAP[decoded.theme] ?? decoded.theme)
+
+  return {
+    fontHeading,
+    chartColor,
+  }
+}