completely refactored utilities for direct rendering, killed iframes

components/buying-guide/dx.ts

@@ -0,0 +1,12 @@
+// components/utilities/buying-guide/dx.ts
+export type Q = Record<string, any>;
+
+export async function dxGet<T>(path: string, query?: Q): Promise<T> {
+    const qs = query ? "?" + new URLSearchParams(Object.entries(query).flatMap(([k, v]) =>
+    Array.isArray(v) ? v.map(x => [k, String(x)]) : [[k, String(v)]]
+    )).toString() : "";
+    const res = await fetch(`/api/dx/${path}${qs}`, { credentials: "include" });
+    if (!res.ok) throw new Error(`${res.status} ${await res.text()}`);
+    const json = await res.json();
+    return json?.data ?? json;
+}