refactor: consolidate shared application helpers

lib/admin-form-save-bridge.ts

@@ -1,16 +0,0 @@
-"use client";
-
-type FlushSave = () => Promise<void>;
-
-const pendingSaves = new Set<FlushSave>();
-
-export function registerPendingSave(flush: FlushSave) {
-  pendingSaves.add(flush);
-  return () => {
-    pendingSaves.delete(flush);
-  };
-}
-
-export async function flushPendingSaves() {
-  await Promise.all([...pendingSaves].map((flush) => flush()));
-}

lib/cdn-images.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test";
-import { cdnImageResponse } from "@/lib/cdn-response";
 import {
+  cdnImageResponse,
   MAX_FORM_ANSWER_IMAGE_BYTES,
   validateImageUploadFile,
 } from "@/lib/cdn-images";

lib/cdn-images.ts

@@ -27,3 +27,20 @@ export function validateImageUploadFile(file: Pick<File, "name" | "type" | "size
 export function cdnUrl(id: string | null | undefined) {
   return id ? `/cdn/${id}` : "";
 }
+
+export type CdnResponseRecord = {
+  data: Buffer;
+  type: string;
+  size: number;
+};
+
+export function cdnImageResponse(record: CdnResponseRecord) {
+  return new Response(new Uint8Array(record.data), {
+    headers: {
+      "Content-Type": record.type,
+      "Content-Length": String(record.size),
+      "Cache-Control": "public, max-age=31536000, immutable",
+      "X-Content-Type-Options": "nosniff",
+    },
+  });
+}

lib/cdn-response.ts

@@ -1,16 +0,0 @@
-export type CdnResponseRecord = {
-  data: Buffer;
-  type: string;
-  size: number;
-};
-
-export function cdnImageResponse(record: CdnResponseRecord) {
-  return new Response(new Uint8Array(record.data), {
-    headers: {
-      "Content-Type": record.type,
-      "Content-Length": String(record.size),
-      "Cache-Control": "public, max-age=31536000, immutable",
-      "X-Content-Type-Options": "nosniff",
-    },
-  });
-}

lib/errors.ts

@@ -1,3 +0,0 @@
-export function getErrorMessage(error: unknown, fallback: string) {
-  return error instanceof Error ? error.message : fallback;
-}

lib/utils.ts

@@ -5,6 +5,10 @@ export function cn(...inputs: ClassValue[]) {
   return twMerge(clsx(inputs))
 }
 
+export function getErrorMessage(error: unknown, fallback: string) {
+  return error instanceof Error ? error.message : fallback;
+}
+
 export const stripHtml = (html: string) => {
   return (html || "").replace(/<[^>]*>?/gm, '').trim();
 };
@@ -17,4 +21,4 @@ export const copyToClipboard = async (text: string): Promise<boolean> => {
         console.error("Copy error:", error);
         return false;
   }
-};
+};