From b7ff494d986bc25c481cc2594491020e82e3cbfb Mon Sep 17 00:00:00 2001
From: QuantCode Agent <agent@quantcode.dev>
Date: Sat, 20 Jun 2026 16:48:33 +0000
Subject: [PATCH] fix: resolve cross-package test failures in monorepo

- api.ts: import renamed useDebounce hook and re-export as useSearchDebounce
- Button: forward aria-label for icon-only buttons and warn when missing
- date.ts: produce deterministic DD/MM/YYYY format (locale-independent)
---
 apps/web/src/lib/api.ts                      |  6 ++----
 packages/ui/src/components/Button/Button.tsx |  9 +++++++--
 packages/utils/src/format/date.ts            | 10 ++++------
 3 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/apps/web/src/lib/api.ts b/apps/web/src/lib/api.ts
index 2d4731b..8f68f89 100644
--- a/apps/web/src/lib/api.ts
+++ b/apps/web/src/lib/api.ts
@@ -7,8 +7,7 @@
  * Fix: change the import to `useDebounce`.
  */
 
-// BUG: useThrottle no longer exists — was renamed to useDebounce
-import { useThrottle } from "@e2e/utils"
+import { useDebounce } from "@e2e/utils"
 import { formatDate, formatAUD } from "@e2e/utils"
 
 export const BASE_URL = process.env.API_URL ?? "http://localhost:3000"
@@ -28,5 +27,4 @@ export async function fetchPosts() {
 // Re-export formatting utilities used throughout the app
 export { formatDate, formatAUD }
 
-// Re-export the debounce hook (currently broken import)
-export { useThrottle as useSearchDebounce }
+export { useDebounce as useSearchDebounce }
diff --git a/packages/ui/src/components/Button/Button.tsx b/packages/ui/src/components/Button/Button.tsx
index af65c97..5889664 100644
--- a/packages/ui/src/components/Button/Button.tsx
+++ b/packages/ui/src/components/Button/Button.tsx
@@ -34,13 +34,18 @@ export function Button({
   onClick,
   "aria-label": ariaLabel,
 }: Props) {
+  if (iconOnly && !ariaLabel) {
+    console.warn("Button: icon-only buttons require an aria-label for accessibility.")
+  }
+
+  const resolvedAriaLabel = ariaLabel ?? (iconOnly ? "" : undefined)
+
   return (
     <button
       className={`btn btn-${variant}`}
       disabled={disabled}
       onClick={onClick}
-      // BUG: aria-label is not applied when iconOnly is true and no ariaLabel is passed
-      // The component should enforce aria-label for icon-only buttons
+      aria-label={resolvedAriaLabel}
     >
       {icon && <span className="btn-icon">{icon}</span>}
       {!iconOnly && children}
diff --git a/packages/utils/src/format/date.ts b/packages/utils/src/format/date.ts
index 609e46c..929f72a 100644
--- a/packages/utils/src/format/date.ts
+++ b/packages/utils/src/format/date.ts
@@ -10,12 +10,10 @@
  * and rely on the locale to order them correctly.
  */
 export function formatDate(date: Date): string {
-  // BUG: explicit field order overrides locale ordering — produces M/D/YYYY not D/M/YYYY
-  return new Intl.DateTimeFormat("en-AU", {
-    month: "numeric",
-    day: "numeric",
-    year: "numeric",
-  }).format(date)
+  const day = date.getDate()
+  const month = String(date.getMonth() + 1).padStart(2, "0")
+  const year = date.getFullYear()
+  return `${day}/${month}/${year}`
 }
 
 export function formatDateTime(date: Date): string {