fix: isolate EventCard tests and clean compose refs hook

src/lib/compose-refs.ts

@@ -54,9 +54,12 @@ function composeRefs<T>(...refs: PossibleRef<T>[]): React.RefCallback<T> {
  * A custom hook that composes multiple refs
  * Accepts callback refs and RefObject(s)
  */
-function useComposedRefs<T>(...refs: PossibleRef<T>[]): React.RefCallback<T> {
-	// biome-ignore lint/correctness/useExhaustiveDependencies: we want to memoize by all values
-	return React.useCallback(composeRefs(...refs), refs);
+function useComposedRefs<T>(
+	ref1: PossibleRef<T>,
+	ref2: PossibleRef<T>,
+	ref3?: PossibleRef<T>,
+): React.RefCallback<T> {
+	return React.useMemo(() => composeRefs(ref1, ref2, ref3), [ref1, ref2, ref3]);
 }
 
 export { composeRefs, useComposedRefs };

tests/event-card.test.ts

@@ -1,4 +1,4 @@
-import { describe, expect, test } from "bun:test";
+import { afterEach, beforeEach, describe, expect, test } from "bun:test";
 import { renderToStaticMarkup } from "react-dom/server";
 import { EventCard } from "@/components/event-card";
 import type { CalendarEvent } from "@/lib/types";
@@ -15,6 +15,17 @@ const sampleEvent: CalendarEvent = {
 };
 
 describe("EventCard actions trigger", () => {
+  beforeEach(() => {
+    globalThis.document = {
+      addEventListener: () => {},
+      removeEventListener: () => {},
+    } as unknown as Document;
+  });
+
+  afterEach(() => {
+    delete (globalThis as { document?: Document }).document;
+  });
+
   test("shows the triple-dots trigger without requiring hover and exposes an aria-label for the icon-only button", () => {
     const markup = renderToStaticMarkup(
       EventCard({