fix: debounce note list search

src/utils/noteListSearchEvents.ts

@@ -0,0 +1,34 @@
+export const NOTE_LIST_SEARCH_AVAILABILITY_EVENT = 'laputa:note-list-search-availability'
+export const NOTE_LIST_SEARCH_TOGGLE_EVENT = 'laputa:toggle-note-list-search'
+
+interface NoteListSearchAvailabilityDetail {
+  enabled: boolean
+}
+
+function isAvailabilityDetail(detail: unknown): detail is NoteListSearchAvailabilityDetail {
+  return typeof detail === 'object'
+    && detail !== null
+    && 'enabled' in detail
+    && typeof (detail as { enabled?: unknown }).enabled === 'boolean'
+}
+
+export function dispatchNoteListSearchAvailability(enabled: boolean) {
+  window.dispatchEvent(new CustomEvent<NoteListSearchAvailabilityDetail>(
+    NOTE_LIST_SEARCH_AVAILABILITY_EVENT,
+    { detail: { enabled } },
+  ))
+}
+
+export function readNoteListSearchAvailability(event: Event): boolean | null {
+  if (!(event instanceof CustomEvent) || !isAvailabilityDetail(event.detail)) return null
+  return event.detail.enabled
+}
+
+export function dispatchNoteListSearchToggle() {
+  window.dispatchEvent(new Event(NOTE_LIST_SEARCH_TOGGLE_EVENT))
+}
+
+export function addNoteListSearchToggleListener(listener: () => void): () => void {
+  window.addEventListener(NOTE_LIST_SEARCH_TOGGLE_EVENT, listener)
+  return () => window.removeEventListener(NOTE_LIST_SEARCH_TOGGLE_EVENT, listener)
+}