refactor: remove unused code

apps/client/src/views/cuesheet/cuesheet-table/cuesheet-table-elements/rowObserver.ts

@@ -1,51 +0,0 @@
-import { useVisibleRowsStore } from './visibleRowsStore';
-
-let observer: IntersectionObserver | null = null;
-
-function getObserver(): IntersectionObserver {
-  if (!observer) {
-    const options: IntersectionObserverInit = {
-      root: null,
-      rootMargin: '400px 0px', // prevent unmounting rows too early
-      threshold: 0.25,
-    };
-
-    const handleOnIntersect: IntersectionObserverCallback = (entries) => {
-      const visibleRows = useVisibleRowsStore.getState();
-      entries.forEach((entry) => {
-        const targetId = entry.target.id;
-        if (entry.isIntersecting) {
-          visibleRows.addVisibleRow(targetId);
-        } else {
-          visibleRows.removeVisibleRow(targetId);
-        }
-      });
-    };
-
-    observer = new IntersectionObserver(handleOnIntersect, options);
-  }
-
-  return observer;
-}
-
-/**
- * register a row element in the observer
- */
-export function observeRow(element: HTMLElement) {
-  getObserver().observe(element);
-}
-
-/**
- * unregister a row element in the observer
- */
-export function unobserveRow(element: HTMLElement) {
-  getObserver().unobserve(element);
-}
-
-/**
- * cleanup observer, should be called when the table component unmounts
- */
-export function cleanup() {
-  observer?.disconnect();
-  observer = null;
-}

apps/client/src/views/cuesheet/cuesheet-table/cuesheet-table-elements/visibleRowsStore.ts

@@ -1,18 +0,0 @@
-import { create } from 'zustand';
-
-interface VisibleRowsStore {
-  visibleRows: Set<string>;
-  addVisibleRow: (id: string) => void;
-  removeVisibleRow: (id: string) => void;
-}
-
-export const useVisibleRowsStore = create<VisibleRowsStore>((set) => ({
-  visibleRows: new Set(),
-  addVisibleRow: (id) => set((state) => ({ visibleRows: new Set(state.visibleRows).add(id) })),
-  removeVisibleRow: (id) =>
-    set((state) => {
-      const newSet = new Set(state.visibleRows);
-      newSet.delete(id);
-      return { visibleRows: newSet };
-    }),
-}));