export function toggleSource(ids: number[], id: number): number[] { if (ids.includes(id)) return ids.filter((existing) => existing !== id); return [...ids, id].sort((a, b) => a - b); } export function sameSet(a: number[], b: number[]): boolean { if (a.length !== b.length) return false; const sortedA = [...a].sort((x, y) => x - y); const sortedB = [...b].sort((x, y) => x - y); return sortedA.every((value, i) => value === sortedB[i]); }