chore: init svelte rewrite scaffold

src/lib/sourceUtils.ts

@@ -1,46 +0,0 @@
-import type { Source } from "./types";
-
-/**
- * Deduplicates sources by name, preferring the given language.
- * This prevents fetching MangaDex EN + MangaDex ES + MangaDex FR separately.
- */
-export function dedupeSources(sources: Source[], preferredLang: string): Source[] {
-  const byName = new Map<string, Source[]>();
-  for (const src of sources) {
-    if (src.id === "0") continue;
-    if (!byName.has(src.name)) byName.set(src.name, []);
-    byName.get(src.name)!.push(src);
-  }
-  const picked: Source[] = [];
-  for (const group of byName.values()) {
-    const preferred = group.find((s) => s.lang === preferredLang);
-    picked.push(preferred ?? group.sort((a, b) => a.lang.localeCompare(b.lang))[0]);
-  }
-  return picked;
-}
-
-/**
- * Deduplicates manga by title (case-insensitive), keeping the first occurrence.
- * This eliminates the same series appearing from multiple sources in grids.
- */
-export function dedupeMangaByTitle<T extends { id: number; title: string }>(items: T[]): T[] {
-  const seen = new Set<string>();
-  const out: T[] = [];
-  for (const m of items) {
-    const key = m.title.toLowerCase().trim();
-    if (!seen.has(key)) { seen.add(key); out.push(m); }
-  }
-  return out;
-}
-
-/**
- * Deduplicates manga by id only (lossless — use when sources are already deduped).
- */
-export function dedupeMangaById<T extends { id: number }>(items: T[]): T[] {
-  const seen = new Set<number>();
-  const out: T[] = [];
-  for (const m of items) {
-    if (!seen.has(m.id)) { seen.add(m.id); out.push(m); }
-  }
-  return out;
-}