Chore: Restructure Repository for SvelteKit

2026-06-13 09:19:56 -05:00 · 2026-05-22 04:04:59 -05:00
parent bf071dcfc7
commit 8cef74bb98
266 changed files with 5093 additions and 396 deletions
@@ -0,0 +1,84 @@
+import { store, openReader, closeReader } from "@store/state.svelte";
+import { readerState }                     from "../store/readerState.svelte";
+import type { Chapter }                    from "@types";
+
+interface Adjacent {
+  prev: Chapter | null;
+  next: Chapter | null;
+}
+
+export function advanceGroup(forward: boolean, adjacent: Adjacent, startAtLastPage: () => void) {
+  if (!readerState.pageGroups.length) return;
+  const gi = readerState.pageGroups.findIndex(g => g.includes(store.pageNumber));
+  if (forward) {
+    if (gi < readerState.pageGroups.length - 1) store.pageNumber = readerState.pageGroups[gi + 1][0];
+    else if (adjacent.next) { store.pageNumber = 1; openReader(adjacent.next, store.activeChapterList); }
+    else closeReader();
+  } else {
+    if (gi > 0) store.pageNumber = readerState.pageGroups[gi - 1][0];
+    else if (adjacent.prev) { startAtLastPage(); openReader(adjacent.prev, store.activeChapterList); }
+  }
+}
+
+export async function animateFade(fn: () => void) {
+  readerState.fadingOut = true;
+  await new Promise(r => setTimeout(r, 100));
+  fn();
+  readerState.fadingOut = false;
+}
+
+export function goForward(
+  style: string,
+  adjacent: Adjacent,
+  lastPage: number,
+  onMaybeMarkRead: () => void,
+  startAtLastPage: () => void,
+) {
+  if (readerState.loading) return;
+  if (style === "longstrip") {
+    if (adjacent.next) { onMaybeMarkRead(); openReader(adjacent.next, store.activeChapterList); }
+    return;
+  }
+  if (style === "double" && readerState.pageGroups.length) { advanceGroup(true, adjacent, startAtLastPage); return; }
+  if (!store.pageUrls.length) return;
+  if (store.pageNumber < lastPage) {
+    if (style === "fade") animateFade(() => { store.pageNumber++; });
+    else store.pageNumber++;
+  } else if (adjacent.next) {
+    onMaybeMarkRead();
+    store.pageNumber = 1;
+    openReader(adjacent.next, store.activeChapterList);
+  } else closeReader();
+}
+
+export function goBack(
+  style: string,
+  adjacent: Adjacent,
+  startAtLastPage: () => void,
+) {
+  if (readerState.loading) return;
+  if (style === "longstrip") {
+    if (adjacent.prev) { startAtLastPage(); openReader(adjacent.prev, store.activeChapterList); }
+    return;
+  }
+  if (style === "double" && readerState.pageGroups.length) { advanceGroup(false, adjacent, startAtLastPage); return; }
+  if (!store.pageUrls.length) return;
+  if (store.pageNumber > 1) {
+    if (style === "fade") animateFade(() => { store.pageNumber--; });
+    else store.pageNumber--;
+  } else if (adjacent.prev) { startAtLastPage(); openReader(adjacent.prev, store.activeChapterList); }
+}
+
+export function jumpToPage(page: number, style: string, lastPage: number, containerEl: HTMLElement | null) {
+  if (style === "longstrip") {
+    const chId = readerState.visibleChapterId ?? store.activeChapter?.id;
+    containerEl?.querySelector<HTMLImageElement>(`img[data-local-page="${page}"][data-chapter="${chId}"]`)?.scrollIntoView({ block: "start" });
+    return;
+  }
+  if (style === "double" && readerState.pageGroups.length) {
+    const group = readerState.pageGroups[page - 1];
+    if (group) store.pageNumber = group[0];
+  } else {
+    store.pageNumber = Math.max(1, Math.min(lastPage, page));
+  }
+}