Method loadChapterIndex

packages/core/src/state/manager.ts:266–281

(bookId: string)

  }

  async loadChapterIndex(bookId: string): Promise<ReadonlyArray<ChapterMeta>> {
    const indexPath = join(this.bookDir(bookId), "chapters", "index.json");
    try {
      const raw = await readFile(indexPath, "utf-8");
      const parsed = JSON.parse(raw) as unknown;
      if (Array.isArray(parsed) && parsed.length > 0) return parsed as ReadonlyArray<ChapterMeta>;
      if (Array.isArray(parsed)) {
        const rebuilt = await this.rebuildChapterIndexFromFiles(bookId);
        return rebuilt.length > 0 ? rebuilt : parsed as ReadonlyArray<ChapterMeta>;
      }
    } catch {
      const rebuilt = await this.rebuildChapterIndexFromFiles(bookId);
      if (rebuilt.length > 0) return rebuilt;
    }
    return [];
  }

  private async rebuildChapterIndexFromFiles(bookId: string): Promise<ReadonlyArray<ChapterMeta>> {
    return this.rebuildChapterIndexFromFilesAt(this.bookDir(bookId));