Method merge

src/api/pdf.ts:682–704

* Merge multiple PDF documents into one. * * Creates a new document containing all pages from the source documents * in order. The resulting document is a fresh copy — original documents * are not modified. * * @param sources Array of PDF bytes to merge * @param options Load and

(sources: Uint8Array[], options: MergeOptions = {})

   * ```
   */
  static async merge(sources: Uint8Array[], options: MergeOptions = {}): Promise<PDF> {
    if (sources.length === 0) {
      return PDF.create();
    }

    // Load first document as the base
    const result = await PDF.load(sources[0], options);

    // Copy pages from remaining documents
    for (let i = 1; i < sources.length; i++) {
      const source = await PDF.load(sources[i], options);
      const pageCount = source.getPageCount();

      if (pageCount > 0) {
        const indices = Array.from({ length: pageCount }, (_, j) => j);
        await result.copyPagesFrom(source, indices, {
          includeAnnotations: options.includeAnnotations ?? true,
        });
      }
    }

    return result;
  }

  // ─────────────────────────────────────────────────────────────────────────────
  // Document info