Method copyDictRef

src/document/object-copier.ts:231–243

* Copy a dict reference, handling circular references.

(key: string, srcDict: PdfDict)

   * Copy a dict reference, handling circular references.
   */
  private copyDictRef(key: string, srcDict: PdfDict): PdfRef {
    // Clone the dict shell first
    const cloned = srcDict.clone();

    // Register immediately so back-references work
    const destRef = this.dest.register(cloned);
    this.refMap.set(key, destRef);

    // Now copy all values (which may reference back to us)
    this.copyDictValues(cloned);

    return destRef;
  }

  /**
   * Copy a stream reference, handling circular references and encryption.