Method addAnnotationRef

src/api/pdf-page.ts:2334–2344

* Add an annotation reference to the page's /Annots array. * Internal method - also invalidates the annotation cache.

(annotRef: PdfRef)

   * Internal method - also invalidates the annotation cache.
   */
  private addAnnotationRef(annotRef: PdfRef): void {
    let annots = this.dict.getArray("Annots");

    if (!annots) {
      annots = new PdfArray([]);
      this.dict.set("Annots", annots);
    }

    annots.push(annotRef);
    this.invalidateAnnotationCache();
  }

  /**
   * Invalidate the annotation cache.