Method getPopup

src/annotations/markup.ts:122–146

* Get the associated popup annotation, if any.

()

   * Get the associated popup annotation, if any.
   */
  getPopup(): PDFPopupAnnotation | null {
    if (this._popup !== undefined) {
      return this._popup;
    }

    const popupRef = this.popupRef;

    if (!popupRef) {
      this._popup = null;

      return null;
    }

    const popupDict = this.registry.resolve(popupRef);

    if (popupDict instanceof PdfDict) {
      this._popup = new PDFPopupAnnotation(popupDict, popupRef, this.registry);

      return this._popup;
    }

    this._popup = null;

    return null;
  }

  /**
   * Create a popup annotation associated with this annotation.