Method getSubject

src/api/pdf.ts:1136–1150

* Get the document subject. * * @returns The subject, or undefined if not set

()

   * @returns The subject, or undefined if not set
   */
  getSubject(): string | undefined {
    const infoRef = this.ctx.info.trailer.getRef("Info");

    if (!infoRef) {
      return undefined;
    }

    const info = this.ctx.registry.getObject(infoRef);

    if (!(info instanceof PdfDict)) {
      return undefined;
    }

    return info.getString("Subject")?.asString();
  }

  /**
   * Set the document subject.