Method getModificationDate

src/api/pdf.ts:1327–1347

* Get the document modification date. * * @returns The modification date, or undefined if not set or invalid

()

   * @returns The modification date, or undefined if not set or invalid
   */
  getModificationDate(): Date | 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;
    }

    const dateStr = info.getString("ModDate")?.asString();

    if (!dateStr) {
      return undefined;
    }

    return parsePdfDate(dateStr);
  }

  /**
   * Set the document modification date.