Method getInfoDict

src/api/pdf.ts:1011–1043

* Get or create the Info dictionary. * Creates a new Info dictionary if one doesn't exist.

()

   * Creates a new Info dictionary if one doesn't exist.
   */
  private getInfoDict(): PdfDict {
    if (this._infoDict) {
      return this._infoDict;
    }

    const infoRef = this.ctx.info.trailer.getRef("Info");

    if (infoRef) {
      const existing = this.ctx.registry.getObject(infoRef);

      if (existing instanceof PdfDict) {
        this._infoDict = existing;

        return this._infoDict;
      }
    }

    // Create new Info dictionary
    const infoDict = new PdfDict([
      ["Title", PdfString.fromString("Untitled")],
      ["Author", PdfString.fromString("Unknown")],
      ["Creator", PdfString.fromString("@libpdf/core")],
      ["Producer", PdfString.fromString("@libpdf/core")],
      ["CreationDate", PdfString.fromString(formatPdfDate(new Date()))],
      ["ModDate", PdfString.fromString(formatPdfDate(new Date()))],
    ]);

    const newRef = this.ctx.registry.register(infoDict);
    this.ctx.info.trailer.set("Info", newRef);
    this._infoDict = infoDict;

    return this._infoDict;
  }

  /**
   * Get the document title.