const { jsPDF } = window.jspdf;

const jsPdfDoc = new jsPDF();
jsPdfDoc.text("Hello World!", 20, 20);

const pdfOutBase64 = jsPdfDoc.output("datauristring", {
  // jsPdf puts the filename in the data uri like: 'data:application/pdf;filename=HelloWorld1.pdf;base64,...'
  filename: "HelloWorld1.pdf"
});

// If present, PDFObject will use the filename from the data uri
PDFObject.embed(pdfOutBase64); // filename = "HelloWorld1.pdf"


// Setting the PDFObject option takes precedence
PDFObject.embed(pdfOutBase64, undefined, {
  fallbackFileNameForBase64: "HelloWorld2.pdf" // filename = "HelloWorld2.pdf"
});

// Default if the option isn't set and there's no filename in the data uri
// (Note: can't be tested with jsPDF because it defaults to putting "generated.pdf" in the uri)
PDFObject.embed(anotherPdfOutBase64); // filename = "file.pdf"