where is the "merged.pdf" saved ?

[flecke-anaptis]

I try to merged some PDFs which i get as Base64 String first. I convert them with the "atob()"-Function and try then to merge them. But i dont get any Response after the save of the "merged.pdf". Where is this saved PDF and how can i download it ? Can someone help me ?

const PDFMerger = require("pdf-merger-js");

  var merger = new PDFMerger();

  JsonPDFs.forEach((element) => {
    atob(element);
  });

  (async () => {
    JsonPDFs.forEach((element) => {
      merger.add(element);
      await merger.save("merged.pdf");
    });
  })();

("JsonPDFS" is a Json array with all PDFs to merge as Base64 Strings)

[mojoaxel]

@flecke-anaptis I would recommend something like the following code:

const PDFMerger = require("pdf-merger-js");

(async () => {
  var merger = new PDFMerger();

  JsonPDFs
    .map(data => atob(data))
    .forEach(data => {
      merger.add(element);
    });

  await merger.save("./merged.pdf");
})();

[flecke-anaptis]

@mojoaxel
i have a new Problem. My Programm is throwing an error at the point i want to add the PDFs to the merger. I get the following errormessage:

i dont really understand what the Problem is. I import the fs module and set a variable with it. Here's my code (The import is at the beginning of the .js-File) :

function MergeSelectedPDF(JsonPDFs) {
  const PDFMerger = require("pdf-merger-js");
  var fs = require("fs");

  const merger = new PDFMerger();

  (async () => {
    var merger = new PDFMerger();

    JsonPDFs.map((data) => atob(data)).forEach((data) => {
      merger.add(data);
    });

    await merger.save("./merged.pdf");
  })();
}

[mojoaxel]

@flecke-anaptis

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