test.js

const path = require('node:path');
const fs = require('node:fs');

const getFormatId = function (ext) {
  // Sheets
  if (ext === 'xlsx') { return 257; }
  if (ext === 'xls') { return 258; }
  if (ext === 'ods') { return 259; }
  if (ext === 'csv') { return 260; }
  if (ext === 'pdf') { return 513; }
  // Docs
  if (ext === 'docx') { return 65; }
  if (ext === 'doc') { return 66; }
  if (ext === 'odt') { return 67; }
  if (ext === 'txt') { return 69; }
  if (ext === 'html') { return 70; }

  // Slides
  if (ext === 'pptx') { return 129; }
  if (ext === 'ppt') { return 130; }
  if (ext === 'odp') { return 131; }

  return;
};

const getFromId = function (ext) {
  var id = getFormatId(ext);
  if (!id) { return ''; }
  return '<m_nFormatFrom>'+id+'</m_nFormatFrom>';
};

const getToId = function (ext) {
  var id = getFormatId(ext);
  if (!id) { return ''; }
  return '<m_nFormatTo>'+id+'</m_nFormatTo>';
};

const x2t = require('./x2t');

function copyToWasm(nodePath, wasmPath) {
  const data = fs.readFileSync(nodePath);
  const stream = x2t.FS.open(wasmPath, 'w');
  x2t.FS.write(stream, data, 0, data.length, 0);
  x2t.FS.close(stream);
}

function copyDirToWasm(nodePath, wasmPath) {
  const dir = fs.readdirSync(nodePath);
  for (const f of dir) {
    copyToWasm(path.join(nodePath, f), path.join(wasmPath, f));
  }
}

function copyFromWasm(wasmPath, nodePath) {
  const data = x2t.FS.readFile(wasmPath, {encoding: 'binary'});
  fs.writeFileSync(nodePath, data);
}

function convert(inputPath, outputPath) {
  const inputName = path.basename(inputPath);
  const outputName = path.basename(outputPath);
  const inputFormat = path.extname(inputPath).substring(1);
  const outputFormat = path.extname(outputPath).substring(1);
  const pdfData = "";

  console.log({inputPath, outputPath, inputName, outputName, inputFormat, outputFormat});
  const params =  "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
    + "<TaskQueueDataConvert xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">"
    + "<m_sFontDir>/working/fonts/</m_sFontDir>"
    + "<m_sThemeDir>/working/themes</m_sThemeDir>"
    + "<m_sFileFrom>/working/" + inputName + "</m_sFileFrom>"
    + "<m_sFileTo>/working/" + outputName + "</m_sFileTo>"
    + pdfData
    // + getFromId(inputFormat)
    // + getToId(outputFormat)
    + "<m_bIsNoBase64>false</m_bIsNoBase64>"
    + "<m_nCsvTxtEncoding>46</m_nCsvTxtEncoding>"
    + "<m_nCsvDelimiter>4</m_nCsvDelimiter>"
    // + "<m_sCsvDelimiterChar>,</m_sCsvDelimiterChar>"
    + "</TaskQueueDataConvert>";

  console.log(params);
  x2t.FS.writeFile('/working/params.xml', params);
  copyToWasm(inputPath, '/working/' + inputName);

  console.log(x2t.FS.readdir('/working/'));
  const result = x2t.ccall("main1", "number", ["string"], ["/working/params.xml"]);
  console.log(x2t.FS.readdir('/working/'));
  console.log(result);
  copyFromWasm('/working/' + outputName, outputPath);
}

x2t.onRuntimeInitialized = function() {
  console.log("on init");
  x2t.FS.mkdir('/working');
  x2t.FS.mkdir('/working/media');
  x2t.FS.mkdir('/working/fonts');
  x2t.FS.mkdir('/working/themes');

  copyDirToWasm('/tests/fonts', '/working/fonts');

  // convert('/tests/test1.xlsx', '/results/out1.pdf');
  convert('/tests/test1.xlsx', '/results/out1.bin');
  // convert('/results/out1.bin', '/results/out1.xlsx');
  // convert('/results/out1.bin', '/results/out1.ods');
  // convert('/tests/test1.xlsx', '/results/out1.csv');
  // convert('/results/out1.bin', '/results/out1.csv');
  // convert('/results/out1.bin', '/results/out1.pdf');
};