Convert DATA Tanita BC-601 to JSON (NodeJs)

import-BC601.js

/**
 * Tanita BC-601 (Source of Interpretation: https://github.com/cab938/tanita)
 * 
 * Usage example: import-BC601.js ~/inputFile.csv ~/outputFile.json
 */
const fs = require("fs");

const [inputFile, outputFile] = process.argv.slice(2);

const dictionary = {
  Wk: "Body mass",
  MI: "Body mass index (BMI)",
  MO: "Model",
  DT: "Measurement Date",
  Ti: "Measurement Time",
  GE: "Gender",
  AG: "Age",
  Hm: "Height",
  AL: "Activity Level",
  FW: "Global fat %",
  Fr: "Arm fat (right) %",
  Fl: "Arm fat (left) %",
  FR: "Leg fat (right) %",
  FL: "Leg fat (left) %",
  FT: "Torso fat %",
  mW: "Global muscle %",
  mr: "Arm muscle (right) %",
  ml: "Arm muscle (left) %",
  mR: "Leg muscle (right)%",
  mL: "Leg muscle (left) %",
  mT: "Torso muscle %",
  bw: "Estimated bone mass",
  IF: "Visceral fat rating",
  rA: "Estimated metabolic age",
  rD: "Daily calorie intake (DCI)",
  ww: "Global body water %",
};

const rowsData = [];

const allFileContents = fs.readFileSync(inputFile, "utf-8");
allFileContents.split(/\r?\n/).forEach((line) => {
  const arrData = line.split(",");
  const rowData = {};
  arrData.forEach((elem, index) => {
    const isEvenNumber = (index + 1) % 2 == 0;
    if (!isEvenNumber) {
      const field = elem;
      const value = arrData[index + 1];

      const isDictionaryField = Object.prototype.hasOwnProperty.call(
        dictionary,
        field
      );

      if (isDictionaryField) {
        rowData[dictionary[field]] = value.replace(/"/g, "");
      }
    }
  });
  rowsData.push(rowData);
});

fs.writeFileSync(outputFile, JSON.stringify(rowsData, null, 2), "utf-8");

console.log(`Output file: ${outputFile}`);
const used = process.memoryUsage().heapUsed / 1024 / 1024;
console.log(`The script uses approximately ${Math.round(used * 100) / 100} MB`);