Converts a csv file to json

csv_to_json.js

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

const csvToJson = csv => {
  const [keys, ...rows] = csv
    .split("\n")
    .map(row => row.split(","))
    .slice(0, -1);
  return rows.map(row =>
    row.reduce(
      (obj, data, i) => ({
        ...obj,
        [keys[i].trim()]: data
      }),
      {}
    )
  );
};

/** 
* Usage: node csv_to_json.js path/to/csv.csv
*/
const args = process.argv.slice(2);
const [file] = args;

const filepath = path.resolve(process.cwd(), file)
const data = fs.readFileSync(filepath, 'utf8');
const jsonFileName = file.replace('.csv', '.json');
const jsonData = csvToJson(data);

fs.writeFileSync(jsonFileName, JSON.stringify(jsonData));