Convert string in CSV format to JSON

csvToJSON.js

// Convert string in CSV format to JSON
// Pass in a list of headers if the file doesn't have one
const csvToJSON = (csv, headers = null) => {
  const lines = csv.split("\n");
  const _headers = !headers ? lines[0].split(",") : headers;
  const data = lines.slice(headers ? 1 : 0).map((line) => {
    const values = line.split(",");
    return values.reduce((obj, value, index) => {
      obj[_headers[index]] = value;
      return obj;
    }, {});
  });
  return data;
};