Parsing file method

config.js

// mirage/config.js - AAdding a method for parsing the file

function parseCSV(file) {
  // create an array with the file rows as elements
  let dataRows = file.split(/\\r?\\n|\\r/);

  // remove the first row which represents the table header
  dataRows.shift();

  let totalAmount = 0;

  let transfers = dataRows.map((row, index) => {
    let data = row.split(',');
    let amount = Number(data[3]);

    totalAmount += amount;

    return {
      amount,
      bic: data[2],
      iban: data[1],
      name: data[0],
    };
  });

  return { totalAmount, transfers };
}