CSV to JSON in ES6

csvtojson.ts

export const csvToJson = (csv: string) => {
  const brands = csv.split('\n') || 'error';
  const titles = brands.shift().split(','); //takes first row

  const json = brands
    .map((b: any) => {
      const brand = b.split(',');
      return brand
        .map(
          (x: any, i: any) => {
            return { [titles[i]]: x };
          }
        )
        .reduce(
          (acc: any, value: any) => {
            return Object.assign(acc, value);
          },
          {}
        );
    });

  console.log(json);
  return json;

};