read csv from a file and convert it to json in typescript

index.ts
import * as csvParser from 'csv-parser';
import * as fs from 'fs';

// function to read CSV file and convert it to JSON
function csvToJson(filePath: string): Promise<any[]> {
  return new Promise((resolve, reject) => {
    const jsonArray: any[] = [];
    fs.createReadStream(filePath)
      .pipe(csvParser())
      .on('data', (data) => jsonArray.push(data))
      .on('end', () => resolve(jsonArray))
      .on('error', (error) => reject(error));
  });
}

// example usage
const filePath = 'path/to/csv/file.csv';
csvToJson(filePath)
  .then((data) => console.log(data))
  .catch((error) => console.error(error));
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