Export To CSV on Web

export_to_csv_on_web.dart

import 'dart:convert';
import 'dart:html';

import 'package:csv/csv.dart';

String parseDataToCsvString(List<List<dynamic>> data) {
  final String csvString =
      ListToCsvConverter().convert(data, fieldDelimiter: ",");
  return csvString;
}

Future<void> exportDataToCsv(
    String fileName, List<List<dynamic>> dataList) async {
  final String csvSting = parseDataToCsvString(dataList);

  AnchorElement()
    ..href =
        '${Uri.dataFromString(csvSting, mimeType: 'text/csv', encoding: utf8)}'
    ..download = fileName
    ..style.display = 'none'
    ..click();
}