import { Component, OnInit } from '@angular/core';
import { Excel } from 'exceljs';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent implements OnInit {
  ngOnInit(): void {
    this.runExcel();
  }
  title = 'exceljs0test';

  async runExcel() {
    // read from a file
    let workbook = new Excel.Workbook();
    let ws = await workbook.csv.readFile('ff');
  }
}