ReferenceError:在Angular中使用jsPDF时未定义窗口

import { Component, Inject } from '@angular/core';
import * as jsPDF from 'jspdf';

@Component({
  selector: 'app-pdf-generator',
  template: `
    <button (click)="generatePDF()">Generate PDF</button>
  `
})
export class PdfGeneratorComponent {
  constructor(@Inject(Window) private window: Window) {}

  generatePDF() {
    const doc = new jsPDF();
    doc.text('Hello World!', 10, 10);
    doc.save('sample.pdf');
  }
}