// Method to export help content to PDF
  exportToPDF(): void {
    const doc = new jsPDF('p', 'mm', 'a4');
    const margin = 10;
    const pageWidth = 210;
    const pageHeight = 295;
  
    const addContentToPDF = (content: string) => {
      const tempContainer = document.createElement('div');
      tempContainer.style.position = 'absolute';
      tempContainer.style.left = '-9999px';
      tempContainer.style.fontSize = '14px'; // Set default font size
      tempContainer.innerHTML = content;
      document.body.appendChild(tempContainer);
  
      html2canvas(tempContainer, {
        scale: 2, // Increase scale for better quality
        useCORS: true,
        logging: true
      }).then(canvas => {
        const imgData = canvas.toDataURL('image/png');
        const imgWidth = pageWidth - 2 * margin;
        const imgHeight = canvas.height * imgWidth / canvas.width;
        let heightLeft = imgHeight;
        let position = 0;
  
        doc.addImage(imgData, 'PNG', margin, position, imgWidth, imgHeight);
        heightLeft -= pageHeight;
  
        while (heightLeft > 0) {
          doc.addPage();
          position = heightLeft - imgHeight;
          doc.addImage(imgData, 'PNG', margin, position, imgWidth, imgHeight);
          heightLeft -= pageHeight;
        }
  
        document.body.removeChild(tempContainer);
        doc.save('help-guide.pdf');
      }).catch(err => {
        console.error('Error capturing content:', err);
        document.body.removeChild(tempContainer);
      });
    };
  
    const chunkSize = 5;
    for (let i = 0; i < this.filteredContent.length; i += chunkSize) {
      const chunk = this.filteredContent.slice(i, i + chunkSize);
      const chunkContent = chunk.map(item => `
        <h5 style="font-size: 16px;">${item.title}</h5>
        <div style="font-size: 14px;">${item.content}</div>
      `).join('');
  
      addContentToPDF(chunkContent);
    }
  }