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Angular 11 export excel with customize header

public exportAsExcelFile(json: any[], excelFileName: string, headersArray: any[]): void {
    //Excel Title, Header, Data
    const header = headersArray;
    const data = json;
    //Create workbook and worksheet
    let workbook = new Workbook();
    let worksheet = workbook.addWorksheet(excelFileName);
    //Add Header Row
    let headerRow = worksheet.addRow(header);
    // Cell Style : Fill and Border
    headerRow.eachCell((cell, number) => {
      cell.fill = {
        type: 'pattern',
        pattern: 'solid',
        fgColor: { argb: 'FFFFFF00' },
        bgColor: { argb: 'FF0000FF' }
      }
      cell.border = { top: { style: 'thin' }, left: { style: 'thin' }, bottom: { style: 'thin' }, right: { style: 'thin' } }
    })
    // Add Data and Conditional Formatting
    data.forEach((element) => {
      let eachRow = [];
      headersArray.forEach((headers) => {
        eachRow.push(element[headers])
      })
      if (element.isDeleted === "Y") {
        let deletedRow = worksheet.addRow(eachRow);
        deletedRow.eachCell((cell, number) => {
          cell.font = { name: 'Calibri', family: 4, size: 11, bold: false, strike: true };
        })
      } else {
        worksheet.addRow(eachRow);
      }
    })
    worksheet.getColumn(3).width = 15;
    worksheet.getColumn(4).width = 20;
    worksheet.getColumn(5).width = 30;
    worksheet.getColumn(6).width = 30;
    worksheet.getColumn(7).width = 10;
    worksheet.addRow([]);
    //Generate Excel File with given name
    workbook.xlsx.writeBuffer().then((data) => {
      let blob = new Blob([data], { type: EXCEL_TYPE });
      fs.saveAs(blob, excelFileName + '_export_' + new Date().getTime() + EXCEL_EXTENSION);
    })
  }
 Run code snippet

Source: stackoverflow.com

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