[Q] How can i make dropdown value dynamic with help of another cell

[piyush123-jain]

const ExcelJS = require('exceljs');

const workbook = new ExcelJS.Workbook(); const worksheet = workbook.addWorksheet('Sheet1');

const categories = ['Fruit', 'Vegetables']; const fruits = ['Apple', 'Banana', 'Orange']; const vegetables = ['Carrot', 'Broccoli', 'Lettuce'];

// Set up data validation for the first dropdown const categoryCell = worksheet.getCell('A1'); categoryCell.dataValidation = { type: 'list', formula1: categories.join(','), allowBlank: true, showErrorMessage: true, errorTitle: 'Invalid category', error: 'Please select a valid category from the list.' };

// For the second dropdown, set up data validation with dynamic range worksheet.getCell('B1').dataValidation = { type: 'list', allowBlank: true, showErrorMessage: true, errorTitle: 'Invalid selection', error: 'Please select a valid item from the list.', formula1: =INDIRECT(IF($A$1="Fruit", "C2:C4", "D2:D4")) };

// Populate options for fruits and vegetables worksheet.getCell('C1').value = "Fruits"; fruits.forEach((fruit, index) => { worksheet.getCell(C${index + 2}).value = fruit; });

worksheet.getCell('D1').value = "Vegetables"; vegetables.forEach((vegetable, index) => { worksheet.getCell(D${index + 2}).value = vegetable; });

workbook.xlsx.writeFile('conditional_dropdown.xlsx') .then(() => { console.log('Workbook created successfully!'); }) .catch((error) => { console.error('Error:', error); });

please help me thanks