Adding data to a worksheet is very straightforward.
import { ExcelBuilder } from 'excel-builder-vanilla';
const originalData = [
['Artist', 'Album', 'Price'],
['Buckethead', 'Albino Slug', 8.99],
['Buckethead', 'Electric Tears', 13.99],
['Buckethead', 'Colma', 11.34],
['Crystal Method', 'Vegas', 10.54],
['Crystal Method', 'Tweekend', 10.64],
['Crystal Method', 'Divided By Night', 8.99],
];
const artistWorkbook = createWorkbook();
const albumList = artistWorkbook.createWorksheet({ name: 'Album List' });
albumList.setData(originalData); // <-- Here's the important part
artistWorkbook.addWorksheet(albumList);
const data = createExcelFile(artistWorkbook);
downloader('Artist WB.xlsx', data);