import { json2xlsx } from "json2xlsx-ws";
import * xslx from "xlsx";

// Headers are generated from the first object in the data array
const data = [
  {
    number: "number",
    string: "string",
    date: "date",
  },
  {
    number: 1,
    string: "string1",
    date: Date(),
  },
  {
    number: 2,
    string: "string2",
    date: Date(),
  },
];

xlsx.writeFile(
  {
    SheetNames: ["Sheet1", "Sheet2"],
    Sheets: {
      Sheet1: json2xlsx(data),
      Sheet2: json2xlsx(data),
    },
  },
  "workbook.xlsx"
);