<!DOCTYPE html> <html> <head><title>SheetJS + Dojo Write Demo</title></head> <body> <h1>SheetJS + Dojo Write Demo</h1> (this HTML page is not minified -- feel free to view source!)<br/><br/> <a href="https://docs.sheetjs.com">SheetJS CE Documentation</a> <script> dojoConfig = { packages: [ { name: "xlsx", location: "https://cdn.sheetjs.com/xlsx-latest/package/dist", main: "xlsx.full.min" } ] }; </script> <script src="//ajax.googleapis.com/ajax/libs/dojo/1.10.4/dojo/dojo.js" data-dojo-config="isDebug:1, async:1"></script> <script> require(["dojo/request/xhr", "xlsx"], function(xhr, _XLSX) { xhr("https://sheetjs.com/data/executive.json", { headers: { "X-Requested-With": null }, handleAs: "json" }).then(function(raw_data) { /* filter for the Presidents */ var prez = raw_data.filter(function(row) { return row.terms.some(function(term) { return term.type === "prez"; }); }); /* flatten objects */ var rows = prez.map(function(row) { return ({ name: row.name.first + " " + row.name.last, birthday: row.bio.birthday }); }); /* generate worksheet and workbook */ var worksheet = XLSX.utils.json_to_sheet(rows); var workbook = XLSX.utils.book_new(); XLSX.utils.book_append_sheet(workbook, worksheet, "Dates"); /* fix headers */ XLSX.utils.sheet_add_aoa(worksheet, [["Name", "Birthday"]], { origin: "A1" }); /* calculate column width */ var max_width = rows.reduce(function(w, r) { return Math.max(w, r.name.length); }, 10); worksheet["!cols"] = [ { wch: max_width } ]; /* create an XLSX file and try to save to Presidents.xlsx */ XLSX.writeFile(workbook, "Presidents.xlsx"); }); }); </script> </body> </html>