51 lines
1.5 KiB
HTML
51 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head></head>
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<body>
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<h1>SheetJS Presidents Demo</h1>
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<button id="xport">Click here to export</button>
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<script src="http://requirejs.org/docs/release/2.3.3/comments/require.js"></script>
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<script>
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/* Wire up RequireJS */
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require.config({
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baseUrl: ".",
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name: "app",
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paths: {
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xlsx: "https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min"
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}
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});
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require(["xlsx"], function(XLSX) {
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document.getElementById("xport").addEventListener("click", async() => {
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/* fetch JSON data and parse */
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const url = "https://sheetjs.com/data/executive.json";
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const raw_data = await (await fetch(url)).json();
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/* filter for the Presidents */
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const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
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/* flatten objects */
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const rows = prez.map(row => ({
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name: row.name.first + " " + row.name.last,
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birthday: row.bio.birthday
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}));
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/* generate worksheet and workbook */
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const worksheet = XLSX.utils.json_to_sheet(rows);
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const workbook = XLSX.utils.book_new();
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XLSX.utils.book_append_sheet(workbook, worksheet, "Dates");
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/* fix headers */
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XLSX.utils.sheet_add_aoa(worksheet, [["Name", "Birthday"]], { origin: "A1" });
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/* calculate column width */
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const max_width = rows.reduce((w, r) => Math.max(w, r.name.length), 10);
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worksheet["!cols"] = [ { wch: max_width } ];
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/* create an XLSX file and try to save to Presidents.xlsx */
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XLSX.writeFileXLSX(workbook, "Presidents.xlsx");
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});
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});
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</script>
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</body>
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</html>
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