forked from sheetjs/docs.sheetjs.com
38 lines
1.3 KiB
JavaScript
38 lines
1.3 KiB
JavaScript
/* sheetjs (C) SheetJS -- https://sheetjs.com */
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const { Blob } = require('buffer');
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const { app } = require('@azure/functions');
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const XLSX = require('xlsx');
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app.http('SheetJSAzure', {
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methods: ['GET', 'POST'],
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authLevel: 'anonymous',
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handler: async (req, context) => {
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if (req.method == "POST") {
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/* grab the file at form key `upload` */
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const formData = await req.formData();
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const f = formData.get("upload");
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if (!f || !(f instanceof Blob)) {
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return { status: 400, body: "Must submit a file for processing!" };
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} else {
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/* parse file */
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const ab = await f.arrayBuffer();
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const wb = XLSX.read(ab);
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/* generate CSV from first sheet */
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const csv = XLSX.utils.sheet_to_csv(wb.Sheets[wb.SheetNames[0]]);
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return { status: 200, body: csv };
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}
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} else if (req.method == "GET") {
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var ws = XLSX.utils.aoa_to_sheet(["SheetJS".split(""), [5, 4, 3, 3, 7, 9, 5]]);
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var wb = XLSX.utils.book_new(); XLSX.utils.book_append_sheet(wb, ws, "Data");
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var buf = XLSX.write(wb, { type: "buffer", bookType: "xlsx" });
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return {
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status: 200,
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headers: { "Content-Disposition": `attachment; filename="SheetJSAzure.xlsx";` },
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body: buf
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};
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} else return { status: 500, body: `Unsupported method ${req.method}` };
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}
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}); |