sheetjs/demos/meteor/client/main.js

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/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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import XLSX from 'xlsx';
import { Meteor } from 'meteor/meteor';
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import { Template } from 'meteor/templating';
import './main.html';
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Template.sheetjs.events({
'change input' (event) {
/* "Browser file upload form element" from SheetJS README */
const file = event.currentTarget.files[0];
const reader = new FileReader();
reader.onload = function(e) {
const data = e.target.result;
const name = file.name;
/* Meteor magic */
Meteor.call('uploadU', new Uint8Array(data), name, function(err, wb) {
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if (err) throw err;
/* load the first worksheet */
const ws = wb.Sheets[wb.SheetNames[0]];
/* generate HTML table and enable export */
const html = XLSX.utils.sheet_to_html(ws, { editable: true });
document.getElementById('out').innerHTML = html;
document.getElementById('dnload').disabled = false;
});
};
reader.readAsArrayBuffer(file);
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},
'click button' () {
const html = document.getElementById('out').innerHTML;
Meteor.call('download', html, function(err, wb) {
if (err) throw err;
/* "Browser download file" from SheetJS README */
XLSX.writeFile(wb, 'sheetjs.xlsx');
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});
},
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});