forked from sheetjs/sheetjs
52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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import { Template } from 'meteor/templating';
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import { ReactiveVar } from 'meteor/reactive-var';
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import './main.html';
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const XLSX = require('xlsx');
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Template.read.events({
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'change input' (evt, instance) {
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/* "Browser file upload form element" from SheetJS README */
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const file = evt.currentTarget.files[0];
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const reader = new FileReader();
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reader.onload = function(e) {
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const data = e.target.result;
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const name = file.name;
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/* Meteor magic */
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Meteor.call('upload', data, name, function(err, wb) {
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if(err) console.error(err);
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else {
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/* do something here -- this just dumps an array of arrays to console */
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console.log(XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[0]], {header:1}));
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document.getElementById('out').innerHTML = (XLSX.utils.sheet_to_html(wb.Sheets[wb.SheetNames[0]]));
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}
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});
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};
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reader.readAsBinaryString(file);
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},
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});
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Template.write.events({
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'click button' (evt, instance) {
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Meteor.call('download', function(err, wb) {
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if(err) console.error(err);
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else {
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console.log(wb);
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/* "Browser download file" from SheetJS README */
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var wopts = { bookType:'xlsx', bookSST:false, type:'binary' };
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var wbout = XLSX.write(wb, wopts);
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saveAs(new Blob([s2ab(wbout)],{type:"application/octet-stream"}), "meteor.xlsx");
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}
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});
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},
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});
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function s2ab(s) {
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var buf = new ArrayBuffer(s.length);
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var view = new Uint8Array(buf);
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for (var i=0; i!=s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
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return buf;
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}
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