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Error while using xslx readFile method #163

@ghost

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var spans = node.attributes.spans.split(':').map(function(span) { return parseInt(span); });
                                       ^

TypeError: Cannot read property 'split' of undefined
    at utils.inherits.parseOpen (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/lib/xlsx/xform/sheet/row-xform.js:97:40)
    at utils.inherits.parseOpen (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/lib/xlsx/xform/list-xform.js:71:31)
    at utils.inherits.parseOpen (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/lib/xlsx/xform/sheet/worksheet-xform.js:109:19)
    at SAXStream.<anonymous> (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/lib/xlsx/xform/base-xform.js:65:14)
    at emitOne (events.js:77:13)
    at SAXStream.emit (events.js:169:7)
    at Object.me._parser.(anonymous function) [as onopentag] (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/node_modules/sax/lib/sax.js:245:15)
    at emit (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/node_modules/sax/lib/sax.js:615:33)
    at emitNode (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/node_modules/sax/lib/sax.js:620:3)
    at openTag (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/node_modules/sax/lib/sax.js:801:3)
    at Object.write (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/node_modules/sax/lib/sax.js:1181:11)
    at SAXStream.write (/home/carmelo12341/dev/nodejs/excel/node_modules/exceljs/node_modules/sax/lib/sax.js:227:16)
    at Entry.ondata (_stream_readable.js:542:20)
    at emitOne (events.js:77:13)
    at Entry.emit (events.js:169:7)
    at readableAddChunk (_stream_readable.js:153:18)

In node 6.3.1 I get an additional error:

(node:2898) fs: re-evaluating native module sources is not supported. If you are using the graceful-fs module, please update it to a more recent version.

The error disappears if I use the LTS version (4.4.7)
This is my code:

var Excel = require('exceljs');

var workbook = new Excel.Workbook();
var filename = 'test.xlsx';

workbook.xlsx.readFile(filename).then(function () {

});

Is there a way to fix this?

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