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chart.exportChart() leaves undefined item in Highcharts.charts array #6569

dankoliver opened this issue Apr 5, 2017 · 2 comments

chart.exportChart() leaves undefined item in Highcharts.charts array #6569

dankoliver opened this issue Apr 5, 2017 · 2 comments


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@dankoliver dankoliver commented Apr 5, 2017

Expected behaviour

Highcharts.charts array contains same items as before the image export

Actual behaviour

After each image export there is one undefined item appended to Highcharts.charts

Live demo with steps to reproduce
Check the messages in the debug console

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@dankoliver dankoliver commented Apr 7, 2017

Thanks for the quick fix!
However, I've found it necessary to also modify the reflow() function - for some reason it's still being called with this being undefined after a chart has been exported.
I haven't traced down the root cause, might well be that it's in my implementation, but I've fixed it like so:

        initReflow: function () {
            var chart = this,
                reflow = function (e) {
                    if(chart.options) {
            addEvent(win, 'resize', reflow);
            addEvent(chart, 'destroy', function () {
                removeEvent(win, 'resize', reflow);
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@pawelfus pawelfus commented Apr 11, 2017

@TorsteinHonsi - this commit breaks exporting 3D charts. In 3D, there is a reference to a chart by renderer.chartIndex, now an exported chart doesn't define this. It's an issue here and later an error here.

@pawelfus pawelfus reopened this Apr 11, 2017
TorsteinHonsi added a commit that referenced this issue Apr 20, 2017
@pawelfus pawelfus closed this Apr 25, 2017
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