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TimeSeries.columns() throws iterator exception instead of returning empty array #186

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jtiscione opened this issue Mar 9, 2020 · 0 comments

jtiscione commented Mar 9, 2020

If a TimeSeries happens to have zero columns in it, then invoking columns() should return an empty array.

Instead it throws an exception: "Uncaught TypeError: Cannot read property 'events' of null".

Currently the only way to test for zero columns is to ask for the columns array and catch the exception from this iterator.

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