histogram autobinning regression with TypedArray

[jonmmease]

It looks like the new autobinning logic has a regression with typed arrays. See plotly/plotly.py#1257.

CodePen: https://codepen.io/jonmmease/pen/mQdXJK?editors=1010

Standard array (1.42.2):

Typed array (1.42.2):

Typed array (1.41.3):

[alexcjohnson]

Wow that's weird - thanks @jonmmease ! No errors or anything, just renders incorrectly...

I'll fix (and test) this specific bug, but @etpinard I'm not sure what would make a good generic test of typed array support - in principle we could rerun the entire image test suite, combing through data (and layout for numeric arrays and converting them to typed arrays first... that seems pretty heavy but how else could we catch silent bugs like this?

[etpinard]

that seems pretty heavy but how else could we catch silent bugs like this?

That does seems pretty heavy, unless we can add two more CircleCI test containers 💰

But maybe we could try to run all our mocks with typed arrays once locally and then lock failing cases (if any 😏 ) with jasmine tests.