Infinite loop in v9.21.1

[alxbradley]

Bug:

We're running into an infinite loop when a column has 0 width. The browser becomes unusable.

After digging a bit deeper I found that the it's related to the following PR:
#1312

@trxcllnt @wuweiweiwu

In the following line nearestCellIndex is always greater than this._lastMeasuredIndex:
https://github.com/trxcllnt/react-virtualized/blob/8fcc7031cbde72495e5fe3415e54c974b8d29880/source/Grid/utils/CellSizeAndPositionManager.js#L248

It seems that the problem is inside of the linear-vector-layout library function indexOfInternal or the handling of it's return index.

Bug seen in the following environment:

Browser	Chrome, Firefox
OS	Windows
React	16.6.3
React DOM	16.6.3
react-virtualized	9.21.1

Our Fix

Revert react-virtualized back to 9.21.0

[trxcllnt]

ooh yikes, my apologies @alxbradley. @wuweiweiwu do you think we could revert my PR until I have time to finish cleaning the library up and adding more tests? I'm about two thirds of the way done, but I'm slammed with other stuff at the moment.

[wuweiweiwu]

@trxcllnt @alxbradley will update thread when done

[trxcllnt]

@wuweiweiwu alternatively, I could add guards to disallow 0-sized elements for now.