Masonry: Update fluid grid to not floor column width (take two) #3913
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Summary
This PR re-lands the change originally introduced in #3874 (which updates
fullWidthLayout
column widths to not be floored) and addresses the bug that caused it to be reverted.Why was this reverted previously
This previous change was reverted after it was reported that pins were "stacking" . After doing some debugging, I was able to trace the issue down to the
initializeHeightsArray
function, which is called during multi-column layout. Currently, it has some logic to determinecolumn
based on a combination ofposition.left
+columnWidthAndGutter
- when column widths are floating point numbers, this ends up breaking since the calculatedcolumn
is no longer an integer.This PR fixes the above issue by ensuring that the above calculation is rounded to the nearest integer.
Test Plan
Patched this locally and testing in pinboard
Before
After