saveState's restoreColumn unnecessarily calls for the pinning of columns/refresh of grid
#5.314 aberto em 12 de abr. de 2016
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Description
restoreColumn's unnecessarily calls for pinning a column/refreshing the grid when a column is currently not pinned and the saved state is also not pinned.
When a column's pinned state is saved, if the column.renderContainer is null, it saves it as an empty string:
savedColumn.pinned = column.renderContainer ? column.renderContainer : '';
However, inside the if statement to determine if a pinned column should change, it performs the check:
currentCol.renderContainer !== columnState.pinned
Because the column.renderContainer gets stored as an empty string instead of null when being saved, I think the same logic to replace renderContainer with an empty string should also be performed when restoring the columns to prevent an unnecessary pinning/refresh.