IgxGrid: Pressing browser zoom-in shortcut key throws `TypeError: Cannot read properties of undefined (reading 'rowIndex')`

[mkamiishi]

Description

igx-grid throws an uncaught TypeError in IgxGridNavigationService.dispatchEvent() whenever + or = is pressed while a grid cell is focused — with or without a modifier key.

Framework

Angular

Angular Version

21.2.20

Ignite UI for Angular Version

21.2.16 (also verified present in 22.1.2)

Component / Area

Grid

Browser

Chrome

Operating System

Windows

Command Not Working

Steps to Reproduce

1. Run the sample.
2. Click any cell of the grid (so .igx-grid__tbody-content has focus).
3. Press +, or Ctrl++(browser zoom-in).

Actual Result

An uncaught error reaches the application's ErrorHandler:

TypeError: Cannot read properties of undefined (reading 'rowIndex')
at IgxGridNavigationService.dispatchEvent (igniteui-angular-grids-core.mjs)
at IgxGridNavigationService.handleNavigation (igniteui-angular-grids-core.mjs)
at IgxGridComponent_Template_div_keydown_4_listener (igniteui-angular-grids-grid.mjs)

Expected Result

The key is ignored (it is not a navigation key); no error is thrown.

Reproduction URL

No response

Attachments

igx-grid-plus-key-repro.zip