UXP Starter Template Plugins Crash InDesign on Running "Show Alert" Command in v19.X

[andrea.daru]

The only solution that I’ve found to use dialog in InDesign 19.4 reliable both on windows and macos.

`window.alert` in a UXP plugin crashes InDesign

Unfortunately it doesn’t work in InDesign I opted to use the (UXP) Dialog, even if they are not fully compatible. I recommend using the helper library “Adobe XD Plugin Helpers”. In my case I was using InDesign 19.4 which has a bug that always places the Dialog in the lower left corner ignoring also the dimension provided. I randomly found a solution: force the dialog dimension via css for some reason make InDesign display the Dialog in the center of the screen. dial…