[frameset]

Did you read the documentation I linked? There's also high/medium/low settings that use XDG signals to determine if focus should change.

[eviks]

Did you read my comment? Which of these 3 settings allows focus steal, but not during typing?

[etdznots]

Turing complete focus filter policy language and evaluator

[eviks]

I'd settle for a few "if/else"s