Combo alt + number doesn't work

Hello everybody, I have a hotkey that combined from ‘alt’ key and a number (from 0 - 5) key. But it doesn’t work. My code here:

private filterHotkey = new Hotkey(['alt+1', 'alt+2', 'alt+3', 'alt+4', 'alt+5', 'alt+0'], function (event: KeyboardEvent): boolean {
	console.log(event.key);
}.bind(this));

I just changed ‘alt’ key to ‘ctrl’ key, it works normally. But I think that will be perfect if we can work with both ‘alt’ and ‘ctrl’. Do you have any idea?

[omridevk]

though it seems the base implementation here uses Mousetrap behind the scene, and I do not think Mousetrap supports key combination such as “a + b”, it does support sequences though.

[omridevk]

@jnfaerch

I wouldn’t call it “deliberate” per se, it just a scenario we have yet decided to support, as it require some breaking changes in core code of the library (ng-keyboard-shortcuts), however. it is in my roadmap, and should be added in the future. As for this library, I cannot provide any further insight in regards to their decision.