Cannot type narrow APIApplicationCommandInteraction about discord-api-types HOT 9 CLOSED

SOS

from discord-api-types.

CNR

from discord-api-types.

Sike, I'm blind. I can repro, however this is not something that can be fixed without casts or typeguard methods :c
We'll probably add in more typeguards for situations like these

from discord-api-types.

You can only narrow one property at time. In the first condition of your if statement typescript sees you're trying to narrow the interaction, not the data type of that interaction, only the the first condition is taken into consideration since the other is another property.

Playground demo

from discord-api-types.

So how would I do it? I thought two separate if statements but that is weird and doesn't work anyway

from discord-api-types.

For now, either cast or wait till we implement typeguards 😅

from discord-api-types.

Ok.

from discord-api-types.

I was able to work around this issue by... creating my own framework based on discord-api-types that has classes around interactions with type guards lol.

I don't think there is anything possible for discord-api-types, as it's a type library, and type guards are functions that do checks at runtime, which would make interactions classes, which would take discord-api-types out of devDependencies and bloat compiled code...

So yeah, the only thing possible while keeping discord-api-types purely a typings library would be to cast. 😕

from discord-api-types.

Also interaction type guards just got merged in to 0.28.0 in utils, so I guess this is solved :)

from discord-api-types.