How to properly type getTooltip?

[mattoni]

I'm having some trouble trying to get proper typings on getTooltip. Given the following code:

I get this error:

My layers are properly typed and working as intended, but for some reason PickInfo won't work with my custom object type. I don't see any constraints on D nor any other way to hint to the compiler what D is. Any help is greatly appreciated, thanks!

[danmarshall]

Can your provide a minimal code sample?

[myo-shi]

Hi, I faced same issue. Here is a code sample:
https://codesandbox.io/s/shy-waterfall-ocm3g
Thanks.

[ghost]

Hello, I am facing the same issue. Have not found a solution other than object as unknown as {my custom type}