I have a group of objects with const values, and these objects should follow a specific type definition.
The problem is that when I assign a type on the object, no longer get autocomplete or type annotations for them.

I have a group of objects with const values, and these objects should follow a specific type definition.
The problem is that when I assign a type on the object, no longer get autocomplete or type annotations for them.

Why does the code below output the wrong type?

type ActionType = ActionTypeA | ActionTypeB | ActionTypeC; type ActionHandlerType< PayloadType extends Object, ActionParamType extends ActionType, > = { isTypeOfAction: (action: ActionType) => action is ActionParamType; handleAction: (action?: ActionParamType, payload?: PayloadType) => void; }; Considering the above example. I want to restructure the ActionHandlerType type in such a way that I don’t need to pass […]

is there a reason why mapping an array does not work the same way as mapping a record?
An array is, in itself, an iterable object just like a Record<number, …>, right ?

I have the following interfaces:

I have the following types and function:

If I have function definition like this:

In index.tsx in this backbone example,
I have a function:

I am trying to create a function that accepts either keys of an object, or an object referencing both the key and a given value.