Function copyAndUpdateState

copyAndUpdateState<T extends Partial<State>>(
preState: T,
stateUpdate: Partial<T>,
): { [K in string | number | symbol]: T[K] }
A rather test-only function to copy some fields from the state, apply an update to them (excluding services) and return a new plain object.

NOTE: if looking something more sophisticated try InMemoryState representation.
Type Parameters
- T extends Partial<State>
Parameters
- preState: T
- stateUpdate: Partial<T>
Returns { [K in string | number | symbol]: T[K] }
- Defined in packages/jam/transition/test.utils.ts:9