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fix(types): cover more SyncPatch cases

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Richard 2024-07-07 01:50:12 -07:00
parent d913dfc444
commit cf44dd02ca
1 changed files with 11 additions and 5 deletions
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16
src/index.d.ts vendored
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@ -241,6 +241,8 @@ declare namespace Charm {
readonly __none: "__none"; readonly __none: "__none";
} }
type MaybeNone<T> = undefined extends T ? None : never;
/** /**
* A partial patch that can be applied to the state to update it. Represents * A partial patch that can be applied to the state to update it. Represents
* the difference between the current state and the next state. * the difference between the current state and the next state.
@ -248,11 +250,15 @@ declare namespace Charm {
* If a value was removed, it is replaced with `None`. This can be checked * If a value was removed, it is replaced with `None`. This can be checked
* using the `sync.isNone` function. * using the `sync.isNone` function.
*/ */
type SyncPatch<State> = { type SyncPatch<State> =
readonly [P in keyof State]?: | MaybeNone<State>
| (State[P] extends object ? SyncPatch<State[P]> : State[P]) | (State extends ReadonlyMap<infer K, infer V> | Map<infer K, infer V>
| (undefined extends State[P] ? None : never); ? ReadonlyMap<K, SyncPatch<V> | None>
}; : State extends readonly (infer T)[]
? readonly (SyncPatch<T> | None | undefined)[]
: State extends object
? { readonly [P in keyof State]?: SyncPatch<State[P]> }
: State);
/** /**
* A payload that can be sent from the server to the client to synchronize * A payload that can be sent from the server to the client to synchronize