types: fix key inference in nullable maps, fix #56

cordiverse · Feb 2, 2024 · 3115abd · 3115abd
1 parent dcbdf81
commit 3115abd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/core/src/utils.ts b/packages/core/src/utils.ts
@@ -4,7 +4,7 @@ import { Eval } from './eval'
 export type Values<S> = S[keyof S]
 
 export type Keys<O, T = any> = Values<{
-  [K in keyof O]: O[K] extends T ? K : never
+  [K in keyof O]: O[K] extends T | undefined ? K : never
 }> & string
 
 export type Atomic = number | string | boolean | bigint | symbol | Date