Simplify required keys

colinhacks · Mar 2, 2022 · 363937b · 363937b
1 parent 615a326
commit 363937b
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/deno/lib/types.ts b/deno/lib/types.ts
@@ -1321,7 +1321,10 @@ export namespace objectUtil {
     [k in keyof T]: undefined extends T[k] ? k : never;
   }[keyof T];
 
-  type requiredKeys<T extends object> = Exclude<keyof T, optionalKeys<T>>;
+  // type requiredKeys<T extends object> = Exclude<keyof T, optionalKeys<T>>;
+  type requiredKeys<T extends object> = {
+    [k in keyof T]: undefined extends T[k] ? never : k;
+  }[keyof T];
 
   export type addQuestionMarks<T extends object> = {
     [k in optionalKeys<T>]?: T[k];

diff --git a/src/types.ts b/src/types.ts
@@ -1321,7 +1321,10 @@ export namespace objectUtil {
     [k in keyof T]: undefined extends T[k] ? k : never;
   }[keyof T];
 
-  type requiredKeys<T extends object> = Exclude<keyof T, optionalKeys<T>>;
+  // type requiredKeys<T extends object> = Exclude<keyof T, optionalKeys<T>>;
+  type requiredKeys<T extends object> = {
+    [k in keyof T]: undefined extends T[k] ? never : k;
+  }[keyof T];
 
   export type addQuestionMarks<T extends object> = {
     [k in optionalKeys<T>]?: T[k];