type-fest - npm Package Compare versions

Comparing version 4.10.2 to 4.10.3

package.json

 {
 	"name": "type-fest",
-	"version": "4.10.2",
+	"version": "4.10.3",
 	"description": "A collection of essential TypeScript types",
@@ -5,0 +5,0 @@ "license": "(MIT OR CC0-1.0)",

source/internal.d.ts

@@ -5,2 +5,3 @@ import type {Primitive} from './primitive';
 import type {IsAny} from './is-any';
+import type {IsLiteral} from './is-literal';
 import type {UnknownRecord} from './unknown-record';
@@ -362,2 +363,7 @@ import type {IsNever} from './is-never';
 /**
+Utility type to retrieve only literal keys from type.
+*/
+export type LiteralKeyOf<T> = keyof {[K in keyof T as IsLiteral<K> extends true ? K : never]-?: never};
+
+/**
 Returns the static, fixed-length portion of the given array, excluding variable-length parts.
@@ -364,0 +370,0 @@

source/partial-on-undefined-deep.d.ts

@@ -1,2 +0,3 @@
-import type {BuiltIns} from './internal';
+import type {IfUnknown} from './if-unknown';
+import type {BuiltIns, LiteralKeyOf} from './internal';
 import type {Merge} from './merge';
@@ -50,4 +51,4 @@
 export type PartialOnUndefinedDeep<T, Options extends PartialOnUndefinedDeepOptions = {}> = T extends Record<any, any> | undefined
-	? {[KeyType in keyof T as undefined extends T[KeyType] ? KeyType : never]?: PartialOnUndefinedDeepValue<T[KeyType], Options>} extends infer U // Make a partial type with all value types accepting undefined (and set them optional)
-		? Merge<{[KeyType in keyof T as KeyType extends keyof U ? never : KeyType]: PartialOnUndefinedDeepValue<T[KeyType], Options>}, U> // Join all remaining keys not treated in U
+	? {[KeyType in keyof T as undefined extends T[KeyType] ? IfUnknown<T[KeyType], never, KeyType> : never]?: PartialOnUndefinedDeepValue<T[KeyType], Options>} extends infer U // Make a partial type with all value types accepting undefined (and set them optional)
+		? Merge<{[KeyType in keyof T as KeyType extends LiteralKeyOf<U> ? never : KeyType]: PartialOnUndefinedDeepValue<T[KeyType], Options>}, U> // Join all remaining keys not treated in U
 		: never // Should not happen
@@ -54,0 +55,0 @@ : T;

No alert changes

Improved metrics

Total package byte prevSize

320394

increased by0.1%

Lines of code

7529

increased by0.08%

No dependency changes