type-fest - npm Package Compare versions

Comparing version 4.18.2 to 4.18.3

package.json

 {
 	"name": "type-fest",
-	"version": "4.18.2",
+	"version": "4.18.3",
 	"description": "A collection of essential TypeScript types",
@@ -5,0 +5,0 @@ "license": "(MIT OR CC0-1.0)",

source/conditional-keys.d.ts

@@ -0,1 +1,3 @@
+import type {IfNever} from './if-never';
+
 /**
@@ -39,8 +41,8 @@ Extract the keys from a type where the value type of the key extends the given `Condition`.
 	Base[Key] extends Condition
-	// Retain this key since the condition passes.
-		? Key
+	// Retain this key
+	// If the value for the key extends never, only include it if `Condition` also extends never
+		? IfNever<Base[Key], IfNever<Condition, Key, never>, Key>
 	// Discard this key since the condition fails.
 		: never;
-
 	// Convert the produced object into a union type of the keys which passed the conditional test.
 }[keyof Base];

No alert changes

Improved metrics

Total package byte prevSize

364503

increased by0.04%

Lines of code

8794

increased by0.02%

No dependency changes