type-fest - npm Package Compare versions

Comparing version 4.10.1 to 4.10.2

package.json

 {
 	"name": "type-fest",
-	"version": "4.10.1",
+	"version": "4.10.2",
 	"description": "A collection of essential TypeScript types",
@@ -5,0 +5,0 @@ "license": "(MIT OR CC0-1.0)",

source/merge-deep.d.ts

@@ -66,2 +66,5 @@ import type {ConditionalSimplifyDeep} from './conditional-simplify';
 
+// Helper to avoid computing ArrayTail twice.
+type PickRestTypeHelper<Tail extends UnknownArrayOrTuple, Type> = Tail extends [] ? Type : PickRestType<Tail>;
+
 /**
@@ -80,5 +83,14 @@ Pick the rest type.
 type PickRestType<Type extends UnknownArrayOrTuple> = number extends Type['length']
-	? ArrayTail<Type> extends [] ? Type : PickRestType<ArrayTail<Type>>
+	? PickRestTypeHelper<ArrayTail<Type>, Type>
 	: [];
 
+// Helper to avoid computing ArrayTail twice.
+type OmitRestTypeHelper<
+	Tail extends UnknownArrayOrTuple,
+	Type extends UnknownArrayOrTuple,
+	Result extends UnknownArrayOrTuple = [],
+> = Tail extends []
+	? Result
+	: OmitRestType<Tail, [...Result, FirstArrayElement<Type>]>;
+
 /**
@@ -98,3 +110,3 @@ Omit the rest type.
 type OmitRestType<Type extends UnknownArrayOrTuple, Result extends UnknownArrayOrTuple = []> = number extends Type['length']
-	? ArrayTail<Type> extends [] ? Result : OmitRestType<ArrayTail<Type>, [...Result, FirstArrayElement<Type>]>
+	? OmitRestTypeHelper<ArrayTail<Type>, Type, Result>
 	: Type;
@@ -101,0 +113,0 @@

No alert changes

Improved metrics

Total package byte prevSize

320086

increased by0.11%

Lines of code

7523

increased by0.13%

No dependency changes