Rename _UnionToTuple type and type test description

fabian-hiller · Dec 23, 2024 · 75a68a8 · 75a68a8
1 parent 3e6c7d2
commit 75a68a8
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Showing 2 changed files with 71 additions and 70 deletions.
diff --git a/library/src/methods/keyof/keyof.test-d.ts b/library/src/methods/keyof/keyof.test-d.ts
@@ -54,73 +54,74 @@ describe('keyof', () => {
     });
   });
 
-  test('should not trigger an error when object schemas contain many keys', () => {
-    const schema = keyof(
-      object({
-        k00: unknown(),
-        k01: unknown(),
-        k02: unknown(),
-        k03: unknown(),
-        k04: unknown(),
-        k05: unknown(),
-        k06: unknown(),
-        k07: unknown(),
-        k08: unknown(),
-        k09: unknown(),
-        k10: unknown(),
-        k11: unknown(),
-        k12: unknown(),
-        k13: unknown(),
-        k14: unknown(),
-        k15: unknown(),
-        k16: unknown(),
-        k17: unknown(),
-        k18: unknown(),
-        k19: unknown(),
-        k20: unknown(),
-        k21: unknown(),
-        k22: unknown(),
-        k23: unknown(),
-        k24: unknown(),
-        k25: unknown(),
-        k26: unknown(),
-        k27: unknown(),
-        k28: unknown(),
-        k29: unknown(),
-        k30: unknown(),
-        k31: unknown(),
-        k32: unknown(),
-        k33: unknown(),
-        k34: unknown(),
-        k35: unknown(),
-        k36: unknown(),
-        k37: unknown(),
-        k38: unknown(),
-        k39: unknown(),
-        k40: unknown(),
-        k41: unknown(),
-        k42: unknown(),
-        k43: unknown(),
-        k44: unknown(),
-        k45: unknown(),
-        k46: unknown(),
-        k47: unknown(),
-        k48: unknown(),
-        k49: unknown(),
-        k50: unknown(),
-        k51: unknown(),
-        k52: unknown(),
-        k53: unknown(),
-        k54: unknown(),
-        k55: unknown(),
-        k56: unknown(),
-        k57: unknown(),
-        k58: unknown(),
-        k59: unknown(),
-        k60: unknown(),
-      })
-    );
-    expectTypeOf(schema).toEqualTypeOf<
+  test('should not trigger TS error for many keys', () => {
+    expectTypeOf(
+      keyof(
+        object({
+          k00: unknown(),
+          k01: unknown(),
+          k02: unknown(),
+          k03: unknown(),
+          k04: unknown(),
+          k05: unknown(),
+          k06: unknown(),
+          k07: unknown(),
+          k08: unknown(),
+          k09: unknown(),
+          k10: unknown(),
+          k11: unknown(),
+          k12: unknown(),
+          k13: unknown(),
+          k14: unknown(),
+          k15: unknown(),
+          k16: unknown(),
+          k17: unknown(),
+          k18: unknown(),
+          k19: unknown(),
+          k20: unknown(),
+          k21: unknown(),
+          k22: unknown(),
+          k23: unknown(),
+          k24: unknown(),
+          k25: unknown(),
+          k26: unknown(),
+          k27: unknown(),
+          k28: unknown(),
+          k29: unknown(),
+          k30: unknown(),
+          k31: unknown(),
+          k32: unknown(),
+          k33: unknown(),
+          k34: unknown(),
+          k35: unknown(),
+          k36: unknown(),
+          k37: unknown(),
+          k38: unknown(),
+          k39: unknown(),
+          k40: unknown(),
+          k41: unknown(),
+          k42: unknown(),
+          k43: unknown(),
+          k44: unknown(),
+          k45: unknown(),
+          k46: unknown(),
+          k47: unknown(),
+          k48: unknown(),
+          k49: unknown(),
+          k50: unknown(),
+          k51: unknown(),
+          k52: unknown(),
+          k53: unknown(),
+          k54: unknown(),
+          k55: unknown(),
+          k56: unknown(),
+          k57: unknown(),
+          k58: unknown(),
+          k59: unknown(),
+          k60: unknown(),
+        })
+      )
+    ).toEqualTypeOf<
       PicklistSchema<
         [
           'k00',

diff --git a/library/src/types/utils.ts b/library/src/types/utils.ts
@@ -70,17 +70,17 @@ export type UnionToIntersect<TUnion> =
  *
  * For more information: {@link https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-5.html#tail-recursion-elimination-on-conditional-types}
  */
-type _UnionToTuple<TUnion, TResult extends unknown[]> =
+type UnionToTupleHelper<TUnion, TResult extends unknown[]> =
   UnionToIntersect<
     TUnion extends never ? never : () => TUnion
   > extends () => infer TLast
-    ? _UnionToTuple<Exclude<TUnion, TLast>, [TLast, ...TResult]>
+    ? UnionToTupleHelper<Exclude<TUnion, TLast>, [TLast, ...TResult]>
     : TResult;
 
 /**
  * Converts union to tuple type.
  */
-export type UnionToTuple<TUnion> = _UnionToTuple<TUnion, []>;
+export type UnionToTuple<TUnion> = UnionToTupleHelper<TUnion, []>;
 
 /**
  * Checks if a type is `any`.