Fix expectExactType to be compatible with TypeScript 5.4

aryaemami59 · aryaemami59 · commit 31c05c9119c5 · 2024-01-25T05:47:29.000-06:00
diff --git a/packages/toolkit/src/tests/helpers.ts b/packages/toolkit/src/tests/helpers.ts
@@ -10,7 +10,7 @@ type Equals<T, U> = IsAny<
   IsAny<U, never, [T] extends [U] ? ([U] extends [T] ? any : never) : never>
 >
 export function expectExactType<T>(t: T) {
-  return <U extends Equals<T, U>>(u: U) => {}
+  return <U extends T>(u: U & Equals<T, U>) => {}
 }
 
 type EnsureUnknown<T extends any> = IsUnknown<T, any, never>

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@ type Equals<T, U> = IsAny<`
`10`	`10`	`IsAny<U, never, [T] extends [U] ? ([U] extends [T] ? any : never) : never>`
`11`	`11`	`>`
`12`	`12`	`export function expectExactType<T>(t: T) {`
`13`		`- return <U extends Equals<T, U>>(u: U) => {}`
	`13`	`+ return <U extends T>(u: U & Equals<T, U>) => {}`
`14`	`14`	`}`
`15`	`15`
`16`	`16`	`type EnsureUnknown<T extends any> = IsUnknown<T, any, never>`