fix: hasKeys types fix

KiraLT · Jan 2, 2023 · b23c8fb · b23c8fb
1 parent de7bf0b
commit b23c8fb
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/spec/guards.spec.ts b/spec/guards.spec.ts
@@ -179,6 +179,9 @@ describe('hasKeys', () => {
 
         if (hasKeys(a, ['a', 'b'])) {
             expect(a.a).toBe(a.b)
+
+            // @ts-expect-error
+            expect(a.a.toFixed(1)).toBe('1.0')
         }
     })
 

diff --git a/src/guards.ts b/src/guards.ts
@@ -285,8 +285,7 @@ export function ensureError(value: unknown): Error {
 export function hasKeys<T extends unknown, Key extends keyof any>(
     obj: T,
     keys: ReadonlyArray<Key>
-    // @ts-ignore
-): obj is (T extends { [K in Key]: any } ? Extract<{ [K in Key]: any }, T> : { [K in Key]: unknown }) {
+): obj is (T extends { [K in Key]: any } ? Extract<{ [K in Key]: any }, T> : Extract<{ [K in Key]: unknown }, T>) {
     if (typeof obj === 'object' && keys.every((v) => v in (obj as any))) {
         return true
     }