add type labels

ionic-team · Mar 23, 2023 · bc3376e · bc3376e
1 parent b0bfbb9
commit bc3376e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/mock-doc/window.ts b/src/mock-doc/window.ts
@@ -337,14 +337,14 @@ export class MockWindow {
     }
   }
 
-  matchMedia(media) {
+  matchMedia(media: string) {
     return {
       media,
       matches: false,
       addEventListener,
       dispatchEvent,
       removeEventListener,
-      onchange: null,
+      onchange: null as (this: MediaQueryList, ev: MediaQueryListEvent) => any,
     };
   }