refactor(useMediaQuery): assert window.matchMedia returns truthy value

Falsy checks are a remnant from previous versions of the code before isSupported was introduced, where code path existed that skipped calling window.matchMedia.
vueuse · Jul 30, 2023 · 330fd8b · 330fd8b
1 parent a1823e3
commit 330fd8b
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/packages/core/useMediaQuery/index.ts b/packages/core/useMediaQuery/index.ts
@@ -42,16 +42,14 @@ export function useMediaQuery(query: MaybeRefOrGetter<string>, options: Configur
     cleanup()
 
     mediaQuery = window!.matchMedia(toValue(query))
-    matches.value = !!mediaQuery?.matches
-
-    if (!mediaQuery)
-      return
 
     if ('addEventListener' in mediaQuery)
       mediaQuery.addEventListener('change', handler)
     else
       // @ts-expect-error deprecated API
       mediaQuery.addListener(handler)
+
+    matches.value = mediaQuery.matches
   })
 
   tryOnScopeDispose(() => {