fix: element size

src/composables/useTresContextProvider/index.ts

@@ -36,12 +36,7 @@ export function useTresContextProvider({
   rendererOptions: UseRendererOptions
 }): TresContext {
 
-  const elementSize = computed(() => {
-    if (toValue(windowSize))
-      return useWindowSize()
-    return useElementSize(toValue(canvas)!.parentElement)
-  }
-  )
+  const elementSize = computed(() => toValue(windowSize) ? useWindowSize() : useElementSize(toValue(canvas)?.parentElement))
 
   const width = computed(() => elementSize.value.width.value)
   const height = computed(() => elementSize.value.height.value)