fix Bug or add docs

src/hooks/event/useWindowSizeFn.ts

@@ -0,0 +1,36 @@
+import { tryOnMounted, tryOnUnmounted } from '@vueuse/core';
+import { useDebounceFn } from '@vueuse/core';
+
+interface WindowSizeOptions {
+  once?: boolean;
+  immediate?: boolean;
+  listenerOptions?: AddEventListenerOptions | boolean;
+}
+
+export function useWindowSizeFn<T>(fn: Fn<T>, wait = 150, options?: WindowSizeOptions) {
+  let handler = () => {
+    fn();
+  };
+  const handleSize = useDebounceFn(handler, wait);
+  handler = handleSize;
+
+  const start = () => {
+    if (options && options.immediate) {
+      handler();
+    }
+    window.addEventListener('resize', handler);
+  };
+
+  const stop = () => {
+    window.removeEventListener('resize', handler);
+  };
+
+  tryOnMounted(() => {
+    start();
+  });
+
+  tryOnUnmounted(() => {
+    stop();
+  });
+  return [start, stop];
+}