types: improve ref typing (#8124)

* types: improve ref typing * types: message
2021-02-10 20:57:24 +08:00
parent 3e08b2471a
commit 0b68d3a141
8 changed files with 10 additions and 10 deletions
@@ -1,8 +1,8 @@
 import { useRect } from '@vant/use';
 import { Ref, ref, onMounted, nextTick } from 'vue';

-export const useHeight = (element: Element | Ref<Element>) => {
-  const height = ref();
+export const useHeight = (element: Element | Ref<Element | undefined>) => {
+  const height = ref<number>();

  onMounted(() => {
    nextTick(() => {