fix: FormItem props type define,InfiniteScroll null safe (tusen-ai#5840)

Signed-off-by: Sepush <sepush@outlook.com>

package.json

@@ -110,7 +110,7 @@
     "eslint-config-standard": "^17.1.0",
     "eslint-config-standard-with-typescript": "^43.0.0",
     "eslint-plugin-import": "^2.28.1",
-    "eslint-plugin-markdown": "^4.0.1",
+    "eslint-plugin-markdown": "^3.0.1",
     "eslint-plugin-n": "^16.0.2",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^6.1.1",

src/form/src/FormItem.tsx

@@ -50,8 +50,8 @@ import type {
   FormItemInst,
   FormItemInternalValidate,
   FormItemInternalValidateResult,
-  type FeedBackPositonCrosswise,
-  type FeedBackPositonVertical
+  FeedBackPositonCrosswise,
+  FeedBackPositonVertical
 } from './interface'
 import { formInjectionKey, formItemInstsInjectionKey } from './context'
 import style from './styles/form-item.cssr'
@@ -82,11 +82,11 @@ export const formItemProps = {
   validationStatus: String as PropType<'error' | 'warning' | 'success'>,
   feedback: String,
   feedbackCrosswise: {
-    type: String as FeedBackPositonCrosswise,
+    type: String as PropType<FeedBackPositonCrosswise>,
     default: 'left'
   },
   feedbackVertical: {
-    type: String as FeedBackPositonVertical,
+    type: String as PropType<FeedBackPositonVertical>,
     default: 'bottom'
   },
   showLabel: {

src/infinite-scroll/src/InfiniteScroll.tsx

@@ -28,13 +28,23 @@ export default defineComponent({
     const scrollbarInstRef = ref<ScrollbarInst | null>(null)
 
     const handleCheckBottom = async (): Promise<void> => {
-      const { containerRef, containerScrollTop } = scrollbarInstRef.value
-      const { scrollHeight } = containerRef
-      if (
-        containerScrollTop + containerRef.clientHeight >=
-        scrollHeight - props.distance
-      ) {
-        await props.onLoad?.()
+      const { value: scrollbarInst } = scrollbarInstRef
+      if (scrollbarInst) {
+        const { containerRef, containerScrollTop } = scrollbarInst
+        const scrollHeight = containerRef?.scrollHeight
+        const clientHeight = containerRef?.clientHeight
+        if (
+          containerRef &&
+          scrollHeight !== undefined &&
+          clientHeight !== undefined
+        ) {
+          if (
+            containerScrollTop + clientHeight >=
+            scrollHeight - props.distance
+          ) {
+            await props.onLoad?.()
+          }
+        }
       }
     }