Merge pull request #1190 from xieliuduo/dev50-fixstory

refactor: isElView in story player

Author: scottsut

frontend/src/app/pages/DashBoardPage/pages/Board/slice/index.ts

@@ -210,7 +210,10 @@ const boardSlice = createSlice({
       action: PayloadAction<{ boardId: string; wh: [number, number] }>,
     ) {
       const { boardId, wh } = action.payload;
-      state.boardInfoRecord[boardId].boardWidthHeight = wh;
+      let boardInfo = state.boardInfoRecord?.[boardId];
+      if (boardInfo) {
+        state.boardInfoRecord[boardId].boardWidthHeight = wh;
+      }
     },
     changeBoardPublish(
       state,

frontend/src/app/pages/DashBoardPage/utils/board.ts

@@ -220,7 +220,7 @@ export const isElView = el => {
   // bottom 元素底部端到可见区域顶端的距离
   var viewHeight = window.innerHeight || document.documentElement.clientHeight; // 浏览器可见区域高度。
 
-  if (top < viewHeight && bottom > 0) {
+  if (top <= viewHeight && bottom >= 0) {
     bool = true;
   } else if (top >= viewHeight || bottom <= 0) {
     bool = false;