fix: 下拉数据过长时点击回到今天不重置数据

pages/scheduleList/scheduleList.js

@@ -572,7 +572,9 @@ create.Page({
     const offset = this.getScrollOffset(e.detail.scrollTop);
     dd.createSelectorQuery().selectAll('.li').boundingClientRect().exec((rect) => {
       //日程的上下箭头
-      this.setScrollOffset(rect);
+      if (rect[0]) {
+        this.setScrollOffset(rect);
+      }
       if (offset == 'next') {
         for (let i = this.data.currentDataIndex; i < rect[0].length; i++) {
           if (rect[0][i].top > 0) {
@@ -658,11 +660,9 @@ create.Page({
   }, 1000),
   backToToday(type) {
     if (!type) {
-      //如果当前的日期还没加载出来点击无效,下拉积累数据过长可以去掉
-      const isFindArr = this.data.scheduleList.filter(
-        it => it.dateStr == toLocaleDateString(currentDate)
-      );
-      if (isFindArr.length == 0 || this.data.scheduleList.length > 100) {
+      //如果当前的日期还没加载出来点击无效
+      const isFindArr = this.data.scheduleList.filter(it => it.dateStr == toLocaleDateString(currentDate));
+      if (isFindArr.length == 0) {
         //去掉头部空数据
         if (this.minYear < minYear) {
           this.scheduleList.splice(0, this.blankDataLength);
@@ -675,10 +675,7 @@ create.Page({
         }
         this.getPagination(this.scheduleList);
         this.setData({
-          scheduleList: this.scheduleList.slice(
-            this.firstPage * this.pageSize,
-            this.currentPage * this.pageSize
-          )
+          scheduleList: this.scheduleList.slice(this.firstPage * this.pageSize, this.currentPage * this.pageSize)
         });
       }
     }