feat: copilot review

Author: web-flow

packages/devextreme/js/__internal/scheduler/r1/utils/base.ts

@@ -338,7 +338,7 @@ export const getKeyByGroup = (
 
 export const getToday = (
   indicatorTime: Date | undefined,
-  timeZoneCalculator: TimeZoneCalculator,
+  timeZoneCalculator: TimeZoneCalculator | undefined,
 ): Date => {
   const todayDate = indicatorTime ?? new Date();
 

packages/devextreme/js/__internal/scheduler/workspaces/view_model/grouped_data_map_provider.ts

@@ -143,9 +143,10 @@ export class GroupedDataMapProvider {
     } = cellInfo;
     const { viewOffset } = this.viewOptions;
 
-    const matchingCell = this.getRowsForCellSearch(allDay, groupIndex)
-      .flatMap((row) => row)
-      .find((cell) => {
+    // eslint-disable-next-line no-undef-init
+    let foundPosition: CellPositionData | undefined = undefined;
+    this.getRowsForCellSearch(allDay, groupIndex).some(
+      (row) => row.some((cell) => {
         const originCellData = cell.cellData;
         // NOTE: If this is appointment's render call
         // we should shift the real cellData dates by viewOffset
@@ -158,11 +159,18 @@ export class GroupedDataMapProvider {
           }
           : originCellData;
 
-        return this.isSameGroupIndexAndIndex(cellData, groupIndex, index)
-          && this.isStartDateInCell(startDate, allDay ?? false, cellData, originCellData);
-      });
+        if (
+          this.isSameGroupIndexAndIndex(cellData, groupIndex, index)
+          && this.isStartDateInCell(startDate, allDay, cellData, originCellData)
+        ) {
+          foundPosition = cell.position;
+          return true;
+        }
+        return false;
+      }),
+    );
 
-    return matchingCell?.position;
+    return foundPosition;
   }
 
   private getRowsForCellSearch(

packages/devextreme/js/__internal/scheduler/workspaces/view_model/view_data_generator_month.ts

@@ -44,8 +44,8 @@ export class ViewDataGeneratorMonth extends ViewDataGenerator {
 
     data.today = this.isCurrentDate(
       startDate,
-      indicatorTime as Date,
-      timeZoneCalculator as TimeZoneCalculator,
+      indicatorTime,
+      timeZoneCalculator,
     );
     data.otherMonth = this.isOtherMonth(startDate, this.minVisibleDate, this.maxVisibleDate);
     data.isFirstDayMonthHighlighting = isFirstCellInMonthWithIntervalCount(
@@ -57,7 +57,11 @@ export class ViewDataGeneratorMonth extends ViewDataGenerator {
     return data;
   }
 
-  isCurrentDate(date: Date, indicatorTime: Date, timeZoneCalculator: TimeZoneCalculator): boolean {
+  isCurrentDate(
+    date: Date,
+    indicatorTime: Date | undefined,
+    timeZoneCalculator: TimeZoneCalculator | undefined,
+  ): boolean {
     return dateUtils.sameDate(date, getToday(indicatorTime, timeZoneCalculator));
   }