Update packages/datetime2/src/components/date-range-picker3/dateRangePicker3.tsx

evansjohnson · web-flow · commit 538464f2626b · 2024-06-28T14:47:23.000-04:00
diff --git a/packages/datetime2/src/components/date-range-picker3/dateRangePicker3.tsx b/packages/datetime2/src/components/date-range-picker3/dateRangePicker3.tsx
@@ -277,6 +277,10 @@ export class DateRangePicker3 extends DateFnsLocalizedComponent<DateRangePicker3
         this.setState({ value: newDateRange, time: newTimeRange });
     };
 
+    // When a user sets the time value before choosing a date, we need to pick a date for
+    // them to have something to store the time on.
+    // The default depends on the value of the other date since there's an invariant
+    // that the left/0 date is always less than the right/1 date.
     private getDefaultDate = (dateIndex: number) => {
         const { value } = this.state;
         const otherIndex = dateIndex === 0 ? 1 : 0;
