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[datetime] fix(DatePicker): prevent iOS crash selecting month/year #4245

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Jul 28, 2020
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4 changes: 4 additions & 0 deletions packages/datetime/src/datePickerCaption.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,10 @@ export class DatePickerCaption extends AbstractPureComponent2<IDatePickerCaption
private dateChangeHandler(updater: (date: Date, value: number) => void, handler?: (value: number) => void) {
return (e: React.FormEvent<HTMLSelectElement>) => {
const value = parseInt((e.target as HTMLSelectElement).value, 10);
// ignore change events with invalid values to prevent crash on iOS Safari (#4178)
if (isNaN(value)) {
return;
}
const newDate = clone(this.props.date);
updater(newDate, value);
Utils.safeInvoke(this.props.onDateChange, newDate);
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