bc518174
 王天杨
提交两个项目文件
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import { addMonths } from 'date-fns';
import { CaptionProps } from 'components/Caption/Caption';
import { CaptionLabel } from 'components/CaptionLabel';
import { MonthsDropdown } from 'components/MonthsDropdown';
import { YearsDropdown } from 'components/YearsDropdown';
import { useDayPicker } from 'contexts/DayPicker';
import { useNavigation } from 'contexts/Navigation';
import { MonthChangeEventHandler } from 'types/EventHandlers';
/**
* Render a caption with the dropdowns to navigate between months and years.
*/
export function CaptionDropdowns(props: CaptionProps): JSX.Element {
const { classNames, styles, components } = useDayPicker();
const { goToMonth } = useNavigation();
const handleMonthChange: MonthChangeEventHandler = (newMonth) => {
goToMonth(
addMonths(newMonth, props.displayIndex ? -props.displayIndex : 0)
);
};
const CaptionLabelComponent = components?.CaptionLabel ?? CaptionLabel;
const captionLabel = (
<CaptionLabelComponent id={props.id} displayMonth={props.displayMonth} />
);
return (
<div
className={classNames.caption_dropdowns}
style={styles.caption_dropdowns}
>
{/* Caption label is visually hidden but for a11y. */}
<div className={classNames.vhidden}>{captionLabel}</div>
<MonthsDropdown
onChange={handleMonthChange}
displayMonth={props.displayMonth}
/>
<YearsDropdown
onChange={handleMonthChange}
displayMonth={props.displayMonth}
/>
</div>
);
}
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