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import React from 'react';
import type { DatePickerProps } from 'antd';
import { Button, DatePicker, Flex, Slider, Space, Typography } from 'antd';
import dayjs from 'dayjs';
import type { Dayjs } from 'dayjs';
const onChange: DatePickerProps['onChange'] = (date, dateString) => {
console.log(date, dateString);
};
type DateComponent = Required<NonNullable<DatePickerProps<Dayjs>['components']>>['date'];
type GetProps<T> = T extends React.ComponentType<infer P> ? P : never;
const MyDatePanel = (props: GetProps<DateComponent>) => {
const { value, onSelect, onHover } = props;
// Value
const startDate = React.useMemo(() => dayjs().date(1).month(0), []);
const [innerValue, setInnerValue] = React.useState(value || startDate);
React.useEffect(() => {
if (value) {
setInnerValue(value);
}
}, [value]);
// Range
const dateCount = React.useMemo(() => {
const endDate = startDate.add(1, 'year').add(-1, 'day');
return endDate.diff(startDate, 'day');
}, [startDate]);
const sliderValue = Math.min(Math.max(0, innerValue.diff(startDate, 'day')), dateCount);
// Render
return (
<Flex vertical gap="small" style={{ padding: 16 }}>
<Typography.Title level={4} style={{ margin: 0 }} title="no, it's not">
The BEST Picker Panel
</Typography.Title>
<Slider
min={0}
max={dateCount}
value={sliderValue}
onChange={(nextValue) => {
const nextDate = startDate.add(nextValue, 'day');
setInnerValue(nextDate);
onHover?.(nextDate);
}}
tooltip={{
formatter: (nextValue) => startDate.add(nextValue || 0, 'day').format('YYYY-MM-DD'),
}}
/>
<Button
type="primary"
onClick={() => {
onSelect(innerValue);
}}
>{`That's It!`}</Button>
</Flex>
);
};
const App: React.FC = () => (
<Space direction="vertical">
<DatePicker
showNow={false}
onChange={onChange}
components={{
date: MyDatePanel,
}}
/>
</Space>
);
export default App;
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