bc518174
王天杨
提交两个项目文件
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import { addDays, endOfMonth, startOfMonth } from 'date-fns';
import { getActiveModifiers } from 'contexts/Modifiers';
import { Modifiers } from 'types/Modifiers';
/**
* Returns the day that should be the target of the focus when DayPicker is
* rendered the first time.
*
* TODO: this function doesn't consider if the day is outside the month. We
* implemented this check in `useDayRender` but it should probably go here. See
* https://github.com/gpbl/react-day-picker/pull/1576
*/
export function getInitialFocusTarget(
displayMonths: Date[],
modifiers: Modifiers
) {
const firstDayInMonth = startOfMonth(displayMonths[0]);
const lastDayInMonth = endOfMonth(displayMonths[displayMonths.length - 1]);
// TODO: cleanup code
let firstFocusableDay;
let today;
let date = firstDayInMonth;
while (date <= lastDayInMonth) {
const activeModifiers = getActiveModifiers(date, modifiers);
const isFocusable = !activeModifiers.disabled && !activeModifiers.hidden;
if (!isFocusable) {
date = addDays(date, 1);
continue;
}
if (activeModifiers.selected) {
return date;
}
if (activeModifiers.today && !today) {
today = date;
}
if (!firstFocusableDay) {
firstFocusableDay = date;
}
date = addDays(date, 1);
}
if (today) {
return today;
} else {
return firstFocusableDay;
}
}
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