react-day-picker
Version:
Customizable Date Picker for React
49 lines • 1.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.useMulti = useMulti;
const useControlledValue_js_1 = require("../helpers/useControlledValue.js");
function useMulti(props, dateLib) {
const { selected: initiallySelected, required, onSelect } = props;
const [internallySelected, setSelected] = (0, useControlledValue_js_1.useControlledValue)(initiallySelected, onSelect ? initiallySelected : undefined);
const selected = !onSelect ? internallySelected : initiallySelected;
const { isSameDay } = dateLib;
const isSelected = (date) => {
return selected?.some((d) => isSameDay(d, date)) ?? false;
};
const { min, max } = props;
const select = (triggerDate, modifiers, e) => {
let newDates = [...(selected ?? [])];
if (isSelected(triggerDate)) {
if (selected?.length === min) {
// Min value reached, do nothing
return;
}
if (required && selected?.length === 1) {
// Required value already selected do nothing
return;
}
newDates = selected?.filter((d) => !isSameDay(d, triggerDate));
}
else {
if (selected?.length === max) {
// Max value reached, reset the selection to date
newDates = [triggerDate];
}
else {
// Add the date to the selection
newDates = [...newDates, triggerDate];
}
}
if (!onSelect) {
setSelected(newDates);
}
onSelect?.(newDates, triggerDate, modifiers, e);
return newDates;
};
return {
selected,
select,
isSelected
};
}
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