react-day-picker
Version:
Customizable Date Picker for React
78 lines • 3.56 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.useCalendar = useCalendar;
const react_1 = require("react");
const getDates_js_1 = require("./helpers/getDates.js");
const getDays_js_1 = require("./helpers/getDays.js");
const getDisplayMonths_js_1 = require("./helpers/getDisplayMonths.js");
const getInitialMonth_js_1 = require("./helpers/getInitialMonth.js");
const getMonths_js_1 = require("./helpers/getMonths.js");
const getNavMonth_js_1 = require("./helpers/getNavMonth.js");
const getNextMonth_js_1 = require("./helpers/getNextMonth.js");
const getPreviousMonth_js_1 = require("./helpers/getPreviousMonth.js");
const getWeeks_js_1 = require("./helpers/getWeeks.js");
const useControlledValue_js_1 = require("./helpers/useControlledValue.js");
/** @private */
function useCalendar(props, dateLib) {
const [navStart, navEnd] = (0, getNavMonth_js_1.getNavMonths)(props, dateLib);
const { startOfMonth, endOfMonth } = dateLib;
const initialMonth = (0, getInitialMonth_js_1.getInitialMonth)(props, dateLib);
const [firstMonth, setFirstMonth] = (0, useControlledValue_js_1.useControlledValue)(initialMonth,
// initialMonth is always computed from props.month if provided
props.month ? initialMonth : undefined);
(0, react_1.useEffect)(() => {
const newInitialMonth = (0, getInitialMonth_js_1.getInitialMonth)(props, dateLib);
setFirstMonth(newInitialMonth);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [props.timeZone]);
/** The months displayed in the calendar. */
const displayMonths = (0, getDisplayMonths_js_1.getDisplayMonths)(firstMonth, navEnd, props, dateLib);
/** The dates displayed in the calendar. */
const dates = (0, getDates_js_1.getDates)(displayMonths, props.endMonth ? endOfMonth(props.endMonth) : undefined, props, dateLib);
/** The Months displayed in the calendar. */
const months = (0, getMonths_js_1.getMonths)(displayMonths, dates, props, dateLib);
/** The Weeks displayed in the calendar. */
const weeks = (0, getWeeks_js_1.getWeeks)(months);
/** The Days displayed in the calendar. */
const days = (0, getDays_js_1.getDays)(months);
const previousMonth = (0, getPreviousMonth_js_1.getPreviousMonth)(firstMonth, navStart, props, dateLib);
const nextMonth = (0, getNextMonth_js_1.getNextMonth)(firstMonth, navEnd, props, dateLib);
const { disableNavigation, onMonthChange } = props;
const isDayInCalendar = (day) => weeks.some((week) => week.days.some((d) => d.isEqualTo(day)));
const goToMonth = (date) => {
if (disableNavigation) {
return;
}
let newMonth = startOfMonth(date);
// if month is before start, use the first month instead
if (navStart && newMonth < startOfMonth(navStart)) {
newMonth = startOfMonth(navStart);
}
// if month is after endMonth, use the last month instead
if (navEnd && newMonth > startOfMonth(navEnd)) {
newMonth = startOfMonth(navEnd);
}
setFirstMonth(newMonth);
onMonthChange?.(newMonth);
};
const goToDay = (day) => {
// is this check necessary?
if (isDayInCalendar(day)) {
return;
}
goToMonth(day.date);
};
const calendar = {
months,
weeks,
days,
navStart,
navEnd,
previousMonth,
nextMonth,
goToMonth,
goToDay
};
return calendar;
}
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