flatpickr
Version:
A lightweight, powerful javascript datetime picker
1,755 lines (1,482 loc) • 76.1 kB
text/typescript
/*! flatpickr v4.0.1, @license MIT */
import { Instance, FlatpickrFn, DayElement } from "types/instance";
import {
Options,
ParsedOptions,
DateLimit,
DateRangeLimit,
DateOption,
defaults as defaultOptions,
Hook,
HookKey,
} from "types/options";
import { Locale, CustomLocale, key as LocaleKey } from "types/locale";
import English from "l10n/default";
import {
arrayify,
debounce,
int,
mouseDelta,
pad,
IncrementEvent,
} from "utils";
import {
clearNode,
createElement,
createNumberInput,
findParent,
toggleClass,
} from "utils/dom";
import { compareDates, duration, monthToStr } from "utils/dates";
import {
token,
RevFormatFn,
revFormat,
tokenRegex,
formats,
} from "utils/formatting";
function FlatpickrInstance(
element: HTMLElement,
instanceConfig?: Options
): Instance {
const self = {} as Instance;
self.parseDate = parseDate;
self.formatDate = formatDate;
self._animationLoop = [];
self._handlers = [];
self._bind = bind;
self._setHoursFromDate = setHoursFromDate;
self.changeMonth = changeMonth;
self.changeYear = changeYear;
self.clear = clear;
self.close = close;
self._createElement = createElement;
self.destroy = destroy;
self.isEnabled = isEnabled;
self.jumpToDate = jumpToDate;
self.open = open;
self.redraw = redraw;
self.set = set;
self.setDate = setDate;
self.toggle = toggle;
function setupHelperFunctions() {
self.utils = {
getDaysInMonth(month = self.currentMonth, yr = self.currentYear) {
if (month === 1 && ((yr % 4 === 0 && yr % 100 !== 0) || yr % 400 === 0))
return 29;
return self.l10n.daysInMonth[month];
},
};
}
function init() {
self.element = self.input = element as HTMLInputElement;
self.isOpen = false;
parseConfig();
setupLocale();
setupInputs();
setupDates();
setupHelperFunctions();
if (!self.isMobile) build();
bindEvents();
if (self.selectedDates.length || self.config.noCalendar) {
if (self.config.enableTime) {
setHoursFromDate(
self.config.noCalendar
? self.latestSelectedDateObj || self.config.minDate
: undefined
);
}
updateValue(false);
}
self.showTimeInput =
self.selectedDates.length > 0 || self.config.noCalendar;
if (self.weekWrapper !== undefined && self.daysContainer !== undefined) {
self.calendarContainer.style.width =
self.daysContainer.offsetWidth + self.weekWrapper.offsetWidth + "px";
}
if (!self.isMobile) positionCalendar();
triggerEvent("onReady");
}
function bindToInstance<F extends Function>(fn: F): F {
return fn.bind(self);
}
/**
* The handler for all events targeting the time inputs
*/
function updateTime(
e: MouseEvent | WheelEvent | IncrementEvent | KeyboardEvent
) {
if (self.config.noCalendar && !self.selectedDates.length) {
// picking time only
self.setDate(
new Date().setHours(
self.config.defaultHour,
self.config.defaultMinute,
self.config.defaultSeconds
),
false
);
setHoursFromInputs();
updateValue();
}
timeWrapper(e);
if (self.selectedDates.length === 0) return;
if (
!self.minDateHasTime ||
e.type !== "input" ||
(e.target as HTMLInputElement).value.length >= 2
) {
setHoursFromInputs();
updateValue();
} else {
setTimeout(function() {
setHoursFromInputs();
updateValue();
}, 1000);
}
}
function ampm2military(hour: number, amPM: "AM" | "PM") {
return hour % 12 + 12 * int(amPM === "PM");
}
function military2ampm(hour: number) {
switch (hour % 24) {
case 0:
case 12:
return 12;
default:
return hour % 12;
}
}
/**
* Syncs the selected date object time with user's time input
*/
function setHoursFromInputs() {
if (self.hourElement === undefined || self.minuteElement === undefined)
return;
let hours = (parseInt(self.hourElement.value.slice(-2), 10) || 0) % 24,
minutes = (parseInt(self.minuteElement.value, 10) || 0) % 60,
seconds =
self.secondElement !== undefined
? (parseInt(self.secondElement.value, 10) || 0) % 60
: 0;
if (self.amPM !== undefined)
hours = ampm2military(hours, self.amPM.textContent as "AM" | "PM");
if (
self.config.minDate &&
self.minDateHasTime &&
self.latestSelectedDateObj &&
compareDates(self.latestSelectedDateObj, self.config.minDate) === 0
) {
hours = Math.max(hours, self.config.minDate.getHours());
if (hours === self.config.minDate.getHours())
minutes = Math.max(minutes, self.config.minDate.getMinutes());
}
if (
self.config.maxDate &&
self.maxDateHasTime &&
self.latestSelectedDateObj &&
compareDates(self.latestSelectedDateObj, self.config.maxDate) === 0
) {
hours = Math.min(hours, self.config.maxDate.getHours());
if (hours === self.config.maxDate.getHours())
minutes = Math.min(minutes, self.config.maxDate.getMinutes());
}
setHours(hours, minutes, seconds);
}
/**
* Syncs time input values with a date
*/
function setHoursFromDate(dateObj?: Date) {
const date = dateObj || self.latestSelectedDateObj;
if (date) setHours(date.getHours(), date.getMinutes(), date.getSeconds());
}
/**
* Sets the hours, minutes, and optionally seconds
* of the latest selected date object and the
* corresponding time inputs
* @param {Number} hours the hour. whether its military
* or am-pm gets inferred from config
* @param {Number} minutes the minutes
* @param {Number} seconds the seconds (optional)
*/
function setHours(hours: number, minutes: number, seconds: number) {
if (self.latestSelectedDateObj !== undefined) {
self.latestSelectedDateObj.setHours(hours % 24, minutes, seconds || 0, 0);
}
if (!self.hourElement || !self.minuteElement || self.isMobile) return;
self.hourElement.value = pad(
!self.config.time_24hr
? (12 + hours) % 12 + 12 * int(hours % 12 === 0)
: hours
);
self.minuteElement.value = pad(minutes);
if (self.amPM !== undefined)
self.amPM.textContent = hours >= 12 ? "PM" : "AM";
if (self.secondElement !== undefined)
self.secondElement.value = pad(seconds);
}
/**
* Handles the year input and incrementing events
* @param {Event} event the keyup or increment event
*/
function onYearInput(event: KeyboardEvent & IncrementEvent) {
const year =
parseInt((event.target as HTMLInputElement).value) + (event.delta || 0);
if (year.toString().length === 4 || event.key === "Enter") {
self.currentYearElement.blur();
if (!/[^\d]/.test(year.toString())) changeYear(year);
}
}
/**
* Essentially addEventListener + tracking
* @param {Element} element the element to addEventListener to
* @param {String} event the event name
* @param {Function} handler the event handler
*/
function bind<F extends EventListener, E extends Element | Window>(
element: E | E[],
event: string | string[],
handler: F
): void {
if (event instanceof Array)
return event.forEach(ev => bind(element, ev, handler));
if (element instanceof Array)
return element.forEach(el => bind(el, event, handler));
element.addEventListener(event, handler);
self._handlers.push({ element: element as Element, event, handler });
}
/**
* A mousedown handler which mimics click.
* Minimizes latency, since we don't need to wait for mouseup in most cases.
* Also, avoids handling right clicks.
*
* @param {Function} handler the event handler
*/
function onClick<E extends MouseEvent>(
handler: (e: E) => void
): (e: E) => void {
return evt => evt.which === 1 && handler(evt);
}
function triggerChange() {
triggerEvent("onChange");
}
/**
* Adds all the necessary event listeners
*/
function bindEvents(): void {
if (self.config.wrap) {
["open", "close", "toggle", "clear"].forEach(evt => {
Array.prototype.forEach.call(
self.element.querySelectorAll(`[data-${evt}]`),
(el: HTMLElement) =>
bind(el, "click", self[
evt as "open" | "close" | "toggle" | "clear"
] as EventListener)
);
});
}
if (self.isMobile) {
setupMobile();
return;
}
const debouncedResize = debounce(onResize, 50);
self._debouncedChange = debounce(triggerChange, 300);
if (self.config.mode === "range" && self.daysContainer)
bind(self.daysContainer, "mouseover", e =>
onMouseOver(e.target as DayElement)
);
bind(window.document.body, "keydown", onKeyDown);
if (!self.config.static) bind(self._input, "keydown", onKeyDown);
if (!self.config.inline && !self.config.static)
bind(window, "resize", debouncedResize);
if (window.ontouchstart !== undefined)
bind(window.document.body, "touchstart", documentClick);
bind(window.document.body, "mousedown", onClick(documentClick));
bind(self._input, "blur", documentClick);
if (self.config.clickOpens === true) {
bind(self._input, "focus", self.open);
bind(self._input, "mousedown", onClick(self.open));
}
if (self.daysContainer !== undefined) {
self.monthNav.addEventListener("wheel", e => e.preventDefault());
bind(self.monthNav, "wheel", debounce(onMonthNavScroll, 10));
bind(self.monthNav, "mousedown", onClick(onMonthNavClick));
bind(self.monthNav, ["keyup", "increment"], onYearInput);
bind(self.daysContainer, "mousedown", onClick(selectDate));
if (self.config.animate) {
bind(
self.daysContainer,
["webkitAnimationEnd", "animationend"],
animateDays
);
bind(
self.monthNav,
["webkitAnimationEnd", "animationend"],
animateMonths
);
}
}
if (
self.timeContainer !== undefined &&
self.minuteElement !== undefined &&
self.hourElement !== undefined
) {
const selText = (e: FocusEvent) =>
(e.target as HTMLInputElement).select();
bind(self.timeContainer, ["wheel", "input", "increment"], updateTime);
bind(self.timeContainer, "mousedown", onClick(timeIncrement));
bind(self.timeContainer, ["wheel", "increment"], self._debouncedChange);
bind(self.timeContainer, "input", triggerChange);
bind([self.hourElement, self.minuteElement], ["focus", "click"], selText);
if (self.secondElement !== undefined)
bind(
self.secondElement,
"focus",
() => self.secondElement && self.secondElement.select()
);
if (self.amPM !== undefined) {
bind(
self.amPM,
"mousedown",
onClick(e => {
updateTime(e);
triggerChange();
})
);
}
}
}
function processPostDayAnimation() {
self._animationLoop.forEach(f => f());
self._animationLoop = [];
}
/**
* Removes the day container that slided out of view
* @param {Event} e the animation event
*/
function animateDays(e: AnimationEvent) {
if (self.daysContainer && self.daysContainer.childNodes.length > 1) {
switch (e.animationName) {
case "fpSlideLeft":
self.daysContainer.lastChild &&
(self.daysContainer.lastChild as Element).classList.remove(
"slideLeftNew"
);
self.daysContainer.removeChild(self.daysContainer
.firstChild as Element);
self.days = self.daysContainer.firstChild as HTMLDivElement;
processPostDayAnimation();
break;
case "fpSlideRight":
self.daysContainer.firstChild &&
(self.daysContainer.firstChild as Element).classList.remove(
"slideRightNew"
);
self.daysContainer.removeChild(self.daysContainer
.lastChild as Element);
self.days = self.daysContainer.firstChild as HTMLDivElement;
processPostDayAnimation();
break;
default:
break;
}
}
}
/**
* Removes the month element that animated out of view
* @param {Event} e the animation event
*/
function animateMonths(e: AnimationEvent) {
switch (e.animationName) {
case "fpSlideLeftNew":
case "fpSlideRightNew":
self.navigationCurrentMonth.classList.remove("slideLeftNew");
self.navigationCurrentMonth.classList.remove("slideRightNew");
const nav = self.navigationCurrentMonth;
while (
nav.nextSibling &&
/curr/.test((nav.nextSibling as Element).className)
)
self.monthNav.removeChild(nav.nextSibling);
while (
nav.previousSibling &&
/curr/.test((nav.previousSibling as Element).className)
)
self.monthNav.removeChild(nav.previousSibling);
self.oldCurMonth = undefined;
break;
}
}
/**
* Set the calendar view to a particular date.
* @param {Date} jumpDate the date to set the view to
*/
function jumpToDate(jumpDate?: DateOption) {
const jumpTo =
jumpDate !== undefined
? parseDate(jumpDate)
: self.latestSelectedDateObj ||
(self.config.minDate && self.config.minDate > self.now
? self.config.minDate as Date
: self.config.maxDate && self.config.maxDate < self.now
? self.config.maxDate
: self.now);
try {
if (jumpTo !== undefined) {
self.currentYear = jumpTo.getFullYear();
self.currentMonth = jumpTo.getMonth();
}
} catch (e) {
/* istanbul ignore next */
console.error(e.stack);
/* istanbul ignore next */
console.warn("Invalid date supplied: " + jumpTo);
}
self.redraw();
}
/**
* The up/down arrow handler for time inputs
* @param {Event} e the click event
*/
function timeIncrement(e: KeyboardEvent | MouseEvent) {
if (~(e.target as Element).className.indexOf("arrow"))
incrementNumInput(
e,
(e.target as Element).classList.contains("arrowUp") ? 1 : -1
);
}
/**
* Increments/decrements the value of input associ-
* ated with the up/down arrow by dispatching an
* "increment" event on the input.
*
* @param {Event} e the click event
* @param {Number} delta the diff (usually 1 or -1)
* @param {Element} inputElem the input element
*/
function incrementNumInput(
e: KeyboardEvent | MouseEvent | undefined,
delta: number,
inputElem?: HTMLInputElement
) {
const target = e && (e.target as Element);
const input =
inputElem ||
(target && target.parentNode && target.parentNode.firstChild);
const event = createEvent("increment") as IncrementEvent;
event.delta = delta;
input && input.dispatchEvent(event);
}
function build() {
const fragment = window.document.createDocumentFragment();
self.calendarContainer = createElement<HTMLDivElement>(
"div",
"flatpickr-calendar"
);
self.calendarContainer.tabIndex = -1;
if (!self.config.noCalendar) {
fragment.appendChild(buildMonthNav());
self.innerContainer = createElement<HTMLDivElement>(
"div",
"flatpickr-innerContainer"
);
if (self.config.weekNumbers) {
const { weekWrapper, weekNumbers } = buildWeeks();
self.innerContainer.appendChild(weekWrapper);
self.weekNumbers = weekNumbers;
self.weekWrapper = weekWrapper;
}
self.rContainer = createElement<HTMLDivElement>(
"div",
"flatpickr-rContainer"
);
self.rContainer.appendChild(buildWeekdays());
if (!self.daysContainer) {
self.daysContainer = createElement<HTMLDivElement>(
"div",
"flatpickr-days"
);
self.daysContainer.tabIndex = -1;
}
buildDays();
self.rContainer.appendChild(self.daysContainer);
self.innerContainer.appendChild(self.rContainer);
fragment.appendChild(self.innerContainer);
}
if (self.config.enableTime) {
fragment.appendChild(buildTime());
}
toggleClass(
self.calendarContainer,
"rangeMode",
self.config.mode === "range"
);
toggleClass(self.calendarContainer, "animate", self.config.animate);
self.calendarContainer.appendChild(fragment);
const customAppend =
self.config.appendTo !== undefined && self.config.appendTo.nodeType;
if (self.config.inline || self.config.static) {
self.calendarContainer.classList.add(
self.config.inline ? "inline" : "static"
);
if (self.config.inline && !customAppend && self.element.parentNode) {
self.element.parentNode.insertBefore(
self.calendarContainer,
self._input.nextSibling
);
}
if (self.config.static) {
const wrapper = createElement("div", "flatpickr-wrapper");
if (self.element.parentNode)
self.element.parentNode.insertBefore(wrapper, self.element);
wrapper.appendChild(self.element);
if (self.altInput) wrapper.appendChild(self.altInput);
wrapper.appendChild(self.calendarContainer);
}
}
if (!self.config.static && !self.config.inline)
(self.config.appendTo !== undefined
? self.config.appendTo
: window.document.body
).appendChild(self.calendarContainer);
}
function createDay(
className: string,
date: Date,
dayNumber: number,
i: number
) {
const dateIsEnabled = isEnabled(date, true),
dayElement = createElement<DayElement>(
"span",
"flatpickr-day " + className,
date.getDate().toString()
);
dayElement.dateObj = date;
dayElement.$i = i;
dayElement.setAttribute(
"aria-label",
self.formatDate(date, self.config.ariaDateFormat)
);
if (compareDates(date, self.now) === 0) {
self.todayDateElem = dayElement;
dayElement.classList.add("today");
}
if (dateIsEnabled) {
dayElement.tabIndex = -1;
if (isDateSelected(date)) {
dayElement.classList.add("selected");
self.selectedDateElem = dayElement;
if (self.config.mode === "range") {
toggleClass(
dayElement,
"startRange",
self.selectedDates[0] &&
compareDates(date, self.selectedDates[0]) === 0
);
toggleClass(
dayElement,
"endRange",
self.selectedDates[1] &&
compareDates(date, self.selectedDates[1]) === 0
);
}
}
} else {
dayElement.classList.add("disabled");
if (
self.selectedDates[0] &&
self.minRangeDate &&
date > self.minRangeDate &&
date < self.selectedDates[0]
)
self.minRangeDate = date;
else if (
self.selectedDates[0] &&
self.maxRangeDate &&
date < self.maxRangeDate &&
date > self.selectedDates[0]
)
self.maxRangeDate = date;
}
if (self.config.mode === "range") {
if (isDateInRange(date) && !isDateSelected(date))
dayElement.classList.add("inRange");
if (
self.selectedDates.length === 1 &&
self.minRangeDate !== undefined &&
self.maxRangeDate !== undefined &&
(date < self.minRangeDate || date > self.maxRangeDate)
)
dayElement.classList.add("notAllowed");
}
if (
self.weekNumbers &&
className !== "prevMonthDay" &&
dayNumber % 7 === 1
) {
self.weekNumbers.insertAdjacentHTML(
"beforeend",
"<span class='disabled flatpickr-day'>" +
self.config.getWeek(date) +
"</span>"
);
}
triggerEvent("onDayCreate", dayElement);
return dayElement;
}
function focusOnDay(currentIndex: number, offset: number) {
let newIndex = currentIndex + offset || 0,
targetNode = (currentIndex !== undefined
? self.days.childNodes[newIndex]
: self.selectedDateElem ||
self.todayDateElem ||
self.days.childNodes[0]) as DayElement;
const focus = () => {
targetNode = targetNode || self.days.childNodes[newIndex];
targetNode.focus();
if (self.config.mode === "range") onMouseOver(targetNode);
};
if (targetNode === undefined && offset !== 0) {
if (offset > 0) {
self.changeMonth(1, true, undefined, true);
newIndex = newIndex % 42;
} else if (offset < 0) {
self.changeMonth(-1, true, undefined, true);
newIndex += 42;
}
return afterDayAnim(focus);
}
focus();
}
function afterDayAnim<F extends Function>(fn: F) {
self.config.animate === true ? self._animationLoop.push(fn) : fn();
}
function buildDays(delta?: number) {
if (self.daysContainer === undefined) {
return;
}
const firstOfMonth =
(new Date(self.currentYear, self.currentMonth, 1).getDay() -
self.l10n.firstDayOfWeek +
7) %
7,
isRangeMode = self.config.mode === "range";
const prevMonthDays = self.utils.getDaysInMonth(
(self.currentMonth - 1 + 12) % 12
);
const daysInMonth = self.utils.getDaysInMonth(),
days = window.document.createDocumentFragment();
let dayNumber = prevMonthDays + 1 - firstOfMonth,
dayIndex = 0;
if (self.weekNumbers && self.weekNumbers.firstChild)
self.weekNumbers.textContent = "";
if (isRangeMode) {
// const dateLimits = self.config.enable.length || self.config.disable.length || self.config.mixDate || self.config.maxDate;
self.minRangeDate = new Date(
self.currentYear,
self.currentMonth - 1,
dayNumber
);
self.maxRangeDate = new Date(
self.currentYear,
self.currentMonth + 1,
(42 - firstOfMonth) % daysInMonth
);
}
// prepend days from the ending of previous month
for (; dayNumber <= prevMonthDays; dayNumber++, dayIndex++) {
days.appendChild(
createDay(
"prevMonthDay",
new Date(self.currentYear, self.currentMonth - 1, dayNumber),
dayNumber,
dayIndex
)
);
}
// Start at 1 since there is no 0th day
for (dayNumber = 1; dayNumber <= daysInMonth; dayNumber++, dayIndex++) {
days.appendChild(
createDay(
"",
new Date(self.currentYear, self.currentMonth, dayNumber),
dayNumber,
dayIndex
)
);
}
// append days from the next month
for (
let dayNum = daysInMonth + 1;
dayNum <= 42 - firstOfMonth;
dayNum++, dayIndex++
) {
days.appendChild(
createDay(
"nextMonthDay",
new Date(
self.currentYear,
self.currentMonth + 1,
dayNum % daysInMonth
),
dayNum,
dayIndex
)
);
}
if (isRangeMode && self.selectedDates.length === 1 && days.childNodes[0]) {
self._hidePrevMonthArrow =
self._hidePrevMonthArrow ||
(!!self.minRangeDate &&
self.minRangeDate > (days.childNodes[0] as DayElement).dateObj);
self._hideNextMonthArrow =
self._hideNextMonthArrow ||
(!!self.maxRangeDate &&
self.maxRangeDate <
new Date(self.currentYear, self.currentMonth + 1, 1));
} else updateNavigationCurrentMonth();
const dayContainer = createElement<HTMLDivElement>("div", "dayContainer");
dayContainer.appendChild(days);
if (!self.config.animate || delta === undefined)
clearNode(self.daysContainer);
else {
while (self.daysContainer.childNodes.length > 1)
self.daysContainer.removeChild(self.daysContainer.firstChild as Node);
}
if (delta && delta >= 0) self.daysContainer.appendChild(dayContainer);
else
self.daysContainer.insertBefore(
dayContainer,
self.daysContainer.firstChild
);
self.days = self.daysContainer.childNodes[0] as HTMLDivElement;
}
function buildMonthNav() {
const monthNavFragment = window.document.createDocumentFragment();
self.monthNav = createElement<HTMLDivElement>("div", "flatpickr-month");
self.prevMonthNav = createElement<HTMLSpanElement>(
"span",
"flatpickr-prev-month"
);
self.prevMonthNav.innerHTML = self.config.prevArrow;
self.currentMonthElement = createElement<HTMLSpanElement>(
"span",
"cur-month"
);
self.currentMonthElement.title = self.l10n.scrollTitle;
const yearInput = createNumberInput("cur-year");
self.currentYearElement = yearInput.childNodes[0] as HTMLInputElement;
self.currentYearElement.title = self.l10n.scrollTitle;
if (self.config.minDate)
self.currentYearElement.min = self.config.minDate
.getFullYear()
.toString();
if (self.config.maxDate) {
self.currentYearElement.max = self.config.maxDate
.getFullYear()
.toString();
self.currentYearElement.disabled =
!!self.config.minDate &&
self.config.minDate.getFullYear() === self.config.maxDate.getFullYear();
}
self.nextMonthNav = createElement("span", "flatpickr-next-month");
self.nextMonthNav.innerHTML = self.config.nextArrow;
self.navigationCurrentMonth = createElement<HTMLSpanElement>(
"span",
"flatpickr-current-month"
);
self.navigationCurrentMonth.appendChild(self.currentMonthElement);
self.navigationCurrentMonth.appendChild(yearInput);
monthNavFragment.appendChild(self.prevMonthNav);
monthNavFragment.appendChild(self.navigationCurrentMonth);
monthNavFragment.appendChild(self.nextMonthNav);
self.monthNav.appendChild(monthNavFragment);
Object.defineProperty(self, "_hidePrevMonthArrow", {
get: () => self.__hidePrevMonthArrow,
set(bool: boolean) {
if (self.__hidePrevMonthArrow !== bool)
self.prevMonthNav.style.display = bool ? "none" : "block";
self.__hidePrevMonthArrow = bool;
},
});
Object.defineProperty(self, "_hideNextMonthArrow", {
get: () => self.__hideNextMonthArrow,
set(bool: boolean) {
if (self.__hideNextMonthArrow !== bool)
self.nextMonthNav.style.display = bool ? "none" : "block";
self.__hideNextMonthArrow = bool;
},
});
updateNavigationCurrentMonth();
return self.monthNav;
}
function buildTime() {
self.calendarContainer.classList.add("hasTime");
if (self.config.noCalendar)
self.calendarContainer.classList.add("noCalendar");
self.timeContainer = createElement<HTMLDivElement>("div", "flatpickr-time");
self.timeContainer.tabIndex = -1;
const separator = createElement("span", "flatpickr-time-separator", ":");
const hourInput = createNumberInput("flatpickr-hour");
self.hourElement = hourInput.childNodes[0] as HTMLInputElement;
const minuteInput = createNumberInput("flatpickr-minute");
self.minuteElement = minuteInput.childNodes[0] as HTMLInputElement;
self.hourElement.tabIndex = self.minuteElement.tabIndex = -1;
self.hourElement.value = pad(
self.latestSelectedDateObj
? self.latestSelectedDateObj.getHours()
: self.config.time_24hr
? self.config.defaultHour
: military2ampm(self.config.defaultHour)
);
self.minuteElement.value = pad(
self.latestSelectedDateObj
? self.latestSelectedDateObj.getMinutes()
: self.config.defaultMinute
);
self.hourElement.step = self.config.hourIncrement.toString();
self.minuteElement.step = self.config.minuteIncrement.toString();
self.hourElement.min = self.config.time_24hr ? "0" : "1";
self.hourElement.max = self.config.time_24hr ? "23" : "12";
self.minuteElement.min = "0";
self.minuteElement.max = "59";
self.hourElement.title = self.minuteElement.title = self.l10n.scrollTitle;
self.timeContainer.appendChild(hourInput);
self.timeContainer.appendChild(separator);
self.timeContainer.appendChild(minuteInput);
if (self.config.time_24hr) self.timeContainer.classList.add("time24hr");
if (self.config.enableSeconds) {
self.timeContainer.classList.add("hasSeconds");
const secondInput = createNumberInput("flatpickr-second");
self.secondElement = secondInput.childNodes[0] as HTMLInputElement;
self.secondElement.value = pad(
self.latestSelectedDateObj
? self.latestSelectedDateObj.getSeconds()
: self.config.defaultSeconds
);
self.secondElement.step = self.minuteElement.step;
self.secondElement.min = self.minuteElement.min;
self.secondElement.max = self.minuteElement.max;
self.timeContainer.appendChild(
createElement("span", "flatpickr-time-separator", ":")
);
self.timeContainer.appendChild(secondInput);
}
if (!self.config.time_24hr) {
// add self.amPM if appropriate
self.amPM = createElement(
"span",
"flatpickr-am-pm",
self.l10n.amPM[
int(
(self.latestSelectedDateObj
? self.hourElement.value
: self.config.defaultHour) > 11
)
]
);
self.amPM.title = self.l10n.toggleTitle;
self.amPM.tabIndex = -1;
self.timeContainer.appendChild(self.amPM);
}
return self.timeContainer;
}
function buildWeekdays() {
if (!self.weekdayContainer)
self.weekdayContainer = createElement<HTMLDivElement>(
"div",
"flatpickr-weekdays"
);
const firstDayOfWeek = self.l10n.firstDayOfWeek;
let weekdays = [...self.l10n.weekdays.shorthand];
if (firstDayOfWeek > 0 && firstDayOfWeek < weekdays.length) {
weekdays = [
...weekdays.splice(firstDayOfWeek, weekdays.length),
...weekdays.splice(0, firstDayOfWeek),
];
}
self.weekdayContainer.innerHTML = `
<span class=flatpickr-weekday>
${weekdays.join("</span><span class=flatpickr-weekday>")}
</span>
`;
return self.weekdayContainer;
}
/* istanbul ignore next */
function buildWeeks() {
self.calendarContainer.classList.add("hasWeeks");
const weekWrapper = createElement<HTMLDivElement>(
"div",
"flatpickr-weekwrapper"
);
weekWrapper.appendChild(
createElement("span", "flatpickr-weekday", self.l10n.weekAbbreviation)
);
const weekNumbers = createElement<HTMLDivElement>("div", "flatpickr-weeks");
weekWrapper.appendChild(weekNumbers);
return {
weekWrapper,
weekNumbers,
};
}
function changeMonth(
value: number,
is_offset = true,
animate = self.config.animate,
from_keyboard = false
) {
const delta = is_offset ? value : value - self.currentMonth;
if (
(delta < 0 && self._hidePrevMonthArrow) ||
(delta > 0 && self._hideNextMonthArrow)
)
return;
self.currentMonth += delta;
if (self.currentMonth < 0 || self.currentMonth > 11) {
self.currentYear += self.currentMonth > 11 ? 1 : -1;
self.currentMonth = (self.currentMonth + 12) % 12;
triggerEvent("onYearChange");
}
buildDays(animate ? delta : undefined);
if (!animate) {
triggerEvent("onMonthChange");
return updateNavigationCurrentMonth();
}
// remove possible remnants from clicking too fast
const nav = self.navigationCurrentMonth;
if (delta < 0) {
while (
nav.nextSibling &&
/curr/.test((nav.nextSibling as HTMLElement).className)
)
self.monthNav.removeChild(nav.nextSibling);
} else if (delta > 0) {
while (
nav.previousSibling &&
/curr/.test((nav.previousSibling as HTMLElement).className)
)
self.monthNav.removeChild(nav.previousSibling);
}
self.oldCurMonth = self.navigationCurrentMonth;
self.navigationCurrentMonth = self.monthNav.insertBefore(
self.oldCurMonth.cloneNode(true),
delta > 0 ? self.oldCurMonth.nextSibling : self.oldCurMonth
) as HTMLDivElement;
const daysContainer = self.daysContainer as HTMLDivElement;
if (daysContainer.firstChild && daysContainer.lastChild) {
if (delta > 0) {
(daysContainer.firstChild as Element).classList.add("slideLeft");
(daysContainer.lastChild as Element).classList.add("slideLeftNew");
self.oldCurMonth.classList.add("slideLeft");
self.navigationCurrentMonth.classList.add("slideLeftNew");
} else if (delta < 0) {
(daysContainer.firstChild as Element).classList.add("slideRightNew");
(daysContainer.lastChild as Element).classList.add("slideRight");
self.oldCurMonth.classList.add("slideRight");
self.navigationCurrentMonth.classList.add("slideRightNew");
}
}
self.currentMonthElement = self.navigationCurrentMonth
.firstChild as HTMLInputElement;
self.currentYearElement = (self.navigationCurrentMonth.lastChild as Node)
.childNodes[0] as HTMLInputElement;
updateNavigationCurrentMonth();
if (self.oldCurMonth.firstChild)
self.oldCurMonth.firstChild.textContent = monthToStr(
self.currentMonth - delta,
self.config.shorthandCurrentMonth,
self.l10n
);
triggerEvent("onMonthChange");
if (
from_keyboard &&
document.activeElement &&
(document.activeElement as DayElement).$i
) {
const index = (document.activeElement as DayElement).$i;
afterDayAnim(() => {
focusOnDay(index, 0);
});
}
}
function clear(triggerChangeEvent = true) {
self.input.value = "";
if (self.altInput) self.altInput.value = "";
if (self.mobileInput) self.mobileInput.value = "";
self.selectedDates = [];
self.latestSelectedDateObj = undefined;
self.showTimeInput = false;
self.redraw();
if (triggerChangeEvent === true)
// triggerChangeEvent is true (default) or an Event
triggerEvent("onChange");
}
function close() {
self.isOpen = false;
if (!self.isMobile) {
self.calendarContainer.classList.remove("open");
self._input.classList.remove("active");
}
triggerEvent("onClose");
}
function destroy() {
if (self.config !== undefined) triggerEvent("onDestroy");
for (let i = self._handlers.length; i--; ) {
const h = self._handlers[i];
h.element.removeEventListener(h.event, h.handler);
}
self._handlers = [];
if (self.mobileInput) {
if (self.mobileInput.parentNode)
self.mobileInput.parentNode.removeChild(self.mobileInput);
self.mobileInput = undefined;
} else if (self.calendarContainer && self.calendarContainer.parentNode)
self.calendarContainer.parentNode.removeChild(self.calendarContainer);
if (self.altInput) {
self.input.type = "text";
if (self.altInput.parentNode)
self.altInput.parentNode.removeChild(self.altInput);
delete self.altInput;
}
if (self.input) {
self.input.type = (self.input as any)._type;
self.input.classList.remove("flatpickr-input");
self.input.removeAttribute("readonly");
self.input.value = "";
}
([
"_showTimeInput",
"latestSelectedDateObj",
"_hideNextMonthArrow",
"_hidePrevMonthArrow",
"__hideNextMonthArrow",
"__hidePrevMonthArrow",
"isMobile",
"isOpen",
"selectedDateElem",
"minDateHasTime",
"maxDateHasTime",
"days",
"daysContainer",
"_input",
"_positionElement",
"innerContainer",
"rContainer",
"monthNav",
"todayDateElem",
"calendarContainer",
"weekdayContainer",
"prevMonthNav",
"nextMonthNav",
"currentMonthElement",
"currentYearElement",
"navigationCurrentMonth",
"selectedDateElem",
"config",
] as Array<keyof Instance>).forEach(k => {
try {
delete self[k as keyof Instance];
} catch (_) {}
});
}
function isCalendarElem(elem: HTMLElement) {
if (self.config.appendTo && self.config.appendTo.contains(elem))
return true;
return self.calendarContainer.contains(elem);
}
function documentClick(e: MouseEvent) {
if (self.isOpen && !self.config.inline) {
const isCalendarElement = isCalendarElem(e.target as HTMLElement);
const isInput =
e.target === self.input ||
e.target === self.altInput ||
self.element.contains(e.target as HTMLElement) ||
// web components
// e.path is not present in all browsers. circumventing typechecks
((e as any).path &&
(e as any).path.indexOf &&
(~(e as any).path.indexOf(self.input) ||
~(e as any).path.indexOf(self.altInput)));
const lostFocus =
e.type === "blur"
? isInput &&
e.relatedTarget &&
!isCalendarElem(e.relatedTarget as HTMLElement)
: !isInput && !isCalendarElement;
if (
lostFocus &&
self.config.ignoredFocusElements.indexOf(e.target as HTMLElement) === -1
) {
self.close();
if (self.config.mode === "range" && self.selectedDates.length === 1) {
self.clear(false);
self.redraw();
}
}
}
}
function changeYear(newYear: number) {
if (
!newYear ||
(self.currentYearElement.min &&
newYear < parseInt(self.currentYearElement.min)) ||
(self.currentYearElement.max &&
newYear > parseInt(self.currentYearElement.max))
)
return;
const newYearNum = newYear,
isNewYear = self.currentYear !== newYearNum;
self.currentYear = newYearNum || self.currentYear;
if (
self.config.maxDate &&
self.currentYear === self.config.maxDate.getFullYear()
) {
self.currentMonth = Math.min(
self.config.maxDate.getMonth(),
self.currentMonth
);
} else if (
self.config.minDate &&
self.currentYear === self.config.minDate.getFullYear()
) {
self.currentMonth = Math.max(
self.config.minDate.getMonth(),
self.currentMonth
);
}
if (isNewYear) {
self.redraw();
triggerEvent("onYearChange");
}
}
function isEnabled(date: DateOption, timeless: boolean = true): boolean {
const dateToCheck = self.parseDate(date, undefined, timeless); // timeless
if (
(self.config.minDate &&
dateToCheck &&
compareDates(
dateToCheck,
self.config.minDate,
timeless !== undefined ? timeless : !self.minDateHasTime
) < 0) ||
(self.config.maxDate &&
dateToCheck &&
compareDates(
dateToCheck,
self.config.maxDate,
timeless !== undefined ? timeless : !self.maxDateHasTime
) > 0)
)
return false;
if (!self.config.enable.length && !self.config.disable.length) return true;
if (dateToCheck === undefined) return false;
const bool = self.config.enable.length > 0,
array = bool ? self.config.enable : self.config.disable;
for (let i = 0, d; i < array.length; i++) {
d = array[i];
if (
typeof d === "function" &&
d(dateToCheck) // disabled by function
)
return bool;
else if (
d instanceof Date &&
dateToCheck !== undefined &&
d.getTime() === dateToCheck.getTime()
)
// disabled by date
return bool;
else if (typeof d === "string" && dateToCheck !== undefined) {
// disabled by date string
const parsed = self.parseDate(d, undefined, true);
return parsed && parsed.getTime() === dateToCheck.getTime()
? bool
: !bool;
} else if (
// disabled by range
typeof d === "object" &&
dateToCheck !== undefined &&
(d as DateRangeLimit).from &&
(d as DateRangeLimit).to &&
dateToCheck.getTime() >= (d as DateRangeLimit<Date>).from.getTime() &&
dateToCheck.getTime() <= (d as DateRangeLimit<Date>).to.getTime()
)
return bool;
}
return !bool;
}
function onKeyDown(e: KeyboardEvent) {
const isInput = e.target === self._input;
const calendarElem = isCalendarElem(e.target as HTMLElement);
const allowInput = self.config.allowInput;
const allowKeydown = self.isOpen && (!allowInput || !isInput);
const allowInlineKeydown = self.config.inline && isInput && !allowInput;
if (e.key === "Enter" && isInput) {
if (allowInput) {
self.setDate(
self._input.value,
true,
e.target === self.altInput
? self.config.altFormat
: self.config.dateFormat
);
return (e.target as HTMLElement).blur();
} else self.open();
} else if (calendarElem || allowKeydown || allowInlineKeydown) {
const isTimeObj =
!!self.timeContainer &&
self.timeContainer.contains(e.target as HTMLElement);
switch (e.key) {
case "Enter":
if (isTimeObj) updateValue();
else selectDate(e);
break;
case "Escape": // escape
e.preventDefault();
self.close();
break;
case "Backspace":
case "Delete":
if (isInput && !self.config.allowInput) self.clear();
break;
case "ArrowLeft":
case "ArrowRight":
if (!isTimeObj) {
e.preventDefault();
if (self.daysContainer) {
const delta = e.key === "ArrowRight" ? 1 : -1;
if (!e.ctrlKey) focusOnDay((e.target as DayElement).$i, delta);
else changeMonth(delta, true, undefined, true);
}
} else if (self.hourElement) self.hourElement.focus();
break;
case "ArrowUp":
case "ArrowDown":
e.preventDefault();
const delta = e.key === "ArrowDown" ? 1 : -1;
if (self.daysContainer && (e.target as DayElement).$i !== undefined) {
if (e.ctrlKey) {
changeYear(self.currentYear - delta);
focusOnDay((e.target as DayElement).$i, 0);
} else if (!isTimeObj)
focusOnDay((e.target as DayElement).$i, delta * 7);
} else if (self.config.enableTime) {
if (!isTimeObj && self.hourElement) self.hourElement.focus();
updateTime(e);
self._debouncedChange();
}
break;
case "Tab":
if (e.target === self.hourElement) {
e.preventDefault();
// can't have hour elem without minute element
(self.minuteElement as HTMLInputElement).select();
} else if (
e.target === self.minuteElement &&
(self.secondElement || self.amPM)
) {
e.preventDefault();
if (self.secondElement !== undefined) self.secondElement.focus();
else if (self.amPM !== undefined) self.amPM.focus();
} else if (e.target === self.secondElement && self.amPM) {
e.preventDefault();
self.amPM.focus();
}
break;
case "a":
if (self.amPM !== undefined && e.target === self.amPM) {
self.amPM.textContent = "AM";
setHoursFromInputs();
updateValue();
}
break;
case "p":
if (self.amPM !== undefined && e.target === self.amPM) {
self.amPM.textContent = "PM";
setHoursFromInputs();
updateValue();
}
break;
default:
break;
}
triggerEvent("onKeyDown", e);
}
}
function onMouseOver(elem: DayElement) {
if (
self.selectedDates.length !== 1 ||
!elem.classList.contains("flatpickr-day") ||
self.minRangeDate === undefined ||
self.maxRangeDate === undefined
)
return;
let hoverDate = elem.dateObj,
initialDate = self.parseDate(
self.selectedDates[0],
undefined,
true
) as Date,
rangeStartDate = Math.min(
hoverDate.getTime(),
self.selectedDates[0].getTime()
),
rangeEndDate = Math.max(
hoverDate.getTime(),
self.selectedDates[0].getTime()
),
containsDisabled = false;
for (let t = rangeStartDate; t < rangeEndDate; t += duration.DAY) {
if (!isEnabled(new Date(t))) {
containsDisabled = true;
break;
}
}
for (
let timestamp = (self.days.childNodes[0] as DayElement).dateObj.getTime(),
i = 0;
i < 42;
i++, timestamp += duration.DAY
) {
const outOfRange =
timestamp < self.minRangeDate.getTime() ||
timestamp > self.maxRangeDate.getTime(),
dayElem = self.days.childNodes[i] as DayElement;
if (outOfRange) {
dayElem.classList.add("notAllowed");
["inRange", "startRange", "endRange"].forEach(c => {
dayElem.classList.remove(c);
});
continue;
} else if (containsDisabled && !outOfRange) continue;
["startRange", "inRange", "endRange", "notAllowed"].forEach(c => {
dayElem.classList.remove(c);
});
const minRangeDate = Math.max(
self.minRangeDate.getTime(),
rangeStartDate
),
maxRangeDate = Math.min(self.maxRangeDate.getTime(), rangeEndDate);
elem.classList.add(
hoverDate < self.selectedDates[0] ? "startRange" : "endRange"
);
if (initialDate < hoverDate && timestamp === initialDate.getTime())
dayElem.classList.add("startRange");
else if (initialDate > hoverDate && timestamp === initialDate.getTime())
dayElem.classList.add("endRange");
if (timestamp >= minRangeDate && timestamp <= maxRangeDate)
dayElem.classList.add("inRange");
}
}
function onResize() {
if (self.isOpen && !self.config.static && !self.config.inline)
positionCalendar();
}
function open(e?: Event, positionElement: HTMLElement = self._input) {
if (self.isMobile) {
if (e) {
e.preventDefault();
e.target && (e.target as HTMLInputElement).blur();
}
setTimeout(() => {
self.mobileInput !== undefined && self.mobileInput.click();
}, 0);
triggerEvent("onOpen");
return;
}
if (self.isOpen || self._input.disabled || self.config.inline) return;
self.isOpen = true;
self.calendarContainer.classList.add("open");
positionCalendar(positionElement);
self._input.classList.add("active");
triggerEvent("onOpen");
}
function minMaxDateSetter(type: "min" | "max") {
return (date: DateOption) => {
const dateObj = (self.config[
`_${type}Date` as "_minDate" | "_maxDate"
] = self.parseDate(date));
const inverseDateObj =
self.config[
`_${type === "min" ? "max" : "min"}Date` as "_minDate" | "_maxDate"
];
if (dateObj !== undefined) {
self[type === "min" ? "minDateHasTime" : "maxDateHasTime"] =
(dateObj as Date).getHours() > 0 ||
(dateObj as Date).getMinutes() > 0 ||
(dateObj as Date).getSeconds() > 0;
}
if (self.selectedDates) {
self.selectedDates = self.selectedDates.filter(d => isEnabled(d));
if (!self.selectedDates.length && type === "min")
setHoursFromDate(dateObj);
updateValue();
}
if (self.daysContainer) {
redraw();
if (dateObj !== undefined)
self.currentYearElement[type] = dateObj.getFullYear().toString();
else self.currentYearElement.removeAttribute(type);
self.currentYearElement.disabled =
!!inverseDateObj &&
dateObj !== undefined &&
inverseDateObj.getFullYear() === dateObj.getFullYear();
}
};
}
function parseConfig() {
let boolOpts: Array<keyof Options> = [
"wrap",
"weekNumbers",
"allowInput",
"clickOpens",
"time_24hr",
"enableTime",
"noCalendar",
"altInput",
"shorthandCurrentMonth",
"inline",
"static",
"enableSeconds",
"disableMobile",
];
let hooks: HookKey[] = [
"onChange",
"onClose",
"onDayCreate",
"onDestroy",
"onKeyDown",
"onMonthChange",
"onOpen",
"onParseConfig",
"onReady",
"onValueUpdate",
"onYearChange",
];
self.config = {
...flatpickr.defaultConfig,
} as ParsedOptions;
const userConfig = {
...instanceConfig,
...JSON.parse(JSON.stringify(element.dataset || {})),
} as Options;
const formats = {} as Record<"dateFormat" | "altFormat", string>;
// self.config.parseDate = userConfig.parseDate;
// self.config.formatDate = userConfig.formatDate;
Object.defineProperty(self.config, "enable", {
get: () => self.config._enable || [],
set: dates => {
self.config._enable = parseDateRules(dates);
},
});
Object.defineProperty(self.config, "disable", {
get: () => self.config._disable || [],
set: dates => {
self.config._disable = parseDateRules(dates);
},
});
if (!userConfig.dateFormat && userConfig.enableTime) {
formats.dateFormat = userConfig.noCalendar
? "H:i" + (userConfig.enableSeconds ? ":S" : "")
: flatpickr.d