}
end.getRange() // Gives you the same as above!
```
## Properties & Values
If you take a look at the datepicker instance, you'll notice plenty of values that you can grab and use however you'd like. Below details some helpful properties and values that are available on the picker instance.
| Property | Value |
| -------- | ----- |
| `calendar` | The calendar element. |
| `calendarContainer` | The container element that houses the calendar. Use it to [size](#sizing-the-calendar) the calendar or programmatically [check if the calendar is showing](#show--hide-gotcha). |
| `currentMonth` | A 0-index number representing the current month. For example, `0` represents January. |
| `currentMonthName` | Calendar month in plain english. E.x. `January` |
| `currentYear` | The current year. E.x. `2099` |
| `dateSelected` | The value of the selected date. This will be `undefined` if no date has been selected yet. |
| `el` | The element datepicker is relatively positioned against (unless centered). |
| `minDate` | The minimum selectable date. |
| `maxDate` | The maximum selectable date. |
| `sibling` | If two datepickers have the same `id` option then this property will be available and refer to the other instance. |
## Sizing The Calendar
You can control the size of the calendar dynamically with the `font-size` property!
Every element you see on the calendar is relatively sized in `em`'s. The calendar has a container `` with a class name of `qs-datepicker-container` and a `font-size: 1rem` style on it in the CSS. Simply override that property with inline styles set via JavaScript and watch the calendar resize! For ease, you can access the containing div via the `calendarContainer` property on each instance. For example:
```javascript
// Instantiate a datepicker instance.
const picker = datepicker('.some-class')
// Use JavaScript to change the calendar size.
picker.calendarContainer.style.setProperty('font-size', '1.5rem')
```
## Examples
Simplest usage:
```javascript
const picker = datepicker('#some-id')
```
Setting up a daterange picker:
```javascript
const start = datepicker('.start', { id: 1 })
const end = datepicker('.end', { id: 1 })
// NOTE: Any of the other options, as shown below, are valid for range pickers as well.
```
With all other options declared:
```javascript
const picker = datepicker('#some-id', {
// Event callbacks.
onSelect: instance => {
// Show which date was selected.
console.log(instance.dateSelected)
},
onShow: instance => {
console.log('Calendar showing.')
},
onHide: instance => {
console.log('Calendar hidden.')
},
onMonthChange: instance => {
// Show the month of the selected date.
console.log(instance.currentMonthName)
},
// Customizations.
formatter: (input, date, instance) => {
// This will display the date as `1/1/2019`.
input.value = date.toDateString()
},
position: 'tr', // Top right.
startDay: 1, // Calendar week starts on a Monday.
customDays: ['S', 'M', 'T', 'W', 'Th', 'F', 'S'],
customMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
customOverlayMonths: ['😀', '😂', '😎', '😍', '🤩', '😜', '😬', '😳', '🤪', '🤓 ', '😝', '😮'],
overlayButton: 'Go!',
overlayPlaceholder: 'Enter a 4-digit year',
// Settings.
alwaysShow: true, // Never hide the calendar.
dateSelected: new Date(), // Today is selected.
maxDate: new Date(2099, 0, 1), // Jan 1st, 2099.
minDate: new Date(2016, 5, 1), // June 1st, 2016.
startDate: new Date(), // This month.
showAllDates: true, // Numbers for leading & trailing days outside the current month will show.
// Disabling things.
noWeekends: true, // Saturday's and Sunday's will be unselectable.
disabler: date => (date.getDay() === 2 && date.getMonth() === 9), // Disabled every Tuesday in October
disabledDates: [new Date(2050, 0, 1), new Date(2050, 0, 3)], // Specific disabled dates.
disableMobile: true, // Conditionally disabled on mobile devices.
disableYearOverlay: true, // Clicking the year or month will *not* bring up the year overlay.
// ID - be sure to provide a 2nd picker with the same id to create a daterange pair.
id: 1
})
```
## License
### MIT
Copyright 2017 - present, Aaron Cordova
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.