@dotconnor/grommet
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focus on the essential experience
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Markdown
## Calendar
A calendar of days displayed by month.
It can be used to select a single date, a range of dates, or multiple
individual dates.
[](https://storybook.grommet.io/?selectedKind=Visualizations-Calendar&full=0&stories=1&panelRight=0) [](https://codesandbox.io/s/github/grommet/grommet-sandbox?initialpath=/calendar&module=%2Fsrc%2FCalendar.js)
## Usage
```javascript
import { Calendar } from 'grommet';
<Calendar />
```
## Properties
**a11yTitle**
Custom label to be used by screen readers. When provided, an aria-label will
be added to the element.
```
string
```
**alignSelf**
How to align along the cross axis when contained in
a Box or along the column axis when contained in a Grid.
```
start
center
end
stretch
```
**gridArea**
The name of the area to place
this inside a parent Grid.
```
string
```
**margin**
The amount of margin around the component. An object can
be specified to distinguish horizontal margin, vertical margin, and
margin on a particular side.
```
none
xxsmall
xsmall
small
medium
large
xlarge
{
bottom:
xxsmall
xsmall
small
medium
large
xlarge
string,
end:
xxsmall
xsmall
small
medium
large
xlarge
string,
horizontal:
xxsmall
xsmall
small
medium
large
xlarge
string,
left:
xxsmall
xsmall
small
medium
large
xlarge
string,
right:
xxsmall
xsmall
small
medium
large
xlarge
string,
start:
xxsmall
xsmall
small
medium
large
xlarge
string,
top:
xxsmall
xsmall
small
medium
large
xlarge
string,
vertical:
xxsmall
xsmall
small
medium
large
xlarge
string
}
string
```
**activeDate**
When using range, Whether the next date selection will affect the
start or end bound of the range. Defaults to `start`.
```
start
end
```
**animate**
Whether to animate the calender as the user interacts with it. Defaults to `true`.
```
boolean
```
**bounds**
An array of two numbers indicating the limits on
navigation in ISO8601 format
```
[string]
```
**children**
Function that will be called to render each day.
It will be passed `({date, day, isInRange, isSelected})` where `date`
is a string containing an ISO8601 date for the day being rendered, `day`
is a number containing the day of the month being rendered, `isInRange`
is a boolean indicating whether the date is within a selected range of
dates, and `isSelected` is a boolean indicating whether this date
is selected.
```
function
```
**date**
The selected date in ISO8601 format
```
string
```
**dates**
Multiple selected dates in ISO8601 format.
Items that are an array indicate a range of dates.
```
[
string
[string]
]
```
**disabled**
Multiple dates in ISO8601 format that should not be
selectable. Items that are an array indicate a range of dates.
```
[
string
[string]
]
```
**daysOfWeek**
Whether to show the days of the week.
```
boolean
```
**fill**
Whether the calendar should fill the parent container.
```
boolean
```
**firstDayOfWeek**
The first day of the week. 0 for Sunday. 1 for Monday.
```
0
1
```
**header**
If specified, the entire calendar header will be managed by the caller.
The function passes the following options:
```
{
date: Date,
locale: string,
onPreviousMonth: func,
onNextMonth: func,
previousInBound: bool,
nextInBound: bool,
}
```
`onPreviousMonth` and `onNextMonth` are callbacks that will tell the
calendar to move between months.
`previousInBound` and `nextInBound` are booleans that tell, when using
`bounds`, if the current date is within that range. You can then use that
to disable the previous and next buttons.
```
function
```
**locale**
The locale to use. Defaults to `en-US`.
```
string
```
**onReference**
Called with an ISO8601 date when the user navigates to a different
month.
```
function
```
**onSelect**
Called with an ISO8601 date when
the user selects a day.
For single select, make this the subsequent `date` property value.
For multiple select or ranges, toggle values in `dates`.
Not specifying this property makes the component read only.
```
function
```
**range**
Whether to automatically manage multiple date selection as a range.
When the user clicks the first date, onSelect will be called with that
date. When the user selects another date, onSelect will be called with
an array of two dates. If range = "array", then an array of dates will
be returned even when the start or end date of the range is undefined.
```
boolean
array
```
**reference**
The date to show if `date` isn't set, in ISO8601 format
```
string
```
**showAdjacentDays**
Whether to show the days from the previous and next months.
`trim` limits adjacent days shown to rows containing days in
the current month. Defaults to `true`.
```
boolean
trim
```
**size**
What size to make it. Defaults to `medium`.
```
small
medium
large
string
```
## Intrinsic element
```
div
```
## Theme
**calendar.day.extend**
Any additional style for the day of Calendar. Expects `string | (props) => {}`.
Defaults to
```
undefined
```
**calendar.extend**
Any additional style for the Calendar. Expects `string | (props) => {}`.
Defaults to
```
undefined
```
**calendar.heading.level**
The heading level used for the calendar. Expects `number`.
Defaults to
```
4
```
**calendar.icons.next**
The icon to use for the next month navigation control. Expects `element`.
Defaults to
```
<Next />
```
**calendar.icons.previous**
The icon to use for the previous month navigation control. Expects `element`.
Defaults to
```
<Previous />
```
**calendar.icons.small.next**
The icon to use for the next month navigation control when small. Expects `element`.
Defaults to
```
<FormNext />
```
**calendar.icons.small.previous**
The icon to use for the previous month navigation control when small. Expects `element`.
Defaults to
```
<FormPrevious />
```
**calendar.large.daySize**
The size of a day when large. Expects `string`.
Defaults to
```
109.7px
```
**calendar.large.fontSize**
The font size to use for days when large. Expects `string`.
Defaults to
```
30px
```
**calendar.large.lineHeight**
The line height to use for days when large. Expects `number`.
Defaults to
```
1.11
```
**calendar.large.slideDuration**
How long it animate the slide between months when large. Expects `string`.
Defaults to
```
0.8s
```
**calendar.medium.daySize**
The size of a day when medium. Expects `string`.
Defaults to
```
54.84px
```
**calendar.medium.fontSize**
The font size to use for days when medium. Expects `string`.
Defaults to
```
18px
```
**calendar.medium.lineHeight**
The line height to use for days when medium. Expects `number`.
Defaults to
```
1.45
```
**calendar.medium.slideDuration**
How long it animate the slide between months when medium. Expects `string`.
Defaults to
```
0.5s
```
**calendar.small.daySize**
The size of a day when small. Expects `string`.
Defaults to
```
27.42px
```
**calendar.small.fontSize**
The font size to use for days when small. Expects `string`.
Defaults to
```
14px
```
**calendar.small.lineHeight**
The line height to use for days when small. Expects `number`.
Defaults to
```
1.375
```
**calendar.small.slideDuration**
How long it animate the slide between months when small. Expects `string`.
Defaults to
```
0.2s
```
**global.size.small**
The width of the calendar when small. Expects `string`.
Defaults to
```
192px
```
**global.size.medium**
The width of the calendar when medium. Expects `string`.
Defaults to
```
384px
```
**global.size.large**
The width of the calendar when large. Expects `string`.
Defaults to
```
768px
```
**global.colors.icon**
The color of a given icon. Expects `string | { dark: string, light: string }`.
Defaults to
```
{ dark: #f8f8f8, light: #666666 }
```
**global.edgeSize**
The possible sizes for margin. Expects `object`.
Defaults to
```
{
edgeSize: {
none: '0px',
hair: '1px',
xxsmall: '3px',
xsmall: '6px',
small: '12px',
medium: '24px',
large: '48px',
xlarge: '96px',
responsiveBreakpoint: 'small',
},
}
```