lion/docs/components/input-datepicker/use-cases.md

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# Input Datepicker >> Use Cases ||20
```js script
import { html } from '@mdjs/mdjs-preview';
import { MinMaxDate, IsDateDisabled } from '@lion/ui/form-core.js';
import { loadDefaultFeedbackMessages } from '@lion/ui/validate-messages.js';
import { formatDate } from '@lion/ui/localize.js';
import '@lion/ui/define/lion-input-datepicker.js';
loadDefaultFeedbackMessages();
```
## Minimum and maximum date
Below are examples of different validators for dates.
```js preview-story
export const minimumAndMaximumDate = () => html`
<lion-input-datepicker
label="MinMaxDate"
.modelValue="${new Date('2018/05/30')}"
.validators="${[new MinMaxDate({ min: new Date('2018/05/24'), max: new Date('2018/06/24') })]}"
>
<div slot="help-text">
Enter a date between ${formatDate(new Date('2018/05/24'))} and
${formatDate(new Date('2018/06/24'))}.
</div>
</lion-input-datepicker>
`;
```
## Disable specific dates
```js preview-story
export const disableSpecificDates = () => html`
<lion-input-datepicker
label="IsDateDisabled"
help-text="You're not allowed to choose any 15th."
.modelValue="${new Date('2023/06/15')}"
.validators="${[new IsDateDisabled(d => d.getDate() === 15)]}"
></lion-input-datepicker>
`;
```
## Calendar heading
You can modify the heading of the calendar with the `.calendarHeading` property or `calendar-heading` attribute for simple values.
By default, it will take the label value.
```js preview-story
export const calendarHeading = () => html`
<lion-input-datepicker
label="Date"
.calendarHeading="${'Custom heading'}"
.modelValue="${new Date()}"
></lion-input-datepicker>
`;
```
## Disabled
You can disable datepicker inputs.
```js preview-story
export const disabled = () => html`
<lion-input-datepicker label="Disabled" disabled></lion-input-datepicker>
`;
```
## Read only
You can set datepicker inputs to `readonly`, which will prevent the user from opening the calendar popup.
```js preview-story
export const readOnly = () => html`
<lion-input-datepicker label="Readonly" readonly .modelValue="${new Date()}">
</lion-input-datepicker>
`;
```
## Faulty prefilled
Faulty prefilled input will be cleared
```js preview-story
export const faultyPrefilled = () => html`
<lion-input-datepicker label="Faulty prefiiled" .modelValue="${new Date('30/01/2022')}">
</lion-input-datepicker>
`;
```