[@mantine/core] Add range type to DateTimePicker

docs/pages/dates/date-time-picker.mdx

@@ -17,6 +17,12 @@ read through [DatePicker](/dates/date-picker/) documentation to learn about all
 
 <Demo data={DateTimePickerDemos.withSeconds} />
 
+## Dates range
+
+Set `type="range"` to allow user to pick dates range:
+
+<Demo data={DateTimePickerDemos.range} />
+
 ## Value format
 
 Use `valueFormat` prop to change [dayjs format](https://day.js.org/docs/en/display/format) of value label:

src/mantine-dates/src/components/DatePicker/DatePicker.tsx

@@ -36,6 +36,9 @@ export interface DatePickerBaseProps<Type extends DatePickerType = 'default'>
   /** Current level displayed to the user (decade, year, month), used for controlled component */
   level?: CalendarLevel;
 
+  /** Allow same day for range selects */
+  allowSameDay?: boolean;
+
   /** Called when level changes */
   onLevelChange?: (level: CalendarLevel) => void;
 }
@@ -67,6 +70,7 @@ export const DatePicker: DatePickerComponent = factory<DatePickerFactory>((_prop
   const {
     classNames,
     styles,
+    allowSameDay,
     vars,
     type,
     defaultValue,
@@ -88,6 +92,7 @@ export const DatePicker: DatePickerComponent = factory<DatePickerFactory>((_prop
   const { onDateChange, onRootMouseLeave, onHoveredDateChange, getControlProps } = useDatesState({
     type: type as any,
     level: 'day',
+    allowSameDay,
     allowDeselect,
     allowSingleDateInRange,
     value,

src/mantine-dates/src/components/DateTimePicker/DateTimePicker.story.tsx

@@ -40,6 +40,14 @@ export function WithSeconds() {
   );
 }
 
+export function Range() {
+  return (
+    <div style={{ padding: 40, maxWidth: 400 }}>
+      <DateTimePicker placeholder="Date time picker" withSeconds type="range" />
+    </div>
+  );
+}
+
 export function MinDate() {
   return (
     <div style={{ padding: 40, maxWidth: 400 }}>

src/mantine-dates/src/components/DateTimePicker/DateTimePicker.test.tsx

@@ -20,7 +20,7 @@ import {
 import { DateTimePicker, DateTimePickerProps } from './DateTimePicker';
 import { DatesProvider } from '../DatesProvider';
 
-const defaultProps: DateTimePickerProps = {
+const defaultProps = {
   popoverProps: { withinPortal: false, transitionProps: { duration: 0 } },
   modalProps: { withinPortal: false, transitionProps: { duration: 0 } },
   timeInputProps: { 'aria-label': 'test-time-input' },
@@ -44,6 +44,7 @@ const defaultPropsWithInputProps: DateTimePickerProps = {
 };
 
 const getTimeInput = () => screen.getByLabelText('test-time-input');
+const getTimeInputs = () => screen.getAllByLabelText('test-time-input');
 const getSubmitButton = () => screen.getByLabelText('test-submit');
 const getClearButton = () => screen.queryAllByLabelText('test-clear')[0];
 
@@ -182,6 +183,32 @@ describe('@mantine/dates/DateTimePicker', () => {
     expectValue(container, '03/04/2022 14:45');
   });
 
+  it('supports uncontrolled state with range', async () => {
+    const { container } = render(
+      <DateTimePicker
+        {...defaultProps}
+        defaultValue={[new Date(2022, 3, 11), new Date(2022, 3, 12)]}
+        type="range"
+      />
+    );
+    expectValue(container, '11/04/2022 00:00 – 12/04/2022 00:00');
+
+    await clickInput(container);
+    await userEvent.click(container.querySelectorAll('table button')[6]);
+    expectValue(container, '03/04/2022 00:00 – ');
+
+    await userEvent.click(container.querySelectorAll('table button')[7]);
+    expectValue(container, '03/04/2022 00:00 – 04/04/2022 00:00');
+
+    await userEvent.clear(getTimeInputs()[0]);
+    await userEvent.type(getTimeInputs()[0], '14:45');
+    expectValue(container, '03/04/2022 14:45 – 04/04/2022 00:00');
+
+    await userEvent.clear(getTimeInputs()[1]);
+    await userEvent.type(getTimeInputs()[1], '12:35');
+    expectValue(container, '03/04/2022 14:45 – 04/04/2022 12:35');
+  });
+
   it('supports uncontrolled state with timezone', async () => {
     const { container } = render(
       <DatesProvider settings={{ timezone: 'UTC' }}>
@@ -212,6 +239,24 @@ describe('@mantine/dates/DateTimePicker', () => {
     expect(spy).toHaveBeenLastCalledWith(new Date(2022, 3, 3));
   });
 
+  it('supports controlled state with range', async () => {
+    const spy = jest.fn();
+    const { container } = render(
+      <DateTimePicker
+        {...defaultProps}
+        value={[new Date(2022, 3, 11), new Date(2022, 3, 12)]}
+        onChange={spy}
+        type="range"
+      />
+    );
+    expectValue(container, '11/04/2022 00:00 – 12/04/2022 00:00');
+
+    await clickInput(container);
+    await userEvent.click(container.querySelectorAll('table button')[6]);
+    expectValue(container, '11/04/2022 00:00 – 12/04/2022 00:00');
+    expect(spy).toHaveBeenLastCalledWith([new Date(2022, 3, 3), null]);
+  });
+
   it('supports controlled state with timezone', async () => {
     const spy = jest.fn();