import { rem } from '@mantine/core';
import { createStyles } from '@mantine/emotion';

const useStyles = createStyles((theme, _, u) => ({
  wrapper: {
    maxWidth: rem(400),
    width: '100%',
    height: rem(180),
    display: 'flex',
    alignItems: 'center',
    justifyContent: 'center',
    marginLeft: 'auto',
    marginRight: 'auto',
    borderRadius: theme.radius.sm,

    // Use light and dark selectors to change styles based on color scheme
    [u.light]: {
      backgroundColor: theme.colors.gray[1],
    },

    [u.dark]: {
      backgroundColor: theme.colors.dark[5],
    },

    // Reference theme.breakpoints in smallerThan and largerThan functions
    [u.smallerThan('sm')]: {
      // Child reference in nested selectors via ref
      [`& .${u.ref('child')}`]: {
        fontSize: theme.fontSizes.xs,
      },
    },
  },

  child: {
    // Assign selector to a ref to reference it in other styles
    ref: u.ref('child'),
    padding: theme.spacing.md,
    borderRadius: theme.radius.sm,
    boxShadow: theme.shadows.md,

    [u.light]: {
      backgroundColor: theme.white,
      color: theme.black,
    },

    [u.dark]: {
      backgroundColor: theme.colors.dark[8],
      color: theme.white,
    },
  },
}));

function Demo() {
  const { classes } = useStyles();

  return (
    <div className={classes.wrapper}>
      <div className={classes.child}>createStyles demo</div>
    </div>
  );
}

import { TextInput } from '@mantine/core';
import { isEmail, useField } from '@mantine/form';

function Demo() {
  const field = useField({
    initialValue: '',
    validateOnChange: true,
    validate: isEmail('Invalid email'),
  });

  return <TextInput {...field.getInputProps()} label="Email" placeholder="Enter your email" />;
}

import { Button, Loader, TextInput } from '@mantine/core';
import { useField } from '@mantine/form';

function validateAsync(value: string): Promise<string | null> {
  return new Promise((resolve) => {
    window.setTimeout(() => {
      resolve(value === 'mantine' ? null : 'Value must be "mantine"');
    }, 800);
  });
}

function Demo() {
  const field = useField({
    initialValue: '',
    validate: validateAsync,
  });

  return (
    <>
      <TextInput
        {...field.getInputProps()}
        label="Enter 'mantine'"
        placeholder="Enter 'mantine'"
        rightSection={field.isValidating ? <Loader size={18} /> : null}
        mb="md"
      />
      <Button onClick={field.validate}>Validate async</Button>
    </>
  );
}

module.exports = {
  plugins: {
    'postcss-preset-mantine': {
      autoRem: true,
      mixins: {
        clearfix: {
          '&::after': {
            content: '""',
            display: 'table',
            clear: 'both',
          },
        },
        circle: (_mixin, size) => ({
          borderRadius: '50%',
          width: size,
          height: size,
        }),
      },
    },
    // ... Other plugins
  },
};

import { Box, useMatches } from '@mantine/core';

function Demo() {
  const color = useMatches({
    base: 'blue.9',
    sm: 'orange.9',
    lg: 'red.9',
  });

  return (
    <Box bg={color} c="white" p="xl">
      Box with color that changes based on screen size
    </Box>
  );
}

import { BarChart } from '@mantine/charts';
import { data } from './data';

function Demo() {
  return (
    <BarChart
      h={300}
      data={data}
      dataKey="month"
      valueFormatter={(value) => new Intl.NumberFormat('en-US').format(value)}
      withBarValueLabel
      series={[
        { name: 'Smartphones', color: 'violet.6' },
        { name: 'Laptops', color: 'blue.6' },
        { name: 'Tablets', color: 'teal.6' },
      ]}
    />
  );
}

import { useState } from 'react';
import { Button, Code, Text, TextInput } from '@mantine/core';
import { hasLength, isEmail, useForm } from '@mantine/form';

function Demo() {
  const form = useForm({
    mode: 'uncontrolled',
    initialValues: { name: '', email: '' },
    validate: {
      name: hasLength({ min: 3 }, 'Must be at least 3 characters'),
      email: isEmail('Invalid email'),
    },
  });

  const [submittedValues, setSubmittedValues] = useState<typeof form.values | null>(null);

  return (
    <form onSubmit={form.onSubmit(setSubmittedValues)}>
      <TextInput {...form.getInputProps('name')} label="Name" placeholder="Name" />
      <TextInput {...form.getInputProps('email')} mt="md" label="Email" placeholder="Email" />
      <Button type="submit" mt="md">
        Submit
      </Button>

      <Text mt="md">Form values:</Text>
      <Code block>{JSON.stringify(form.values, null, 2)}</Code>

      <Text mt="md">Submitted values:</Text>
      <Code block>{submittedValues ? JSON.stringify(submittedValues, null, 2) : '–'}</Code>
    </form>
  );
}

import { useForm } from '@mantine/form';

const form = useForm({
  mode: 'uncontrolled',
  initialValues: { name: 'John Doe' },
});

form.getValues(); // { name: 'John Doe' }

form.setValues({ name: 'John Smith' });
form.getValues(); // { name: 'John Smith' }

import { useForm } from '@mantine/form';

const form = useForm({
  mode: 'uncontrolled',
  initialValues: { name: 'John Doe' },
});

const handleNameChange = () => {
  form.setFieldValue('name', 'Test Name');

  // ❌ Do not use form.values to get the current form values
  // form.values has stale name value until next rerender in controlled mode
  // and is always outdated in uncontrolled mode
  console.log(form.values); // { name: 'John Doe' }

  // ✅ Use form.getValues to get the current form values
  // form.getValues always returns the latest form values
  console.log(form.getValues()); // { name: 'Test Name' }
};

import { TextInput } from '@mantine/core';
import { useForm } from '@mantine/form';

function Demo() {
  const form = useForm({
    mode: 'uncontrolled',
    initialValues: {
      name: '',
      email: '',
    },
  });

  form.watch('name', ({ previousValue, value, touched, dirty }) => {
    console.log({ previousValue, value, touched, dirty });
  });

  return (
    <div>
      <TextInput label="Name" placeholder="Name" {...form.getInputProps('name')} />
      <TextInput mt="md" label="Email" placeholder="Email" {...form.getInputProps('email')} />
    </div>
  );
}

import { Popover } from '@mantine/core';

function Demo() {
  return (
    <Popover middlewares={{ shift: { padding: 20 } }} position="bottom">
      {/* Popover content */}
    </Popover>
  );
}

import { Box, Button, Code, Group, LoadingOverlay, Text } from '@mantine/core';
import { useFetch } from '@mantine/hooks';

interface Item {
  userId: number;
  id: number;
  title: string;
  completed: boolean;
}

function Demo() {
  const { data, loading, error, refetch, abort } = useFetch<Item[]>(
    'https://jsonplaceholder.typicode.com/todos/'
  );

  return (
    <div>
      {error && <Text c="red">{error.message}</Text>}

      <Group>
        <Button onClick={refetch} color="blue">
          Refetch
        </Button>
        <Button onClick={abort} color="red">
          Abort
        </Button>
      </Group>
      <Box pos="relative" mt="md">
        <Code block>{data ? JSON.stringify(data.slice(0, 3), null, 2) : 'Fetching'}</Code>
        <LoadingOverlay visible={loading} />
      </Box>
    </div>
  );
}

import { IconPlus, IconTrash } from '@tabler/icons-react';
import { ActionIcon, Group, Table } from '@mantine/core';
import { useMap } from '@mantine/hooks';

function Demo() {
  const map = useMap([
    ['/hooks/use-media-query', 4124],
    ['/hooks/use-clipboard', 8341],
    ['/hooks/use-fetch', 9001],
  ]);

  const rows = Array.from(map.entries()).map(([key, value]) => (
    <Table.Tr key={key}>
      <Table.Td>{key}</Table.Td>
      <Table.Td>{value}</Table.Td>
      <Table.Td>
        <Group>
          <ActionIcon variant="default" onClick={() => map.set(key, value + 1)} fw={500}>
            <IconPlus stroke={1.5} size={18} />
          </ActionIcon>
          <ActionIcon variant="default" onClick={() => map.delete(key)} c="red">
            <IconTrash stroke={1.5} size={18} />
          </ActionIcon>
        </Group>
      </Table.Td>
    </Table.Tr>
  ));

  return (
    <Table layout="fixed">
      <Table.Thead>
        <Table.Tr>
          <Table.Th>Page</Table.Th>
          <Table.Th>Views last month</Table.Th>
          <Table.Th />
        </Table.Tr>
      </Table.Thead>
      <Table.Tbody>{rows}</Table.Tbody>
    </Table>
  );
}

import { useState } from 'react';
import { Code, Stack, TextInput } from '@mantine/core';
import { useSet } from '@mantine/hooks';

function Demo() {
  const [input, setInput] = useState('');
  const scopes = useSet<string>(['@mantine', '@mantine-tests', '@mantinex']);

  const isDuplicate = scopes.has(input.trim().toLowerCase());

  const items = Array.from(scopes).map((scope) => <Code key={scope}>{scope}</Code>);

  return (
    <>
      <TextInput
        label="Add new scope"
        placeholder="Enter scope"
        description="Duplicate scopes are not allowed"
        value={input}
        onChange={(event) => setInput(event.currentTarget.value)}
        error={isDuplicate && 'Scope already exists'}
        onKeyDown={(event) => {
          if (event.nativeEvent.code === 'Enter' && !isDuplicate) {
            scopes.add(input.trim().toLowerCase());
            setInput('');
          }
        }}
      />

      <Stack gap={5} align="flex-start" mt="md">
        {items}
      </Stack>
    </>
  );
}

import { useState } from 'react';
import { Loader, Text, TextInput } from '@mantine/core';
import { useDebouncedCallback } from '@mantine/hooks';

function getSearchResults(query: string): Promise<{ id: number; title: string }[]> {
  return new Promise((resolve) => {
    setTimeout(() => {
      resolve(
        query.trim() === ''
          ? []
          : Array(5)
              .fill(0)
              .map((_, index) => ({ id: index, title: `${query} ${index + 1}` }))
      );
    }, 1000);
  });
}

function Demo() {
  const [search, setSearch] = useState('');
  const [searchResults, setSearchResults] = useState<{ id: number; title: string }[]>([]);
  const [loading, setLoading] = useState(false);

  const handleSearch = useDebouncedCallback(async (query: string) => {
    setLoading(true);
    setSearchResults(await getSearchResults(query));
    setLoading(false);
  }, 500);

  const handleChange = (event: React.ChangeEvent<HTMLInputElement>) => {
    setSearch(event.currentTarget.value);
    handleSearch(event.currentTarget.value);
  };

  return (
    <>
      <TextInput
        value={search}
        onChange={handleChange}
        placeholder="Search..."
        rightSection={loading && <Loader size={20} />}
      />
      {searchResults.map((result) => (
        <Text key={result.id} size="sm">
          {result.title}
        </Text>
      ))}
    </>
  );
}

import { Text, TextInput } from '@mantine/core';
import { useThrottledState } from '@mantine/hooks';

function Demo() {
  const [throttledValue, setThrottledValue] = useThrottledState('', 1000);

  return (
    <>
      <TextInput
        placeholder="Search"
        onChange={(event) => setThrottledValue(event.currentTarget.value)}
      />
      <Text>Throttled value: {throttledValue || '–'}</Text>
    </>
  );
}

import { Text, TextInput } from '@mantine/core';
import { useThrottledValue } from '@mantine/hooks';

function Demo() {
  const [value, setValue] = useState('');
  const throttledValue = useThrottledValue(value, 1000);

  return (
    <>
      <TextInput placeholder="Search" onChange={(event) => setValue(event.currentTarget.value)} />
      <Text>Throttled value: {throttledValue || '–'}</Text>
    </>
  );
}

import { Text, TextInput } from '@mantine/core';
import { useThrottledCallback } from '@mantine/hooks';

function Demo() {
  const [throttledValue, setValue] = useState('');
  const throttledSetValue = useThrottledCallback((value) => setValue(value), 1000);

  return (
    <>
      <TextInput
        placeholder="Search"
        onChange={(event) => throttledSetValue(event.currentTarget.value)}
      />
      <Text>Throttled value: {throttledValue || '–'}</Text>
    </>
  );
}

import { Code, Text } from '@mantine/core';
import { useOrientation } from '@mantine/hooks';

function Demo() {
  const { angle, type } = useOrientation();
  return (
    <>
      <Text>
        Angle: <Code>{angle}</Code>
      </Text>
      <Text>
        Type: <Code>{type}</Code>
      </Text>
    </>
  );
}

import { useState } from 'react';
import { Button, Text } from '@mantine/core';
import { useIsFirstRender } from '@mantine/hooks';

function Demo() {
  const [counter, setCounter] = useState(0);
  const firstRender = useIsFirstRender();
  return (
    <div>
      <Text>
        Is first render:{' '}
        <Text span c={firstRender ? 'teal' : 'red'}>
          {firstRender ? 'Yes' : 'No!'}
        </Text>
      </Text>
      <Button onClick={() => setCounter((c) => c + 1)} mt="sm">
        Rerendered {counter} times, click to rerender
      </Button>
    </div>
  );
}

import { createTheme, MantineProvider, virtualColor } from '@mantine/core';

const theme = createTheme({
  colors: {
    primary: virtualColor({
      name: 'primary',
      dark: 'pink',
      light: 'cyan',
    }),
  },
});

function App() {
  return <MantineProvider theme={theme}>{/* Your app here */}</MantineProvider>;
}

import { useState } from 'react';
import {
  IconArrowDown,
  IconArrowDownLeft,
  IconArrowDownRight,
  IconArrowLeft,
  IconArrowRight,
  IconArrowUp,
  IconArrowUpLeft,
  IconArrowUpRight,
  IconCircle,
} from '@tabler/icons-react';
import { FloatingIndicator, UnstyledButton } from '@mantine/core';
import classes from './Demo.module.css';

function Demo() {
  const [rootRef, setRootRef] = useState<HTMLDivElement | null>(null);
  const [controlsRefs, setControlsRefs] = useState<Record<string, HTMLButtonElement | null>>({});
  const [active, setActive] = useState('center');

  const setControlRef = (name: string) => (node: HTMLButtonElement) => {
    controlsRefs[name] = node;
    setControlsRefs(controlsRefs);
  };

  return (
    <div className={classes.root} dir="ltr" ref={setRootRef}>
      <FloatingIndicator
        target={controlsRefs[active]}
        parent={rootRef}
        className={classes.indicator}
      />

      <div className={classes.controlsGroup}>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('up-left')}
          ref={setControlRef('up-left')}
          mod={{ active: active === 'up-left' }}
        >
          <IconArrowUpLeft size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('up')}
          ref={setControlRef('up')}
          mod={{ active: active === 'up' }}
        >
          <IconArrowUp size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('up-right')}
          ref={setControlRef('up-right')}
          mod={{ active: active === 'up-right' }}
        >
          <IconArrowUpRight size={26} stroke={1.5} />
        </UnstyledButton>
      </div>
      <div className={classes.controlsGroup}>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('left')}
          ref={setControlRef('left')}
          mod={{ active: active === 'left' }}
        >
          <IconArrowLeft size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('center')}
          ref={setControlRef('center')}
          mod={{ active: active === 'center' }}
        >
          <IconCircle size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('right')}
          ref={setControlRef('right')}
          mod={{ active: active === 'right' }}
        >
          <IconArrowRight size={26} stroke={1.5} />
        </UnstyledButton>
      </div>
      <div className={classes.controlsGroup}>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('down-left')}
          ref={setControlRef('down-left')}
          mod={{ active: active === 'down-left' }}
        >
          <IconArrowDownLeft size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('down')}
          ref={setControlRef('down')}
          mod={{ active: active === 'down' }}
        >
          <IconArrowDown size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('down-right')}
          ref={setControlRef('down-right')}
          mod={{ active: active === 'down-right' }}
        >
          <IconArrowDownRight size={26} stroke={1.5} />
        </UnstyledButton>
      </div>
    </div>
  );
}

import { useState } from 'react';
import {
  IconArrowDown,
  IconArrowDownLeft,
  IconArrowDownRight,
  IconArrowLeft,
  IconArrowRight,
  IconArrowUp,
  IconArrowUpLeft,
  IconArrowUpRight,
  IconCircle,
} from '@tabler/icons-react';
import { FloatingIndicator, UnstyledButton } from '@mantine/core';
import classes from './Demo.module.css';

function Demo() {
  const [rootRef, setRootRef] = useState<HTMLDivElement | null>(null);
  const [controlsRefs, setControlsRefs] = useState<Record<string, HTMLButtonElement | null>>({});
  const [active, setActive] = useState('center');

  const setControlRef = (name: string) => (node: HTMLButtonElement) => {
    controlsRefs[name] = node;
    setControlsRefs(controlsRefs);
  };

  return (
    <div className={classes.root} dir="ltr" ref={setRootRef}>
      <FloatingIndicator
        target={controlsRefs[active]}
        parent={rootRef}
        className={classes.indicator}
      />

      <div className={classes.controlsGroup}>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('up-left')}
          ref={setControlRef('up-left')}
          mod={{ active: active === 'up-left' }}
        >
          <IconArrowUpLeft size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('up')}
          ref={setControlRef('up')}
          mod={{ active: active === 'up' }}
        >
          <IconArrowUp size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('up-right')}
          ref={setControlRef('up-right')}
          mod={{ active: active === 'up-right' }}
        >
          <IconArrowUpRight size={26} stroke={1.5} />
        </UnstyledButton>
      </div>
      <div className={classes.controlsGroup}>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('left')}
          ref={setControlRef('left')}
          mod={{ active: active === 'left' }}
        >
          <IconArrowLeft size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('center')}
          ref={setControlRef('center')}
          mod={{ active: active === 'center' }}
        >
          <IconCircle size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('right')}
          ref={setControlRef('right')}
          mod={{ active: active === 'right' }}
        >
          <IconArrowRight size={26} stroke={1.5} />
        </UnstyledButton>
      </div>
      <div className={classes.controlsGroup}>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('down-left')}
          ref={setControlRef('down-left')}
          mod={{ active: active === 'down-left' }}
        >
          <IconArrowDownLeft size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('down')}
          ref={setControlRef('down')}
          mod={{ active: active === 'down' }}
        >
          <IconArrowDown size={26} stroke={1.5} />
        </UnstyledButton>
        <UnstyledButton
          className={classes.control}
          onClick={() => setActive('down-right')}
          ref={setControlRef('down-right')}
          mod={{ active: active === 'down-right' }}
        >
          <IconArrowDownRight size={26} stroke={1.5} />
        </UnstyledButton>
      </div>
    </div>
  );
}

import { colorsTuple, createTheme } from '@mantine/core';

const theme = createTheme({
  colors: {
    custom: colorsTuple('#FFC0CB'),
    dynamic: colorsTuple(Array.from({ length: 10 }, (_, index) => '#FFC0CB')),
  },
});

import { useState } from 'react';
import { Kbd, Text } from '@mantine/core';
import { useMutationObserver } from '@mantine/hooks';

function Demo() {
  const [lastMutation, setLastMutation] = useState('');

  useMutationObserver(
    (mutations) => {
      mutations.forEach((mutation) => {
        if (mutation.type === 'attributes' && mutation.attributeName === 'dir') {
          mutation.target instanceof HTMLElement &&
            setLastMutation(mutation.target.getAttribute('dir') || '');
        }
      });
    },
    {
      attributes: true,
      attributeFilter: ['dir'],
    },
    () => document.documentElement
  );

  return (
    <>
      <Text>
        Press <Kbd>Ctrl</Kbd> + <Kbd>Shift</Kbd> + <Kbd>L</Kbd> to change direction
      </Text>

      <Text mt={10}>Direction was changed to: {lastMutation || 'Not changed yet'}</Text>
    </>
  );
}

import { Button, Code, Group, Text } from '@mantine/core';
import { useStateHistory } from '@mantine/hooks';

function Demo() {
  const [value, handlers, history] = useStateHistory(1);
  return (
    <>
      <Text>Current value: {value}</Text>
      <Group my="md">
        <Button onClick={() => handlers.set(Math.ceil(Math.random() * 100) + 1)}>Set value</Button>
        <Button onClick={() => handlers.back()}>Back</Button>
        <Button onClick={() => handlers.forward()}>Forward</Button>
      </Group>
      <Code block>{JSON.stringify(history, null, 2)}</Code>
    </>
  );
}

import { AreaChart } from '@mantine/charts';
import { data } from './data';

function Demo() {
  return (
    <AreaChart
      h={300}
      data={data}
      dataKey="date"
      type="stacked"
      xAxisLabel="Date"
      yAxisLabel="Amount"
      series={[
        { name: 'Apples', color: 'indigo.6' },
        { name: 'Oranges', color: 'blue.6' },
        { name: 'Tomatoes', color: 'teal.6' },
      ]}
    />
  );
}