Notifications system

Mantine notifications system

Source

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Package

@mantine/notifications

License

MIT

Installation

yarn add @mantine/notifications

After installation import package styles at the root of your application:

import '@mantine/core/styles.css';
// ‼️ import notifications styles after core package styles
import '@mantine/notifications/styles.css';

Add Notifications component anywhere in your application. Note that:

It is required to render Notifications component inside MantineProvider
You do not need to wrap your application with Notifications component – it is not a provider, it is a regular component
You should not render multiple Notifications components – if you do that, your notifications will be duplicated

import { MantineProvider } from '@mantine/core';
import { Notifications } from '@mantine/notifications';

function Demo() {
  return (
    <MantineProvider>
      <Notifications />
      {/* Your app here */}
    </MantineProvider>
  );
}

All set! You can now use all notifications system features.

import { Button } from '@mantine/core';
import { notifications } from '@mantine/notifications';

function Demo() {
  return (
    <Button
      onClick={() =>
        notifications.show({
          title: 'Default notification',
          message: 'Do not forget to star Mantine on GitHub! 🌟',
        })
      }
    >
      Show notification
    </Button>
  );
}

Do not forget to import styles

Followed installation instructions above but something is not working (position prop not working, notifications are stuck at the bottom)? You've fallen into the trap of not importing notifications styles! To fix the issue, import notifications styles at the root of your application:

import '@mantine/notifications/styles.css';

Functions

@mantine/notifications package exports notifications object with the following functions:

notifications.show – adds given notification to the notifications list or queue, depending on the current state and limit
notifications.hide – removes notification with given id from the notifications state and queue
notifications.update – updates notification that was previously added to the state or queue
notifications.updateState – executes given callback with current notifications state and queue as an argument and updates state with returned value
notifications.clean – removes all notifications from the notifications state and queue
notifications.cleanQueue – removes all notifications from the queue

All functions can be imported from @mantine/notifications package and can be used in any part of your application:

import { notifications } from '@mantine/notifications';

You can also import these functions separately:

// alias functions
import {
  cleanNotifications, // notifications.clean
  cleanNotificationsQueue, // notifications.cleanQueue
  hideNotification, // notifications.hide
  showNotification, // notifications.show
  updateNotification, // notifications.update
  updateNotificationsState, // notifications.updateState
} from '@mantine/notifications';

Notification props

notifications.show and notification.update functions can be called with an object that has the following properties:

id – notification id, it is used to update and remove notifications, by default id is randomly generated
position – notification position, by default the value from the position prop of the Notifications component is used
withBorder – determines whether notification should have a border
withCloseButton – determines whether the close button should be visible
onClose – calls when notification is unmounted
onOpen – calls when notification is mounted
autoClose – defines timeout in ms on which notification will be automatically closed, use false to disable auto close
message – required notification body
color, icon, title, radius, className, style, loading – props passed down to the Notification component

All properties except message are optional.

import { IconX } from '@tabler/icons-react';
import { notifications } from '@mantine/notifications';

// Bare minimum – message is required for all notifications
notifications.show({ message: 'Hello' });

// Most used notification props
notifications.show({
  id: 'hello-there',
  position: 'bottom-center',
  withCloseButton: true,
  onClose: () => console.log('unmounted'),
  onOpen: () => console.log('mounted'),
  autoClose: 5000,
  title: "You've been compromised",
  message: 'Leave the building immediately',
  color: 'red',
  icon: <IconX />,
  className: 'my-notification-class',
  style: { backgroundColor: 'red' },
  loading: false,
});

Notifications preview (message prop used as children):

We notify you that

You are now obligated to give a star to Mantine project on GitHub

With close button

With border

Color

Radius

Title

Children

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

function Demo() {
  return (
    <Notification title="We notify you that">
      You are now obligated to give a star to Mantine project on GitHub
    </Notification>
  );
}

Customize notification styles

You can use style, className or Styles API classNames, styles props to customize notification styles. Usually, it is better to override Notification styles with classNames prop in the theme object.

import { Button, Group } from '@mantine/core';
import { notifications } from '@mantine/notifications';
import classes from './Demo.module.css';

function Demo() {
  return (
    <Group justify="center">
      <Button
        onClick={() =>
          notifications.show({
            title: 'Notification with custom styles',
            message: 'It is default blue',
            classNames: classes,
          })
        }
      >
        Default notification
      </Button>

      <Button
        color="red"
        onClick={() =>
          notifications.show({
            color: 'red',
            title: 'Notification with custom styles',
            message: 'It is red',
            classNames: classes,
          })
        }
      >
        Error notification
      </Button>
    </Group>
  );
}

Notifications container position

You can define notification position in notifications.show function. Possible position values:

top-left
top-right
top-center
bottom-left
bottom-right
bottom-center

import { Button } from '@mantine/core';
import { notifications } from '@mantine/notifications';

const positions = [
  'top-left',
  'top-right',
  'bottom-left',
  'bottom-right',
  'top-center',
  'bottom-center',
] as const;

function Demo() {
  const buttons = positions.map((position) => (
    <Button
      key={position}
      onClick={() =>
        notifications.show({
          title: `Notification at ${position}`,
          message: `Notification at ${position} message`,
          position,
        })
      }
    >
      {position}
    </Button>
  ));

  return <Group>{buttons}</Group>;
}

The position can be defined on the Notifications component. In the following example, notifications will be displayed in the top right corner of the screen if position is not defined in notifications.show function:

import { Notifications } from '@mantine/notifications';

function Demo() {
  return <Notifications position="top-right" zIndex={1000} />;
}

Limit and queue

You can limit maximum number of notifications that are displayed at a time by setting limit prop on Notifications:

import { Notifications } from '@mantine/notifications';

function Demo() {
  return <Notifications limit={5} />;
}

All notifications added after the limit was reached are added to the queue and displayed when notification from current state is hidden.

import { Button } from '@mantine/core';
import { notifications } from '@mantine/notifications';

function Demo() {
  return (
    <Button
      onClick={() => {
        Array(10).fill(0).forEach((_, index) => {
          setTimeout(() => {
            notifications.show({
              title: `Notification ${index + 1}`,
              message: 'Most notifications are added to queue',
            });
          }, 200 * index);
        });
      }}
    >
      Show 10 notifications
    </Button>
  );
}

Remove notifications from state and queue

To remove specific notification from state or queue use notifications.hide function:

import { notifications } from '@mantine/notifications';

const id = notifications.show({ message: 'Hello!' });
notifications.hide(id);

Use notifications.cleanQueue function to remove all notifications from the queue and notifications.clean to remove all notifications both from the state and queue:

import { Group, Button } from '@mantine/core';
import { notifications } from '@mantine/notifications';

function Demo() {
  return (
    <Group justify="center">
      <Button
        onClick={() => {
          Array(10)
            .fill(0)
            .forEach((_, index) => {
              notifications.show({
                title: `Notification ${index + 1}`,
                message: 'Most notifications are added to queue',
                autoClose: false,
              });
            });
        }}
      >
        Show 10 notifications
      </Button>

      <Button variant="default" onClick={() => notifications.cleanQueue()}>
        Clean queue
      </Button>

      <Button variant="outline" color="red" onClick={() => notifications.clean()}>
        Clean all
      </Button>
    </Group>
  );
}

Update notification

import { Button } from '@mantine/core';
import { notifications } from '@mantine/notifications';
import { IconCheck } from '@tabler/icons-react';

function Demo() {
  return (
    <Button
      onClick={() => {
        const id = notifications.show({
          loading: true,
          title: 'Loading your data',
          message: 'Data will be loaded in 3 seconds, you cannot close this yet',
          autoClose: false,
          withCloseButton: false,
        });

        setTimeout(() => {
          notifications.update({
            id,
            color: 'teal',
            title: 'Data was loaded',
            message: 'Notification will close in 2 seconds, you can close this notification now',
            icon: <IconCheck size={18} />,
            loading: false,
            autoClose: 2000,
          });
        }, 3000);
      }}
    >
      Show update notification
    </Button>
  );
}

Auto close

You can configure auto close timeout with Notifications:

import { Notifications } from '@mantine/notifications';

// All notifications will be closed automatically in 4000ms
function Demo() {
  return <Notifications autoClose={4000} />;
}

Or per notification in notifications.show/notifications.update functions:

import { notifications } from '@mantine/notifications';

notifications.show({
  message: 'I will close in 500ms seconds',
  autoClose: 500,
});

notifications.update({
  id: 'hello',
  message: 'I will never close',
  autoClose: false,
});

notifications.show and notifications.update functions autoClose prop has higher priority.

import { Group, Button } from '@mantine/core';
import { notifications } from '@mantine/notifications';

function Demo() {
  return (
    <Group justify="center">
      <Button
        onClick={() => notifications.show({ message: 'I will close in 4 seconds' })}
      >
        Notifications Provider timeout
      </Button>

      <Button
        onClick={() =>
          notifications.show({
            message: 'I will close in 500ms',
            autoClose: 500,
          })
        }
      >
        Closes in 500ms
      </Button>

      <Button
        onClick={() =>
          notifications.show({
            color: 'blue',
            title: 'I will never close',
            message: 'unless you click X',
            autoClose: false,
          })
        }
      >
        Never closes automatically
      </Button>
    </Group>
  );
}

Subscribe to notifications state

You can subscribe to notifications state changes with useNotifications hook. The hook returns an object with notifications and queue arrays. notifications array contains all notifications that are currently displayed, queue contains notifications that are waiting to be displayed.

Notifications state

[]

Notifications queue

[]

function Demo() {
  const [counter, { increment }] = useCounter();
  const notificationsStore = useNotifications();

  const showNotification = () => {
    notifications.show({
      title: `Notification ${counter}`,
      message: 'Most notifications are added to queue',
    });

    increment();
  };

  return (
    <>
      <Button onClick={showNotification} mb="md">
        Show notification
      </Button>

      <Text>Notifications state</Text>
      <Code block>{JSON.stringify(notificationsStore.notifications, null, 2)}</Code>

      <Text mt="md">Notifications queue</Text>
      <Code block>{JSON.stringify(notificationsStore.queue, null, 2)}</Code>
    </>
  );
}

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