wp-calypso/client/layout/global-sidebar/footer.tsx

import { recordTracksEvent } from '@automattic/calypso-analytics';
import { recordCommandPaletteOpen } from '@automattic/command-palette/src/tracks';
import { Button } from '@automattic/components';
import { useHasEnTranslation } from '@automattic/i18n-utils';
import { useBreakpoint } from '@automattic/viewport-react';
import { LocalizeProps } from 'i18n-calypso';
import { FC } from 'react';
import AsyncLoad from 'calypso/components/async-load';
import Gravatar from 'calypso/components/gravatar';
import QuickLanguageSwitcher from 'calypso/layout/masterbar/quick-language-switcher';
import SidebarFooter from 'calypso/layout/sidebar/footer';
import { UserData } from 'calypso/lib/user/user';
import ReaderWriteIcon from 'calypso/reader/components/icons/write-icon';
import { useSelector } from 'calypso/state';
import getCurrentRoutePattern from 'calypso/state/selectors/get-current-route-pattern';
import { isSupportSession } from 'calypso/state/support/selectors';
import { GLOBAL_SIDEBAR_EVENTS } from './events';
import SidebarMenuItem from './menu-items/menu-item';
import SidebarNotifications from './menu-items/notifications';
import { SidebarSearch } from './menu-items/search';

export const GlobalSidebarFooter: FC< {
	translate: LocalizeProps[ 'translate' ];
	user?: UserData;
} > = ( { translate, user } ) => {
	const hasEnTranslation = useHasEnTranslation();
	const isInSupportSession = Boolean( useSelector( isSupportSession ) );
	const isDesktop = useBreakpoint( '>=782px' );

	const isMac = window?.navigator.userAgent && window.navigator.userAgent.indexOf( 'Mac' ) > -1;
	const searchShortcut = isMac ? '⌘ + K' : 'Ctrl + K';

	const currentRoute = useSelector( getCurrentRoutePattern ) ?? '';

	return (
		<SidebarFooter>
			<Button
				className="sidebar__footer-link sidebar__footer-write-post"
				href="/post/"
				target="_blank"
				onClick={ () => recordTracksEvent( GLOBAL_SIDEBAR_EVENTS.WRITE_POST_CLICK ) }
			>
				<ReaderWriteIcon />
				{ translate( 'Write a post' ) }
			</Button>
			<SidebarMenuItem
				url="/me"
				className="sidebar__footer-link sidebar__footer-profile"
				tooltip={ translate( 'Profile' ) }
				tooltipPlacement="top"
				onClick={ () => recordTracksEvent( GLOBAL_SIDEBAR_EVENTS.PROFILE_CLICK ) }
				icon={ <Gravatar user={ user } size={ 20 } /> }
			/>
			<AsyncLoad
				require="./menu-items/help-center/help-center"
				tooltip={ translate( 'Help' ) }
				placeholder={
					<div className="link-help">
						<span className="help"></span>
					</div>
				}
				onClick={ () => recordTracksEvent( GLOBAL_SIDEBAR_EVENTS.HELPCENTER_CLICK ) }
			/>
			{ isDesktop && (
				<>
					<SidebarSearch
						tooltip={
							hasEnTranslation( 'Command Palette (%(shortcut)s)' )
								? translate( 'Command Palette (%(shortcut)s)', {
										args: { shortcut: searchShortcut },
								  } )
								: translate( 'Jump to…' )
						}
						onClick={ () => {
							recordCommandPaletteOpen( currentRoute, 'sidebar_click' );
							recordTracksEvent( GLOBAL_SIDEBAR_EVENTS.SEARCH_CLICK );
						} }
					/>
					<SidebarNotifications
						className="sidebar__item-notifications"
						tooltip={ translate( 'Notifications' ) }
						onClick={ () => recordTracksEvent( GLOBAL_SIDEBAR_EVENTS.NOTIFICATION_CLICK ) }
					/>
				</>
			) }
			{ isInSupportSession && (
				<QuickLanguageSwitcher className="sidebar__footer-language-switcher" shouldRenderAsButton />
			) }
		</SidebarFooter>
	);
};