deemixer/src/js/components/TheSidebar.vue

<template>
	<aside id="sidebar" role="navigation">
		<span id="main_home_tablink" class="main_tablinks" role="link" aria-label="home">
			<i class="material-icons side_icon">home</i>
			<span class="main_tablinks_text">Home</span>
		</span>
		<span id="main_search_tablink" class="main_tablinks" role="link" aria-label="search">
			<i class="material-icons side_icon">search</i>
			<span class="main_tablinks_text">Search</span>
		</span>
		<span id="main_charts_tablink" class="main_tablinks" role="link" aria-label="charts">
			<i class="material-icons side_icon">bubble_chart</i>
			<span class="main_tablinks_text">Charts</span>
		</span>
		<span id="main_favorites_tablink" class="main_tablinks" role="link" aria-label="favorites">
			<i class="material-icons side_icon">album</i>
			<span class="main_tablinks_text">Favorites</span>
		</span>
		<span id="main_analyzer_tablink" class="main_tablinks" role="link" aria-label="link analyzer">
			<i class="material-icons side_icon">link</i>
			<span class="main_tablinks_text">Link Analyzer</span>
		</span>
		<span id="main_settings_tablink" class="main_tablinks" role="link" aria-label="settings">
			<i class="material-icons side_icon">settings</i>
			<span class="main_tablinks_text">Settings</span>
		</span>
		<span id="main_about_tablink" class="main_tablinks" role="link" aria-label="info">
			<i class="material-icons side_icon">info</i>
			<span class="main_tablinks_text">About</span>
		</span>
		<span id="theme_selector" class="main_tablinks" role="link" aria-label="theme selector">
			<i class="material-icons side_icon side_icon--theme">palette</i>
			<div id="theme_togglers">
				<div class="theme_toggler" data-theme-variant="purple"></div>
				<div class="theme_toggler" data-theme-variant="dark"></div>
				<div class="theme_toggler theme_toggler--active" data-theme-variant="light"></div>
			</div>
		</span>
		<div id="network-status" :class="{ online: appOnline, offline: !appOnline }">
			<i v-if="appOnline" class="material-icons">wifi</i>
			<i v-else class="material-icons">
				<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
					<path d="M24 .01c0-.01 0-.01 0 0L0 0v24h24V.01zM0 0h24v24H0V0zm0 0h24v24H0V0z" fill="none" />
					<path
						d="M22.99 9C19.15 5.16 13.8 3.76 8.84 4.78l2.52 2.52c3.47-.17 6.99 1.05 9.63 3.7l2-2zm-4 4c-1.29-1.29-2.84-2.13-4.49-2.56l3.53 3.53.96-.97zM2 3.05L5.07 6.1C3.6 6.82 2.22 7.78 1 9l1.99 2c1.24-1.24 2.67-2.16 4.2-2.77l2.24 2.24C7.81 10.89 6.27 11.73 5 13v.01L6.99 15c1.36-1.36 3.14-2.04 4.92-2.06L18.98 20l1.27-1.26L3.29 1.79 2 3.05zM9 17l3 3 3-3c-1.65-1.66-4.34-1.66-6 0z"
					/>
				</svg>
			</i>
		</div>
	</aside>
</template>

<script>
export default {
	name: 'the-sidebar',
	data() {
		return {
			appOnline: null
		}
	},
	mounted() {
		this.appOnline = navigator.onLine

		window.addEventListener('online', () => {
			this.appOnline = true
		})

		window.addEventListener('offline', () => {
			this.appOnline = false
		})
	}
}
</script>

<style>
#network-status {
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	margin-top: auto;
	bottom: 0;
}

#network-status.online i.material-icons {
	color: hsl(151, 100%, 31%);
}

#network-status.offline i.material-icons svg {
	fill: red;
	width: 1em;
	height: 1em;
}
</style>