feat(client): add tag cloud component

packages/client/src/components/tag-cloud.vue

@@ -0,0 +1,80 @@
+<template>
+<div class="root">
+	<canvas :id="idForCanvas" ref="canvasEl" class="canvas" width="300" height="300"></canvas>
+	<div :id="idForTags" ref="tagsEl" class="tags">
+		<ul>
+			<slot></slot>
+		</ul>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted, ref, watch, PropType, onBeforeUnmount } from 'vue';
+import tinycolor from 'tinycolor2';
+
+const props = defineProps<{}>();
+
+const loaded = !!window.TagCanvas;
+const SAFE_FOR_HTML_ID = 'abcdefghijklmnopqrstuvwxyz';
+const computedStyle = getComputedStyle(document.documentElement);
+const idForCanvas = Array.from(Array(16)).map(() => SAFE_FOR_HTML_ID[Math.floor(Math.random() * SAFE_FOR_HTML_ID.length)]).join('');
+const idForTags = Array.from(Array(16)).map(() => SAFE_FOR_HTML_ID[Math.floor(Math.random() * SAFE_FOR_HTML_ID.length)]).join('');
+let available = $ref(false);
+let canvasEl = $ref<HTMLCanvasElement | null>(null);
+let tagsEl = $ref<HTMLElement | null>(null);
+
+watch($$(available), () => {
+	window.TagCanvas.Start(idForCanvas, idForTags, {
+		textColour: '#ffffff',
+		outlineColour: tinycolor(computedStyle.getPropertyValue('--accent')).toHexString(),
+		outlineRadius: 10,
+		initial: [-0.030, -0.010],
+		frontSelect: true,
+		imageRadius: 8,
+		//dragControl: true,
+		dragThreshold: 3,
+		wheelZoom: false,
+		reverse: true,
+		depth: 0.5,
+		maxSpeed: 0.2,
+		minSpeed: 0.003,
+		stretchX: 0.8,
+		stretchY: 0.8,
+	});
+});
+
+onMounted(() => {
+	if (loaded) {
+		available = true;
+	} else {
+		document.head.appendChild(Object.assign(document.createElement('script'), {
+			async: true,
+			src: '/client-assets/tagcanvas.min.js',
+		})).addEventListener('load', () => available = true);
+	}
+});
+
+onBeforeUnmount(() => {
+	window.TagCanvas.Delete(idForCanvas);
+});
+</script>
+
+<style lang="scss" scoped>
+.root {
+	position: relative;
+	overflow: clip;
+	display: grid;
+	place-items: center;
+
+	> .canvas {
+		display: block;
+	}
+
+	> .tags {
+		position: absolute;
+		top: 999px;
+		left: 999px;
+	}
+}
+</style>

packages/client/src/pages/admin/overview.vue

@@ -108,6 +108,17 @@
 					</div>
 				</div>
 			</div>
+			<div class="container tagCloud">
+				<div class="body">
+					<MkTagCloud v-if="activeInstances">
+						<li v-for="instance in activeInstances">
+							<a @click.prevent="onInstanceClick(instance)">
+								<img style="width: 32px;" :src="instance.iconUrl">
+							</a>
+						</li>
+					</MkTagCloud>
+				</div>
+			</div>
 			<div v-if="fedStats" class="container federationPies">
 				<div class="body">
 					<div class="chart deliver">
@@ -154,8 +165,8 @@ import XFederation from './overview.federation.vue';
 import XQueueChart from './overview.queue-chart.vue';
 import XUser from './overview.user.vue';
 import XPie from './overview.pie.vue';
-import MkInstanceStats from '@/components/instance-stats.vue';
 import MkNumberDiff from '@/components/number-diff.vue';
+import MkTagCloud from '@/components/tag-cloud.vue';
 import { version, url } from '@/config';
 import number from '@/filters/number';
 import * as os from '@/os';
@@ -197,6 +208,7 @@ let federationPubActiveDiff = $ref<number | null>(null);
 let federationSubActive = $ref<number | null>(null);
 let federationSubActiveDiff = $ref<number | null>(null);
 let newUsers = $ref(null);
+let activeInstances = $shallowRef(null);
 const queueStatsConnection = markRaw(stream.useChannel('queueStats'));
 const now = new Date();
 let chartInstance: Chart = null;
@@ -363,6 +375,10 @@ async function renderChart() {
 	});
 }
 
+function onInstanceClick(i) {
+	os.pageWindow(`/instance-info/${i.host}`);
+}
+
 onMounted(async () => {
 	/*
 	const magicGrid = new MagicGrid({
@@ -410,6 +426,13 @@ onMounted(async () => {
 		newUsers = res;
 	});
 
+	os.api('federation/instances', {
+		sort: '+lastCommunicatedAt',
+		limit: 25,
+	}).then(res => {
+		activeInstances = res;
+	});
+
 	nextTick(() => {
 		queueStatsConnection.send('requestLog', {
 			id: Math.random().toString().substr(2, 8),
@@ -577,6 +600,14 @@ definePageMetadata({
 					}
 				}
 			}
+
+			&.tagCloud {
+				> .body {
+					background: var(--panel);
+					border-radius: var(--radius);
+					overflow: clip;
+				}
+			}
 		}
 	}