整理した

src/client/app/common/views/widgets/server.disk.vue

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+<template>
+<div class="disk">
+	<x-pie class="pie" :value="usage"/>
+	<div>
+		<p>%fa:R hdd%Storage</p>
+		<p>Total: {{ total | bytes(1) }}</p>
+		<p>Available: {{ available | bytes(1) }}</p>
+		<p>Used: {{ used | bytes(1) }}</p>
+	</div>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+import XPie from './server.pie.vue';
+
+export default Vue.extend({
+	components: {
+		XPie
+	},
+	props: ['connection'],
+	data() {
+		return {
+			usage: 0,
+			total: 0,
+			used: 0,
+			available: 0
+		};
+	},
+	mounted() {
+		this.connection.on('stats', this.onStats);
+	},
+	beforeDestroy() {
+		this.connection.off('stats', this.onStats);
+	},
+	methods: {
+		onStats(stats) {
+			stats.disk.used = stats.disk.total - stats.disk.free;
+			this.usage = stats.disk.used / stats.disk.total;
+			this.total = stats.disk.total;
+			this.used = stats.disk.used;
+			this.available = stats.disk.available;
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+.disk
+	> .pie
+		padding 10px
+		height 100px
+		float left
+
+	> div
+		float left
+		width calc(100% - 100px)
+		padding 10px 10px 10px 0
+
+		> p
+			margin 0
+			font-size 12px
+			color #505050
+
+			&:first-child
+				font-weight bold
+
+				> [data-fa]
+					margin-right 4px
+
+	&:after
+		content ""
+		display block
+		clear both
+
+</style>