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// deck-it - stats panel
// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
const gib = (kb) => (kb / 1048576).toFixed(1);
const bytes = (b) => (b == null ? "?" : (b / 1073741824).toFixed(1));
const rate = (b) => (b >= 1048576 ? `${(b / 1048576).toFixed(1)}M` : `${Math.round(b / 1024)}k`);
const uptime = (s) => {
const d = Math.floor(s / 86400);
const h = Math.floor((s % 86400) / 3600);
return d ? `${d}d ${h}h` : `${h}h`;
};
function tile(label, value, sub) {
const d = document.createElement("div");
d.className = "mtile";
const l = document.createElement("span");
l.className = "mlabel";
l.textContent = label;
const v = document.createElement("span");
v.className = "mvalue num";
v.textContent = value;
const s = document.createElement("span");
s.className = "msub";
s.textContent = sub || "";
d.append(l, v, s);
return d;
}
export default {
title: "System",
interval: 1,
mount(el) {
el.innerHTML = `<div class="stats"></div>`;
},
update(st, el) {
const box = el.querySelector(".stats");
box.textContent = "";
const g = st.gpu;
box.append(
tile("CPU", `${st.cpu}%`, st.cpuTemp != null ? `${st.cpuTemp}°C` : "—"),
tile("Memory", gib(st.memUsed), `/ ${gib(st.memTotal)} GiB`),
tile("GPU", g?.temp != null ? `${g.temp}°` : "—",
g ? `${bytes(g.memUsed)} / ${bytes(g.memTotal)} GiB` : "no GPU"),
tile("Network", `↓${rate(st.net.down)}`, `↑${rate(st.net.up)}`),
);
const foot = document.createElement("div");
foot.className = "mfoot";
foot.textContent = `up ${uptime(st.uptime)}`;
box.append(foot);
},
};
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