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Monorepo for Aesthetic.Computer aesthetic.computer
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JavaScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220// speed.mjs — disk / USB write speed test//// Lists every block device the kernel knows about with its size, model,// and removable flag, then runs a sequential write benchmark against// three mount points (USB /mnt, internal /tmp/hd if mounted, tmpfs// /tmp). Reports MB/s for each, plus free-space usage so you can see at// a glance where the bottleneck is.//// Controls:// space / enter — re-run the benchmark// esc — back to prompt
let frame = 0;let devices = []; // [{name, sizeBytes, removable, model, vendor}]let targets = []; // [{label, path, info, result}]let running = false; // true while a run is in progresslet status = "press SPACE to test";
function fmtBytes(n) { if (!Number.isFinite(n) || n <= 0) return "—"; const units = ["B", "K", "M", "G", "T"]; let i = 0; while (n >= 1024 && i < units.length - 1) { n /= 1024; i++; } return n.toFixed(n < 10 ? 1 : 0) + units[i];}
function fmtMBps(mbps) { if (!Number.isFinite(mbps)) return "—"; return mbps.toFixed(mbps < 10 ? 2 : 1) + " MB/s";}
function scan(system) { devices = system?.blockDevices?.() || []; const candidates = [ { label: "usb /mnt (boot media)", path: "/mnt" }, { label: "hdd /tmp/hd (nvme/sata)", path: "/tmp/hd" }, { label: "ram /tmp (tmpfs)", path: "/tmp" }, ]; targets = candidates.map((c) => { const info = system?.diskInfo?.(c.path); return { ...c, info, result: null }; });}
function boot({ system, wipe }) { wipe(14, 16, 24); scan(system);}
// Build a printable test buffer of roughly `bytes` bytes. We repeat a// 1-KiB chunk so the compiler / QuickJS string interning doesn't fold// it into a single allocation.function makeBuffer(bytes) { const kChunk = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890-+" .repeat(16); // 1024 const n = Math.max(1, Math.ceil(bytes / 1024)); return kChunk.repeat(n);}
function runOne(system, target, sizeBytes) { if (!target.info) return { error: "unmounted", mbps: 0, bytes: 0, ms: 0 }; // Skip if the target's free space is too small if (target.info.available < sizeBytes + 1024 * 1024) { return { error: "low space", mbps: 0, bytes: 0, ms: 0 }; } const path = `${target.path}/.speedtest-${sizeBytes}.bin`; const buf = makeBuffer(sizeBytes); const t0 = Date.now(); const ok = system?.writeFile?.(path, buf); const dt = Math.max(1, Date.now() - t0); // Clean up so we don't leave trash behind system?.deleteFile?.(path); if (!ok) return { error: "write failed", mbps: 0, bytes: 0, ms: dt }; const mbps = (sizeBytes / (1024 * 1024)) / (dt / 1000); return { mbps, bytes: sizeBytes, ms: dt };}
async function runAll(system) { if (running) return; running = true; status = "running..."; scan(system); // Test multiple sizes and take the best (warmup effect) const sizes = [1 * 1024 * 1024, 4 * 1024 * 1024, 16 * 1024 * 1024]; for (const t of targets) { if (!t.info) { t.result = { error: "unmounted" }; continue; } let best = { mbps: 0, bytes: 0, ms: 0 }; for (const s of sizes) { const r = runOne(system, t, s); if (r.error) { best = r; break; } if (r.mbps > best.mbps) best = r; } t.result = best; status = "running " + t.label.split(" ")[0] + "..."; } status = "done — SPACE to re-run"; running = false;}
function act({ event: e, system }) { if (e.is("keyboard:down")) { const key = e.key?.toLowerCase(); if (key === "escape") { system?.jump?.("prompt"); return; } if (key === "enter" || key === " " || key === "space" || key === "r") { runAll(system); return; } }}
function paint({ wipe, ink, box, line, write, screen, system }) { const w = screen.width; const h = screen.height; wipe(14, 16, 24);
// === Title === ink(200, 220, 255); write("speed", { x: 8, y: 8, size: 2, font: "matrix" }); ink(120, 140, 170); write("disk + usb write test — space to run, esc prompt", { x: 80, y: 14, size: 1, font: "font_1" });
// === Block devices list (top third) === let y = 36; ink(160, 210, 255); write("block devices", { x: 8, y, size: 1, font: "font_1" }); y += 12; if (devices.length === 0) { ink(140, 140, 160); write("(no devices)", { x: 16, y, size: 1, font: "font_1" }); y += 10; } else { for (const d of devices) { // Row background const rem = d.removable; ink(rem ? 50 : 30, rem ? 55 : 38, rem ? 35 : 46, 200); box(8, y - 1, w - 16, 10, true); // Name + removable badge ink(rem ? 255 : 180, rem ? 210 : 210, rem ? 100 : 240); const nameCol = `${d.name}${rem ? " (removable)" : ""}`; write(nameCol, { x: 12, y, size: 1, font: "font_1" }); // Size const sz = fmtBytes(d.sizeBytes); ink(200, 220, 240); write(sz, { x: 160, y, size: 1, font: "font_1" }); // Model const model = ((d.vendor || "") + " " + (d.model || "")).trim() || "unknown"; ink(140, 160, 190); const modelX = 220; const modelMax = Math.floor((w - modelX - 8) / 6); const modelTrim = model.length > modelMax ? model.slice(0, modelMax - 1) + "." : model; write(modelTrim, { x: modelX, y, size: 1, font: "font_1" }); y += 11; } }
// === Benchmarks (middle) === y += 6; ink(160, 255, 210); write("write speed", { x: 8, y, size: 1, font: "font_1" }); y += 12;
for (const t of targets) { ink(30, 40, 50, 200); box(8, y - 1, w - 16, 22, true); // Label ink(220, 230, 250); write(t.label, { x: 12, y, size: 1, font: "font_1" }); // Info row if (t.info) { const used = t.info.total - t.info.available; const usedStr = `${fmtBytes(used)} / ${fmtBytes(t.info.total)}`; ink(140, 160, 190); write(usedStr, { x: 12, y: y + 11, size: 1, font: "font_1" }); // Bar const barX = 180; const barW = w - barX - 140; const pct = Math.max(0, Math.min(1, used / Math.max(1, t.info.total))); ink(40, 50, 65); box(barX, y + 12, barW, 6, true); ink(120, 200, 240); box(barX, y + 12, Math.max(1, Math.floor(barW * pct)), 6, true); } else { ink(255, 120, 100); write("not mounted", { x: 12, y: y + 11, size: 1, font: "font_1" }); } // Result const r = t.result; if (r) { if (r.error) { ink(255, 140, 120); write(r.error, { x: w - 128, y: y + 5, size: 1, font: "font_1" }); } else { // Color by speed: green > 50, amber > 10, red < const mbps = r.mbps; const [cr, cg, cb] = mbps > 50 ? [140, 240, 160] : mbps > 10 ? [240, 220, 140] : [240, 160, 140]; ink(cr, cg, cb); write(fmtMBps(mbps), { x: w - 128, y: y + 5, size: 1, font: "font_1" }); } } else { ink(120, 140, 170); write("—", { x: w - 128, y: y + 5, size: 1, font: "font_1" }); } y += 24; }
// === Status bar === ink(dark() ? 40 : 220, dark() ? 48 : 225, dark() ? 60 : 235); box(0, h - 14, w, 14, true); ink(running ? 255 : 180, running ? 220 : 200, running ? 100 : 180); write(status, { x: 8, y: h - 12, size: 1, font: "font_1" });}
function dark() { return true; } // always dark for this piece
function sim() { frame++; }
export { boot, act, paint, sim };