Provisioning and recipes

await sdk.registerNanoServiceWorker({ swUrl: "/nano-sw.js", reloadIfUncontrolled: false });
if (!navigator.serviceWorker.controller) await new Promise((r) => navigator.serviceWorker.addEventListener("controllerchange", r, { once: true }));
const Native = globalThis.Worker;
let workerUrl, workerOpts;
globalThis.Worker = class extends Native { constructor(u, o) { workerUrl = u; workerOpts = o; super(u, o); } };
try { (await sdk.createNanoWorker({ image: { wasm: "/nano/console.wasm" }, ramMB: 256, warmup: false })).destroy(); } finally { globalThis.Worker = Native; }

const app = await sdk.provision(new sdk.Catalog(), "node", {
  wasm: await (await fetch("/nano/nano.wasm")).arrayBuffer(),
  swUrl: "/nano-sw.js",
  workerFactory: () => new Worker(workerUrl, workerOpts),
  extraApps: ["busybox"],
  onProgress: (m) => print("[provision]", m),
});
print((await app.evalCode("console.log('eval:', process.version, process.arch)")).stdout.trim());
const r = await app.run("/work/main.js", {
  extraFiles: [
    { path: "/work/main.js", content: "console.log('run:', require('fs').readFileSync('/work/in.txt', 'utf8'))" },
    { path: "/work/in.txt", content: "per-run input" },
  ],
});
print(r.stdout.trim(), "| exit", r.exitCode);
print("sh:", (await app.sh("uname -m")).stdout.trim());
globalThis.__provisioned = app;

const app = globalThis.__provisioned;
if (!app) throw new Error("run the provision sample above first");
let up;
const listening = new Promise((r) => (up = r));
const srv = await app.serve("/work/server.js", {
  port: 3000,
  extraFiles: [{ path: "/work/server.js", content: "require('http').createServer((q, r) => r.end('<h1>provisioned server</h1>')).listen(3000, () => console.log('listening on 3000'))" }],
  onListening: () => up(),
});
await listening;
const frame = Object.assign(document.createElement("iframe"), { hidden: true, src: await srv.url("/") });
const loaded = new Promise((r) => (frame.onload = r));
document.body.append(frame);
await loaded;
print(await srv.url("/"), "→", frame.contentDocument.body.textContent);
frame.remove();
print("while serving:", await app.evalCode("1").then(() => "ran", (e) => e.message.slice(0, 32)));
srv.stop();
await srv.done.catch(() => {});
app.client.destroy();
delete globalThis.__provisioned;