chore: initialize from frontend template 4dc033c

scripts/serve-static.ts

@@ -0,0 +1,47 @@
+import { createReadStream } from "node:fs";
+import { access, stat } from "node:fs/promises";
+import { createServer } from "node:http";
+import path from "node:path";
+
+const root = path.resolve(process.argv[2] ?? "artifacts/storybook/static");
+const port = Number(process.argv[3] ?? 6006);
+const contentTypes: Readonly<Record<string, string>> = {
+  ".css": "text/css; charset=utf-8",
+  ".html": "text/html; charset=utf-8",
+  ".js": "text/javascript; charset=utf-8",
+  ".json": "application/json; charset=utf-8",
+  ".svg": "image/svg+xml",
+  ".png": "image/png",
+};
+
+await access(root);
+const server = createServer(async (request, response) => {
+  try {
+    const url = new URL(request.url ?? "/", `http://127.0.0.1:${port}`);
+    const decoded = decodeURIComponent(url.pathname);
+    const requested = path.resolve(root, `.${decoded}`);
+    if (requested !== root && !requested.startsWith(`${root}${path.sep}`)) {
+      response.writeHead(403).end();
+      return;
+    }
+    const details = await stat(requested).catch(() => null);
+    const file = details?.isDirectory()
+      ? path.join(requested, "index.html")
+      : requested;
+    await access(file);
+    response.writeHead(200, {
+      "Content-Type":
+        contentTypes[path.extname(file)] ?? "application/octet-stream",
+      "Cache-Control": "no-store",
+    });
+    createReadStream(file).pipe(response);
+  } catch {
+    response.writeHead(404).end();
+  }
+});
+server.listen(port, "127.0.0.1", () => {
+  process.stdout.write(`Static evidence server: ${root} on ${port}\n`);
+});
+for (const signal of ["SIGINT", "SIGTERM"]) {
+  process.on(signal, () => server.close(() => process.exit(0)));
+}