Initial commit

backend/scripts/demo.js

@@ -0,0 +1,29 @@
+const path = require("path");
+const { spawn } = require("child_process");
+
+const run = (command, args) =>
+  new Promise((resolve, reject) => {
+    const child = spawn(command, args, { stdio: "inherit" });
+    child.on("close", (code) => {
+      if (code === 0) {
+        resolve();
+        return;
+      }
+      reject(new Error(`Command failed: ${command} ${args.join(" ")}`));
+    });
+  });
+
+const start = async () => {
+  const seedPath = path.join(__dirname, "seed.js");
+  const serverPath = path.join(__dirname, "..", "server.js");
+
+  await run("node", [seedPath]);
+
+  const server = spawn("node", [serverPath], { stdio: "inherit" });
+  server.on("close", (code) => process.exit(code ?? 0));
+};
+
+start().catch((error) => {
+  console.error("Demo failed", error);
+  process.exit(1);
+});