Scaffold monorepo dev setup

scripts/dev-services.ts

@@ -0,0 +1,68 @@
+type ChildSpec = {
+  name: string;
+  cmd: string[];
+  cwd: string;
+};
+
+type Child = {
+  name: string;
+  process: Bun.Subprocess;
+};
+
+const children: Child[] = [];
+let shuttingDown = false;
+
+const spawnChild = ({ name, cmd, cwd }: ChildSpec): void => {
+  const proc = Bun.spawn(cmd, {
+    cwd,
+    stdin: "inherit",
+    stdout: "inherit",
+    stderr: "inherit"
+  });
+
+  children.push({ name, process: proc });
+
+  proc.exited.then((code) => {
+    if (shuttingDown) {
+      return;
+    }
+
+    const exitCode = code ?? 0;
+    const statusLabel = exitCode === 0 ? "exited" : "failed";
+    console.error(`[dev-services] ${name} ${statusLabel} (${exitCode})`);
+    shutdown(exitCode);
+  });
+};
+
+const shutdown = (code: number): void => {
+  if (shuttingDown) {
+    return;
+  }
+
+  shuttingDown = true;
+
+  for (const child of children) {
+    child.process.kill();
+  }
+
+  process.exit(code);
+};
+
+process.on("SIGINT", () => shutdown(0));
+process.on("SIGTERM", () => shutdown(0));
+
+const tasks: ChildSpec[] = [
+  { name: "ingest-options", cmd: ["bun", "run", "dev"], cwd: "services/ingest-options" },
+  { name: "ingest-equities", cmd: ["bun", "run", "dev"], cwd: "services/ingest-equities" },
+  { name: "compute", cmd: ["bun", "run", "dev"], cwd: "services/compute" },
+  { name: "candles", cmd: ["bun", "run", "dev"], cwd: "services/candles" },
+  { name: "refdata", cmd: ["bun", "run", "dev"], cwd: "services/refdata" },
+  { name: "eod-enricher", cmd: ["bun", "run", "dev"], cwd: "services/eod-enricher" },
+  { name: "api", cmd: ["bun", "run", "dev"], cwd: "services/api" }
+];
+
+for (const task of tasks) {
+  spawnChild(task);
+}
+
+await new Promise(() => {});