scripts/dev-full.mjs

import { spawn } from "node:child_process";

const children = [
  spawn(process.execPath, ["server/index.mjs"], {
    stdio: "inherit",
    env: process.env,
  }),
  spawn(process.platform === "win32" ? "npm.cmd" : "npm", ["run", "dev"], {
    stdio: "inherit",
    env: process.env,
  }),
];

let shuttingDown = false;

for (const child of children) {
  child.on("exit", (code) => {
    if (shuttingDown) return;
    shuttingDown = true;
    for (const other of children) {
      if (other !== child && !other.killed) other.kill("SIGTERM");
    }
    process.exit(code ?? 0);
  });
}

for (const signal of ["SIGINT", "SIGTERM"]) {
  process.on(signal, () => {
    shuttingDown = true;
    for (const child of children) {
      if (!child.killed) child.kill(signal);
    }
    process.exit(0);
  });
}