esbuild restart express

js

import childProcess from "child_process";

let serverProcess;
const startServer = () => {
  serverProcess = childProcess.spawn("node", ["app.js"], {
    stdio: "inherit",
  });
};

const startPlugin = (hasWatch = true) => {
  return {
    name: "startPlugin",
    setup(build) {
      build.onEnd((res) => {
        if (!hasWatch) return;

        if (serverProcess) {
          serverProcess.kill("SIGINT");
          serverProcess.on("exit", () => {
            // Make sure it's dead!
            console.log("Restarting server...");
            setTimeout(() => startServer(), 50);
          });
        } else {
          startServer();
        }
      });
    },
  };
};