server.js

const chokidar = require("chokidar");
const liveServer = require("live-server");

const params = {
  port: 3000,
  host: "0.0.0.0",
  root: "dist",
  open: false,
  file: "index.html",
  wait: 100,
  logLevel: 2,
  middleware: [
    function (req, res, next) {
      next();
    },
  ],
};

const BUILD = require.resolve("./build");

async function rebuild() {
  try {
    console.log("Rebuilding...");
    delete require.cache[BUILD];
    const { buildCSS, buildDocs } = require(BUILD);
    await buildCSS();
    await buildDocs();
    console.log("Done.");
  } catch (e) {
    console.error("Build failed:", e.message);
  }
}

const watcher = chokidar.watch(["gui", "docs", "build.js"], {
  persistent: true,
  ignoreInitial: true,
});

watcher.on("change", () => rebuild());
watcher.on("add", () => rebuild());
watcher.on("unlink", () => rebuild());

rebuild().then(() => {
  liveServer.start(params);
  console.log("Server running at http://localhost:3000");
});