dev.js

const express = require("express");
const { exec } = require("child_process");
const chokidar = require("chokidar");
const cors = require("cors");

let port = 3701;
const path = () => `http://localhost:${port}/addon.json`;

// Execute build command
const runBuild = () => {
  console.log("Running build...");
  exec("node build.js --dev", (error, stdout, stderr) => {
    if (error) {
      console.log(`Error: ${error.message}`);
      return;
    }
    if (stderr) {
      console.log(`stderr: ${stderr}`);
      return;
    }
    console.log(`stdout: ${stdout}`);
    console.log("Build complete.");
    // log addon.json file path and copy it to the clipboard
    console.log("addon.json file path:");
    console.log(path());
  });
};

// Run initial build
runBuild();

// Watch for file changes in the src directory
const watcher = chokidar.watch("src", {
  ignored: /(^|[\/\\])\../,
  persistent: true,
});

watcher.on("change", (path) => {
  console.log(`File ${path} has been changed. Re-running build...`);
  runBuild();
});

// Create an express application
const app = express();

// Enable all CORS requests
app.use(cors());

// Serve static files from the 'export' directory
app.use(express.static("export"));

// Start the server
function tryListen() {
  app.listen(port, () => {
    console.log("Server is running at http://localhost:" + port);

    // log addon.json file path and copy it to the clipboard
    console.log("addon.json file path:");
    console.log(path);
    // copy to clipboard
    exec(`echo ${path} | clip`);
  });
}

process.on("uncaughtException", function (err) {
  if (err.code === "EADDRINUSE") {
    console.log(`Port ${port} is already in use. Trying another port...`);
    port++;
    tryListen();
  } else {
    console.log(err);
    process.exit(1);
  }
});

tryListen();