yaak-mountain-loop/scripts/run-dev.mjs

#!/usr/bin/env node

/**
 * Script to run Tauri dev server with dynamic port configuration.
 * Loads port from .env.local if present, otherwise uses default port 1420.
 */

import { spawnSync } from "child_process";
import fs from "fs";
import path from "path";
import { fileURLToPath } from "url";

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const rootDir = path.join(__dirname, "..");

// Load .env.local if it exists
const envLocalPath = path.join(rootDir, ".env.local");
if (fs.existsSync(envLocalPath)) {
  const envContent = fs.readFileSync(envLocalPath, "utf8");
  const envVars = envContent
    .split("\n")
    .filter((line) => line && !line.startsWith("#"))
    .reduce((acc, line) => {
      const [key, value] = line.split("=");
      if (key && value) {
        acc[key.trim()] = value.trim();
      }
      return acc;
    }, {});

  Object.assign(process.env, envVars);
}

const port = process.env.YAAK_DEV_PORT || "1420";
const config = JSON.stringify({ build: { devUrl: `http://localhost:${port}` } });

// Get additional arguments passed after npm run app-dev --
const additionalArgs = process.argv.slice(2);

const args = [
  "dev",
  "--no-watch",
  "--config",
  "crates-tauri/yaak-app/tauri.development.conf.json",
  "--config",
  config,
  ...additionalArgs,
];

// Invoke the tauri CLI JS entry point directly via node to avoid shell escaping issues on Windows
const tauriJs = path.join(rootDir, "node_modules", "@tauri-apps", "cli", "tauri.js");

const result = spawnSync(process.execPath, [tauriJs, ...args], {
  stdio: "inherit",
  env: process.env,
});

process.exit(result.status || 0);