You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: main.rs
    path of file: ./repos/tauri/examples/resources/src-tauri/src
    
    the code of the file until where you have to start completion: // Copyright 2019-2024 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT

#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]

use std::{
  io::{BufRead, BufReader},
  process::{Command, Stdio},
};
use tauri::Manager;

fn main() {
  tauri::Builder::default()
    .setup(move |app| {
      let window = app.
    
fn main() {
  tauri::Builder::default()
    .setup(move |app| {
      let window = app.get_webview_window("main").unwrap();
      let script_path = app
        .path()
        .resolve("assets/index.js", tauri::path::BaseDirectory::Resource)
        .unwrap()
        .to_string_lossy()
        .to_string();
      std::thread::spawn(move || {
        let mut child = Command::new("node")
          .args(&[script_path])
          .stdout(Stdio::piped())
          .spawn()
          .expect("Failed to spawn node");
        let stdout = child.stdout.take().unwrap();
        let mut stdout = BufReader::new(stdout);

        let mut line = String::new();
        loop {
          let n = stdout.read_line(&mut line).unwrap();
          if n == 0 {
            break;
          }

          window
            .emit("message", Some(format!("'{}'", line)))
            .expect("failed to emit event");

          line.clear();
        }
      });

      Ok(())
    })
    .run(tauri::generate_context!())
    .expect("error while running tauri application");
}