akiross/Cargo.toml

## Cargo.toml
[package]
name = "app"
version = "0.1.0"
description = "A Tauri App"
authors = ["you"]
license = ""
repository = ""
default-run = "app"
edition = "2021"
rust-version = "1.57"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[build-dependencies]
tauri-build = { version = "1.0.4", features = [] }

[dependencies]
serde_json = "1.0"
serde = { version = "1.0", features = ["derive"] }
tauri = { version = "1.0.5", features = ["api-all"] }
tokio = { version = "1.20.1", features = ["time"] }

[features]
# by default Tauri runs in production mode
# when `tauri dev` runs it is executed with `cargo run --no-default-features` if `devPath` is an URL
default = [ "custom-protocol" ]
# this feature is used used for production builds where `devPath` points to the filesystem
# DO NOT remove this
custom-protocol = [ "tauri/custom-protocol" ]

## index.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <h1>Welcome from Tauri!</h1>
    <div id="message"></div>
    <script>
      const invoke = window.__TAURI__.invoke;
      const listen = window.__TAURI__.event.listen;

      invoke("greet", { name: "Patrick" }).then(
        (response) => (document.getElementById("message").innerText = response)
      );

      listen("timer", (event) =>
        document.getElementById("message").innerText = "GoT tImEr EvEnt!";
      }).then((response) => console.log("Done listen"));
    </script>
  </body>
</html>

## main.rs
#![cfg_attr(
    all(not(debug_assertions), target_os = "windows"),
    windows_subsystem = "windows"
)]

use tauri::{App, Manager};
use core::time::Duration;

#[tauri::command]
fn greet(name: &str) -> String {
    format!("Hello, {}!", name)
}

#[derive(Clone, serde::Serialize)]
struct Payload {
    time: i32,
}

fn main() {
    tauri::Builder::default()
        .invoke_handler(tauri::generate_handler![greet])
        .setup(|app| {
            let ah = app.handle();
            tauri::async_runtime::spawn(async move {
                let ah = ah;
                tokio::time::sleep(Duration::from_secs(10)).await;
                println!("Ciaone!");
                ah.emit_all("timer", Payload{ time: 1 });
            });
            Ok(())
        })
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}
	[package]
	name = "app"
	version = "0.1.0"
	description = "A Tauri App"
	authors = ["you"]
	license = ""
	repository = ""
	default-run = "app"
	edition = "2021"
	rust-version = "1.57"

	# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

	[build-dependencies]
	tauri-build = { version = "1.0.4", features = [] }

	[dependencies]
	serde_json = "1.0"
	serde = { version = "1.0", features = ["derive"] }
	tauri = { version = "1.0.5", features = ["api-all"] }
	tokio = { version = "1.20.1", features = ["time"] }

	[features]
	# by default Tauri runs in production mode
	# when `tauri dev` runs it is executed with `cargo run --no-default-features` if `devPath` is an URL
	default = [ "custom-protocol" ]
	# this feature is used used for production builds where `devPath` points to the filesystem
	# DO NOT remove this
	custom-protocol = [ "tauri/custom-protocol" ]
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Document</title>
	</head>
	<body>
	<h1>Welcome from Tauri!</h1>
	<div id="message"></div>
	<script>
	const invoke = window.__TAURI__.invoke;
	const listen = window.__TAURI__.event.listen;

	invoke("greet", { name: "Patrick" }).then(
	(response) => (document.getElementById("message").innerText = response)
	);

	listen("timer", (event) =>
	document.getElementById("message").innerText = "GoT tImEr EvEnt!";
	}).then((response) => console.log("Done listen"));
	</script>
	</body>
	</html>
	#![cfg_attr(
	all(not(debug_assertions), target_os = "windows"),
	windows_subsystem = "windows"
	)]

	use tauri::{App, Manager};
	use core::time::Duration;

	#[tauri::command]
	fn greet(name: &str) -> String {
	format!("Hello, {}!", name)
	}

	#[derive(Clone, serde::Serialize)]
	struct Payload {
	time: i32,
	}

	fn main() {
	tauri::Builder::default()
	.invoke_handler(tauri::generate_handler![greet])
	.setup(\|app\| {
	let ah = app.handle();
	tauri::async_runtime::spawn(async move {
	let ah = ah;
	tokio::time::sleep(Duration::from_secs(10)).await;
	println!("Ciaone!");
	ah.emit_all("timer", Payload{ time: 1 });
	});
	Ok(())
	})
	.run(tauri::generate_context!())
	.expect("error while running tauri application");
	}