seam-cli 0.5.38

CLI for the SeamJS compile-time rendering framework
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

/* src/cli/core/src/dev/network.rs */

use std::time::{Duration, Instant};

use anyhow::{Result, bail};

pub(super) fn find_available_port(preferred: u16) -> Result<u16> {
	find_available_port_excluding(preferred, &[])
}

pub(super) fn find_available_port_excluding(preferred: u16, excluded: &[u16]) -> Result<u16> {
	if !excluded.contains(&preferred) && std::net::TcpListener::bind(("0.0.0.0", preferred)).is_ok() {
		return Ok(preferred);
	}
	for port in 3000..3100 {
		if port != preferred
			&& !excluded.contains(&port)
			&& std::net::TcpListener::bind(("0.0.0.0", port)).is_ok()
		{
			return Ok(port);
		}
	}
	bail!("no available port found in range 3000-3099");
}

pub(super) fn preferred_vite_port(port: Option<u16>) -> u16 {
	port.unwrap_or(5173)
}

/// Poll a TCP port until it accepts connections, or bail after timeout.
/// Tries both IPv6 (::1) and IPv4 (127.0.0.1) since Vite v7 binds IPv6-only on macOS.
pub(super) async fn wait_for_port(port: u16, timeout: Duration) -> Result<()> {
	let deadline = Instant::now() + timeout;
	loop {
		if tokio::net::TcpStream::connect(("::1", port)).await.is_ok()
			|| tokio::net::TcpStream::connect(("127.0.0.1", port)).await.is_ok()
		{
			return Ok(());
		}
		if Instant::now() >= deadline {
			bail!("timed out waiting for port {port} to become ready");
		}
		tokio::time::sleep(Duration::from_millis(100)).await;
	}
}