public static void Main(string[] args)
{
if (!CommandLine.Arguments.TryGetOptions(args, true, out string mode, out ushort port, out bool https))
{
return;
}
if (mode == "kill")
{
Console.WriteLine($"Killing process serving port {port}...");
PidUtils.KillPort(port, true, true);
return;
}
CreateHostBuilder(args).Build().Run();
}
public void KillPort_8080_KillsVueServe()
{
bool success = PidUtils.KillPort(8080, true, true);
Assert.IsTrue(success);
}
private static async Task <VueCliServerInfo> StartVueCliServerAsync(
string sourcePath, string npmScriptName, ILogger logger)
{
var portNumber = 8080;//default port for vue cli: 8080
if (portNumber < 80)
{
portNumber = TcpPortFinder.FindAvailablePort();
}
else
{
// if the port we want to use is occupied, terminate the process utilizing that port.
// this occurs when "stop" is used from the debugger and the middleware does not have the opportunity to kill the process
PidUtils.KillPort((ushort)portNumber);
}
logger.LogInformation($"Starting @Vue/cli on port {portNumber}...");
var envVars = new Dictionary <string, string>
{
{ "PORT", portNumber.ToString() },
{ "DEV_SERVER_PORT", portNumber.ToString() }, // vue cli 3 uses --port {number}, included below
{ "BROWSER", "none" }, // We don't want vue-cli to open its own extra browser window pointing to the internal dev server port
};
var npmScriptRunner = new NpmScriptRunner(
sourcePath, npmScriptName, $"--port {portNumber}", envVars);
AppDomain.CurrentDomain.DomainUnload += (s, e) => npmScriptRunner?.Kill();
AppDomain.CurrentDomain.ProcessExit += (s, e) => npmScriptRunner?.Kill();
AppDomain.CurrentDomain.UnhandledException += (s, e) => npmScriptRunner?.Kill();
npmScriptRunner.AttachToLogger(logger);
Match openBrowserLine;
using (var stdErrReader = new EventedStreamStringReader(npmScriptRunner.StdErr))
{
try
{
openBrowserLine = await npmScriptRunner.StdOut.WaitForMatch(
new Regex(" - Local: (http\\S+)", RegexOptions.None, RegexMatchTimeout));
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
$"The NPM script '{npmScriptName}' exited without indicating that the " +
$"Vue CLI was listening for requests. The error output was: " +
$"{stdErrReader.ReadAsString()}", ex);
}
}
var uri = new Uri(openBrowserLine.Groups[1].Value);
var serverInfo = new VueCliServerInfo {
Port = uri.Port, Host = uri.Host, Scheme = uri.Scheme
};
// Even after the Vue CLI claims to be listening for requests, there may be a short
// period where it will give an error if you make a request too quickly
await WaitForVueCliServerToAcceptRequests(uri);
return(serverInfo);
}