private static async Task <int> StartCreateVueCliAppServerAsync(
string sourcePath, string nodeScriptName, ILogger logger, string packageManager)
{
var portNumber = TcpPortFinder.FindAvailablePort();
logger.LogInformation($"Starting vue-cli-service server on port {portNumber}...");
string arguments = $"--port {portNumber}";
var envVars = new Dictionary <string, string> {
};
var nodeScriptRunner = new NodeScriptRunner(sourcePath, nodeScriptName, arguments, envVars, packageManager);
using (var stdErrReader = new EventedStreamStringReader(nodeScriptRunner.StdErr))
{
try
{
// Although the dev server may eventually tell us the URL it's listening on,
// it doesn't do so until it's finished compiling, and even then only if there were
// no compiler warnings. So instead of waiting for that, consider it ready as soon
// as it starts listening for requests.
await nodeScriptRunner.StdOut.WaitForMatch(new Regex("App running at:", RegexOptions.None, RegexMatchTimeout));
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
$"The node script '{nodeScriptName}' exited without indicating that the " +
$"node server was listening for requests. The error output was: " +
$"{stdErrReader.ReadAsString()}", ex);
}
}
return(portNumber);
}
private static async Task <(string scheme, int port)> StartServerAsync(
IApplicationBuilder appBuilder, string sourcePath, string npmScriptName, string packageManager, ILogger logger)
{
var scheme = "http";
var portNumber = TcpPortFinder.FindAvailablePort();
logger.LogInformation($"Starting vue-cli-service server on port {portNumber}...");
//var envVars = new Dictionary<string, string>
//{
// { "PORT", portNumber.ToString() },
// { "BROWSER", "none" }, // We don't want vue-cli-service to open its own extra browser window pointing to the internal dev server port
//};
var diagnosticSource = appBuilder.ApplicationServices.GetRequiredService <DiagnosticSource>();
#if NETCOREAPP2_1 || NETCOREAPP2_2
var applicationStoppingToken = appBuilder.ApplicationServices.GetRequiredService <IApplicationLifetime>().ApplicationStopping;
#else
var applicationStoppingToken = appBuilder.ApplicationServices.GetRequiredService <IHostApplicationLifetime>().ApplicationStopping;
#endif
var npmScriptRunner = new NodeScriptRunner(
sourcePath, npmScriptName, $"--port {portNumber}", null, packageManager, diagnosticSource, applicationStoppingToken);
npmScriptRunner.AttachToLogger(logger);
using (var stdErrReader = new EventedStreamStringReader(npmScriptRunner.StdErr))
{
try
{
// Although the dev server may eventually tell us the URL it's listening on,
// it doesn't do so until it's finished compiling, and even then only if there were
// no compiler warnings. So instead of waiting for that, consider it ready as soon
// as it starts listening for requests.
await npmScriptRunner.StdOut.WaitForMatch(
new Regex("App running at", RegexOptions.None, RegexMatchTimeout));
string nextLine = await npmScriptRunner.StdOut.ReadLine();
if (nextLine.Contains("https://"))
{
scheme = "https";
}
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
$"The {packageManager} script '{npmScriptName}' exited without indicating that the " +
$"vue-cli-service server was listening for requests. The error output was: " +
$"{stdErrReader.ReadAsString()}", ex);
}
}
return(scheme, portNumber);
}
/// <inheritdoc />
public async Task Build(ISpaBuilder spaBuilder)
{
var pkgManagerCommand = spaBuilder.Options.PackageManagerCommand;
var sourcePath = spaBuilder.Options.SourcePath;
if (string.IsNullOrEmpty(sourcePath))
{
throw new InvalidOperationException($"To use {nameof(AngularCliBuilder)}, you must supply a non-empty value for the {nameof(SpaOptions.SourcePath)} property of {nameof(SpaOptions)} when calling {nameof(SpaApplicationBuilderExtensions.UseSpa)}.");
}
var appBuilder = spaBuilder.ApplicationBuilder;
var applicationStoppingToken = appBuilder.ApplicationServices.GetRequiredService <IHostApplicationLifetime>().ApplicationStopping;
var logger = LoggerFinder.GetOrCreateLogger(
appBuilder,
nameof(AngularCliBuilder));
var diagnosticSource = appBuilder.ApplicationServices.GetRequiredService <DiagnosticSource>();
var scriptRunner = new NodeScriptRunner(
sourcePath,
_scriptName,
"--watch",
null,
pkgManagerCommand,
diagnosticSource,
applicationStoppingToken);
scriptRunner.AttachToLogger(logger);
using (var stdOutReader = new EventedStreamStringReader(scriptRunner.StdOut))
using (var stdErrReader = new EventedStreamStringReader(scriptRunner.StdErr))
{
try
{
await scriptRunner.StdOut.WaitForMatch(
new Regex("Date", RegexOptions.None, RegexMatchTimeout));
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
$"The {pkgManagerCommand} script '{_scriptName}' exited without indicating success.\n" +
$"Output was: {stdOutReader.ReadAsString()}\n" +
$"Error output was: {stdErrReader.ReadAsString()}", ex);
}
catch (OperationCanceledException ex)
{
throw new InvalidOperationException(
$"The {pkgManagerCommand} script '{_scriptName}' timed out without indicating success. " +
$"Output was: {stdOutReader.ReadAsString()}\n" +
$"Error output was: {stdErrReader.ReadAsString()}", ex);
}
}
}
/// <inheritdoc />
public async Task Build(ISpaBuilder spaBuilder)
{
//var pkgManagerCommand = spaBuilder.Options.PackageManagerCommand; // todo: use this for .netcore >3.x
var pkgManagerCommand = "npm";
var sourcePath = spaBuilder.Options.SourcePath;
if (string.IsNullOrEmpty(sourcePath))
{
throw new InvalidOperationException($"To use {nameof(ChikoAngularCliBuilder)}, you must supply a non-empty value for the {nameof(SpaOptions.SourcePath)} property of {nameof(SpaOptions)} when calling {nameof(SpaApplicationBuilderExtensions.UseSpa)}.");
}
var logger = spaBuilder.ApplicationBuilder.ApplicationServices.GetService <ILoggerFactory>()
?.CreateLogger <ChikoAngularCliBuilder>();
var scriptRunner = new NodeScriptRunner(
sourcePath,
_scriptName,
"",
// "--watch", // todo: make it configurable
null,
pkgManagerCommand);
scriptRunner.AttachToLogger(logger);
using (var stdOutReader = new EventedStreamStringReader(scriptRunner.StdOut))
using (var stdErrReader = new EventedStreamStringReader(scriptRunner.StdErr))
{
try
{
await scriptRunner.StdOut.WaitForMatch(
new Regex("chunk", RegexOptions.None, RegexMatchTimeout));
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
$"The {pkgManagerCommand} script '{_scriptName}' exited without indicating success.\n" +
$"Output was: {stdOutReader.ReadAsString()}\n" +
$"Error output was: {stdErrReader.ReadAsString()}", ex);
}
catch (OperationCanceledException ex)
{
throw new InvalidOperationException(
$"The {pkgManagerCommand} script '{_scriptName}' timed out without indicating success. " +
$"Output was: {stdOutReader.ReadAsString()}\n" +
$"Error output was: {stdErrReader.ReadAsString()}", ex);
}
}
}
private static async Task <AngularCliServerInfo> StartAngularCliServerAsync(
string sourcePath, string scriptName, string pkgManagerCommand, int portNumber, ILogger logger)
{
if (portNumber == default(int))
{
portNumber = TcpPortFinder.FindAvailablePort();
}
logger.LogInformation($"Starting @angular/cli on port {portNumber}...");
var scriptRunner = new NodeScriptRunner(
sourcePath, scriptName, $"--port {portNumber}", null, pkgManagerCommand);
scriptRunner.AttachToLogger(logger);
Match openBrowserLine;
using (var stdErrReader = new EventedStreamStringReader(scriptRunner.StdErr))
{
try
{
openBrowserLine = await scriptRunner.StdOut.WaitForMatch(
new Regex("open your browser on (http\\S+)", RegexOptions.None, RegexMatchTimeout));
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
$"The {pkgManagerCommand} script '{scriptName}' exited without indicating that the " +
$"Angular CLI was listening for requests. The error output was: " +
$"{stdErrReader.ReadAsString()}", ex);
}
}
var uri = new Uri(openBrowserLine.Groups[1].Value);
var serverInfo = new AngularCliServerInfo {
Port = uri.Port
};
// Even after the Angular CLI claims to be listening for requests, there's a short
// period where it will give an error if you make a request too quickly
await WaitForAngularCliServerToAcceptRequests(uri);
return(serverInfo);
}
private static async Task <int> StartCreateVueAppServerAsync(
string sourcePath, string scriptName, string pkgManagerCommand, int portNumber, ILogger logger, DiagnosticSource diagnosticSource, CancellationToken applicationStoppingToken)
{
if (portNumber == default)
{
portNumber = TcpPortFinder.FindAvailablePort();
}
logger.LogInformation($"Starting vue-cli server on port {portNumber}...");
var envVars = new Dictionary <string, string>
{
{ "PORT", portNumber.ToString() },
{ "BROWSER", "none" }, // We don't want vue-cli to open its own extra browser window pointing to the internal dev server port
};
var scriptRunner = new NodeScriptRunner(
sourcePath, scriptName, null, envVars, pkgManagerCommand, diagnosticSource, applicationStoppingToken);
scriptRunner.AttachToLogger(logger);
using (var stdErrReader = new EventedStreamStringReader(scriptRunner.StdErr))
{
try
{
// Although the Vue dev server may eventually tell us the URL it's listening on,
// it doesn't do so until it's finished compiling, and even then only if there were
// no compiler warnings. So instead of waiting for that, consider it ready as soon
// as it starts listening for requests.
await scriptRunner.StdOut.WaitForMatch(
new Regex(CLI_SERVE_COMPLETION_REGEX, RegexOptions.None, RegexMatchTimeout));
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
$"The {pkgManagerCommand} script '{scriptName}' exited without indicating that the " +
$"vue-cli server was listening for requests. The error output was: " +
$"{stdErrReader.ReadAsString()}", ex);
}
}
return(portNumber);
}