private static async Task <int> StartCreateVueAppServerAsync(
string sourcePath, string npmScriptName, ILogger logger)
{
var portNumber = TcpPortFinder.FindAvailablePort();
logger.LogInformation($"Starting Vue development server on port {portNumber}...");
var envVars = new Dictionary <string, string>
{
{ "PORT", portNumber.ToString() },
{
"BROWSER", "none"
}, // We don't want create-react-app to open its own extra browser window pointing to the internal dev server port
};
var npmScriptRunner = new NpmScriptRunner(
sourcePath, npmScriptName, null, envVars);
npmScriptRunner.AttachToLogger(logger);
using (var stdErrReader = new EventedStreamStringReader(npmScriptRunner.StdErr))
{
try
{
// Although the React 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));
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
$"The NPM script '{npmScriptName}' exited without indicating that the " +
$"Vue development server was listening for requests. The error output was: " +
$"{stdErrReader.ReadAsString()}", ex);
}
}
return(portNumber);
}
private static async Task <int> StartCreateVueAppServerAsync(
string sourcePath,
string npmScriptName,
ILogger logger)
{
var portNumber = TcpPortFinder.FindAvailablePort();
logger.LogInformation($"在 {portNumber} 端口上启动Vue服务...");
var npmScriptRunner = new NpmScriptRunner(sourcePath, npmScriptName, null, new Dictionary <string, string>
{
{
"PORT",
portNumber.ToString()
},
{
"BROWSER",
"none"
}
});
npmScriptRunner.AttachToLogger(logger);
using (var stdErrReader = new EventedStreamStringReader(npmScriptRunner.StdErr))
{
try
{
var match = await npmScriptRunner.StdOut.WaitForMatch(new Regex(
!string.IsNullOrEmpty(CompiledSuccessfullyString)
? CompiledSuccessfullyString
: "DONE Compiled successfully", RegexOptions.None, RegexMatchTimeout));
}
catch (EndOfStreamException ex)
{
throw new InvalidOperationException(
"NPM 脚本'" + npmScriptName + "' 已退出,但是Vue服务还没开始侦听请求. 错误输出为: " +
stdErrReader.ReadAsString(), ex);
}
}
return(portNumber);
}