private static string GetLatestAvailableTypeScriptVersionFromSetup()
{
var setupCompositionService = (IVsSetupCompositionService)CommonPackage.GetGlobalService(typeof(SVsSetupCompositionService));
// Populate the package status
uint count = 0;
uint sizeNeeded = 0;
IVsSetupPackageInfo[] packages = null;
setupCompositionService.GetSetupPackagesInfo(count, packages, out sizeNeeded);
if (sizeNeeded > 0)
{
packages = new IVsSetupPackageInfo[sizeNeeded];
count = sizeNeeded;
setupCompositionService.GetSetupPackagesInfo(count, packages, out sizeNeeded);
return(packages.Where(p => (__VsSetupPackageState)p.CurrentState == __VsSetupPackageState.INSTALL_PACKAGE_PRESENT)
.Select(p => p.PackageId)
.Where(p => p.StartsWith(tsSdkSetupPackageIdPrefix))
.Select(p => p.Substring(tsSdkSetupPackageIdPrefix.Length, p.Length - tsSdkSetupPackageIdPrefix.Length))
.OrderByDescending(v => v)
.First());
}
return("");
}
private static IVsSetupPackageInfo[] GetPackages(IVsSetupCompositionService setupService)
{
if (setupService != null)
{
// Get the count
setupService.GetSetupPackagesInfo(0, null, out uint count);
// Get the data
var buffer = new IVsSetupPackageInfo[count];
setupService.GetSetupPackagesInfo(count, buffer, out uint actual);
// Extra safety in case count changed between the 2 calls
return(buffer.Take((int)Math.Min(actual, count)).ToArray());
}
else
{
return(new IVsSetupPackageInfo[0]);
}
}
private static string GetLatestAvailableTypeScriptVersionFromSetup()
{
var setupCompositionService = (IVsSetupCompositionService)Microsoft.VisualStudio.Shell.ServiceProvider.GlobalProvider.GetService(typeof(SVsSetupCompositionService));
// Populate the package status
setupCompositionService.GetSetupPackagesInfo(0, null, out var sizeNeeded);
if (sizeNeeded > 0)
{
var packages = new IVsSetupPackageInfo[sizeNeeded];
setupCompositionService.GetSetupPackagesInfo(sizeNeeded, packages, out _);
var typeScriptSdkPackageGroups = packages.Where(p => p.PackageId.StartsWith(tsSdkSetupPackageIdPrefix, StringComparison.OrdinalIgnoreCase))
.GroupBy(p => p.CurrentState, p => p.PackageId);
var installed = typeScriptSdkPackageGroups.Where(g => g.Key == (uint)__VsSetupPackageState.INSTALL_PACKAGE_PRESENT);
if (installed.Any())
{
return(GetVersion(installed.First()));
}
// There is an issue in the installer where components aren't registered as 'Present', however they do show up as unknown.
// So use that as a fallback.
var unknown = typeScriptSdkPackageGroups.Where(g => g.Key == (uint)__VsSetupPackageState.INSTALL_PACKAGE_UNKNOWN);
if (unknown.Any())
{
return(GetVersion(unknown.First()));
}
// This should not happen, since TS should be installed as a required component, however we should guard against
// bugs in the installer, and use a good default for the user.
Debug.Fail("Failed to find a valid install of the TypeScript SDK.");
}
return("");
string GetVersion(IEnumerable <string> installed)
{
return(installed.Select(p => p.Substring(tsSdkSetupPackageIdPrefix.Length, p.Length - tsSdkSetupPackageIdPrefix.Length))
.OrderByDescending(v => v)
.First());
}
}
