in src/Microsoft.NuGet.Build.Tasks/ResolveNuGetPackageAssets.cs [942:957]
private void AddReferencedPackages(JArray packageDependencies, SortedSet<string> allPackageNames)
{
foreach (var packageDependency in packageDependencies.Select(v => (string)v))
{
// Strip the version, if any, from the dependency.
int firstSpace = packageDependency.IndexOf(' ');
string packageName = firstSpace > -1
? packageDependency.Substring(0, firstSpace)
: packageDependency;
if (allPackageNames.Contains(packageName))
{
_referencedPackages.Add(new TaskItem(packageName));
}
}
}