private Version GetActiveVersion()
{
try
{
var str = File.ReadAllText(_globalContext.ActiveVersionTrackerFilePath);
return(VersionParser.Parse(str));
}
catch (FileNotFoundException)
{
return(null);
}
}
/// <summary>
/// Get the latest Node version matching a given prefix.
/// </summary>
/// <exception cref="ArgumentException"></exception>
public Version GetLatestNodeVersion(string prefix)
{
var reader = NodeVersionsStreamReader();
string line;
while ((line = reader.ReadLine()) != null)
{
var lineVersion = VersionParser.Parse(line.Split("\t")[0]);
if (lineVersion.ToString().StartsWith(prefix))
{
return(lineVersion);
}
}
throw new ArgumentException($"NodeJS distribution not found for given prefix: {prefix}");
}
/// <summary>
/// Get the versions of Node that may be installed.
/// </summary>
public List <Version> GetInstallableNodeVersions(string min = "")
{
var minVersion = VersionParser.Parse(min != "" ? min : "0.0.0");
var versions = new List <Version>();
var reader = NodeVersionsStreamReader();
string line;
while ((line = reader.ReadLine()) != null)
{
var lineVersion = VersionParser.Parse(line.Split("\t")[0]);
if (lineVersion >= minVersion)
{
versions.Add(lineVersion);
}
}
return(versions);
}
public List <NodeJsVersion> GetInstalledVersions()
{
var activeVersion = GetActiveVersion();
return
(Directory
.GetDirectories(_globalContext.StoragePath, "node-v*", SearchOption.TopDirectoryOnly)
.Select(dir =>
{
var version = VersionParser.Parse(Regex.Match(dir, @"node-v(\d+\.\d+\.\d+)").Groups[1].Value);
return new NodeJsVersion
{
Path = dir,
Version = version,
IsActive = version.Equals(activeVersion)
};
})
.OrderByDescending(v => v.Version)
.ToList());
}
/// <summary>
/// Get the most recent Node version.
/// </summary>
public Version GetLatestNodeVersion()
{
return(VersionParser.Parse(NodeVersionsStreamReader().ReadLine()?.Split("\t")[0]));
}