public async Task <string> GetLatestVersion(string libraryId, bool includePreReleases, CancellationToken cancellationToken)
{
string[] args = libraryId.Split('@');
if (args.Length < 2)
{
return(null);
}
string name = args[0];
if (!await EnsureCatalogAsync(cancellationToken).ConfigureAwait(false))
{
return(null);
}
CdnjsLibraryGroup group = _libraryGroups.FirstOrDefault(l => l.DisplayName == name);
if (group == null)
{
return(null);
}
group.DisplayInfosTask = ct => GetDisplayInfosAsync(group.DisplayName, ct);
var ids = (await group.GetLibraryIdsAsync(cancellationToken).ConfigureAwait(false)).ToList();
string first = ids.First();
if (!includePreReleases)
{
first = ids.First(id => id.IndexOf('-', name.Length) == -1);
}
if (!string.IsNullOrEmpty(first) && ids.IndexOf(first) < ids.IndexOf(libraryId))
{
return(first);
}
;
return(null);
}
public async Task <CompletionSet> GetLibraryCompletionSetAsync(string value, int caretPosition)
{
if (!await EnsureCatalogAsync(CancellationToken.None).ConfigureAwait(false))
{
return(default(CompletionSet));
}
var span = new CompletionSet
{
Start = 0,
Length = value.Length
};
int at = value.IndexOf('@');
string name = at > -1 ? value.Substring(0, at) : value;
var completions = new List <CompletionItem>();
// Name
if (at == -1 || caretPosition <= at)
{
IReadOnlyList <ILibraryGroup> result = await SearchAsync(name, int.MaxValue, CancellationToken.None);
foreach (CdnjsLibraryGroup group in result)
{
var completion = new CompletionItem
{
DisplayText = group.DisplayName,
InsertionText = group.DisplayName + "@" + group.Version,
Description = group.Description
};
completions.Add(completion);
}
}
// Version
else
{
CdnjsLibraryGroup group = _libraryGroups.FirstOrDefault(g => g.DisplayName == name);
if (group != null)
{
IEnumerable <Asset> assets = await GetAssetsAsync(name, CancellationToken.None);
foreach (string version in assets.Select(a => a.Version))
{
var completion = new CompletionItem
{
DisplayText = version,
InsertionText = $"{name}@{version}"
};
completions.Add(completion);
}
}
}
span.Completions = completions;
return(span);
}