private static void Minify(IContentMinifier minifier, BundleLink link, string minifyExtension)
{
var contentObject = link.ContentObject;
// Don't try to minify content that is already minified
if (contentObject != null && !link.Path.EndsWith($".min.{link.Type}"))
{
var minifiedResult = minifier.Minify(link.Type, link.Content, link.Path);
contentObject.Content = minifiedResult;
link.Content = minifiedResult;
var minExtension = (minifyExtension ?? string.Empty) + "." + link.Type;
if (!contentObject.Url.EndsWith(minExtension))
{
var url = Path.ChangeExtension(contentObject.Url, minExtension);
contentObject.Url = url;
}
}
}
private void ProcessBundleLinks(BundleObject bundle, Dictionary <UPath, ContentObject> staticFiles)
{
Dictionary <string, ConcatGroup> concatBuilders = null;
if (bundle.Concat)
{
concatBuilders = new Dictionary <string, ConcatGroup>();
foreach (var type in bundle.UrlDestination)
{
if (!concatBuilders.ContainsKey(type.Key))
{
concatBuilders[type.Key] = new ConcatGroup();
}
}
}
// Expand wildcard * links
for (int i = 0; i < bundle.Links.Count; i++)
{
var link = bundle.Links[i];
var path = link.Path;
var url = link.Url;
if (!path.Contains("*"))
{
continue;
}
// Always remove the link
bundle.Links.RemoveAt(i);
var upath = (UPath)path;
foreach (var file in Site.MetaFileSystem.EnumerateFileSystemEntries(upath.GetDirectory(), upath.GetName()))
{
var newLink = new BundleLink(bundle, link.Type, (string)file.Path, url + file.Path.GetName());
bundle.Links.Insert(i++, newLink);
}
// Cancel the double i++
i--;
}
// Collect minifier
IContentMinifier minifier = null;
if (bundle.Minify)
{
var minifierName = bundle.Minifier;
foreach (var min in Minifiers)
{
if (minifierName == null || min.Name == minifierName)
{
minifier = min;
break;
}
}
if (minifier == null)
{
Site.Warning($"Minify is setup for bundle [{bundle.Name}] but no minifiers are registered (Minified requested: {minifierName ?? "default"})");
}
}
// Process links
for (int i = 0; i < bundle.Links.Count; i++)
{
var link = bundle.Links[i];
var path = link.Path;
var url = link.Url;
if (url != null)
{
if (!UPath.TryParse(url, out _))
{
Site.Error($"Invalid absolute url [{url}] in bundle [{bundle.Name}]");
}
}
if (path != null)
{
path = ((UPath)path).FullName;
link.Path = path;
var entry = new FileEntry(Site.MetaFileSystem, path);
ContentObject currentContent;
var isExistingContent = staticFiles.TryGetValue(entry.FullName, out currentContent);
if (url == null)
{
var outputUrlDirectory = bundle.UrlDestination[link.Type];
// If the file is private or meta, we need to copy to the output
// bool isFilePrivateOrMeta = Site.IsFilePrivateOrMeta(entry.FullName);
url = outputUrlDirectory + Path.GetFileName(path);
link.Url = url;
}
// Process file by existing processors
if (currentContent == null)
{
if (entry.Exists)
{
currentContent = new ContentObject(Site, entry);
}
else
{
Site.Error($"Unable to find content [{path}] in bundle [{bundle.Name}]");
}
}
if (currentContent != null)
{
currentContent.Url = url;
var listTemp = new PageCollection()
{
currentContent
};
Site.Content.ProcessPages(listTemp, false);
link.ContentObject = currentContent;
bool isRawContent = link.Type == BundleObjectProperties.ContentType;
// If we require concat and/or minify, we preload the content of the file
if (!isRawContent && (bundle.Concat || bundle.Minify))
{
try
{
link.Content = currentContent.Content ?? entry.ReadAllText();
// Minify content separately
if (bundle.Minify && minifier != null)
{
Minify(minifier, link, bundle.MinifyExtension);
}
}
catch (Exception ex)
{
Site.Error(
$"Unable to load content [{path}] while trying to concatenate for bundle [{bundle.Name}]. Reason: {ex.GetReason()}");
}
}
// If we are concatenating
if (!isRawContent && concatBuilders != null)
{
currentContent.Discard = true;
// Remove this link from the list of links, as we are going to squash them after
bundle.Links.RemoveAt(i);
i--;
concatBuilders[link.Type].Pages.Add(currentContent);
concatBuilders[link.Type].Builder.AppendLine(link.Content);
}
else if (!isExistingContent)
{
Site.StaticFiles.Add(currentContent);
staticFiles.Add(entry.FullName, currentContent);
}
}
}
}
// Concatenate files if necessary
if (concatBuilders != null)
{
foreach (var builderGroup in concatBuilders)
{
var builder = builderGroup.Value.Builder;
if (builder.Length > 0)
{
var type = builderGroup.Key;
var outputUrlDirectory = bundle.UrlDestination[type];
// If the file is private or meta, we need to copy to the output
// bool isFilePrivateOrMeta = Site.IsFilePrivateOrMeta(entry.FullName);
var url = outputUrlDirectory + bundle.Name + "." + type;
var newStaticFile = new ContentObject(Site)
{
Url = url,
Content = builder.ToString()
};
Site.DynamicPages.Add(newStaticFile);
// Add file dependencies
foreach (var page in builderGroup.Value.Pages)
{
newStaticFile.Dependencies.Add(new PageContentDependency(page));
}
var link = new BundleLink(bundle, type, null, url)
{
Content = newStaticFile.Content,
ContentObject = newStaticFile
};
bundle.Links.Add(link);
}
}
}
foreach (var link in bundle.Links)
{
var contentObject = link.ContentObject;
if (contentObject != null)
{
link.Url = contentObject.Url;
}
}
}