private static async Task <XDocument> MigrateBundle(XDocument doc, string fileName, string root, string folder)
{
string[] attrNames = new[] { "runOnBuild", "minify", "output" };
XElement bundle = doc.Descendants("bundle").FirstOrDefault();
string[] attributes = bundle.Attributes()
.Where(a => attrNames.Contains(a.Name.ToString()))
.Select(a => a.Name.ToString())
.ToArray();
if (attributes.Count() == 0)
{
return(doc);
}
IEnumerable <string> constituentFiles = ProjectHelpers.GetBundleConstituentFiles(doc.Descendants("file").Select(s => s.Value), root, folder, fileName);
BundleDocument newDoc = new BundleDocument(fileName, constituentFiles.ToArray());
if (attributes.Contains("runOnBuild"))
{
newDoc.RunOnBuild = bundle.Attribute("runOnBuild").Value.Equals("true", StringComparison.OrdinalIgnoreCase);
}
if (attributes.Contains("minify"))
{
newDoc.Minified = bundle.Attribute("minify").Value.Equals("true", StringComparison.OrdinalIgnoreCase);
}
return(await newDoc.WriteBundleRecipe());
}
public static async Task <BundleDocument> FromFile(string fileName)
{
string root = ProjectHelpers.GetProjectFolder(fileName);
string folder = Path.GetDirectoryName(root);
if (folder == null || root == null)
{
return(null);
}
XDocument doc = null;
string contents = await FileHelpers.ReadAllTextRetry(fileName);
try
{
doc = XDocument.Parse(contents);
}
catch (XmlException)
{
return(null);
}
// Migrate old bundles
doc = await MigrateBundle(doc, fileName, root, folder);
if (doc == null)
{
return(null);
}
XElement element = null;
IEnumerable <string> rawConstituents = doc.Descendants("file").Select(s => s.Value);
IEnumerable <string> constituentFiles = ProjectHelpers.GetBundleConstituentFiles(rawConstituents, root, folder, fileName);
if (constituentFiles.Count() > 0)
{
BundleDocument bundle = new BundleDocument(fileName, constituentFiles.ToArray())
{
OriginalBundleAssets = new List <string>(rawConstituents)
};
element = doc.Descendants("minify").FirstOrDefault();
if (element != null)
{
bundle.Minified = element.Value.Equals("true", StringComparison.OrdinalIgnoreCase);
}
element = doc.Descendants("runOnBuild").FirstOrDefault();
if (element != null)
{
bundle.RunOnBuild = element.Value.Equals("true", StringComparison.OrdinalIgnoreCase);
}
if (bundle.isCss)
{
element = doc.Descendants("adjustRelativePaths").FirstOrDefault();
if (element != null)
{
bundle.AdjustRelativePaths = element.Value.Equals("true", StringComparison.OrdinalIgnoreCase);
}
}
element = doc.Descendants("outputDirectory").FirstOrDefault();
if (element != null)
{
bundle.OutputDirectory = element.Value;
}
return(bundle);
}
else
{
return(null);
}
}
