Files
Umbraco-CMS/src/Umbraco.Web/JavaScript/AssetInitialization.cs

66 lines
3.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Web;
using ClientDependency.Core;
using ClientDependency.Core.Config;
using Umbraco.Core;
using Umbraco.Web.Composing;
using Umbraco.Web.PropertyEditors;
namespace Umbraco.Web.JavaScript
{
internal abstract class AssetInitialization
{
protected IEnumerable<string> ScanPropertyEditors(ClientDependencyType assetType, HttpContextBase httpContext)
{
if (httpContext == null) throw new ArgumentNullException(nameof(httpContext));
var attributes = Current.PropertyEditors
.SelectMany(x => x.GetType().GetCustomAttributes<PropertyEditorAssetAttribute>(false))
.Where(x => x.AssetType == assetType)
.Select(x => x.DependencyFile)
.ToList();
var renderer = ClientDependencySettings.Instance.MvcRendererCollection["Umbraco.DependencyPathRenderer"];
renderer.RegisterDependencies(attributes, new HashSet<IClientDependencyPath>(), out var scripts, out var stylesheets, httpContext);
var toParse = assetType == ClientDependencyType.Javascript ? scripts : stylesheets;
return toParse.Split(new[] { DependencyPathRenderer.Delimiter }, StringSplitOptions.RemoveEmptyEntries);
}
internal static IEnumerable<string> OptimizeAssetCollection(IEnumerable<string> assets, ClientDependencyType assetType, HttpContextBase httpContext)
{
if (httpContext == null) throw new ArgumentNullException(nameof(httpContext));
var requestUrl = httpContext.Request.Url;
if (requestUrl == null) throw new ArgumentException("HttpContext.Request.Url is null.", nameof(httpContext));
var dependencies = assets.Where(x => x.IsNullOrWhiteSpace() == false).Select(x =>
{
// most declarations with be made relative to the /umbraco folder, so things
// like lib/blah/blah.js so we need to turn them into absolutes here
if (x.StartsWith("/") == false && Uri.IsWellFormedUriString(x, UriKind.Relative))
{
return new BasicFile(assetType) { FilePath = new Uri(requestUrl, x).AbsolutePath };
}
return assetType == ClientDependencyType.Javascript
? new JavascriptFile(x)
: (IClientDependencyFile) new CssFile(x);
}).ToList();
// get the output string for these registrations which will be processed by CDF correctly to stagger the output based
// on internal vs external resources. The output will be delimited based on our custom Umbraco.Web.UI.JavaScript.DependencyPathRenderer
var renderer = ClientDependencySettings.Instance.MvcRendererCollection["Umbraco.DependencyPathRenderer"];
renderer.RegisterDependencies(dependencies, new HashSet<IClientDependencyPath>(), out var scripts, out var stylesheets, httpContext);
var urls = assetType == ClientDependencyType.Javascript
? scripts.Split(new[] { DependencyPathRenderer.Delimiter }, StringSplitOptions.RemoveEmptyEntries)
: stylesheets.Split(new[] { DependencyPathRenderer.Delimiter }, StringSplitOptions.RemoveEmptyEntries);
return urls;
}
}
}