我刚刚追赶了一个由于缺少的
javascript文件造成的错误,它是默默无声的.
文件的最小化版本存在但不是完整版本,一个链接不会呈现在客户端(我期待的),但是我也没有得到例外.我想知道文件是否不存在.
(只是为了清楚,捆绑包没有尝试包括最小化的版本,它试图包括完整版本,但最小化版本存在于脚本目录中)
我必须写一些自定义的东西来检测这个,或者MVC有什么内置的来报告？
谢谢
解决方法
我想起了对Bundle使用以下扩展方法：
public static class BundleHelper
{
[Conditional("DEBUG")] // remove this attribute to validate bundles in production too
private static void CheckExistence(string virtualPath)
{
int i = virtualPath.LastIndexOf('/');
string path = HostingEnvironment.MapPath(virtualPath.Substring(0,i));
string fileName = virtualPath.Substring(i + 1);
bool found = Directory.Exists(path);
if (found)
{
if (fileName.Contains("{version}"))
{
var re = new Regex(fileName.Replace(".",@"\.").Replace("{version}",@"(\d+(?:\.\d+){1,3})"));
fileName = fileName.Replace("{version}","*");
found = Directory.EnumerateFiles(path,fileName).Where(file => re.IsMatch(file)).FirstOrDefault() != null;
}
else // fileName may contain '*'
found = Directory.EnumerateFiles(path,fileName).FirstOrDefault() != null;
}
if (!found)
throw new ApplicationException(String.Format("Bundle resource '{0}' not found",virtualPath));
}
public static Bundle IncludeExisting(this Bundle bundle,params string[] virtualPaths)
{
foreach (string virtualPath in virtualPaths)
CheckExistence(virtualPath);
return bundle.Include(virtualPaths);
}
public static Bundle IncludeExisting(this Bundle bundle,string virtualPath,params IItemTransform[] transforms)
{
CheckExistence(virtualPath);
return bundle.Include(virtualPath,transforms);
}
}
这样你就不必明确地调用你的帮助方法PreCheck().它还支持ASP.NET的通配符{version}和*：
bundles.Add(new ScriptBundle("~/test")
.IncludeExisting("~/Scripts/jquery/jquery-{version}.js")
.IncludeExisting("~/Scripts/lib*")
.IncludeExisting("~/Scripts/model.js")
);
