private async Task ProcessFileImpl(IWebFile file, BundleOptions bundleOptions, BundleContext bundleContext)
{
if (file == null)
{
throw new ArgumentNullException(nameof(file));
}
var extension = Path.GetExtension(file.FilePath);
var fileWatchEnabled = bundleOptions?.FileWatchOptions.Enabled ?? false;
Lazy <IFileInfo> fileInfo;
var cacheBuster = bundleOptions != null
? _cacheBusterResolver.GetCacheBuster(bundleOptions.GetCacheBusterType())
: _cacheBusterResolver.GetCacheBuster(_bundleManager.GetDefaultBundleOptions(false).GetCacheBusterType()); //the default for any dynamically (non bundle) file is the default bundle options in production
var cacheFile = _fileSystemHelper.GetCacheFilePath(file, fileWatchEnabled, extension, cacheBuster, out fileInfo);
var exists = File.Exists(cacheFile);
//check if it's in cache
if (exists)
{
_logger.LogDebug($"File already in cache '{file.FilePath}', type: {file.DependencyType}, cacheFile: {cacheFile}, watching? {fileWatchEnabled}");
}
else
{
if (file.Pipeline.Processors.Count > 0)
{
_logger.LogDebug($"Processing file '{file.FilePath}', type: {file.DependencyType}, cacheFile: {cacheFile}, watching? {fileWatchEnabled} ...");
var contents = await _fileSystemHelper.ReadContentsAsync(fileInfo.Value);
var watch = new Stopwatch();
watch.Start();
//process the file
var processed = await file.Pipeline.ProcessAsync(new FileProcessContext(contents, file, bundleContext));
watch.Stop();
_logger.LogDebug($"Processed file '{file.FilePath}' in {watch.ElapsedMilliseconds}ms");
//save it to the cache path
await _fileSystemHelper.WriteContentsAsync(cacheFile, processed);
}
else
{
// we can just copy the the file as-is to the cache file
_fileSystemHelper.CopyFile(fileInfo.Value.PhysicalPath, cacheFile);
}
}
//If file watching is enabled, then watch it - this is regardless of whether the cache file exists or not
// since after app restart if there's already a cache file, we still want to watch the file set
if (fileWatchEnabled)
{
// watch this file for changes, if the file is already watched this will do nothing
_fileSystemHelper.Watch(file, fileInfo.Value, bundleOptions, FileModified);
}
}
private async Task ProcessFileImpl(IWebFile file, BundleOptions bundleOptions, BundleContext bundleContext)
{
if (file == null)
{
throw new ArgumentNullException(nameof(file));
}
var extension = Path.GetExtension(file.FilePath);
var fileWatchEnabled = bundleOptions?.FileWatchOptions.Enabled ?? false;
Lazy <IFileInfo> fileInfo;
var cacheBuster = bundleOptions != null
? _cacheBusterResolver.GetCacheBuster(bundleOptions.GetCacheBusterType())
: _cacheBusterResolver.GetCacheBuster(_bundleManager.GetDefaultBundleOptions(false).GetCacheBusterType()); //the default for any dynamically (non bundle) file is the default bundle options in production
var cacheFile = _fileSystemHelper.GetCacheFilePath(file, fileWatchEnabled, extension, cacheBuster, out fileInfo);
//check if it's in cache
if (!File.Exists(cacheFile))
{
var contents = await _fileSystemHelper.ReadContentsAsync(fileInfo.Value);
//process the file
var processed = await file.Pipeline.ProcessAsync(new FileProcessContext(contents, file, bundleContext));
//save it to the cache path
await _fileSystemHelper.WriteContentsAsync(cacheFile, processed);
}
//If file watching is enabled, then watch it - this is regardless of whether the cache file exists or not
// since after app restart if there's already a cache file, we still want to watch the file set
if (fileWatchEnabled)
{
// watch this file for changes, if the file is already watched this will do nothing
_fileSystemHelper.Watch(file, fileInfo.Value, bundleOptions, FileModified);
}
}
