/// <summary>
/// Creates a new inline source map
/// </summary>
/// <param name="wrapped"></param>
/// <param name="mapBuilder"></param>
/// <param name="sourceSourceMapType"></param>
public V3DeferredSourceMap(V3SourceMap wrapped, StringBuilder mapBuilder, SourceMapType sourceSourceMapType)
{
if (wrapped == null)
{
throw new ArgumentNullException(nameof(wrapped));
}
if (mapBuilder == null)
{
throw new ArgumentNullException(nameof(mapBuilder));
}
_wrapped = wrapped;
_mapBuilder = mapBuilder;
SourceMapType = sourceSourceMapType;
}
/// <summary>
/// Adds a SourceMapAppender into the current bundle context if it doesn't already exist
/// </summary>
/// <param name="bundleContext"></param>
/// <param name="sourceMapType"></param>
/// <returns></returns>
private void AddSourceMapAppenderToContext(BundleContext bundleContext, SourceMapType sourceMapType)
{
//if it already exist, then ignore
var key = typeof(SourceMapDeclaration).Name;
if (bundleContext.Items.TryGetValue(key, out object sm))
{
return;
}
//not in the context so add a flag so it's not re-added
bundleContext.Items[key] = "added";
bundleContext.AddAppender(() =>
{
var sourceMap = bundleContext.GetSourceMapFromContext(sourceMapType);
return(_sourceMapDeclaration.GetDeclaration(bundleContext, sourceMap));
});
}
/// <summary>
/// Gets or Adds a V3InlineSourceMap into the current bundle context
/// </summary>
/// <param name="bundleContext"></param>
/// <param name="sourceMapType"></param>
/// <returns></returns>
public static V3DeferredSourceMap GetSourceMapFromContext(this BundleContext bundleContext, SourceMapType sourceMapType)
{
var key = typeof(V3DeferredSourceMap).Name;
object ctx;
if (bundleContext.Items.TryGetValue(key, out ctx))
{
return((V3DeferredSourceMap)ctx);
}
//not in the context so add it
var sb = new StringBuilder();
var sourceMapWriter = new Utf8StringWriter(sb);
var inlineSourceMap = new V3DeferredSourceMap((V3SourceMap)SourceMapFactory.Create(sourceMapWriter, V3SourceMap.ImplementationName), sb, sourceMapType);
bundleContext.Items[key] = inlineSourceMap;
return(inlineSourceMap);
}
