private void ProduceContentAsset()

in src/Microsoft.NuGet.Build.Tasks/ResolveNuGetPackageAssets.cs [595:650]
42 lines of code
8 McCabe index (conditional complexity)

        private void ProduceContentAsset(NuGetPackageObject package, JProperty sharedAsset, IReadOnlyDictionary<string, string> preprocessorValues, string preprocessedOutputDirectory)
        {
            string pathToFinalAsset = package.GetFullPathToFile(sharedAsset.Name);

            if (sharedAsset.Value["ppOutputPath"] != null)
            {
                if (preprocessedOutputDirectory == null)
                {
                    throw new ExceptionFromResource(nameof(Strings.PreprocessedDirectoryNotSet), nameof(ContentPreprocessorOutputDirectory));
                }

                // We need the preprocessed output, so let's run the preprocessor here
                pathToFinalAsset = Path.Combine(preprocessedOutputDirectory, package.Id, package.Version, (string)sharedAsset.Value["ppOutputPath"]);

                if (!File.Exists(pathToFinalAsset))
                {
                    Directory.CreateDirectory(Path.GetDirectoryName(pathToFinalAsset));

                    using (var input = new StreamReader(package.GetFullPathToFile(sharedAsset.Name), detectEncodingFromByteOrderMarks: true))
                    using (var output = new StreamWriter(pathToFinalAsset, append: false, encoding: input.CurrentEncoding))
                    {
                        Preprocessor.Preprocess(input, output, preprocessorValues);
                    }

                    _fileWrites.Add(new TaskItem(pathToFinalAsset));
                }
            }

            if ((bool)sharedAsset.Value["copyToOutput"])
            {
                string outputPath = (string)sharedAsset.Value["outputPath"] ?? (string)sharedAsset.Value["ppOutputPath"];

                if (outputPath != null)
                {
                    var item = CreateItem(package, pathToFinalAsset, targetPath: outputPath);
                    _copyLocalItems.Add(item);
                }
            }

            string buildAction = (string)sharedAsset.Value["buildAction"];
            if (!string.Equals(buildAction, "none", StringComparison.OrdinalIgnoreCase))
            {
                var item = CreateItem(package, pathToFinalAsset);

                // We'll put additional metadata on the item so we can convert it back to the real item group in our targets
                item.SetMetadata("NuGetItemType", buildAction);

                // If this is XAML, the build targets expect Link metadata to construct the relative path
                if (string.Equals(buildAction, "Page", StringComparison.OrdinalIgnoreCase))
                {
                    item.SetMetadata("Link", Path.Combine("NuGet", package.Id, package.Version, Path.GetFileName(sharedAsset.Name)));
                }

                _contentItems.Add(item);
            }
        }