/// <summary>
 /// マークダウンファイル検索
 /// </summary>
 /// <returns></returns>
 private static IEnumerable <ArticleContent> ReadArticles(string path, bool isDraft, bool isShowMarkdownFilePath)
 {
     return(FileSearcher
            .EnumerateFileInfos(path)
            .Where(item => PathUtil.EqualsExtension(item.fi.Extension, ".md"))
            .Select(item => new ArticleContent(item.fi, isDraft, isShowMarkdownFilePath)));
 }
 private static IEnumerable <(FileInfo fi, string relativePath)> SearchOtherFiles(string path)
 {
     return(FileSearcher
            .EnumerateFileInfos(path)
            .Where(item => !PathUtil.EqualsExtension(item.fi.Extension, ".md")));
 }