path.BaseName
{{ path.BaseName "a/news.html" }} → news
{{ path.BaseName "news.html" }} → news
{{ path.BaseName "a/b/c" }} → c
{{ path.BaseName "/x/y/z/" }} → z
{{ path.BaseName "" }} → .
{{ path.BaseName "a/news.html" }} → news
{{ path.BaseName "news.html" }} → news
{{ path.BaseName "a/b/c" }} → c
{{ path.BaseName "/x/y/z/" }} → z
{{ path.BaseName "" }} → .