This works, but the complexity of post-tag-list.html is fairly high. The Hugo template needs to perform special behavior for the case where there’s only one tag, and it has to treat the last tag as special. Additionally, the tag list will be rendered something like Tags: tag1 , tag2 , tag3 because of the way that the HTML is generated and then interpreted by a browser.
This first version of layouts/partials/post-tag-list.html separates all of the operations for ease of reading. The combined and DRYer version is shown next:
Now in the completed version, you can sort the tags, convert the tags to links with layouts/partials/post-tag-link.html, chomp off stray newlines, and join the tags together in a delimited list for presentation. Here is an even DRYer version of the preceding example: