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Daniel J. Summers
Daniel J. Summers

Posted on • Originally published at techblog.djs-consulting.com on

Mapping Categories and Tags with Hexo

The DJS Consulting Tech Blog moved today from Jekyll to Hexo (and it’s now open source as well). One of the final issues I had when wrapping up the conversion was how to handle categories and tags that do not necessarily have a slug that can be naturally derived from the name. Take the β€œC# category, for example. The normal slug for that category would be c, which is an entirely different programming language; interestingly, β€œC++ will also normally get its slug as c.

Within Hexo’s default _config.yml file, there are two empty items named category_map and tag_map; their comments allude to a mapping, but I could not find what the proper syntax was for those items. We hopped onto the Hexo Gitter chat and asked the question, and someone pointed us to this issue. To define a mapping, create an item under either the category_map or tag_map top-level item. The maps for this site, as they currently are, look like this:

category_map:
  C++: c-plus-plus
  C#: c-sharp
  .NET: dot-net
tag_map:
  c#: c-sharp
  .net: dot-net
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As you can see from the links in the sidebar (on the blog itself), β€œProgramming > .NET > C# ends up with a URL ending with /programming/dot-net/c-sharp/, which is exactly what we were looking for.

This post was originally published on techblog.djs-consulting.com

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