Sunday, May 5, 2019

Using Hugo Without a Theme

Hugo is a very powerful site generator, and includes plenty of features for large static sites. Most tutorials focus on how to quickly get a nice-looking site using a theme.

What if you're coming from the other direction, however? Maybe you want to extend an existing single-page site to multiple pages without totally structuring it (or copying and pasting the common bits). Or maybe you're perfectly happy to write your own CSS. Hugo is still a great tool!


Just show me an example!

You don't have to read any of this post if you don't want to -- just see the hugo-skel repository in Github.


The explanation

(This isn't meant to be a standalone post -- It's helpful to work through the Hugo quickstart guide, at least, to get familiar with Hugo's terminology and basic structure.)

The gist of it is, look at the base template lookup order, which shows that you can use the layouts directory instead of the themes directory to find templates.

  • All you really need is layouts/_default/baseof.html -- that's the base template for all other types of pages. This is where you write "<!DOCTYPE html><html lang="en"><head> [...]".
  • To define actual pages, put them in content just as you would if you were using a theme. Here's a minimal example:
    ---
    title: "Main page"
    ---
    <p>This is the main page content.</p>
  • Put your static files (CSS, Javascript) in the static directory.
  • You'll get warnings if you don't define at least a few other specific templates:
    • Hugo will give warnings on site generation unless you have (assuming we're putting everything in the layouts directory): layouts/index.html and layouts/_default/single.html. To (mostly) avoid duplicating template logic, you can have them reference your baseof.html: Where you'll want the main content of your pages, define a "main" block in baseof.html like this:
      {{ block "main" . }}{{ .Content }}{{ end}}
    • Now, you can write a minimal template in layouts/index.html -- layouts/_default/single.html: Put the following in both files to override the "main" block from baseof.html with an empty string:
      {{ block "main" . }}{{ end}}
  • By default Hugo also wants to generate "taxonomy" pages, which list groups of pages of the same type. To turn this off, add the following to your config.toml:
    disableKinds = ["taxonomy", "taxonomyTerm"]

That's it! Now you've got all the power of Hugo's template engine, without anything controlling your formatting.


All of this, along with an example of using Hugo's menu system, is in the hugo-skel git repo. I tested this out with Hugo 0.54.0.

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