Guest writers

My friend Luís modified one of my blog posts on WebGL shaders, and we posted it here. I didn’t have this blog set up for guest posts, so here’s what I’ve done.

I need to mark who wrote the post. We do this with an author key in the metadata, like:

---
title: "Cool WebGL shader"
author: luis
---

This should default to me. I set this in my _config.yml:

defaults:
  - values:
      author: jim

For info about those authors, I created _data/people.yaml:

luis:
  name: "Luís Fonseca"
  url: "http://luisfonseca.xyz/"

We can look up this data in the post layout, like so:

{% if page.author != "jim" %}
  <h2>By
    <a href="{{site.data.people[page.author].url}}">
      {{site.data.people[page.author].name}}
    </a>
  </h2>
{% endif %}

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