Use the posts collection, not articles

_config.yml

@@ -66,14 +66,9 @@ sass:
 # Collections config
 # ==================
 #
-# I create two collections in the site: one of articles, one of TILs.
 # See https://jekyllrb.com/docs/collections/ for more info.
 
 collections:
-  articles:
-    output: true
-    permalink: "/:year/:title/"
-
   til:
     output: true
     permalink: "/til/:year/:title/"

front-matter.json

@@ -5,7 +5,7 @@
         "layout": {
             "description": "Which layout template to use.",
             "type": "string",
-            "enum": ["article", "page", "post", "til"]
+            "enum": ["page", "post", "til"]
         },
         "title": {
             "description": "The title of the page or the post.",

scripts/linter.rb

@@ -215,9 +215,9 @@ def check_yaml_front_matter(src_dir)
 
     errors[md_path] = md_errors unless md_errors.empty?
 
-    if md_path.start_with?('src/_articles/') || md_path.start_with?('src/_drafts')
-      if front_matter['layout'] != 'post' && front_matter['layout'] != 'article'
-        errors[md_path] <<= "layout should be 'article' or 'post'; got #{front_matter['layout']}"
+    if md_path.start_with?('src/_posts/') || md_path.start_with?('src/_drafts')
+      if front_matter['layout'] != 'post'
+        errors[md_path] <<= "layout should be 'post'; got #{front_matter['layout']}"
       end
     elsif md_path.start_with?('src/_til/')
       if front_matter['layout'] != 'til'

src/_plugins/card_images.rb

@@ -34,7 +34,7 @@
 require_relative 'pillow/convert_image'
 
 Jekyll::Hooks.register :site, :post_read do |site|
-  site.collections['articles'].docs.each do |post|
+  site.posts.docs.each do |post|
     year = post.date.year
     slug = post.data['slug']
 

src/_plugins/visible_tags.rb

@@ -10,17 +10,17 @@
 Jekyll::Hooks.register :site, :post_read do |site|
   tag_tally = Hash.new(0)
 
-  site.collections['articles'].docs.each do |article|
-    next if article.data.fetch('index', {}).fetch('exclude', false)
+  site.posts.docs.each do |post|
+    next if post.data.fetch('index', {}).fetch('exclude', false)
 
-    article.data['tags'].each do |tag|
+    post.data['tags'].each do |tag|
       tag_tally[tag] += 1
     end
   end
 
   visible_tags = tag_tally.select { |_, count| count > 1 }.keys.to_set
 
-  site.collections['articles'].docs.each do |article|
-    article.data['visible_tags'] = article.data['tags'].select { |t| visible_tags.include? t }
+  site.posts.docs.each do |post|
+    post.data['visible_tags'] = post.data['tags'].select { |t| visible_tags.include? t }
   end
 end

src/_articles/2013/2013-01-10-zero.md → src/_posts/2013/2013-01-10-zero.md

@@ -1,5 +1,5 @@
 ---
-layout: article
+layout: post
 date: 2013-01-10 00:41:00 +0000
 summary: An essay about the number zero that I wrote for school.
 tags: