Title template (#597)

Move title generation to its own liquid template.
electricbookworks · Sep 20, 2021 · 659bcb3 · 659bcb3
1 parent de6250d
commit 659bcb3
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Showing 2 changed files with 38 additions and 39 deletions.
diff --git a/_includes/head.html b/_includes/head.html
@@ -1,43 +1,5 @@
 {% include metadata %}
-
-{% comment %} Determine the HTML <title>. Default is project title in meta.yml.
-If we're in a book, the metadata include sets the book title as 'title'.
-If the page has a title in its YAML frontmatter, append it after a colon,
-unless (a) this is the home page, in which case only use the page title, or
-(b) it's the same as the project/book title, in which case don't duplicate.
-
-If we're generating a PDF, the first HTML doc in the file list will set
-the entire PDF document title. So if we are outputting more than one file,
-we want the doc name to be the book title, not only the first doc's title.
-{% endcomment %}
-{% capture html-title %}{{ project-name }}{% endcapture %}
-{% if title and title != "" %}
-    {% capture html-title %}{{ title }}{% endcapture %}
-{% endif %}
-{% if page.title and page.title != "" %}
-    {% if html-title != page.title %}
-        {% if is-homepage %}
-            {% capture html-title %}{{ page.title }}{% endcapture %}
-        {% else %}
-            {% capture html-title %}{{ html-title }}: {{ page.title }}{% endcapture %}
-        {% endif %}
-    {% endif %}
-{% endif %}
-
-{% if site.output == "print-pdf" %}
-    {% if print-pdf-file-list.size > 1 %}
-        {% capture html-title %}{{ title }}{% endcapture %}
-    {% endif %}
-{% endif %}
-
-{% if site.output == "screen-pdf" %}
-    {% if screen-pdf-file-list.size > 1 %}
-        {% capture html-title %}{{ title }}{% endcapture %}
-    {% endif %}
-{% endif %}
-
-{% capture book-title %}{{ title }}{% endcapture %}
-
+{% include title %}
 
 {% if site.output == "print-pdf" %}
 <!DOCTYPE html>

diff --git a/_includes/title b/_includes/title
@@ -0,0 +1,37 @@
+{% comment %}
+Determine the HTML <title>. Default is project title in meta.yml.
+If we're in a book, the metadata include sets the book title as 'title'.
+If the page has a title in its YAML frontmatter, append it after a n-dash,
+unless (a) this is the home page, in which case only use the page title, or
+(b) it's the same as the project/book title, in which case don't duplicate.
+{% endcomment %}
+
+{% capture html-title %}{{ project-name }}{% endcapture %}
+{% if title and title != "" %}
+    {% capture html-title %}{{ title }}{% endcapture %}
+{% endif %}
+{% if page.title and page.title != "" and html-title != page.title %}
+    {% if is-homepage %}
+        {% capture html-title %}{{ page.title }}{% endcapture %}
+    {% else %}
+        {% capture html-title %}{{ page.title }} &ndash; {{ html-title }}{% endcapture %}
+    {% endif %}
+{% endif %}
+
+{% comment %}
+If we're generating a PDF, the first HTML doc in the file list will set
+the entire PDF document title. So if we are outputting more than one file,
+we want the doc name to be the book title, not only the first doc's title.
+{% endcomment %}
+
+{% if site.output == "print-pdf" %}
+    {% if print-pdf-file-list.size > 1 %}
+        {% capture html-title %}{{ title }}{% endcapture %}
+    {% endif %}
+{% elsif site.output == "screen-pdf" %}
+    {% if screen-pdf-file-list.size > 1 %}
+        {% capture html-title %}{{ title }}{% endcapture %}
+    {% endif %}
+{% endif %}
+
+{% capture book-title %}{{ title }}{% endcapture %}