Extract analytics tools into a seprate gem plugin

Gemfile

@@ -37,6 +37,7 @@ end
 
 # Gems for al-folio plugins
 group :al_folio_plugins do
+    gem 'al_analytics', :git => 'https://github.com/al-org-dev/al-analytics.git'
     gem 'al_citations', :git => 'https://github.com/al-org-dev/al-citations.git'
     gem 'al_ext_posts', :git => 'https://github.com/al-org-dev/al-ext-posts.git'
 end

Gemfile.lock

@@ -6,6 +6,14 @@ GIT
       jekyll (>= 0.10.0)
       terser (>= 1.0.0)
 
+GIT
+  remote: https://github.com/al-org-dev/al-analytics.git
+  revision: a9c7821b0a3639ed3f1cc8a8cdcaabfbb4f64f5d
+  specs:
+    al_analytics (0.1.0)
+      jekyll (>= 3.0)
+      liquid (>= 4.0)
+
 GIT
   remote: https://github.com/al-org-dev/al-citations.git
   revision: d6dd73152f8ceafe475f0f0ad5c846167c006e4f
@@ -288,6 +296,7 @@ PLATFORMS
   x86_64-linux-musl
 
 DEPENDENCIES
+  al_analytics!
   al_citations!
   al_ext_posts!
   classifier-reborn

_config.yml

@@ -72,12 +72,13 @@ og_image: # The site-wide (default for all links) Open Graph preview image
 # Analytics and search engine verification
 # -----------------------------------------------------------------------------
 
-# For Google Analytics, see https://support.google.com/analytics/answer/10447272?hl=en&ref_topic=14088998&sjid=5129943941510317771-SA#zippy=%2Cgoogle-sites
-# and follow the instructions for Google Sites. You will need to create a Google Analytics property and copy the Google tag ID.
-google_analytics: # your Google Analytics measurement ID (format: G-XXXXXXXXXX)
-cronitor_analytics: # cronitor RUM analytics site ID (format: XXXXXXXXX)
-pirsch_analytics: # your Pirsch analytics site ID (length 32 characters)
-openpanel_analytics: # your Openpanel analytics client ID (format: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)
+analytics:
+  # For Google Analytics, see https://support.google.com/analytics/answer/10447272?hl=en&ref_topic=14088998&sjid=5129943941510317771-SA#zippy=%2Cgoogle-sites
+  # and follow the instructions for Google Sites. You will need to create a Google Analytics property and copy the Google tag ID.
+  google: # your Google Analytics measurement ID (format: G-XXXXXXXXXX)
+  cronitor: # cronitor RUM analytics site ID (format: XXXXXXXXX)
+  pirsch: # your Pirsch analytics site ID (length 32 characters)
+  openpanel: # your Openpanel analytics client ID (format: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)
 
 # For Google Search Console, see https://support.google.com/webmasters/answer/9008080?hl=en#meta_tag_verification&zippy=%2Chtml-tag
 google_site_verification: # your google-site-verification ID (Google Search Console)
@@ -228,6 +229,7 @@ plugins:
   - jemoji
 
   # al-folio plugins
+  - al_analytics
   - al_citations
   - al_ext_posts
 
@@ -392,10 +394,6 @@ lazy_loading_images: true # enables lazy loading of images (recommended)
 # Optional Features
 # -----------------------------------------------------------------------------
 
-enable_google_analytics: false # enables google analytics
-enable_cronitor_analytics: false # enables cronitor RUM analytics
-enable_pirsch_analytics: false # enables Pirsch analytics (https://pirsch.io/)
-enable_openpanel_analytics: false # enables Openpanel analytics (https://openpanel.dev/)
 enable_google_verification: false # enables google site verification
 enable_bing_verification: false # enables bing site verification
 enable_masonry: true # enables automatic project cards arrangement

_includes/scripts.liquid

@@ -212,29 +212,9 @@
   {% endunless %}
 {% endif %}
 
-{% if site.enable_google_analytics %}
+{% if site.plugins contains 'al_analytics' %}
   <!-- Analytics -->
-  <!-- Global site tag (gtag.js) - Google Analytics -->
-  <script async src="https://www.googletagmanager.com/gtag/js?id={{ site.google_analytics }}"></script>
-  <script defer src="{{ '/assets/js/google-analytics-setup.js' | relative_url | bust_file_cache }}"></script>
-{% endif %}
-
-{% if site.enable_cronitor_analytics %}
-  <!-- Cronitor RUM -->
-  <script async src="https://rum.cronitor.io/script.js"></script>
-  <script defer src="{{ '/assets/js/cronitor-analytics-setup.js' | relative_url | bust_file_cache }}"></script>
-{% endif %}
-{% if site.enable_pirsch_analytics %}
-  <script
-    defer
-    src="https://api.pirsch.io/pa.js"
-    id="pianjs"
-    data-code="{{ site.pirsch_analytics }}"
-  ></script>
-{% endif %}
-{% if site.enable_openpanel_analytics %}
-  <script defer src="{{ '/assets/js/open-panel-analytics-setup.js' | relative_url | bust_file_cache }}"></script>
-  <script async defer src="https://openpanel.dev/op1.js"></script>
+  {% al_analytics_scripts %}
 {% endif %}
 
 {% if site.enable_progressbar %}