From c1ce6ba176f90aabea6226944739f7c247027712 Mon Sep 17 00:00:00 2001
From: Jared White <jared@whitefusion.studio>
Date: Tue, 17 Dec 2024 15:06:01 -0800
Subject: [PATCH] Cache instantiated template objects for ERB and Serbea (#958)

---
 .../converters/erb_templates.rb                | 18 +++++++++++-------
 .../converters/serbea_templates.rb             | 11 +++++++----
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/bridgetown-core/lib/bridgetown-core/converters/erb_templates.rb b/bridgetown-core/lib/bridgetown-core/converters/erb_templates.rb
index 59abab91f..ced919a05 100644
--- a/bridgetown-core/lib/bridgetown-core/converters/erb_templates.rb
+++ b/bridgetown-core/lib/bridgetown-core/converters/erb_templates.rb
@@ -119,13 +119,17 @@ class ERBTemplates < Converter
       def convert(content, convertible)
         erb_view = Bridgetown::ERBView.new(convertible)
 
-        erb_renderer = Tilt::ErubiTemplate.new(
-          convertible.path,
-          line_start(convertible),
-          outvar: "@_erbout",
-          bufval: "Bridgetown::OutputBuffer.new",
-          engine_class: ERBEngine
-        ) { content }
+        erb_renderer =
+          convertible.site.tmp_cache["erb-tmpl:#{convertible.path}:#{content.hash}"] ||=
+            Tilt::ErubiTemplate.new(
+              convertible.path,
+              line_start(convertible),
+              outvar: "@_erbout",
+              bufval: "Bridgetown::OutputBuffer.new",
+              engine_class: ERBEngine
+            ) do
+              content
+            end
 
         if convertible.is_a?(Bridgetown::Layout)
           erb_renderer.render(erb_view) do
diff --git a/bridgetown-core/lib/bridgetown-core/converters/serbea_templates.rb b/bridgetown-core/lib/bridgetown-core/converters/serbea_templates.rb
index ec72f5e60..523baba4e 100644
--- a/bridgetown-core/lib/bridgetown-core/converters/serbea_templates.rb
+++ b/bridgetown-core/lib/bridgetown-core/converters/serbea_templates.rb
@@ -34,10 +34,13 @@ class SerbeaTemplates < Converter
       # @return [String] The converted content
       def convert(content, convertible)
         serb_view = Bridgetown::SerbeaView.new(convertible)
-        serb_renderer = Tilt::SerbeaTemplate.new(
-          convertible.path,
-          line_start(convertible)
-        ) { content }
+
+        serb_renderer =
+          convertible.site.tmp_cache["serb-tmpl:#{convertible.path}:#{content.hash}"] ||=
+            Tilt::SerbeaTemplate.new(
+              convertible.path,
+              line_start(convertible)
+            ) { content }
 
         if convertible.is_a?(Bridgetown::Layout)
           serb_renderer.render(serb_view) do