From 20009badc7d2bcd35d15adfad159602af372527c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Pierzcha=C5=82a?= <pawelpierzchala@gmail.com>
Date: Wed, 10 Mar 2021 18:27:13 +0100
Subject: [PATCH 1/4] hotwired/turbo support in GTM

---
 .../template/google_tag_manager_head.erb                   | 7 +++++++
 spec/integration/google_tag_manager_integration_spec.rb    | 5 +++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb b/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
index 3b059c0..cd930d0 100644
--- a/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
+++ b/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
@@ -17,6 +17,13 @@
         <% end %>
         dataLayer.push({'event':'pageView','virtualUrl': url});
       });
+      document.addEventListener('turbo:load', function(event) {
+        var url = event.detail.url;
+        <% if events.any? %>
+          dataLayer.push(<%= events.map(&:write).join(', ') %>);
+        <% end %>
+        dataLayer.push({'event':'pageView','virtualUrl': url});
+      });
     <% end %>
   (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
   new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
diff --git a/spec/integration/google_tag_manager_integration_spec.rb b/spec/integration/google_tag_manager_integration_spec.rb
index f8fe375..9d2b5aa 100644
--- a/spec/integration/google_tag_manager_integration_spec.rb
+++ b/spec/integration/google_tag_manager_integration_spec.rb
@@ -23,7 +23,7 @@
     expect(page.find("body")).to have_xpath '//body/noscript/iframe[@src="https://www.googletagmanager.com/ns.html?id=GTM-ABCDEF"]'
   end
 
-  it "embeds the turbolinks observer if requested" do
+  it "embeds turbolinks and turbo observers if requested" do
     visit '/'
     expect(page.find("head")).to_not have_content "turbolinks:load"
     setup_app(action: :google_tag_manager) do |tracker|
@@ -31,5 +31,6 @@
     end
     visit '/'
     expect(page.find("head")).to have_content "turbolinks:load"
+    expect(page.find("head")).to have_content "turbo:load"
   end
-end
\ No newline at end of file
+end

From 7e1592a030f486cc17cb2bb1f7ef6967fb94415d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Pierzcha=C5=82a?= <pawelpierzchala@gmail.com>
Date: Thu, 11 Mar 2021 15:09:41 +0100
Subject: [PATCH 2/4] Prevent duplicate events

---
 .../template/google_tag_manager_head.erb      | 27 ++++++++-----------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb b/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
index cd930d0..5032e60 100644
--- a/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
+++ b/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
@@ -1,30 +1,25 @@
 <% if container %>
-  <% unless options[:turbolinks] %>
-    <% if events.any? %>
-      <script>
-        dataLayer = [];
-        dataLayer.push(<%= events.map(&:write).join(', ') %>);
-      </script>
-    <% end %>
-  <% end %>
-
   <script>
+    dataLayer = [];
+
     <% if options[:turbolinks] %>
       document.addEventListener('turbolinks:load', function(event) {
-        var url = event.data.url;
-        <% if events.any? %>
-          dataLayer.push(<%= events.map(&:write).join(', ') %>);
-        <% end %>
         dataLayer.push({'event':'pageView','virtualUrl': url});
       });
       document.addEventListener('turbo:load', function(event) {
         var url = event.detail.url;
-        <% if events.any? %>
-          dataLayer.push(<%= events.map(&:write).join(', ') %>);
-        <% end %>
         dataLayer.push({'event':'pageView','virtualUrl': url});
       });
     <% end %>
+  </script>
+
+  <% if events.any? %>
+    <script>
+      dataLayer.push(<%= events.map(&:write).join(', ') %>);
+    </script>
+  <% end %>
+
+  <script>
   (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
   new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
   j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=

From 88eb8b47eafeae8d25831f86edf80d1c9cf6b2aa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Pierzcha=C5=82a?= <pawelpierzchala@gmail.com>
Date: Thu, 20 May 2021 13:54:08 +0200
Subject: [PATCH 3/4] Generate unique script tags

---
 .../google_tag_manager/template/google_tag_manager_head.erb   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb b/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
index 5032e60..2df1117 100644
--- a/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
+++ b/lib/rack/tracker/google_tag_manager/template/google_tag_manager_head.erb
@@ -4,6 +4,7 @@
 
     <% if options[:turbolinks] %>
       document.addEventListener('turbolinks:load', function(event) {
+        var url = event.data.url;
         dataLayer.push({'event':'pageView','virtualUrl': url});
       });
       document.addEventListener('turbo:load', function(event) {
@@ -15,6 +16,9 @@
 
   <% if events.any? %>
     <script>
+      <%# Generates unique script tags to ensure that turbo/turbolinks include %>
+      <%# them in the document even if the same event happens more than once %>
+      // Unique Script ID: <%= SecureRandom.base64(8) %>
       dataLayer.push(<%= events.map(&:write).join(', ') %>);
     </script>
   <% end %>

From de0da83dd0316ac6dc7f24faaab9b428751bdfa0 Mon Sep 17 00:00:00 2001
From: Marco Schaden <ms@donschado.de>
Date: Mon, 12 Jul 2021 07:55:53 +0200
Subject: [PATCH 4/4] turbo release

---
 CHANGELOG.md                | 5 +++++
 lib/rack/tracker/version.rb | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e06e08..4398e32 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 1.13.0
+
+* [ENHANCEMENT] hotwired/turbo support #160 (thx @wrozka)
+* [BUGFIX] Use leftmost match for gtm tag injection #156 (thx @yutoji)
+
 # 1.12.1
 
 * [ENHANCEMENT] Use local variables to prevent instance state #151 (thx @bumi)
diff --git a/lib/rack/tracker/version.rb b/lib/rack/tracker/version.rb
index 7d12101..3cf2d99 100644
--- a/lib/rack/tracker/version.rb
+++ b/lib/rack/tracker/version.rb
@@ -1,5 +1,5 @@
 module Rack
   class Tracker
-    VERSION = '1.12.1'
+    VERSION = '1.13.0'
   end
 end