From 41baf2bd5a0737eedd245f06d4466b7b1d3a3d62 Mon Sep 17 00:00:00 2001
From: Stefan Bilharz <stefan@sbsoftware.de>
Date: Thu, 25 Jul 2024 21:02:16 +0200
Subject: [PATCH] HTML-38 Implement NamedTuple#to_html_attrs

---
 spec/instance_template/attributes_spec.cr | 4 ++--
 src/ext/named_tuple.cr                    | 7 +++++++
 src/to_html.cr                            | 1 +
 3 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 src/ext/named_tuple.cr

diff --git a/spec/instance_template/attributes_spec.cr b/spec/instance_template/attributes_spec.cr
index 24f4a9d..06492bb 100644
--- a/spec/instance_template/attributes_spec.cr
+++ b/spec/instance_template/attributes_spec.cr
@@ -7,7 +7,7 @@ module ToHtml::InstanceTemplate::AttributesSpec
 
     ToHtml.instance_template do
       div MyCssClass, MyOtherCssClass, {"class", "so-unique"}, more_css_classes do
-        span(SPECIAL_CSS_CLASSES) { "Blah" }
+        span(SPECIAL_CSS_CLASSES, {class: "moo"}) { "Blah" }
         img SPECIAL_CSS_CLASSES, more_css_classes, {"class", nil}
         div MyStimulusController do
           p({"class", "so-special"}) do
@@ -80,7 +80,7 @@ module ToHtml::InstanceTemplate::AttributesSpec
 
         expected = <<-HTML
         <div class="my-css-class my-other-css-class so-unique my-third-css-class that-other-css-class">
-          <span class="my-css-class my-other-css-class">Blah</span>
+          <span class="my-css-class my-other-css-class moo">Blah</span>
           <img class="my-css-class my-other-css-class my-third-css-class that-other-css-class">
           <div data-controller="my" data-action="click->handle_click()">
             <p class="so-special">Some content</p>
diff --git a/src/ext/named_tuple.cr b/src/ext/named_tuple.cr
new file mode 100644
index 0000000..84fd59b
--- /dev/null
+++ b/src/ext/named_tuple.cr
@@ -0,0 +1,7 @@
+struct NamedTuple
+  def to_html_attrs(_tag, attr_hash)
+    each do |key, value|
+      attr_hash[key.to_s] = value
+    end
+  end
+end
diff --git a/src/to_html.cr b/src/to_html.cr
index f433143..031d025 100644
--- a/src/to_html.cr
+++ b/src/to_html.cr
@@ -1,2 +1,3 @@
 require "./instance_template"
 require "./instance_tag_attrs"
+require "./ext/**"