From 146d55d1161f59a6822a778514468e4d48d65462 Mon Sep 17 00:00:00 2001
From: stephann <3025661+stephannv@users.noreply.github.com>
Date: Sun, 29 Sep 2024 10:53:08 -0300
Subject: [PATCH] feat: Improve undefined method msg for style builder (#6)

---
 lib/phlex/variants.rb       |  5 +++++
 spec/phlex/variants_spec.rb | 14 ++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/lib/phlex/variants.rb b/lib/phlex/variants.rb
index b5c2f5b..8169b71 100644
--- a/lib/phlex/variants.rb
+++ b/lib/phlex/variants.rb
@@ -82,6 +82,11 @@ def variants(&)
       def defaults(**variants)
         view_class::STYLE_DEFAULTS.merge!(variants)
       end
+
+      def method_missing(method, *args, &) # standard:disable Style/MissingRespondToMissing
+        message = "undefined method '#{method}' for an instance of Phlex::Variants::StyleBuilder. The available methods are: 'base', 'variants' and 'defaults'"
+        raise NoMethodError, message
+      end
     end
 
     # @api private
diff --git a/spec/phlex/variants_spec.rb b/spec/phlex/variants_spec.rb
index c7f1317..67f57cf 100644
--- a/spec/phlex/variants_spec.rb
+++ b/spec/phlex/variants_spec.rb
@@ -245,6 +245,20 @@ def view_template
     expect(actual_classes).to eq expected_classes
   end
 
+  it "explains propery when calling undefined method from StyleBuilder" do
+    msg = "undefined method 'color' for an instance of Phlex::Variants::StyleBuilder. The available methods are: 'base', 'variants' and 'defaults'"
+
+    expect do
+      phlex_class do
+        style do
+          color do
+            red "bg-red-200 hover:bg-red-400"
+          end
+        end
+      end
+    end.to raise_error(NoMethodError, msg)
+  end
+
   def phlex_class(&)
     Class.new(Phlex::HTML) do
       include Phlex::Variants