Add Skeleton component

lib/phlexy_ui/skeleton.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module PhlexyUI
+  class Skeleton < Base
+    def initialize(*, as: :div, **)
+      super(*, **)
+      @as = as
+    end
+
+    def view_template(&)
+      generate_classes!(
+        component_html_class: :skeleton,
+        modifiers_map: modifiers,
+        base_modifiers:,
+        options:
+      ).then do |classes|
+        public_send(as, class: classes, **options, &)
+      end
+    end
+
+    private
+
+    register_modifiers({})
+  end
+end

spec/lib/phlexy_ui/skeleton_spec.rb

@@ -0,0 +1,35 @@
+require "spec_helper"
+
+describe PhlexyUI::Skeleton do
+  subject(:output) { render described_class.new }
+
+  describe "rendering a full skeleton" do
+    let(:component) do
+      Class.new(Phlex::HTML) do
+        def view_template(&)
+          render PhlexyUI::Skeleton.new(
+            :neutral,
+            as: :section,
+            data: {
+              my: :skeleton
+            }
+          ) do
+            "Skeleton"
+          end
+        end
+      end
+    end
+
+    subject(:output) do
+      render component.new
+    end
+
+    it "is expected to match the formatted HTML" do
+      expected_html = html <<~HTML
+        <section class="skeleton" data-my="skeleton">Skeleton</section>
+      HTML
+
+      is_expected.to eq(expected_html)
+    end
+  end
+end