[Feature] Add NativeSelect component

lib/ruby_ui/native_select/native_select.rb

@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+module RubyUI
+  class NativeSelect < Base
+    def initialize(size: :default, **attrs)
+      @size = size
+      super(**attrs)
+    end
+
+    def view_template(&block)
+      div(
+        class: "group/native-select relative w-fit has-[select:disabled]:opacity-50"
+      ) do
+        select(**attrs, &block)
+        render RubyUI::NativeSelectIcon.new
+      end
+    end
+
+    private
+
+    def default_attrs
+      {
+        data: {
+          ruby_ui__form_field_target: "input",
+          action: "change->ruby-ui--form-field#onChange invalid->ruby-ui--form-field#onInvalid"
+        },
+        class: [
+          "border-border bg-transparent text-sm w-full min-w-0 appearance-none rounded-md border py-1 pr-8 pl-2.5 shadow-xs transition-[color,box-shadow] outline-none select-none ring-0 ring-ring/0",
+          "placeholder:text-muted-foreground",
+          "selection:bg-primary selection:text-primary-foreground",
+          "focus-visible:outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-2",
+          "disabled:pointer-events-none disabled:cursor-not-allowed disabled:opacity-50",
+          "aria-invalid:ring-destructive/20 aria-invalid:border-destructive aria-invalid:ring-2",
+          (@size == :sm) ? "h-7 rounded-md py-0.5" : "h-9"
+        ]
+      }
+    end
+  end
+end

lib/ruby_ui/native_select/native_select_docs.rb

@@ -0,0 +1,83 @@
+# frozen_string_literal: true
+
+class Views::Docs::NativeSelect < Views::Base
+  def view_template
+    component = "NativeSelect"
+
+    div(class: "max-w-2xl mx-auto w-full py-10 space-y-10") do
+      render Docs::Header.new(title: "Native Select", description: "A styled native HTML select element with consistent design system integration.")
+
+      Heading(level: 2) { "Usage" }
+
+      render Docs::VisualCodeExample.new(title: "Default", context: self) do
+        <<~RUBY
+          div(class: "grid w-full max-w-sm items-center gap-1.5") do
+            NativeSelect do
+              NativeSelectOption(value: "") { "Select a fruit" }
+              NativeSelectOption(value: "apple") { "Apple" }
+              NativeSelectOption(value: "banana") { "Banana" }
+              NativeSelectOption(value: "blueberry") { "Blueberry" }
+              NativeSelectOption(value: "pineapple") { "Pineapple" }
+            end
+          end
+        RUBY
+      end
+
+      render Docs::VisualCodeExample.new(title: "Groups", description: "Use NativeSelectGroup to organize options into categories.", context: self) do
+        <<~RUBY
+          div(class: "grid w-full max-w-sm items-center gap-1.5") do
+            NativeSelect do
+              NativeSelectOption(value: "") { "Select a department" }
+              NativeSelectGroup(label: "Engineering") do
+                NativeSelectOption(value: "frontend") { "Frontend" }
+                NativeSelectOption(value: "backend") { "Backend" }
+                NativeSelectOption(value: "devops") { "DevOps" }
+              end
+              NativeSelectGroup(label: "Sales") do
+                NativeSelectOption(value: "account_executive") { "Account Executive" }
+                NativeSelectOption(value: "sales_development") { "Sales Development" }
+              end
+            end
+          end
+        RUBY
+      end
+
+      render Docs::VisualCodeExample.new(title: "Disabled", description: "Add the disabled attribute to the NativeSelect component to disable the select.", context: self) do
+        <<~RUBY
+          div(class: "grid w-full max-w-sm items-center gap-1.5") do
+            NativeSelect(disabled: true) do
+              NativeSelectOption(value: "") { "Select a fruit" }
+              NativeSelectOption(value: "apple") { "Apple" }
+              NativeSelectOption(value: "banana") { "Banana" }
+              NativeSelectOption(value: "blueberry") { "Blueberry" }
+            end
+          end
+        RUBY
+      end
+
+      render Docs::VisualCodeExample.new(title: "Invalid", description: "Use aria-invalid to show validation errors.", context: self) do
+        <<~RUBY
+          div(class: "grid w-full max-w-sm items-center gap-1.5") do
+            NativeSelect(aria: {invalid: "true"}) do
+              NativeSelectOption(value: "") { "Select a fruit" }
+              NativeSelectOption(value: "apple") { "Apple" }
+              NativeSelectOption(value: "banana") { "Banana" }
+              NativeSelectOption(value: "blueberry") { "Blueberry" }
+            end
+          end
+        RUBY
+      end
+
+      Heading(level: 2) { "Native Select vs Select" }
+
+      div(class: "space-y-2 text-sm text-muted-foreground") do
+        p { "NativeSelect: Choose for native browser behavior, superior performance, or mobile-optimized dropdowns." }
+        p { "Select: Choose for custom styling, animations, or complex interactions." }
+      end
+
+      render Components::ComponentSetup::Tabs.new(component_name: component)
+
+      render Docs::ComponentsTable.new(component_files(component))
+    end
+  end
+end

lib/ruby_ui/native_select/native_select_group.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module RubyUI
+  class NativeSelectGroup < Base
+    def view_template(&)
+      optgroup(**attrs, &)
+    end
+
+    private
+
+    def default_attrs
+      {}
+    end
+  end
+end

lib/ruby_ui/native_select/native_select_icon.rb

@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+module RubyUI
+  class NativeSelectIcon < Base
+    def view_template(&block)
+      span(**attrs) do
+        if block
+          block.call
+        else
+          icon
+        end
+      end
+    end
+
+    private
+
+    def icon
+      svg(
+        xmlns: "http://www.w3.org/2000/svg",
+        viewbox: "0 0 24 24",
+        fill: "none",
+        stroke: "currentColor",
+        stroke_width: "2",
+        stroke_linecap: "round",
+        stroke_linejoin: "round",
+        class: "size-4",
+        aria_hidden: "true"
+      ) do |s|
+        s.path(d: "m6 9 6 6 6-6")
+      end
+    end
+
+    def default_attrs
+      {
+        class: "text-muted-foreground pointer-events-none absolute top-1/2 right-2.5 -translate-y-1/2 select-none"
+      }
+    end
+  end
+end

lib/ruby_ui/native_select/native_select_option.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module RubyUI
+  class NativeSelectOption < Base
+    def view_template(&)
+      option(**attrs, &)
+    end
+
+    private
+
+    def default_attrs
+      {}
+    end
+  end
+end

test/ruby_ui/native_select_test.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class RubyUI::NativeSelectTest < ComponentTest
+  def test_render_with_all_items
+    output = phlex do
+      RubyUI.NativeSelect(name: "department") do
+        RubyUI.NativeSelectOption(value: "") { "Select a department" }
+        RubyUI.NativeSelectGroup(label: "Engineering") do
+          RubyUI.NativeSelectOption(value: "frontend") { "Frontend" }
+          RubyUI.NativeSelectOption(value: "backend") { "Backend" }
+        end
+        RubyUI.NativeSelectGroup(label: "Sales") do
+          RubyUI.NativeSelectOption(value: "account_executive") { "Account Executive" }
+        end
+      end
+    end
+
+    assert_match(/Frontend/, output)
+    assert_match('name="department"', output)
+  end
+end