Add ViewComponent::Form::WeekdaySelectComponent

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 - Add `field_id` helper, backported from Rails 7.0 (#104)
+- Add `weekday_select` helper (#105)
 
 ## [0.1.3] - 2022-01-11
 ### Fixed

README.md

@@ -182,11 +182,11 @@ The following helpers are currently supported by `ViewComponent::Form`.
 
 ### `ActionView::Helpers::FormBuilder`
 
-**Supported:** `button` `check_box` `collection_check_boxes` `collection_radio_buttons` `collection_select` `color_field` `date_field` `date_select` `datetime_field` `datetime_local_field` `datetime_select` `email_field` `fields` `fields_for` `file_field` `field_id` `grouped_collection_select` `hidden_field` `month_field` `number_field` `password_field` `phone_field` `radio_button` `range_field` `search_field` `select` `submit` `telephone_field` `text_area` `text_field` `time_field` `time_select` `time_zone_select` `to_model` `to_partial_path` `url_field` `week_field`
+**Supported:** `button` `check_box` `collection_check_boxes` `collection_radio_buttons` `collection_select` `color_field` `date_field` `date_select` `datetime_field` `datetime_local_field` `datetime_select` `email_field` `fields` `fields_for` `file_field` `field_id` `grouped_collection_select` `hidden_field` `month_field` `number_field` `password_field` `phone_field` `radio_button` `range_field` `search_field` `select` `submit` `telephone_field` `text_area` `text_field` `time_field` `time_select` `time_zone_select` `to_model` `to_partial_path` `url_field` `week_field` `weekday_select`
 
 **Partially supported:** `label` (blocks not supported) `rich_text_area` (untested)
 
-**Unsupported for now:** `field_name` `weekday_select` (Rails 7 only)
+**Unsupported for now:** `field_name`
 
 ### Specific to `ViewComponent::Form`
 

app/components/view_component/form/weekday_select_component.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+if Rails::VERSION::MAJOR >= 7
+  module ViewComponent
+    module Form
+      class WeekdaySelectComponent < FieldComponent
+        attr_reader :html_options
+
+        def initialize(form, object_name, method_name, options = {}, html_options = {})
+          @html_options = html_options
+
+          super(form, object_name, method_name, options)
+
+          set_html_options!
+        end
+
+        def call
+          ActionView::Helpers::Tags::WeekdaySelect.new(
+            object_name,
+            method_name,
+            @view_context,
+            options,
+            html_options
+          ).render
+        end
+
+        protected
+
+        def set_html_options!
+          @html_options[:class] = class_names(html_options[:class], html_class)
+          @html_options.delete(:class) if @html_options[:class].blank?
+        end
+      end
+    end
+  end
+end

spec/view_component/form/weekday_select_component_spec.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+if Rails::VERSION::MAJOR >= 7
+  RSpec.describe ViewComponent::Form::WeekdaySelectComponent, type: :component do
+    let(:object)  { OpenStruct.new }
+    let(:form)    { form_with(object) }
+    let(:options) { {} }
+    let(:html_options) { {} }
+
+    let(:component) { render_inline(described_class.new(form, object_name, :weekday, options, html_options)) }
+    let(:component_html_attributes) { component.css("select").first.attributes }
+
+    context "with simple args" do
+      it "has a select for the weekdays" do
+        expect(component.to_html).to have_tag("select",
+                                              with: { id: "user_weekday", name: "user[weekday]" })
+      end
+    end
+
+    include_examples "component with custom html classes", :html_options
+    include_examples "component with custom data attributes", :html_options
+  end
+end