Remove capitalization helper

app/helpers/rails_admin/application_helper.rb

@@ -1,13 +1,5 @@
 module RailsAdmin
   module ApplicationHelper
-    def capitalize_first_letter(wording)
-      return nil unless wording.present? && wording.is_a?(String)
-
-      wording = wording.dup
-      wording[0] = wording[0].mb_chars.capitalize.to_s
-      wording
-    end
-
     def authorized?(action_name, abstract_model = nil, object = nil)
       object = nil if object.try :new_record?
       action(action_name, abstract_model, object).try(:authorized?)
@@ -58,10 +50,10 @@ def wording_for(label, action = @action, abstract_model = @abstract_model, objec
       object = nil unless abstract_model && object.is_a?(abstract_model.model)
       action = RailsAdmin::Config::Actions.find(action.to_sym) if action.is_a?(Symbol) || action.is_a?(String)
 
-      capitalize_first_letter I18n.t(
+      I18n.t(
         "admin.actions.#{action.i18n_key}.#{label}",
-        model_label: model_config && model_config.label,
-        model_label_plural: model_config && model_config.label_plural,
+        model_label: model_config&.label,
+        model_label_plural: model_config&.label_plural,
         object_label: model_config && object.try(model_config.object_label_method),
       )
     end
@@ -76,7 +68,7 @@ def main_navigation
 
         label = navigation_label || t('admin.misc.navigation')
 
-        %(<li class='dropdown-header'>#{capitalize_first_letter label}</li>#{li_stack}) if li_stack.present?
+        %(<li class='dropdown-header'>#{label}</li>#{li_stack}) if li_stack.present?
       end.join.html_safe
     end
 
@@ -91,7 +83,7 @@ def root_navigation
         end.join.html_safe
         label ||= t('admin.misc.root_navigation')
 
-        %(<li class='dropdown-header'>#{capitalize_first_letter label}</li>#{li_stack}) if li_stack.present?
+        %(<li class='dropdown-header'>#{label}</li>#{li_stack}) if li_stack.present?
       end.join.html_safe
     end
 
@@ -112,7 +104,7 @@ def navigation(nodes_stack, nodes, level = 0)
         level_class = " nav-level-#{level}" if level > 0
         nav_icon = node.navigation_icon ? %(<i class="#{node.navigation_icon}"></i>).html_safe : ''
         li = content_tag :li, data: {model: model_param} do
-          link_to nav_icon + capitalize_first_letter(node.label_plural), url, class: "pjax#{level_class}"
+          link_to nav_icon + node.label_plural, url, class: "pjax#{level_class}"
         end
         li + navigation(nodes_stack, nodes_stack.select { |n| n.parent.to_s == node.abstract_model.model_name }, level + 1)
       end.join.html_safe

app/helpers/rails_admin/form_builder.rb

@@ -44,7 +44,7 @@ def field_wrapper_for(field, nested_in)
       return if nested_field_association?(field, nested_in)
       @template.content_tag(:div, class: "form-group control-group #{field.type_css_class} #{field.css_class} #{'error' if field.errors.present?}", id: "#{dom_id(field)}_field") do
         if field.label
-          label(field.method_name, capitalize_first_letter(field.label), class: 'col-sm-2 control-label') +
+          label(field.method_name, field.label, class: 'col-sm-2 control-label') +
             (field.nested_form ? field_for(field) : input_for(field))
         else
           field.nested_form ? field_for(field) : input_for(field)

app/views/rails_admin/main/dashboard.html.haml

@@ -15,7 +15,7 @@
             - last_created = @most_recent_created[abstract_model.model.name]
             - active = last_created.try(:today?)
             %td
-              %span.show= link_to capitalize_first_letter(abstract_model.config.label_plural), index_path, class: 'pjax'
+              %span.show= link_to abstract_model.config.label_plural, index_path, class: 'pjax'
             %td
               - if last_created
                 = t "admin.misc.time_ago", time: time_ago_in_words(last_created), default: "#{time_ago_in_words(last_created)} #{t("admin.misc.ago")}"

app/views/rails_admin/main/export.html.haml

@@ -30,11 +30,11 @@
                   - polymorphic_type_column_name = @abstract_model.properties.detect {|p| field.association.foreign_type == p.name }.name
                   %label{for: "schema_#{list}_#{polymorphic_type_column_name}"}
                     = check_box_tag "schema[#{list}][]", polymorphic_type_column_name, true, { id: "schema_#{list}_#{polymorphic_type_column_name}" }
-                    = capitalize_first_letter(field.label) + " [type]"
+                    = field.label + " [type]"
                 - else
                   %label{for: "schema_#{list}_#{field.name}"}
                     = check_box_tag "schema[#{list}][]", field.name, true, { id: "schema_#{list}_#{field.name}" }
-                    = capitalize_first_letter(field.label)
+                    = field.label
 
     - visible_fields.select{ |f| f.association? && !f.association.polymorphic? }.each do |field|
       - fields = field.associated_model_config.export.with(controller: self.controller, view: self, object: (associated_model = field.associated_model_config.abstract_model.model).new).visible_fields.select{ |f| !f.association? }
@@ -49,7 +49,7 @@
                 .checkbox.col-sm-3
                   %label{for: "schema_include_#{field.name}_#{list}_#{associated_model_field.name}"}
                     = check_box_tag "schema[include][#{field.name}][#{list}][]", associated_model_field.name, true, { id: "schema_include_#{field.name}_#{list}_#{associated_model_field.name}" }
-                    = capitalize_first_letter(associated_model_field.label)
+                    = associated_model_field.label
 
   %fieldset
     %legend

app/views/rails_admin/main/index.html.haml

@@ -35,7 +35,7 @@
           - else
             - ''
           %li
-            %a{href: '#', :"data-field-label" => field.label, :"data-field-name" => field.name, :"data-field-operator" => field.default_filter_operator, :"data-field-options" => field_options.html_safe, :"data-field-required" => field.required.to_s, :"data-field-type" => field.type, :"data-field-value" => "", :"data-field-datetimepicker-format" => field.try(:momentjs_format)}= capitalize_first_letter(field.label)
+            %a{href: '#', :"data-field-label" => field.label, :"data-field-name" => field.name, :"data-field-operator" => field.default_filter_operator, :"data-field-options" => field_options.html_safe, :"data-field-required" => field.required.to_s, :"data-field-type" => field.type, :"data-field-value" => "", :"data-field-datetimepicker-format" => field.try(:momentjs_format)}= field.label
 
 %style
   - properties.select{ |p| p.column_width.present? }.each do |property|
@@ -86,7 +86,7 @@
             - if property.sortable
               - sort_location = index_path params.except('sort_reverse').except('page').merge(sort: property.name).merge(selected && sort_reverse != "true" ? {sort_reverse: "true"} : {})
               - sort_direction = (sort_reverse == 'true' ? "headerSortUp" : "headerSortDown" if selected)
-            %th{class: "#{property.sortable && "header pjax" || nil} #{sort_direction if property.sortable && sort_direction} #{property.css_class} #{property.type_css_class}", :'data-href' => (property.sortable && sort_location), rel: "tooltip", title: "#{property.hint}"}= capitalize_first_letter(property.label)
+            %th{class: "#{property.sortable && "header pjax" || nil} #{sort_direction if property.sortable && sort_direction} #{property.css_class} #{property.type_css_class}", :'data-href' => (property.sortable && sort_location), rel: "tooltip", title: "#{property.hint}"}= property.label
           - if other_right
             %th.other.right.shrink= "..."
           - unless frozen_columns

spec/helpers/rails_admin/application_helper_spec.rb

@@ -148,7 +148,7 @@
         bc = helper.breadcrumb
         expect(bc).to match(/Dashboard/) # dashboard
         expect(bc).to match(/Teams/) # list
-        expect(bc).to match(/The avengers/) # show
+        expect(bc).to match(/the avengers/) # show
         expect(bc).to match(/Edit/) # current (edit)
       end
     end
@@ -283,7 +283,7 @@
             navigation_label 'commentable'
           end
         end
-        expect(helper.main_navigation).to match(/(dropdown\-header).*(Commentable).*(Comments)/m)
+        expect(helper.main_navigation).to match(/(dropdown\-header).*(commentable).*(Comments)/m)
       end
 
       it 'nests in parent model' do