views: factor out humanized_number helper.

* Render counts in the user profile tooltip the same way as tag counts.
* Render tag counts in the tags index page the same way as tag counts in
  the tags list.

app/components/tag_list_component.rb

@@ -2,6 +2,7 @@
 
 class TagListComponent < ApplicationComponent
   attr_reader :tags, :current_query, :show_extra_links
+  delegate :humanized_number, to: :helpers
 
   def initialize(tags: [], current_query: nil, show_extra_links: false)
     @tags = tags
@@ -38,14 +39,4 @@ class TagListComponent < ApplicationComponent
   def is_underused_tag?(tag)
     tag.post_count <= 1 && tag.general? && tag.name !~ /_\((cosplay|style)\)\z/
   end
-
-  def humanized_post_count(tag)
-    if tag.post_count >= 10_000
-      "#{tag.post_count / 1_000}k"
-    elsif tag.post_count >= 1_000
-      "%.1fk" % (tag.post_count / 1_000.0)
-    else
-      tag.post_count.to_s
-    end
-  end
 end

app/components/tag_list_component/tag_list_component.html+categorized.erb

@@ -22,7 +22,7 @@
 
           <%= link_to t.pretty_name, posts_path(tags: t.name), class: "search-tag" %>
 
-          <%= tag.span humanized_post_count(t), class: ["post-count", ("low-post-count" if is_underused_tag?(t))], title: t.post_count %>
+          <%= tag.span humanized_number(t.post_count), class: ["post-count", ("low-post-count" if is_underused_tag?(t))], title: t.post_count %>
         </li>
       <% end %>
     </ul>

app/components/tag_list_component/tag_list_component.html+search.erb

@@ -16,7 +16,7 @@
       <% end %>
 
       <%= link_to t.pretty_name, posts_path(tags: t.name), class: "search-tag" %>
-      <%= tag.span humanized_post_count(t), class: "post-count", title: t.post_count %>
+      <%= tag.span humanized_number(t.post_count), class: "post-count", title: t.post_count %>
     </li>
   <% end %>
 </ul>

app/helpers/application_helper.rb

@@ -122,7 +122,13 @@ module ApplicationHelper
   end
 
   def humanized_number(number)
-    number_to_human number, units: { thousand: "k", million: "m" }, format: "%n%u"
+    if number >= 10_000
+      "#{number / 1_000}k"
+    elsif number >= 1_000
+      "%.1fk" % (number / 1_000.0)
+    else
+      number.to_s
+    end
   end
 
   def time_ago_in_words_tagged(time, compact: false)

app/views/tags/index.html.erb

@@ -14,7 +14,7 @@
           ← <%= link_to tag_alias.antecedent_name, tag_alias, class: "fineprint" %>
         <% end %>
 
-        <%= tag.span t.post_count, class: "post-count" %>
+        <%= tag.span humanized_number(t.post_count), class: "post-count", title: t.post_count %>
       <% end %>
       <% t.column column: "control" do |tag| %>
         <% if policy(tag).update? %>