[openstreetmap/openstreetmap-website] Added color preview box in tag browser sidebar (#1779)

[Ilya Zverev]

Zverik commented on this pull request.



> @@ -188,4 +190,16 @@ def telephone_link(_key, value)
 
     "tel:#{value_no_whitespace}"
   end
+
+  def colour_preview(key, value)
+    return nil unless (key =~ /^(|building:|ref:|roof:)colour$/ || key =~ /^(int_)?ref:colour(_(bg|tx))?$/) && !value.nil?

I agree that accepting `color` is a bit too much.

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