return empty string if no class set

adding example for custom class definition
thelastagency · Jan 14, 2017 · f165095 · f165095
1 parent 07e9ac2
commit f165095
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/app/helpers/glyph_helper.rb b/app/helpers/glyph_helper.rb
@@ -8,14 +8,16 @@ module GlyphHelper
   # # => <i class="icon-thumbs-up pull-left"></i>
   # glyph(:lock, {tag: :span})
   # # => <span class="icon-lock"></span>
+  # glyph(:lock, {class: 'foo'})
+  # # => <i class="icon-lock foo"></i>
   def glyph(*names)
     options = names.last.kind_of?(Hash) ? names.pop : {}
     names.map! { |name| name.to_s.tr('_', '-') }
     names.map! do |name|
       name =~ /pull-(?:left|right)/ ? name : "glyphicon glyphicon-#{name}"
     end
     options[:tag] = options[:tag] ||= :i
-    names.push options[:class]
+    names.push options[:class] || ''
     content_tag options[:tag], nil, class: names
   end
 end