method
tag_options
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Class: TagBuilder
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tag_options(options, escape = true)
public
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# File actionview/lib/action_view/helpers/tag_helper.rb, line 90 def tag_options(options, escape = true) return if options.blank? output = +"" sep = " " options.each_pair do |key, value| type = TAG_TYPES[key] if type == :data && value.is_a?(Hash) value.each_pair do |k, v| next if v.nil? output << sep output << prefix_tag_option(key, k, v, escape) end elsif type == :aria && value.is_a?(Hash) value.each_pair do |k, v| next if v.nil? case v when Array, Hash tokens = TagHelper.build_tag_values(v) next if tokens.none? v = safe_join(tokens, " ") else v = v.to_s end output << sep output << prefix_tag_option(key, k, v, escape) end elsif type == :boolean if value output << sep output << boolean_tag_option(key) end elsif !value.nil? output << sep output << tag_option(key, value, escape) end end output unless output.empty? end