method
loaded?
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Class: Rails::GemDependency
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loaded?()
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# File railties/lib/rails/gem_dependency.rb, line 114 def loaded? @loaded ||= begin if vendor_rails? true elsif specification.nil? false else # check if the gem is loaded by inspecting $" # specification.files lists all the files contained in the gem gem_files = specification.files # select only the files contained in require_paths - typically in bin and lib require_paths_regexp = Regexp.new("^(#{specification.require_paths*'|'})/") gem_lib_files = gem_files.select { |f| require_paths_regexp.match(f) } # chop the leading directory off - a typical file might be in # lib/gem_name/file_name.rb, but it will be 'require'd as gem_name/file_name.rb gem_lib_files.map! { |f| f.split('/', 2)[1] } # if any of the files from the above list appear in $", the gem is assumed to # have been loaded !(gem_lib_files & $").empty? end end end