module ActiveAdmin::Dependencies
Public Class Methods
check_for(gem_name)
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Provides a simple query interface to check for gem dependencies
ActiveAdmin::Dependencies.draper
> #<Gem::Specification:0x3ffb89c49ae0 draper-1.2.1>¶ ↑
ActiveAdmin::Dependencies.draper?
> true¶ ↑
ActiveAdmin::Dependencies.draper? :<=, ‘1.1.0’
> false¶ ↑
ActiveAdmin::Dependencies.draper? :==, ‘1.2.1’
> true¶ ↑
# File lib/active_admin/dependencies.rb, line 18 def self.check_for(gem_name) gem_name = gem_name.to_s singleton_class.send :define_method, gem_name do Gem.loaded_specs[gem_name] end singleton_class.send :define_method, gem_name+'?' do |verb = nil, version = nil| spec = send gem_name if verb && version !!spec && spec.version.send(verb, Gem::Version.create(version)) else !!spec end end end