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Versions: 13
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Contents
# encoding: utf-8
module Middleman
module Presentation
# Container for helper methods which can be used in presentation slides
class PresentationHelper
include Comparable
private
attr_reader :helper_container
public
def initialize(helper_container)
fail TypeError, Middleman::Presentation.t('errors.invalid_helper_module') if !helper_container.is_a?(Module) && !helper_container.is_a?(Proc)
@helper_container = helper_container
end
# Return self as module
def to_module
if helper_container.is_a? Proc
mod = Module.new
mod.module_eval(&helper_container)
mod
else
helper_container
end
end
# Return name for container
def name
if helper_container.respond_to?(:name) && !helper_container.name.blank?
helper_container.name
else
'<Anonymous>'
end
end
# Type of helper
def type
if helper_container.is_a? Module
:MODULE
else
:PROC
end
end
# Return all available methods
def available_methods
instance_methods = to_module.instance_methods - Module.methods
klass_methods = (to_module.methods - Module.methods).map { |m| "self.#{m}" }
instance_methods + klass_methods
end
# Parse an array
def self.parse(*modules)
modules.flatten.map { |m| new(m) }
end
# @private
def <=>(other)
name <=> other.name
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems